| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310068000 | Temperature, current-responsive, i.e., protectors | 40 |
| 20080224576 | Energy efficient generator - A shell containing axles, magnets, electronics and diodes that provide for a more efficient generation of electricity. A tubular shell containing a spinning axle, fitted with magnets, magnetic bearings, computer to regulate and control generation functions provides power generation at a higher output to input power ratio than previously seen. | 09-18-2008 |
| 20080290764 | ELECTRODYNAMIC MACHINE CONTROL - An electrodynamic machine has a winding and a switching arrangement effectively dividing the winding into individually controllable portions. During a first operating condition, current flows through the entire winding in a manner controlled by the switching arrangement. In a second condition, the switching arrangement restricts current flow to only a portion of the winding. The second condition effectively reduces the inductive capacity of the winding. | 11-27-2008 |
| 20080309205 | Clean engine - A clean engine for transportation, generators, and other applications. It comprises a series of alternating support wheel assemblies and magnet wheel assemblies that are propelled in a consistent pattern by battery powered electromagnets. The engine comprises at least one support wheel assembly and at least one magnet wheel assembly. The support wheel assemblies and magnet wheel assemblies are aligned in a specific pattern along a main shaft that is supported on each end by sealed bearings mounted in a nonmagnetic housing. | 12-18-2008 |
| 20080315730 | HIGH SPEED GENERATOR ROTOR FIELD COIL LEAD RETENTION SYSTEM - A high speed aircraft generator utilizes a resistor bobbin to constrain field leads from radial displacement during operation of the generator. The resistor bobbin is provided with passages through which the field leads are passed. The passages are parallel to an axis of the generator. The resistor bobbin thus serves two purposes in the generator; its normal function of supporting a resistor coil and a second function of constraining field leads. The field leads have a round cross-sectional configuration. The field leads are attached to flat conductors of a field coil with a unique brazing clip. | 12-25-2008 |
| 20090015112 | ELECTRICAL MACHINE HAVING AN APPARATUS FOR AVOIDING DAMAGING BEARING CURRENTS, AND A CORRESPONDING METHOD - The aim is to avoid damaging lubricating-film discharges occurring via bearings (WL) in electrical machines. For this reason, provision is made for a current to be forced to flow through the bearing (WL) specifically, with the aid of a current source (IQ). The current then flows from one of the two bearing components via the lubricating film to the other bearing component. Alternating currents are particularly suitable since the lubricating film is conductive, so that the capacitance defined by the lubricating film cannot be charged, or can be charged only slightly. | 01-15-2009 |
| 20090026896 | Starter for engines and its starting circuit - The starter has a system of pushing the pinion gear in the direction of the anti-motor side by using the attracting power of the electromagnetic switch via the shift lever. The switch coil of the electromagnetic switch is constituted of one coil that is electrically separated from the motor circuit. The mass of pinion gear is set to 100 g or less, the switch extrusion power stored in the drive spring is set to 70N (Newton) or less, and the operation current of the electromagnetic switch is set to 12 amperes or less. With this starter, since the switch coil and the motor circuit can be electrically separated, the terminal for connection for connecting the conventional attracting coil and conventional “M terminal bolt” can be abolished. Further, by setting the operation current of the electromagnetic switch 10 to 12 amperes or less, it is possible to control the operation current directly by the ECU. | 01-29-2009 |
| 20090033181 | AC generator for vehicles - According to an AC generator for vehicles of the present invention, a terminal mount includes an L-shaped support having a radial extension, in which a metal terminal is contained and which radially extends about a rotary shaft of a rotor, and an axial extension, which extends from an end of the radial extension toward a rear cover along the rotary shaft, and at least one first guide molded integral with the L-shaped support. A radiating fin includes a second guide having a shape corresponding to a shape of the first guide. One of the first guide and the second guide is inserted into the other of the first guide and the second guide. | 02-05-2009 |
| 20090058234 | COIL-LESS MOTOR - A coil-less motor includes an insulator disk, a plurality of magnets, a plurality of electromagnets, a casing, and an electromagnetism circuit. The magnets are uniformly embedded in the insulator disk, and the electromagnets are mounted to an inside surface of the casing. The electromagnetism circuit includes an electromagnetic switch comprising a PNP contact controlling the supply of an external electrical power to a predetermined node and further to the electromagnets to induce magnetic polarity for causing magnetic repulsion, and cutting off the power supply by the electromagnetic switch induces magnetic attraction, so that the insulator disk is rotated by the magnetic attraction and repulsion caused between the electromagnetism generated by the electromagnets and the magnets inside the insulator disk. The kinetic energy of the rotating insulator disk is outputted through the rotary shaft to realize the function of a motor. | 03-05-2009 |
| 20090096330 | ELECTRONICALLY COMMUTATED ELECTRIC MOTOR AND METHOD FOR PRODUCTION THEREOF - An electronically commutated electric motor has an internal stator ( | 04-16-2009 |
| 20090153001 | Driving Circuit Board Assembly for Motor - A driving circuit board assembly for a motor includes a plurality of driving circuit boards having a plurality of faces for mounting a plurality of electronic elements thereon. The driving circuit boards are stacked in an axial direction of a motor. Two of the driving circuit boards adjacent to each other are spaced by a conductive connecting member that is in electrical connection with the two driving circuits. | 06-18-2009 |
| 20090206710 | CONNECTING SUPPORT FOR HOLDING MOTOR ELECTRONICS - The invention relates to a connecting support ( | 08-20-2009 |
| 20090284106 | ROTARY ELECTRIC MACHINE INTEGRATED WITH CONTROL DEVICE - A rotary electric machine integrated with a control device includes stator current switching circuit sections, each of which has a switching element disposed on a heat sink; a field current switching circuit section; a control circuit section which controls the stator current switching circuit sections and the field current switching circuit section; and a case which contains the stator current switching circuit sections and has suction holes each for a cooling air inflow, the heat sinks of three phases for the stator current switching circuit sections being disposed in a circumferential direction of the rotary electric machine. In the rotary electric machine, of the suction holes of the case, an area of the suction hole for the heat sink of the phase disposed in the midst is set to be larger than an area of the suction hole of other phase. | 11-19-2009 |
| 20100019629 | BRUSHLESS MOTOR FOR WASHING MACHINE AND WASHING MACHINE HAVING THE BRUSHLESS MOTOR MOUNTED THEREIN - A brushless motor, to be used in a washing machine, includes a stator, a rotor, a magnetic sensor, and a drive circuit. The magnetic sensor and the drive circuit are accommodated in a case, and sealed with moisture-proof sealing resin, thereby forming a drive circuit unit, which is built in the brushless motor. | 01-28-2010 |
| 20100026146 | Electrical Motor - An electrical motor includes: a rotor; a stator including a stator core that is formed with a plurality of first slot units and a plurality of second slot units which are alternately disposed with the first slot units, each of the first slot units including at least two first slots, each of the second slot units including at least two second slots, the stator core being further formed with a plurality of first poles each disposed between the first slots of a respective one of the first slot units, and a plurality of second poles each disposed between the second slots of a respective one of the second slot units, the depth of each first slot being deeper than that of each second slot; a first winding that is wound on the first poles; and a second winding that is wound on the second poles. | 02-04-2010 |
| 20100033065 | BRUSHLESS MOTOR STATOR - A plurality of winding parts are wound around teeth of an iron core with insulators disposed therebetween, and a printed wiring board is electrically connected to the winding part with a plurality of terminal pins. Each terminal pin is extends along an axial direction of the iron core and is attached to one of the insulators. An end portion of each winding part is wound around one of the terminal pins, and the terminal pin is soldered to the printed wiring board together with the end portion of the winding part. The terminal pins extend through hole portions of the printed wiring board. | 02-11-2010 |
| 20100033066 | Starting device for engines - An electromagnetic switch unit comprises a solenoid device that pushes out a pinion gear to a ring gear side of an engine, and an electromagnetic switch that opens and closes a main point of contact of a motor circuit. The solenoid device and the electromagnetic switch are arranged in series in an axial direction, while a magnetic plate that forms a part of magnetic circuit between a first coil used for the solenoid device and a second coil used for the electromagnetic switch is shared by the solenoid device and the electromagnetic switch. | 02-11-2010 |
| 20100066215 | Control Servo - A control servo includes a supporting frame, a motor, a driving shaft and a control slider. The supporting frame comprises a mount and a slider housing, wherein the motor is supported in the mount of the supporting frame. A driving gear is provided at an output end of the motor. The driving shaft is positioned longitudinally through the slider housing. A driven gear is provided at one end of the driving shaft to mesh with the driving gear. The driving shaft penetrates through the control slider while an upper portion of the control slider extends out of the slider housing. An electric brush is provided underneath the control slider. The control servo eliminates the use a potentiometer as installed in a traditional servo and the reduction gearbox so that the structure is simpler and lighter; thus it plays an important part in the miniaturisation of model aircraft. | 03-18-2010 |
| 20100066216 | QUANTUM MOTOR - To provide a quantum motor capable of reliably carrying out rotation. A quantum motor includes a rotor containing a functional material of which quantum characteristic is externally controllable, an N pole permanent magnet and an S pole permanent magnet applying magnetic field to the rotor, and a light source varying the quantum characteristic of the rotor. The light source varies the quantum characteristic of the rotor, so that rotation force is generated in the rotor and the rotor rotates. | 03-18-2010 |
| 20100102684 | Generator set having two-piece terminal box - A terminal box for a use with a generator set is provided. The terminal box may have a customer connection, a first housing piece configured to be mounted proximate a generator of the generator set, and at least one cable housed within the first housing piece to electrically connect the generator with the customer connection. The terminal box may also have a second housing piece mounted to the first housing piece distal the generator, and at least one control component housed within the second housing piece to regulate a characteristic of electrical power produced by the generator. | 04-29-2010 |
| 20100109492 | STARTER - Provided is a starter that can ensure stable insulation and exhibits excellent leakage resistance. The starter includes: a starting motor realized with a dc motor that has a commutator, positive brushes which are disposed around the commutator to abut on the commutator and connected to an external power supply, negative brushes, which are opposed to the positive brushes, stored in a bracket bearing one end of a rotation shaft; and a starting switch that is mounted on the starting motor and electrically connects or disconnects the external power supply to or from the positive brushes. When an engine is started, the starting motor is driven with the external power supply via the starting switch, and the starting motor is mechanically coupled to the engine. Herein, the starting motor has an insulating member disposed only on the internal surface of the bracket neighboring the positive brushes. | 05-06-2010 |
| 20100270894 | DEVICE FOR CONTROLLING A MOS TRANSISTOR - A device for controlling a transistor, the device comprising an amplifying device ( | 10-28-2010 |
| 20100314974 | Miniature Motor - A miniature motor includes a base having a layout layer with two faces spaced along an axis. The layout layer includes a coil unit. The base further includes an outer layer provided on one of the faces of the layout layer. A shaft seat is provided on the base. A rotor includes a shaft and a permanent magnet. The shaft is coupled to the shaft seat and rotatable about the axis. The permanent magnet is aligned with the coil unit. An air gap is formed between the permanent magnet and the outer layer of the base. The coil unit is integrated into the base such that the coil unit is outside of the air gap. The axial height of the miniature motor is reduced, and the structure of the miniature motor is simplified. | 12-16-2010 |
| 20110043082 | CONVERTER MOTOR - The invention relates to an inverter motor comprising a motor ( | 02-24-2011 |
| 20110050051 | MOUNTING STRUCTURE AND MOTOR - A mounting structure | 03-03-2011 |
| 20110062833 | TRANSVERSE REGULATED FLUX ALTERNATOR - An alternator has a rotor to be associated with a prime mover shaft and driven for rotation. The rotor is provided with permanent magnets. A stator has pole pieces, including a main winding and flux diverters separating the main winding from a control coil. Control is provided for controlling the power passing through the control coil. The alternator is a transverse flux machine. A vehicle power system including the alternator is also disclosed. | 03-17-2011 |
| 20110133609 | ELECTRIC MOTOR AND ELECTRIC DRIVE UNIT FOR MOTOR VEHICLES - The invention relates to an electric motor for motor vehicles, in particular a direct current low-power electric motor, comprising a housing ( | 06-09-2011 |
| 20110169383 | ELECTRIC MOTOR AND BRUSH HOLDER SPRING - An electric motor ( | 07-14-2011 |
| 20110175496 | CONTROL APPARATUS-INTEGRATED DYNAMOELECTRIC MACHINE - A dynamoelectric machine main body, power circuit modules and a field circuit module, and a control apparatus that has a heatsink that is prepared by die casting, and that is mounted integrally onto the dynamoelectric machine main body are included, the heatsink including a plurality of convex heat receiving portions that are disposed so as to project from a front surface of a base plate, and that have heat receiving surfaces, the power circuit modules and the field circuit module including seal main body portions that are constituted by an electrically insulating resin that seal switching elements so as to expose bottom surfaces of element heat radiating portions on reference surfaces that have a surface shape that corresponds to a shape of the heat receiving surfaces, and electrical insulation supporting layers being interposed between the bottom surfaces of the heat receiving surfaces and the element heat radiating portions. | 07-21-2011 |
| 20110175497 | MOTOR AND ELECTRONIC APPARATUS USING THE SAME - The motor comprises a stator, a rotor, and magnets. The stator has a plurality of magnetic poles circumferentially arranged at first spaced intervals. The rotor is rotatably arranged in a position opposing to the stator. The magnets are arranged at second spaced intervals circumferentially on a surface of the rotor. The stator is formed by laminating plate materials, and a plurality of laminated plate materials at least including outermost layers of a laminated body thereof are bent in a direction substantially parallel to the magnet in order to form extended portions. And, when a magnet opposed area of pole tip portion being closest to a magnet including the extended portion is S, and a sectional area of magnetic pole is A, then area ratio (S/A) fulfills the relation of 4.8>(S/A). | 07-21-2011 |
| 20110266928 | MOTOR CONTROL APPARATUS, POWER STEERING APPARATUS AND BRAKE CONTROL APPARATUS - A motor control apparatus including: a motor including a rotating member and a stator; a housing member including a motor housing portion and a power system substrate housing portion, the motor housing portion enclosing the motor and extending in an axial direction of the rotating member, the power system substrate housing portion being integrally formed with the motor housing portion and being located is radially outside of the motor; a control system board supporting a component of a control circuit to control the motor, and including a first board portion facing the motor in the axial direction, and a second board portion extending radially from the first board portion; and a power system substrate supporting a component of a power supply circuit to supply power to the motor, the power system substrate being provided in the power system substrate housing portion. | 11-03-2011 |
| 20110285256 | Motor with rotor-mounted control circuitry - A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter. | 11-24-2011 |
| 20110309725 | WIRING COMPONENT OF ROTATING ELECTRICAL MACHINE FOR VEHICLE - A wiring component of a rotating electrical machine for a vehicle, includes a segment wire provided at the rotating electrical machine formed in an annular shape, made of a conductive wire rod and arranged in a circumferential direction of the rotating electrical machine, wherein the segment wire includes a main body portion having a first straight portion, a second straight portion formed at each end portion of the main body portion by bending in a radial direction of the rotating electrical machine so as to have an obtuse angle between the first straight portion and the second straight portion and an upright portion formed at the second straight portion by bending in a rotational axis direction of the rotating electrical machine, and wherein the upright portions of the segment wires being adjacent to each other are in conduction with each other. | 12-22-2011 |
| 20120013226 | INTERFERENCE SUPPRESSION ARRANGEMENT FOR AN ELECTRIC MACHINE - An anti-interference system ( | 01-19-2012 |
| 20120104907 | COMBINATION OF OUTER MOTOR AND CONTROL BOX THEREFOR - A combination of an outer motor and a control box therefor including an upper main body and a lower controller. The upper main body includes a casing, a front end cover, a rotor assembly, and a stator assembly. The controller includes a control box and a control circuit board, and the control box is sheathed in a tail end of the casing. A center of an upper bottom surface of the control box is arranged with a bearing chamber corresponding to that arranged at the front end cover. The control box forms a cavity downwards accommodating the control circuit board. A cover is mounted at the bottom of the control box. A fairlead arranged at an inner wall of the control box extends through the bottom of the motor casing to connect an empty cavity of the casing. | 05-03-2012 |
| 20120133250 | Synchronous Electric Motor - The invention relates to a body ( | 05-31-2012 |
| 20120200205 | CONDUCTIVE COMPONENT AND METHOD FOR TREATING THE CONDUCTIVE COMPONENT - A conductive component and a method for treating the conductive component to modify conduction through the component are disclosed. The method includes heating the component such that annealing of an exterior layer of the component occurs without annealing of an interior layer of the component, wherein the interior layer is disposed adjacent to and integral with the exterior layer. The method further includes cooling the component such that annealing of the exterior layer ceases without annealing of the interior layer. The component includes an annealed exterior layer having a thickness of less than or equal to approximately 10 millimeters, and a non-annealed interior layer disposed adjacent to and integral with the exterior layer. | 08-09-2012 |
| 20120212111 | ELECTROMAGNETIC DAMPER FOR ROTATING MACHINES - Electromagnetic damper ( | 08-23-2012 |
| 20120223624 | MOTOR AND MOTOR FOR ELECTRIC POWER STEERING - A motor body has feeder terminals. Connecting ends of the corresponding feeder terminals are exposed radially outward from a motor case. The motor body has an end frame having an attachment portion. In this configuration, a control unit is fixed to the attachment portion and connecting terminals of the control unit are arranged to be allowed to contact the corresponding connecting ends. By fastening the fastening screws at positions radially outward of the motor case, the connecting terminals of the control unit are connected to the connecting ends of the motor body. | 09-06-2012 |
| 20120223625 | Drive Module Assembly and Method of Assembling Same - An assembly including a drive motor and a gear plate. The gear plate includes a seat for retaining the drive motor. The assembly also includes a motor cap having at least one pawl for snap-fitting into the seat. The assembly further includes at least one post, which is adapted to receive a gear. | 09-06-2012 |
| 20120262034 | SPINDLE MOTOR - Disclosed herein is spindle motor including a rotating part, including: a rotating shaft and a magnet; a fixing part including a bearing supporting the rotating shaft, an armature opposite to the magnet, a printed circuit board applying power to the armature, and a base plate coupled with the rotating part, wherein the rotating part rotates by electromagnetic force of the magnet and the armature, and an end of the base plate contacting the printed circuit board is provided with a downward inclined part having a round shape so as to be coupled with the printed circuit board. | 10-18-2012 |
| 20120262035 | ADAPTOR, ASSEMBLY OF BATTERY PACK AND ADAPTOR, AND ELECTRIC TOOL WITH THE SAME - When a battery pack having an output voltage of 14.4 V that is connectable to an electric tool in a sliding manner is used as a power supply source for the electric tool that is connectable to a battery pack in an insertion manner and has a rated voltage of 12 V, the electric tool and the battery pack are connected to each other with an adaptor interposed therebetween. The adaptor has an FET that is switched at a predetermined duty of a predetermined frequency. The battery pack and the electric tool are connected or disconnected to or from each other by the switching operation, thereby dropping the output voltage of the battery pack. When the detected voltage is out of a predetermined value range, it is judged that the overcurrent or overdischarge has occurred. Then, the FET is turned off to stop the electric tool. | 10-18-2012 |
| 20120274186 | INSULATING CAP FOR AN END WINDING OF AN ELECTRICAL MACHINE WORKING AT HIGH VOLTAGE AND MACHINE HAVING SUCH AN INSULATING CAP - An insulating cap is provided for an end winding of an electrical machine working at a high voltage, the end winding including a plurality of insulated winding bars protruding from respective winding slots and electrically conductively connected to one another in pairs at their ends so as to form a plurality of electrical connections. The cap includes an opening allowing the insulating cap to be pushed over a region of one of the electrical connections such that the insulating cap insulates an outside of the electrical connection. An interior includes a layer configured to gradually dissipate a high electrical field in the region of the electrical connection to an outside of the insulating cap, the outside of the insulating cap being at earth potential. | 11-01-2012 |
| 20120319543 | MOTOR - A motor includes a cover made of a resin material. The cover includes a first annular portion arranged to extend in an annular shape above coils, a side wall portion arranged to extend downward from an outer circumferential portion of the first annular portion, and a second annular portion arranged to extend radially outward or radially inward from a lower end portion of the side wall portion along an upper surface of a circuit board. The side wall portion is arranged to extend in an axial direction while filling in gaps between teeth on a radially inner side of radially outer end surfaces of the teeth. The coils are covered by the cover to be protected from dust, water droplets, etc. The radially outer end surfaces of the teeth are exposed from the cover, and are thus arranged to be in radial proximity to a rotor magnet. | 12-20-2012 |
| 20130038182 | INVERTER-DRIVEN DYNAMO ELECTRIC MACHINE AND SYSTEM, BEARING, AND END BRACKET FOR SAME - The purpose of the invention is to provide an inverter-driven dynamo electric machine and system for the same having high reliability and high efficiency such that even in the case of inverter pulse voltages having high dv/dt, generation of shaft voltages and generation of shaft currents causing electric corrosion of a bearing with the generation of the shaft voltages are suppressed, thereby keeping the bearing free of electric corrosion. | 02-14-2013 |
| 20130057122 | ADJUSTING DRIVE, IN PARTICULAR WINDOW LIFTER DRIVE - The invention relates to an adjusting drive ( | 03-07-2013 |
| 20130069495 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a bracket made of a magnetic material; a circuit board mounted on an upper portion of the bracket and including various electronic circuits mounted thereon, the electronic circuits applying electric force; a stator assembly mounted on an upper portion of the circuit board and including a plurality of salient poles formed in a radial direction, the salient poles including coils wound therearound; and a rotor case including protrusion parts and groove parts formed at a side thereof, coupled to an outer diameter of the stator assembly and rotating by electromagnetic force generated in the stator assembly when power is applied to the coils. | 03-21-2013 |
| 20130069496 | COMPOSITE PERMANENT MAGNET SYNCHRONOUS MACHINE - A composite permanent magnet synchronous machine includes a permanent magnet synchronous machine module having a rotor unit and a stator unit; a bottom base having an accommodation space; a top cover having a front surface; and a shaft penetrating through the front surface. The rotor unit has P rotor magnets and the stator unit has S slots, wherein a tooth part is defined between every two adjacent slots, and a coil is wound on the tooth part, where P is 38N, S is 36N, and N is a positive integer; or P is 34M, S is 36M, and M is a positive integer. The machine is suitable for wind power generators or any other machine structure. | 03-21-2013 |
| 20130088128 | DEVICE FOR CONTROLLING DRIVE OF MOTOR FOR ELECTRIC POWER STEERING DEVICE - A device designed to reduce temperature rise in its control board. The device includes a switching element; a coil; a smoothing capacitor; an electrical connection member for electrically connecting the switching element with the smoothing capacitor and the coil; a control board that mounts a control element; a control signal line for electrically connecting the switching element with the control board; and a switching element placing portion for placing the switching element thereon. The electrical connection member is arranged between the switching element and the control board; the smoothing capacitor and the coil are arranged, with respect to the electrical connection member, on a side of the switching element; and end surfaces of the smoothing capacitor and the coil are positioned, with respect to the electrical connection member, apart from a plane where the switching element and the switching element placing portion are adjoined together. | 04-11-2013 |
| 20130106257 | METHODS AND APPARATUS FOR MOUNTING A MOTOR CONTROLLER ON A STATOR ASSEMBLY | 05-02-2013 |
| 20130119835 | MOTOR AND ELECTRONIC DEVICE COMPRISING THE SAME - A motor comprising a stator having a plurality of magnetic poles disposed in a circumferential direction along an outer periphery thereof, a rotor disposed rotatably around the outer periphery of the stator, and a magnet disposed in a circumferential direction along an inner periphery of the rotor. The stator is formed by laminating sheet-like plates. A plurality of the sheet-like plates including an outermost layer of this laminated body comprises a flat portion substantially perpendicular to the magnet, and an extended portion bent to a direction substantially parallel to the magnet. A part of the sheet-like plate having the extended portion disposed to the outermost side is formed into a thickness smaller than thicknesses of the other parts. | 05-16-2013 |
| 20130162115 | FLAT-TYPE VIBRATION MOTOR - There is provide a flat-type vibration motor capable of significantly reducing the generation of injection burrs during an injection molding process of an injection molding material, the flat-type vibration motor according to the present invention including: a rotor including a first substrate having a circuit pattern formed on a surface thereof and a holder coupled to the first substrate by injection molding; and a shaft including the rotor rotatably coupled thereto and forming a rotational axis of the rotor, wherein the circuit pattern may include a sealing pattern formed along an outline of the holder. | 06-27-2013 |
| 20130187518 | SOLENOID COIL WITH REVERSE TURN - A solenoid arrangement includes a plunger configured to move in an axial direction and a coil wound radially outward from the plunger. The coil includes a first winding layer and at least one additional winding layer positioned radially outward from the first winding layer. The first winding layer includes a first portion wound in a first winding direction and a second portion wound in a second winding direction that is opposite the first winding direction. The at least one additional winding layer is wound in the second winding direction radially outward from both the first portion and the second portion of the first winding layer.. | 07-25-2013 |
| 20130193814 | MOTOR HAVING HOLDER OF FLEXIBLE PRINTED CIRCUIT BOARD AND ACTUATOR USING SUCH MOTOR - A motor includes a rotor, a stator, an excitation coil, and a holder disposed on an outer side of the stator to hold a flexible printed circuit board supplying drive power, wherein the holder includes a main body mounting the flexible printed circuit board thereon, a bridging portion disposed along one of long sides on a first face a of the main body to form a first opening allowing the flexible printed circuit board to be inserted therethrough, and an engaging portion disposed along each of short sides on a second face of the main body to removably fit with a part of a terminal block of the excitation coil. | 08-01-2013 |
| 20130200759 | MOTOR WITH POWER-GENERATION COIL MODULE - A motor with power-generating coil module includes: a base that has a shaft tube, a supporting surface surrounding the shaft tube, a first coil module mounted on an outer circumferential surface of the shaft tube, and a second coil module disposed above the supporting surface; a rotor that has a carrier extending a lateral wall toward the base, a shaft rotatably coupling with the shaft tube, and a magnetic member mounted on the lateral wall and having an axial extension and a radial extension, with a first magnetic face on the axial extension and facing the first coil module and a second magnetic face on the radial extension and facing the second coil module; a driving circuit electrically connecting with one of the first and second coil modules; and a power-storing unit electrically connecting with the other one of the first and second coil modules. | 08-08-2013 |
| 20130214651 | INTERFACE MODULE AND METHOD FOR COMMUNICATING WITH AN ELECTRIC MACHINE - An electric machine that includes a machine housing, a stator positioned at least partially within the machine housing and comprising a plurality of stator windings, a rotor positioned at least partially within the machine housing and configured to rotate with respect to the stator, and a motor controller configured to selectively provide power to the plurality of stator windings is described. The electric machine also includes an interface module configured for coupling to the motor controller. The interface module includes a processing device, a first communication interface coupled to the processing device and configured for coupling with the motor controller, and a second communication interface coupled to the processing device and configured to receive a control signal. | 08-22-2013 |
| 20130221811 | CONTROL UNIT FOR ELECTRIC MOTOR AND VEHICLE STEERING SYSTEM INCLUDING THE SAME - In a circuit board, a control pattern portion in which control circuit patterns are formed and a drive pattern portion in which drive circuit patterns are formed are formed in different regions. A recessed portion is formed in a base, and the drive pattern portion is fixed to the base such that insulation between a drive circuit and the base is maintained and the control pattern portion is arranged above the recessed portion. In this way, a space in which a circuit element is able to be mounted is formed between the control pattern portion and the recessed portion. | 08-29-2013 |
| 20130234568 | STEPPER MOTOR WITH COMMON SOLENOID CURRENT DRIVER - A stepper motor assembly includes a unipolar winding stepper motor, four drivers, and a transmission control module. The stepper motor has four coil parts. Each driver has a transistor connected to one of the coil parts. Each driver is operable to drive a phase of the stepper motor, where first and second phases are opposites of each other and third and fourth phases are opposites of each other. The transmission control module houses the four transistors. A transmission is also disclosed that includes the disclosed stepper motor assembly. | 09-12-2013 |
| 20130234569 | DIRECT CURRENT MOTOR - A direct-current motor comprises: a stator including a shell, a main magnetic pole, and an exciting coil; a rotator disposed inside the stator; a brush holder disposed at an end of the shell; first and second carbon brushes disposed on the brush holder and contacted with the rotator, respectively; a current-direction controller disposed on the brush holder and connected with the first and second carbon brushes and first and second ends of the exciting coil, respectively, to control a direction of a current supplied to the exciting coil; and a cover disposed at the end of the shell to enclose the brush holder. The motor is compact in structure, small in volume, and occupies a small mounting space, and the work load of sealing and insulating is reduced, thus reducing the cost and improving the manufacture efficiency. | 09-12-2013 |
| 20130257231 | VEHICULAR AC GENERATOR - Adverse effects of a large assembling step comparable to tolerance of stacking members among constituent parts are prevented. At least two components and, among a voltage regulator, a brush holder and a rectifier, that are fastened with each other are provided with both component-fixing portions and fastening-together portions and for fastening the components together with each other, and an assembling step absorbing portion is provided at least at the fastening-together portion that is not close to the component-fixing portions of the respective components. | 10-03-2013 |
| 20130257232 | MOTOR DRIVE APPARATUS - A motor drive apparatus includes a rear end frame between a motor case and a control unit case. A shaft of a motor unit is supported rotatably by a bearing fixed to the rear end frame. A first socket-spigot fitting surface formed on the rear end frame is fitted with a second socket-spigot fitting surface formed on a heat sink. A rotation angle sensor mounted on a control unit substrate attached to the heat sink is provided on the rotation axis of the shaft. The rotation angle sensor can thus accurately detect the magnetic field of a magnet provided at the end of the shaft. | 10-03-2013 |
| 20130270974 | High-Frequency Signal Injection Based High Voltage Interlock - Systems, methods and apparatus are presented to determine high voltage cable connectivity between an inverter module and a remote electric machine. A high frequency (HF) interlock module can be configured to inject a high frequency excitation signal that can be superimposed on inverter drive signals. High frequency current components can be determined and used to determine connectivity status. The sum and difference of positive and negative sequence component values can be compared to predetermined limitations to detect one or more open phases. An example method can include enabling a HF detection strategy under predetermined conditions. In response to an open phase detection a fault flag can be set. | 10-17-2013 |
| 20130285514 | GROUNDING ROPE GUIDE FOR A DYNAMO-ELECTRIC MACHINE - A shaft grounding apparatus including a grounding rope in electrical contact with ground, and an adjustable rope guide configured to guide the grounding rope on an electrically conductive surface of a rotating shaft of an electric machine. The adjustable rope guide includes a plurality of articulating segments configured to provide the adjustable rope guide with a variable radius of curvature to closely follow a radius of curvature of the rotating shaft. | 10-31-2013 |
| 20130307380 | Electric Motor - An electric motor has a stator, a rotor, two motor terminals and a filter circuit for suppressing electromagnetic interference. The filter circuit includes a flexible circuit assembly having a FPCB. Multiple filter elements are mounted to the FPCB. There are less connection points between the filter circuit and the motor terminals, which leads to higher reliability of the motor. | 11-21-2013 |
| 20130328458 | ROTARY SWITCHES - An improved rotary switch (e.g. a double pole double break switch) includes first and second poles ( | 12-12-2013 |
| 20130328459 | WET-RUNNING ELECTRIC MOTOR AND PUMP UNIT - A wet electric motor for a pump includes a stator casing, a stator arranged in the stator casing, and a can, wherein first resilient pressure elements are arranged inside the stator casing in such a way as to exert a compressive force in the direction of the can on at least parts of the stator, as well as to a pumping set with such a wet electric motor. | 12-12-2013 |
| 20130328460 | ELECTRIC POWER TOOL - An electric power tool of an embodiment of the present invention uses a motor provided with a yoke as a drive source, and is configured such that an end portion of an electric component mounted on a drive circuit of the motor is electrically connected to the yoke of the motor through a conductive elastic body. | 12-12-2013 |
| 20140015385 | HF GENERATOR - An HF generator has first and second solid-state switches. Each of the solid-state switches has first and second output connectors and is designed to switch a high-frequency electrical current between the first and second output connectors. Furthermore, the HF generator has a coaxial cable with first and second conductors. The first conductor successively has a first section and a second section in the longitudinal direction of the coaxial cable which are separated from one another by a first break point. The first output connector of the first solid-state switch is conductively connected to the second conductor, and the second output connector of the first solid-state switch is conductively connected to the first section. In addition, the first output connector of the second solid-state switch is conductively connected to the first section, and the second output connector of the second solid-state switch is conductively connected to the second section. | 01-16-2014 |
| 20140042878 | MOTOR DRIVING SYSTEM - A motor driving system that changes a rotation speed of a motor pursuant to a speed command includes a main device including a drive circuit configured to drive the motor, an input device configured to input the speed command to the drive circuit, and a signal insulating unit configured to insulate the input device from the main device and to transmit the speed command from the input device to the drive circuit of the main device. | 02-13-2014 |
| 20140049139 | METHOD FOR WINDING CONTROL OF POLE CHANGEABLE STATOR AND ELECTRO-MECHANICAL CONVERSION APPARATUS USING THE SAME - A winding method for pole changeable stator is provided by determining a plurality of classification conditions according to plural types of pole, a plural phases, and current characteristic of the winding coupled to each slot of the stator before and after the pole change, coupling the winding of each slot meeting each classification condition thereby obtaining a plurality of winding groups respectively corresponding to the plurality of classification conditions, and, finally, coupling the plurality of winding groups by a plurality of switching elements so as to form a pole changeable stator. The pole changeable stator can be utilized to be an electro-mechanical conversion apparatus such as power generator or motor | 02-20-2014 |
| 20140062268 | SUPPORTING AND HEAT DISSIPATING STRUCTURE FOR MOTOR HAVING INTEGRATED DRIVER - The present disclosure provides a supporting and heat dissipating structure. A driver is arranged on an inner surface of a heat sink. The heat sink has protrusions for heat dissipation. An axle hole and a fixing ring are formed at the center of the heat sink. An elastic ring is arranged around the fixing ring for connecting with a supporting frame. A tubular barrel is used for connecting the heat sink to a motor. A structure for easily and firmly supporting the motor and the driver can be obtained. The structure can also absorb vibration while the motor rotating. | 03-06-2014 |
| 20140062269 | DC ELECTRICAL MACHINES - A dc electrical machine with a large number of phases. The machine includes a rotor and a stator assembly. The rotor has Np rotating field poles. The stator has Ns winding slots, where Ns/Np is a non-integer ratio. A stator winding includes a plurality of coils received in the winding slots and defines a plurality of stator phases. A power electronic switching assembly includes first and second dc load terminals that can be connected to external equipment and a plurality of switching modules. Each switching module includes power electronic devices and is connected to a respective stator coil. A first proportion of the switching modules are connected together in series between the first and second dc load terminals and a second proportion of the switching modules are connected together in series between the first and second dc load terminals to define two parallel dc circuits. | 03-06-2014 |
| 20140091683 | ELECTRIC DRIVE UNIT - An electric drive unit ( | 04-03-2014 |
| 20140132126 | Current Diverter Ring - The current diverter rings and bearing isolators serve to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One embodiment of the current diverter is substantially arc shaped with a plurality of radial channels extending there through. A conductive assembly may be positioned in each radial channel such that a contact portion of the conductive assembly is positioned adjacent a shaft passing through the center of the current diverter ring. The arc-shaped body may be particularly useful during installation over certain existing shafts. | 05-15-2014 |
| 20140152155 | HIGH TEMPERATURE DOWNHOLE MOTORS WITH ADVANCED POLYIMIDE INSULATION MATERIALS - An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4′-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film. | 06-05-2014 |
| 20140175954 | BASE STRUCTURE FOR COOLING FAN - A base structure for cooling fan includes a seat, a circuit board and a motor assembly. The seat has an inner side served as a supporting surface. The circuit board has a first side attached to a top of the supporting surface and an opposite second side having a plurality of electronic elements provided thereon. The motor assembly includes a plurality of stacked silicon steel plates located on the circuit board and above the electronic elements. With the first side of the circuit board being attached to the supporting surface of the seat and the electronic elements on the second side of the circuit board being located in spaces between the motor assembly and the circuit board, more silicon steel plates can be stacked in the motor assembly to enable upgraded motor working efficiency and reduced electric current needed by the cooling fan to operate. | 06-26-2014 |
| 20140175955 | COMPACT MOTOR - A compact motor which avoids peeling and cracking of the circuit board wiring pattern upon bending the printed circuit board. A projecting part ( | 06-26-2014 |
| 20140175956 | MOTOR CONTROLLER AND BRUSHLESS DC MOTOR COMPRISING THE SAME - A motor controller, including: a control box including an inner wall; a circuit board; a dissipater; an IGBT module; and an insulating piece. The circuit board is disposed inside the controller box. The dissipater is disposed on the inner wall of the control box. The IGBT module is disposed on the dissipater and is in electric connection with the circuit board. The insulating piece is disposed between the dissipater and the controller and prevents the dissipater from contacting with the control box. | 06-26-2014 |
| 20140175957 | ROTOR ASSEMBLY AND BRUSHLESS DC MOTOR COMPRISING THE SAME - A rotor assembly, including: a permanent magnet and a rotor core. The rotor core includes an annular ring and a plurality of magnetic induction blocks. The magnetic induction blocks protrude outward from the outer side of the annular ring. A radial recess is formed between every two adjacent magnetic induction blocks for mounting the permanent magnet. An end plate and a base plate are disposed on an end surface and a bottom surface of the rotor core by injection molding, respectively. A first connecting column passes through a through hole of the magnetic induction block and connects the end plate and the base plate. An end surface of the end plate protrudes upward to form the magnetic loop bracket. A magnetic loop is disposed on a magnetic loop bracket. | 06-26-2014 |
| 20140184034 | BRUSHLESS DC MOTOR - A brushless DC motor, including: a rotating shaft; a rotor assembly; a stator assembly; a casing; a rear cover; and a control box. The rotating shaft is connected together with the rotor assembly. The stator assembly is sleeved outside the rotor assembly. The casing is connected together with the stator assembly. The rear cover includes a rear bearing seat in the middle for receiving a rear bearing. A plurality of support legs protrudes outwards from a wall surface on the outer side of the rear bearing seat, and is supported and installed on a flanged edge folded outwards from an end surface of the casing. One end of the rotating shaft is supported on the rear bearing. The control box is installed on the casing. | 07-03-2014 |
| 20140191630 | Current Diverter Ring - The current diverter rings and bearing isolators serve to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One embodiment of the current diverter ring includes an inner body and an outer body configured to clamp at least one conductive segment between them. In the preferred embodiments of the current diverter ring, the conductive segments are positioned in radial channels. The outer body may be affixed to a shaft, a motor housing, a bearing isolator, or other structure. The bearing isolator may incorporate a retention chamber for holding conductive segments within the stator of the bearing isolator, or the bearing isolator may be fashioned with a receptor groove into which a current diverter ring may be mounted. | 07-10-2014 |
| 20140210321 | SYSTEM, APPARATUS, AND METHOD FOR CONTROLLING A MOTOR - Mechanisms are provided to control the operation of a motor. In particular, a variable frequency drive motor controller is described which resides within a motor housing. Additionally, the speed at which the motor operates is based on a signal received from a Hall Effect switch or from a communication device in communication with a remote interface. The Hall Effect switch is also described; in particular, the Hall Effect switch features a magnet rotatably connected with one side of a motor housing. A Hall Effect sensor, located on the opposite side of the motor housing, detects the position of the magnet and outputs a signal to the motor controller, located within the motor housing, indicating the detected magnet position. Additional operating features are described relating to the safe operation and control of the motor in potentially hazardous environments. | 07-31-2014 |
| 20140232246 | FAN MOTOR - A fan motor includes: a rotor configured to be rotated so as to generate air movement; a stator configured to rotatably support the rotor via a fluid dynamic pressure bearing; and a driving mechanism configured to rotationally drive the rotor with respect to the stator. The rotor comprises a hub fixed to an impeller. The stator includes a bottom housing which supports a sleeve. The fan motor is configured to have a thickness of 3.2 mm or less along the rotational axis R of the rotor. | 08-21-2014 |
| 20140265746 | GROUNDING DEVICE FOR ELECTRIC MACHINE AND METHODS OF ASSEMBLING THE SAME - In one aspect, a grounding device for an electric machine having a rotatable shaft is provided. The grounding device includes a wire core having a first end and a second end, and a plurality of conductive fibers coupled to the wire core and extending therefrom. The wire core is configured to couple to the electric machine with at least a portion of the plurality of conductive fibers contacting the shaft such that an electrostatic charge on the shaft is directed through the grounding device to ground. | 09-18-2014 |
| 20140265747 | EPGS ARCHITECTURE WITH MULTI-CHANNEL SYNCHRONOUS GENERATOR AND COMMON FIELD REGULATED EXCITER - A generator system includes a generator having a stationary portion and a rotating portion. The generator includes an exciter field winding disposed on the stationary portion. A first channel includes a first main field winding and a first main field power converter disposed on a rotating portion. The first main field power converter selectively delivers voltage from the exciter winding to the first main field winding. A second channel includes a second main field winding and a second main field power converter disposed on the rotating portion. The second main field power converter selectively delivers voltage from the exciter winding to the second main field winding. A generator control unit is connected to the first channel and the second channel. The generator control unit monitors an output voltage at each of the first channel and the second channel and generates the first and second control signals based on the output voltage. | 09-18-2014 |
| 20140265748 | ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME - A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. A control board is coupled to the inner surface, wherein the printed circuit board includes a first side, a second side and an edge located between the first side and the second side. The housing further includes a first circuit coupled to the first side which includes a plurality of first electrical components. Each first electrical component includes a tab extending beyond the edge. A second circuit is coupled to the second side and a fastener assembly is coupled to the tab and the inner surface. | 09-18-2014 |
| 20140265749 | ELECTRONIC CONTROL DEVICE - An electronic control device including two housings coupled to each other, a first circuit board disposed in one of the two housings, a first terminal disposed on a side of the other of the two housings, and a second terminal disposed on the first circuit board in an opposed relation to the first terminal, wherein the first terminal and the second terminal are brought into direct connection with each other at a time at which the two housings are coupled to each other. | 09-18-2014 |
| 20140265750 | SYSTEM AND METHOD FOR GENERATING ELECTRICITY FROM GRAVITATIONAL FORCES - A motor is provided. The motor includes a winding support element defining an interior, a rotor having a shaft mounted inside the interior, the shaft defining a central axis, a superconducting wire wound around the winding support element in a winding pattern, where the winding pattern includes a plurality of turns around the winding support element. The winding pattern includes for a first portion of each turn proximate to the rotor, the wiring pattern curves with respect to a toroidal angle about the central axis, and for a second portion of each turn distant from the rotor, the wiring pattern curves with respect to a toroidal angle about the central axis. Cooper pairs travelling through the wire accelerate with respect to the toroidal angle in the first portion, and decelerate with respect to the toroidal angle in the second portion. | 09-18-2014 |
| 20140265751 | ELECTRIC MOTOR - An electric motor comprises a stator assembly having at least two armature coils, and a rotor assembly arranged radially inward of the stator assembly. The rotor assembly has a rotor core, a magnetic ring, and a plurality of permanent magnets. The rotor core is substantially cylindrical in shape and constructed of a diamagnetic material. The magnetic ring is positioned about the rotor core, and the permanent magnets are positioned in the magnetic ring in such a way that magnetic fields created by the armature coils provide an attractive force which selectively attracts the permanent magnets toward the armature coils so as to impart rotational mechanical energy to the rotor assembly. | 09-18-2014 |
| 20140300255 | MOTOR PROVIDED WITH A PRINTED CIRCUIT BOARD - A motor includes a stationary unit, a rotary unit, and a bearing unit. The stationary unit includes a stator, a PCB and a base member. The stator includes a stator core and coils. The stator is arranged radially outward of the bearing unit. The PCB includes through-hole portions, land portions and PCB fixing portions. The base member includes a stator holding portion arranged to hold the stator and a bearing holding portion arranged to hold the bearing unit. The rotary unit includes a shaft positioned radially inward of the bearing unit and a magnet opposed to a circumferential surface of the stator core. The through-hole portions are arranged along a circumferential direction of the PCB. At least a portion of the PCB axially overlaps with the bearing unit. The PCB fixing portions are arranged radially outward of the through-hole portions. | 10-09-2014 |
| 20140327346 | MULTI-PHASE ELECTRIC CIRCUIT - A multi-phase electric circuit including an electric machine and an inverter, wherein machine encompasses a rotor connected to the inverter via at least two brushes for each phase, wherein each of the brushes of each phase is connected to the inverter via a separate brush line. | 11-06-2014 |
| 20140339967 | Magnetic power generator - A magnetic power generator ( | 11-20-2014 |
| 20150015127 | ELECTROMECHANICAL ACTUATOR - An electromechanical actuator comprising an actuator member and an electric motor ( | 01-15-2015 |
| 20150035415 | Automatic Permanent Magnet Electrical Machinery - The invention is an automatic permanent magnet electrical machinery that does not need any other energy and can be used as an electromotor or a generator. It consists of a shell that installed with stator cores and a rotor as well as a control circuit. The shell consists of a top lid, a bottom lid and a shell body. The stator cores are made by soft magnetic material with the shape of c. The 3 coils are circled in the middle, top and bottom part of each stator core separately. The rotor is consists of a principal axis and many vanes. A vane of the rotor is consists of a rotor core and a magnet embedded in the rotor core and fixed with no magnetism plate. The principal axis and the rotor cores are integral whole. Rotor core is made by soft magnetism material. The circuit is consists of switches, coils, electrical appliance, a battery and a rectifying switching mode power supply. | 02-05-2015 |
| 20150042215 | MOTOR WITH SPEED REDUCER - A motor with a speed reducer, comprising a motor main body including a rotary shaft; a speed reducer portion including a worm and a worm wheel, a housing including a housing main body and a housing cover, the housing main body accommodating the speed reducer portion and being open to one side in an axial direction of the worm wheel; a circuit board accommodated in the housing, a power component disposed at one side of the circuit board; and a heat-receiving portion disposed at the housing main body, the heat-receiving portion being adjacent to the worm and disposed such that a part of the heat-receiving portion overlaps with the worm as viewed from the side thereof where the opening of the housing main body is disposed, and the heat-receiving portion touching against a face at the other side of the circuit board and receiving heat generated by the power component. | 02-12-2015 |
| 20150054390 | ELECTRICALLY DRIVEN MOTORCYCLE - The invention relates to an electrically driven motorcycle ( | 02-26-2015 |
| 20150061473 | DAUGHTER CIRCUIT BOARD OF ELECTRONICALLY COMMUTATED MOTOR HAVING INTERFACE SIGNAL CONVERSION FUNCTION - A daughter circuit board of an electronically commutated motor. The daughter circuit board has the function of interface signal conversion and can be plugged into a mother circuit board of a motor controller to match with an interface signal of a user end control system. The daughter circuit board includes an interface unit circuit. The interface unit circuit includes an RS485 interface circuit. The interface unit circuit is integrated on the daughter circuit board. | 03-05-2015 |
| 20150327356 | PRINTED CIRCUIT BOARD AND ELECTRIC FILTER - A printed circuit board and an electric filter. The printed circuit board is arranged to accommodate an electric circuitry on one side, and an electrically conductive material on the other side which forms a common ground point with the electric circuitry and a device contacting the conductive material. The electric filter for filtering electric signals of a DC motor includes a freewheeling diode coupled in parallel to the motor, a capacitor coupled in parallel to the motor, where a ground terminal of the capacitor is coupled to a chassis of the motor, a low pass filter including a ferrite bead and another capacitor is connected to each motor terminal (M+, M−), and a resistor-capacitor filter is coupled in parallel to the motor. | 11-12-2015 |
| 20150340931 | MAGNETIC ALIGNMENT SYSTEM AND ALIGNMENT METHOD THEREFOR - A magnetic alignment system is disclosed, including a magnet array ( | 11-26-2015 |
| 20150345260 | APPARATUS FOR POWER GENERATION - A power generator for use in a bore, the power generator comprising at least one drivable member; and at least one generation apparatus; the generation apparatus comprising at least one generator magnet for producing a magnetic field; and at least one electrically conductive member located or locatable within the magnetic field; wherein the drivable member is drivable by fluid flowing in the bore so as to produce relative motion of the at least one magnet and the at least one electrically conductive member in order to induce a current in the at least one electrically conductive member. | 12-03-2015 |
| 20150375824 | Drive Apparatus - A drive apparatus for an electric bike includes a hollow housing body, an internal ring gear fixed to the housing body, and a main shaft. At least two motor units are mounted in the housing body. Each motor unit includes a support bracket and a number of motors mounted on the support bracket. Each motor drives the internal gear through a transmission mechanism to rotate the housing body about the main shaft. The motors share one controller. Peaks of the motor cogging torque can be staggered. | 12-31-2015 |
| 20150380887 | GROUND STRUCTURE FOR MOTOR - A ground structure for a motor including: a housing having a flange protruded upwardly from the outer periphery of an opening formed on the top surface thereof; a bearing cover having a coupling groove formed along the outer periphery of the underside thereof to inserted the flange of the housing thereinto; a stator core fixedly disposed to the inside of the housing and having a plurality of teeth on which a coil is wound formed annularly along the inner periphery thereof; and a connector having one end coupled to the flange of the housing in such a manner as to be brought into contact with the coupling groove of the bearing cover when the bearing cover is coupled to the top end periphery of the housing and the other end passed through the housing in such a manner as to be brought into contact with the stator core. | 12-31-2015 |
| 20150381003 | Axial gap electrical machine - An axial gap electrical machine employs unique architecture to (1) overcome critical limits in the air gap at high speeds, while maintaining high torque performance at low speeds, while synergistically providing a geometry that withstands meets critical force concentration within these machines, (2) provides arrangements for cooling said machines using either a Pelletier effect or air fins, (3) “windings” that are produced as ribbon or stampings or laminates, that may be in some cases be arranged to optimize conductor and magnetic core density within the machine. Arrangements are also proposed for mounting the machines as wheels of a vehicle, to provide ease of removing and installing said motor. | 12-31-2015 |
| 20150381009 | LAWN MOWER MOTOR AND DRIVE - A combined d.c. brushless motor and drive control assembly for a rotary mower includes a hollow motor housing, a cover removably attached to an open rear end of the housing, and an end shield mounted to an internal shelf of the housing adjacent its rear end. The end shield and a front wall of the housing define rotary bearing seats for a motor drive shaft. An electronic circuit board including motor drive electronics and feedback sensors is mounted to the housing or to the cover, and is positioned at an axial location between the internal shelf of the housing and the rear wall of the cover. The housing is configured for mounting on a shroud of the rotary mower such that at least the removable cover is above the shroud and easily accessible, whereby repair or replacement of the electronic circuit board is facilitated. | 12-31-2015 |
| 20150381018 | BRUSHLESS DC MOTOR WITH REDUCED EMISSIONS - A brushless DC motor includes a stator formed of a lamstack including a plurality of stacked laminations. The stator includes a plurality of radially extending core members and a circumferential wall. An intersection of each of the plurality of radially extending core members with the circumferential wall defines a flux null location, and a portion of the lamstack defines a first opening located at one of the flux null locations. The brushless DC motor includes a printed circuit board including a second opening and a grounding member including a first section received in the first opening of the stator and a second section received in the second opening of the printed circuit board to create a grounding path. | 12-31-2015 |
| 20160028289 | ELECTRIC MOTOR AND ELECTRICAL DEVICE EQUIPPED WITH ELECTRIC MOTOR - An electric motor ( | 01-28-2016 |
| 20160037659 | ELECTRONIC DEVICE - An ECU includes a substrate and a chassis. Electronic components are mounted on a first primary surface of the substrate. The chassis includes a protruding portion that protrudes toward a position different from where the electronic components are. A height of the protruding portion is greater than a height of the electronic components, and shorter than a gap between the substrate and the heat sink. When warping occurs in the substrate and the first primary surface approaches an opposing surface of the heat sink, the protruding portion contacts the first primary surface. Accordingly, the electronic components are prevented from contacting the heat sink. Further, other electronic components may be mounted on an entire area of a second primary surface of the substrate. | 02-04-2016 |
| 20160037674 | ELECTRONIC DEVICE, DRIVE APPARATUS HAVING THE ELECTRONIC DEVICE AND MANUFACTURING METHOD OF THE ELECTRONIC DEVICE - An electronic device includes a circuit board, a heat sink and thermal gel. The circuit board has an electronic component, which is mounted to a first principal surface of the circuit board. The heat sink has an opposing surface, which is opposed to the first principal surface of the circuit board. The thermal gel is filled between the circuit board and the heat sink to cover the electronic component. The circuit board has through-holes. At least a portion of each through-hole is formed in a bonding range, to which the thermal gel is bonded. The through-holes enable visual recognition of the thermal gel through the through-holes. | 02-04-2016 |
| 20160049839 | DEVICE AND PROCESS FOR THE GENERATION OF ELECTRICAL ENERGY - A muonic electromagnetic generator for generating electrical energy is provided and includes a generator that is connectable to at least one source of electric energy with a lower power than the power generated by the generator. The generator includes at least one outer electric coil, at least one inner electric coil, situated substantially inside the outer electric coil, and an oscillator. The oscillator is connected between the source of electrical energy and the outer electric coil. When the outer electric coil is connected to a source of electric energy via an oscillator that was previously tuned to emit a frequency corresponding to a certain fraction specific to the Compton frequency of a muon, the muonic energy is absorbed by an inner electric coil, and this energy can be used to feed any external load. This muonic energy can be significantly greater than the power of the source of energy | 02-18-2016 |
| 20160065019 | Subterranean Magnetic Turbine System - A permanent magnet electric apparatus has a rotor structure where a rotor has an outer rim, a plurality of rotor magnets, wherein each of the rotor magnets are recessed within a housing, where each housing is attached to the outer rim of the rotor structure and evenly spaced along the outer rim. The apparatus also has an output shaft, a plurality of gears connected between the rotor and the output shaft and configured to direct movement from the rotor to rotation of the output shaft, a stator structure adjacent to the rotor with at least one stator magnet configured to repel the plurality of rotor magnets where the magnetic force of the rotor magnets in a repelling position are configured to oppose the magnetic force of the at least one stator magnet as the rotor turns. A brake mechanism is configured to stop the rotation of the rotor structure. | 03-03-2016 |
| 20160102715 | ACTUATING DEVICE FOR A PUMP UNIT - An actuation device for a pump assembly such as for application in a can of a pump assembly for force impingement of a shaft situated in the can. The device includes a carrier for connection to the can and a passage extending along a longitudinal axis. An actuation pin is led in the passage along a longitudinal axis and has a first axial end including a tool receiver and a an opposite second axial end including an engagement region for force transmission onto a shaft. A spring element is arranged between the actuation pin and the carrier and impinges the actuation pin with a spring force in a first axial end direction. A seal is arranged between the carrier and the actuation pin, in a region between the spring element and the second axial end. A pump assembly with such an actuation device is also provided. | 04-14-2016 |
| 20160105063 | WINDING SYSTEM - A winding system for a stator and/or a rotor of an electric machine is disclosed. The winding system comprises several conductor sections, two annular conductors (+, −) on a first side of the winding system, to which the conductor sections are coupled by means of half bridges, and at least one half bridge on an opposite side of the winding system, to which at least one conductor section is connected. | 04-14-2016 |
| 20160105070 | MOUNTING BRACKET FOR MOTOR CAPACITOR AND MOTOR ASSEMBLY EQUIPPED WITH MOTOR CAPACITOR MOUNTED TO A MOTOR BODY USING SUCH MOUNTING BRACKET - A motor assembly comprising a motor body having a generally cylindrical outer surface on which is mounted a capacitor via a mounting bracket is provided. The mounting bracket has a generally arcuate member engaged with the generally cylindrical outer surface of the motor body and allows the capacitor to be positioned at different angles along a circumference of the motor body by rotating the mounting bracket about the generally cylindrical outer surface of the motor body. | 04-14-2016 |
| 20160105081 | RADIALLY ADAPTABLE PHASE LEAD CONNECTION - An electronic package connectable to an electric machine. The electronic package includes a support structure with a first axial end engaged with the electric machine. The support structure circumscribes the central axis and defines radially inner and outer wall surfaces. Power modules are disposed on and circumferentially distributed about the radially outer wall surface and include a power electronics device. Each module includes a phase terminal coupled with the power electronics device and disposed radially outwardly of the radially outer wall surface. The support structure defines a plurality of voids extending between the radially inner and outer wall surfaces. Each of the power modules are positioned proximate a separate one of the voids. Each void has a phase lead extending therethrough. Each phase lead is connected to a phase terminal and conductively couples it with a stator winding. An electric machine having an electronic package is also disclosed. | 04-14-2016 |
| 20160111941 | EARTHING DEVICE - The invention relates to an earthing device for preventing rotor-induced bearing currents in an electric motor, comprising an electrically conductive annular element having retaining means arranged thereon, to which means fibre bundles are fastened, via which bundles electrical discharge of a static charge to at least one discharge element can be carried out, wherein the fibre bundles are fastened so as to be oriented in an oblique angular position with respect to a radial plane which is perpendicular to an axial centre line of the annular element and/or with respect to an axial plane and have a length protruding from the retaining means of the annular element which is greater than that required to bridge a radial spacing between the annular element and the discharge element. | 04-21-2016 |
| 20160126795 | Motor and Winding Assembly Thereof - The present invention provides a motor including a base, a winding assembly and a rotor. The base includes a pivoting portion. The winding assembly includes a support. The support includes at least one coil supporting portion and a circuit supporting portion connected to the at least one coil supporting portion. A coil is arranged on each of the at least one coil supporting portion. A circuit is arranged on the circuit supporting portion and electrically connected to the coil or coils. A folding portion is arranged between the at least one coil supporting portion and the circuit supporting portion. The circuit supporting portion and the at least one coil supporting portion are folded and stacked together via the folding portion. The rotor is rotatably coupled to the pivoting portion of the base. Due to the arrangement of the folding portion, a radial width of the motor is efficiently reduced. | 05-05-2016 |
| 20160126797 | MOTOR - A motor, which can reduce a shaft current by a cheap configuration and has a high reliability, is provided. | 05-05-2016 |
| 20160156242 | CONTINUOUS STATOR WINDING WOUND ON BOBBINS | 06-02-2016 |
| 20160197543 | Electromagnetic segmented-capacitor propulsion system | 07-07-2016 |
| 20160204681 | MOTOR | 07-14-2016 |
| 20160254732 | MOTOR UNIT | 09-01-2016 |
| 20160380503 | ELECTROMAGNETIC STRUCTURE OF AN ELECTRIC MACHINE AND ELECTRIC MACHINE - An electromagnetic structure of an electric machine, in particular an adjustment drive of a motor vehicle, has a plurality of coils which are arranged to form a circular structure. Each of the coils has a coil winding and a connection. The coils are respectively electrically connected in pairs by way of a conductor bridge which is in contact with the respective connections. Each conductor bridge is arranged at an axial distance from the associated coils, each conductor bridge being arranged at least partially in a receiving element of a guiding plate. | 12-29-2016 |
| 20160380512 | PEDAL GENERATOR ASSEMBLY - A generator assembly for converting human generated mechanical energy into electrical power for charging at least one rechargeable device is provided herein. The generator assembly generally includes a housing, a primary gear supported within the housing, an input mechanism mounted to the primary gear for receiving the human generated mechanical energy, an alternator for converting the mechanical energy converting the mechanical energy into electrical power, and a charging mechanism mounted to the housing with the charging mechanism directly connected to the alternator, where the charging mechanism has at least one rechargeable interface for transferring the electrical power to the rechargeable device. A method of charging at least one rechargeable device with a generator assembly and a method of authorizing use of a generator assembly are also provided. | 12-29-2016 |
| 20170237309 | STATOR OF ELECTRIC MOTOR | 08-17-2017 |
| 20180026492 | ELECTRIC DRIVING APPARATUS | 01-25-2018 |
| 20190150269 | SEMI-FLEXIBLE RIDGED PRINTED CIRCUIT BOARD ASSEMBLY | 05-16-2019 |
| 20220140674 | PORTABLE ELECTROMAGNETIC INDUCTION ELECTRICITY GENERATOR FOR MOBILE CHARGING - An electromagnetic induction generator for use in applications where other energy sources are unavailable or undesired includes: a rotor having at least a pair of through holes in its body, the rotor body supporting two or more magnets; a stator including a plurality of conductive windings and a through hole; and a length of filament inserted through the through holes of the rotor and stator, the filament supporting the rotor during use. | 05-05-2022 |
| 20220140707 | MOTOR - A motor includes a rotor, a stator, a first substrate, a second substrate, and an electronic component arranged at the second substrate. The stator includes a stator core, an insulator, and a coil wound around the stator core via the insulator. The insulator includes a coupling part connected to an external device. The first substrate is fixed to the insulator. The second substrate is fixed to the first substrate. The first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor. | 05-05-2022 |
| 20080211356 | MOTOR - A motor includes a housing having a substantially cylindrical shape accommodating therein a stator portion and a rotor portion. The housing includes a housing body having an opening at an upper side thereof, and a lid portion arranged between an armature and a sensor so as to close the opening of the housing body. Since the lid portion is made of a magnetic material and is arranged between the armature and the sensor, a magnetic effect on the sensor caused by a magnetic force generated at the armature is minimized. By virtue of such configuration in which the lid portion of the housing functions as a magnetic shield, the motor can be smaller in the axial direction compared with a configuration in which an extra layer of magnetic shield is arranged. | 09-04-2008 |
| 20080211357 | MOTOR - A motor includes a sensor which magnetically detects an angular position centered about a central axis of a rotor core with respect to an armature. The sensor preferably includes a yoke which has a substantially annular shape, is made of a magnetic material, is arranged substantially perpendicularly to the central axis and is affixed to a shaft, a sensor magnet affixed at the yoke, a magnet cover which covers a surface of the sensor magnet other than a portion in contact with the yoke, a first Hall element and a second Hall element both of which are arranged facing in an axial direction a surface of the sensor magnet opposite from a surface thereof at which the yoke is arranged. Since the sensor magnet is covered by the yoke and the magnet cover, even when the sensor magnet is damaged, the damaged sensor magnet is prevented from damaging other components of the motor. By virtue of such configuration, the reliability of the motor is improved. | 09-04-2008 |
| 20080224575 | Servomotor neutral position setting apparatus of wireless remote-control model - A servomotor neutral position setting apparatus of a wireless remote-control model comes with a simple structure that embeds a servo rudder piece into an output shaft of a servomotor to set a neutral position with high precision. | 09-18-2008 |
| 20080238267 | Encoder arrangement on a direct current motor - An encoder arrangement of a direct current motor, having an encoder housing, an encoder disk, a circuit board arranged perpendicular in reference to an motor shaft with an optic sensor encompassing the encoder disk in a U-shaped manner, and a connection plug aligned parallel to the motor shaft. The encoder arrangement allows a simple, economical, reliable, and precise assembly, requiring little construction space, and protecting the encoder arrangement from contaminations. The circuit board is provided with accepting slots for connectors, with contact surfaces of the circuit board being arranged partially around the accepting slots and an electric contact is made between the connectors and the contract surfaces. The encoder housing comprises an encoder housing ring and an encoder housing lid. The encoder housing ring is provided with a radial recess, which is arranged in the area of the connector plug. The optical sensor is arranged on the circuit board at the side of the connector plug, and is provided with an accepting slot for the encoder disk, which accepting slot being open towards the motor shaft on which the encoder disk is mounted. The accepting slots are open on the side of the direct current motor opposite the connection plug and towards the edge of the circuit board. | 10-02-2008 |
| 20080246373 | GENERATING ELECTROMAGNETIC FORCES - An electromagnetic actuator includes a body having a rotational axis, a first pole adjacent an end facing surface of the body, and a second pole adjacent a lateral facing surface of the body. The poles are adapted to communicate magnetic flux with the body. The body, the first pole, and the second pole define an axial magnetic control circuit. The actuator includes a plurality of radial poles adjacent the lateral facing surface of the body and adapted to communicate magnetic flux with the body. The body and the plurality of radial poles define a plurality of radial magnetic control circuits. The plurality of radial poles are adapted to communicate magnetic fluxes with the body and at least one of the first pole or the second pole. The body, the plurality of radial poles, and at least one of the first pole or the second pole define a magnetic bias circuit. | 10-09-2008 |
| 20080246374 | Electromotive Servodrive for Vehicles - In the case of an electromotive auxiliary drive for vehicles, particularly for windscreen wiper drives or adjustment drives for vehicle elements with a secondary transmission for the electromotor, with at least one magnetic sensor, which acts in conjunction with a signal transmitter or permanent magnet arrangement formed of at least one permanent magnet and rotating with a drive shaft or a gear wheel in order to record the angle position and/or modification of the angle position of the rotation of the shaft or the gear wheel, the permanent magnet arrangement is arranged on the front side on a shaft end bedded in a bearing arrangement or on a drive element bedded in the bearing arrangement and arranged on the shaft. The at least one magnetic sensor is arranged opposite the permanent magnet arrangement in the direction of the shaft axis within the bearing arrangement. | 10-09-2008 |
| 20080258582 | Switching Flap Device - An actuating device for actuators, such as switching, throttle or swirl flaps, in internal combustion engines for motor vehicles comprises a shaft connected with an actuating motor. The shaft is connected with an actuator, such as a switching flap or the like. In a predetermined position relative to the shaft two pin-type magnets are arranged and preferably connected with a partly toothed gearwheel. When the shaft is rotated, the pin-type magnets move relative to a preferably fixed magnetic field sensor. The magnetic field sensor is a linear Hall sensor. Provision of a linear Hall sensor allows three different shaft positions to be determined. The positions are the two shaft positions defined by the pin-type magnets in which the magnets are arranged opposite the Hall sensor, and a position in which the location of the pin-type magnets does not allow the Hall sensor to detect a magnetic field. In the latter position the linear Hall sensor has a defined bridge voltage. | 10-23-2008 |
| 20080258583 | Electric Machine Comprising a Claw-Pole Stator and Claw-Pole Stator Metal Sheet - The invention relates to an electric machine comprising a rotor, a claw-pole stator ( | 10-23-2008 |
| 20080258584 | MOTOR AND CONTROL CIRCUIT THEREOF - A control circuit of a motor includes at least two sensor chips and at least two winding sets. The sensor chips are electrically connected to each other, and each of the winding sets has a first winding and a second winding. The first end of the first windings and the first end of the second windings are electrically connected to each other, and the second end of the first windings and the second end of the second windings are electrically connected to the sensor chips correspondingly. In addition, a motor having the control circuit is also disclosed. | 10-23-2008 |
| 20080258585 | RESOLVER - A resolver rotor for a variable reluctance resolver includes a plurality of axially stacked rotor pieces. The rotor pieces are jointly fitted into one body. In the fitting of the rotor pieces, deformed portions are provided between a center of the radial thickness of the resolver rotor and a side surface thereof which is opposite to a stator-side surface thereof. The number of deformed portions is the same as that of projecting poles of the resolver rotor. The deformed portions are arranged at circumferential positions of peaks of the respective projecting poles. At those positions, concave portions are provided on the side surface to receive deformations caused by fitting the rotor pieces together. Thus, the stator-side surface of the resolver rotor is less affected by fitting of the rotor pieces together, preventing a reduction in the detection accuracy of the resolver. | 10-23-2008 |
| 20080284288 | ELECTRIC ROTATING MACHINE FOR VEHICLE - An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core | 11-20-2008 |
| 20080290761 | Interface Module for Arranging in or on a Motor - Temperature or vibration sensors ( | 11-27-2008 |
| 20080290762 | Rotor and an Electrical Machine Comprising Such a Rotor | 11-27-2008 |
| 20080297010 | BRUSHLESS MOTOR - A brushless motor has a stator, a rotor rotatably disposed in an inner circumferential portion of the stator, and a resolver configured to detect a rotational position of the rotor with respect to the stator. The resolver has a resolver stator disposed at a fixed circumferential position with respect to the stator, and a resolver rotor disposed at a fixed circumferential position with respect to the rotor. | 12-04-2008 |
| 20080309204 | CIRCUIT BOARD AND BRUSHLESS MOTOR USING THE SAME - A circuit board is used for allowing an electric current to conduct to a position detection unit and a stator having a winding for generating rotating magnetic fields for a brushless motor. The circuit board includes a winding connection portion that connects ends of the winding to the circuit board; and a first terminal portion electrically connected to the position detection unit installed outside of a circumferential surface of the circuit board. | 12-18-2008 |
| 20090009038 | Fan with failure detecting function - A fan with failure detecting function includes a power input terminal, a current limiting resistor, a light emitting diode (LED), and a fan motor. The power input terminal is coupled to the anode of the LED via the current limiting resistor. The cathode of the LED is coupled to one terminal of the fan motor, another terminal of the fan motor is grounded. | 01-08-2009 |
| 20090015111 | MOTOR ASSEMBLY FOR CEILING FAN - A motor assembly for ceiling fans includes a top cover having a plurality of protrusions extending from a top thereof, a bottom cover and a ring-shaped member connected between the top cover and the bottom cover so as to form a case. A shaft rotatably extends through the top cover and the bottom cover. A stator is fixed to the shaft and located in the case, and a permanent magnet is fixed to an inner periphery of the ring-shaped member. A light detection device is connected to the frame and includes a light detection member. A circuit board is located in the light detection device. The protrusions pass through the light detection member to block a light beam emitted from the light detection member to activate the light detection member to send a signal to the circuit board to count the revolution of the shaft. | 01-15-2009 |
| 20090021121 | ELECTRICAL MACHINE - The invention relates to an electrical machine with a stator and a rotor, the rotor having a winding system ( | 01-22-2009 |
| 20090033180 | Rotating Electrical Machine - A rotating electrical machine having an RF-IC chip for detecting a rotation and also having a stator and a rotor. When a compact RF-IC chip is used as the RF-IC chip, the chip can detect the rotation of the rotating electrical machine. | 02-05-2009 |
| 20090039740 | Magnetic Bearing - Certain exemplary embodiments comprise a system, which can comprise a radial magnetic bearing static portion. The radial magnetic bearing static portion can comprise a plurality of electromagnets. The radial magnetic bearing static portion can comprise a plurality of pulse width modulated amplifiers, each of which can be adapted to provide electrical energy to a corresponding electromagnet of the plurality of electromagnets. | 02-12-2009 |
| 20090066197 | WIRELESS SIGNAL TRANSMISSION DEVICE FOR A DC BRUSHLESS CEILING FAN MOTOR - A wireless signal transmission device for a DC brushless ceiling fan motor that includes a wireless signal transmission device to receive and transmit a signal to a controlling unit, and the controlling unit transmits the control signal to the motor via an electric wire. A wireless signal-transmitting device is installed above the motor. The signal-transmitting device detects the position of the motor and transmits a wireless signal to a signal receiving device, which then transmits the signal to the controlling unit, which further transmits the controlling signal to the motor via of the electric wire, for the purpose of controlling the rotation of the motor. Due to the fact that the signal is transmitted wirelessly, it is not necessary to use any destructive process such as drilling a hole on the body of the ceiling fan, and thus the rigidity and the strength of the components are preserved. | 03-12-2009 |
| 20090072677 | MOTOR DRIVING APPARATUS - In a motor driving apparatus, an incline of boundary lines of magnetic poles with respect to a rotating shaft of a rotor and an incline in a movable direction of a magnetic detection unit with respect to the rotating shaft of the rotor are different. | 03-19-2009 |
| 20090091216 | Adjustment Drive of a Motor Vehicle - The invention relates to an adjustment drive of a motor vehicle, wherein the adjustment drive includes a drive motor having a motor magnet that generates a magnetic exciter main field and having a motor armature that is rotatably arranged between a plurality of magnet poles of said motor magnet. The adjustment drive also includes a magneto-sensitive sensor positioned in such a way that during a rotation of the motor armature it senses a change in a magnetic flux density of the exciter main field. | 04-09-2009 |
| 20090091217 | DIRECT-DRIVE BUILT-IN MOTOR WITH SPECIAL SENSOR ATTACHMENT - The aim of the invention is to simplify and to secure the mounting and adjusting of sensors on built-in motors. As a result, a direct drive built-in motor is equipped with a first motor component ( | 04-09-2009 |
| 20090108716 | BRUSHLESS MOTOR AND COOLING FAN - A rotor unit of a brushless motor includes a substantially cylindrical rotor magnet and a rotor holder arranged to retain an outer circumferential portion of the rotor magnet. A stator unit of the same includes a stator core around which coils are wound and a Hall IC for sensing magnetic flux generated from the rotor magnet. The stator core includes teeth disposed at positions separated in the circumferential direction, each of which has an arm portion extending outward in the radial direction around which the coil is wound, and a stretching portion extending from the arm portion outward in the radial direction and in the circumferential direction on both sides. A sensor element included in the Hall IC is positioned in the range within a lead angle of about four degrees or less as a mechanical angle in the circumferential direction from a line connecting radially the central axis and a point bisecting a line connecting neighboring stretching portions, and within a distance of about one millimeter or smaller outward in the radial direction from an arc connecting outer edges of the neighboring stretching portions. | 04-30-2009 |
| 20090167121 | POSITIONING MECHANISM OF RESOLVER AND ELECTRICALLY -DRIVEN POWER STEERING APPARATUS - In the power steering apparatus, of the present invention, bobbins and a bus ring holder are coupled and fixed to a stator so as to be positioned at constant circumferential positions with respect to the stator, and a resolver stator is held by a groove portion of a bus ring holder so as to be positioned at a constant circumferential position with respect to the stator. A resolver rotor is positioned at a constant circumferential position with respect to a rotor. | 07-02-2009 |
| 20090179528 | Drive Unit and Image Forming Apparatus Equipped with the Same - A drive unit includes a motor being a drive source, a velocity reduction gear for reducing the revolution of the motor, an output shaft for connecting the velocity reduction gear to the rotation shaft of a photosensitive drum, and a velocity detection mechanism including an encoder and sensor members and detecting the revolution of the output shaft. The velocity reduction gear and the velocity detection mechanism are placed in a unit housing including a housing body made of a resin with one end opened and a support plate made of metal closing the opening of the housing body, and the output shaft is rotatably supported by the housing body and the support plate. | 07-16-2009 |
| 20090179529 | RESOLVER, MOTOR, POWER STEERING APPARATUS AND METHOD OF MANUFACTURING THE RESOLVER - A resolver includes a stationary unit centered about a center axis, and a rotary unit disposed inside or outside the stationary unit to be rotatable around the center axis with respect to the stationary unit. The stationary unit includes teeth radially arranged around the center axis, and an insulator covering surfaces of the teeth. The stationary unit further includes output coils formed on the teeth by winding at least one of two output wires around each of the teeth via the insulator in a first number of turns and in multiple layers, and excitation coils formed on the teeth by winding an excitation wire around the output coils in multiple layers and in a second number of turns less than the first number of turns. | 07-16-2009 |
| 20090184608 | MOTOR FOR VEHICLE DOOR LOCK - A motor of a door lock for a vehicle comprises: a motor housing; an end cap fixed to the motor housing; and a rotation detector. The motor housing accommodates an armature including a motor shaft and a commutator. A sensor magnet is fixed to the motor shaft and the rotation detector comprises a rotation sensor fixed to a circuit board fixed to an inner part of the end cap and disposed adjacent the sensor magnet for sensing rotation of the magnet to produce a corresponding signal. A sensor connector fixed to the circuit board and electrically connected with the rotation sensor; connects to signal wires which transfer the signal to a microprocessor of the vehicle. | 07-23-2009 |
| 20090230824 | ELECTRIC MOTOR - An electric motor has a stator ( | 09-17-2009 |
| 20090236951 | SWITCHED RELUCTANCE MOTOR - The present invention relates to a switched reluctance motor which includes a housing, a stator and a rotor received and installed within the housing, and a rotor position detecting unit that detects a rotational position of the rotor at an outer side of the housing. Assembling can be quickly and easily performed, a sensor can be easily repaired and checked, and a bad influence on the sensor by temperature and dust can be reduced. | 09-24-2009 |
| 20090251030 | MOTOR FOR CONTROLLER INTEGRATED ELECTRIC POWER STEERING APPARATUS AND ELECTRIC POWER STEERING APPARATUS - An apparatus is provided for obtaining a compact and inexpensive motor for controller integrated electric power steering apparatus capable of reducing a component for connection and the number of man-hours of assembly, and an electric power steering apparatus. A driving substrate having a power element is arranged in the side of a speed reduction mechanism of the inside of a case of a controller and a control substrate for controlling driving of the driving substrate is arranged in the side of a motor of the inside of the case and a resolver and a lead frame comprising connection wiring are arranged between a motor shaft direction of the control substrate and the driving substrate and an input-output terminal of the resolver is electrically connected to the control substrate. It is placed substantially coaxially in order of a motor, the controller and a speed reduction mechanism in the motor shaft direction. | 10-08-2009 |
| 20090261693 | Shaft Support System For Electric Motor, Electric Motor And Method For Making Same - A shaft support system | 10-22-2009 |
| 20090284104 | BUILT-IN MOTOR, IN PARTICULAR A BUILT-IN TORQUE MOTOR - The invention relates to a built-in motor ( | 11-19-2009 |
| 20090284105 | MOTOR WITH AN ELECTROMAGNETIC BRAKE - A motor with an electromagnetic brake is provided that is capable of sufficiently reducing influence of leakage magnetic flux on a magnetic sensor. A second ball bearing that rotatably supports a shaft at a position in the vicinity of a non-load-side end portion is configured to be ferromagnetic. An inner circumferential surface of a bearing stopper member that faces an outer circumferential surface of the shaft is disposed in proximity to the outer circumferential surface of the shaft. The bearing stopper member, which is ferromagnetic, is fixed to the second bearing holder in order to prevent the second ball bearing from getting out of a bearing fitting portion. A magnetic shield member is fixed to a portion of the shaft between the bearing stopper member and a magnetic sensor. The magnetic shield member guides leakage magnetic flux, which has been generated by an electromagnetic coil and leaked through the shaft, from the shaft to the bearing stopper member, thereby reducing influence of the leakage magnetic flux on the magnetic sensor. | 11-19-2009 |
| 20090295258 | Actuator arrangement with worm gear and rotational output - A first embodiment is an actuator arrangement having a rotational output and a motor. The actuator arrangement further includes at least one intermediate gear, an output gear, and an encoding detector. The motor has an output shaft that includes a worm gear. The output gear generates a rotational output at an axis thereof. Position encoding indicia are fixedly arranged on the output gear. The encoding detector is disposed in position to detect the position encoding indicia. | 12-03-2009 |
| 20090302718 | ROTOR STRUCTURES FOR MOTOR - A rotor structure for a motor comprising a rotor having an end surface; a shaft extending from the end surface; an encoder member attached to the end surface of the rotor; and a coupler coupled to the shaft adjacent to the encoder member for coupling a further member to the shaft, in which the coupler surrounds the shaft and has a lip associated therewith, the lip extending from the coupler towards the encoder member so as to define a void between the coupler and the encoder member. The void defined by the rotor structure may act to contain matters such as swarf that is ejected from the rotor when the encoder member is fixed to the rotor. The rotor may be used in a motor of an electric power assisted steering (EPAS) system. | 12-10-2009 |
| 20090302719 | BRUSHLESS MOTOR - A Hall element is placed under an outside rotor at an identical angular position to a centerline between two adjacent outer teeth. This structure allows narrowing a dead band of the Hall element when it senses a leakage magnetic flux. | 12-10-2009 |
| 20090309463 | BRUSHLESS ELECTROMECHANICAL MACHINE - An electromechanical machine having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a disc adapted to pass through the at least one gap. The disc includes a plurality of permanent magnets spaced side by side about a periphery thereof and arranged so as to have alternating north-south polarities. The permanent magnets are sized and spaced such that within the stator arc length the ratio of permanent magnets to electromagnets is N+1 to N, where N is the number of electrical excitation phases applied to the electromagnets. | 12-17-2009 |
| 20090315433 | Kit servomotor - A kit servomotor consists of an electromotor and a rotary encoder. The electromotor has a motor stator ( | 12-24-2009 |
| 20100019627 | BRUSHLESS DC MOTOR AND MANUFACTURING METHOD THEREOF - A brushless DC motor includes an embedded memory of a micro computer mounted on a circuit board which can be modified during and/or after a manufacturing process of the brushless DC motor. The circuit board installed on the brushless DC motor includes an IC having the embedded micro computer executing feed back control of the pulse wide modulation and the embedded memory for storing data such as control programs. The circuit board also includes a writing terminal port to which an external memory writer is to be connected. Data is transferred from the external memory writer and stored in the embedded memory by contacting the writing terminal port with a tip end portion of a cable from the external memory writer. | 01-28-2010 |
| 20100060112 | ENCODER WITH MOTOR - With a motor with an encoder of the invention, a stopper gap formed between a stopper formed on an outer circumferential surface of a hub of the encoder and a bearing cover of an anti-load side bracket is set smaller than an encoder gap to prevent that a rotating disk is made contact with a fixed slit even when an excessive force is applied to an output shaft of the motor with the encoder. | 03-11-2010 |
| 20100072864 | Motor Assembly with Sensor Target on Motor Rotor and Method of Forming Same - A motor assembly is provided that includes a rotor having a plurality of coaxial rotor laminations, a conductive end ring adjacent the rotor laminations that establishes an axial end of the rotor; and a target member supported by the end ring and rotatable with the rotor. A sensor is operable to monitor, for example, speed and/or angular position of the target member as the rotor rotates. A method of forming a motor assembly includes providing a sensor target and a sensor operable to determine the position of the sensor target. The method includes connecting the sensor target with a motor rotor end ring such that the sensor target is supported by the motor rotor end ring for common rotation therewith and may be sensed by the sensor. Connecting the sensor target to the end ring may be by overcasting the sensor target onto the motor rotor end ring. | 03-25-2010 |
| 20100084950 | BRUSHLESS MOTOR STATOR - A brushless motor stator is provided that may be applied to a plurality of types of motors having different rotational speeds, merely by providing one type of a circuit substrate. A pair of fitting convex portions that project radially outside of a virtual circle centering on a center line C are formed on one insulator divided body of a slot insulator. Three pairs of diagonally located fitting concave portions are formed in an inner circumferential wall portion surrounding a through-hole of a circuit substrate. The pair of fitting convex portions of the one insulator divided body are fitted in one of the three pairs of fitting concave portions. With this, a positional relationship between three hall elements and stator magnetic poles is selected, corresponding to the speed range of a motor to be used. | 04-08-2010 |
| 20100102681 | Rotating electrical machine - A rotating electrical machine includes a stator formed by disposing coils of a plurality of phases in a plurality of slots formed along an axial direction of a stator core; a rotor rotatably provided on an inner peripheral side of the stator; and a rotation position detector for detecting a rotation position of the rotor disposed on the one axial end side of the stator core. | 04-29-2010 |
| 20100102682 | MOTOR MODULE - A motor module includes a bearing housing having a loading base, an electric unit, a bearing, and a magnetic rotor unit disposed on the bearing. In addition, a protruding portion is extending from the loading base, and the electric unit includes a printed circuit board (PCB) and sensing elements, wherein the PCB is utilized for disposing the loading base thereon. Moreover, signal circuits and motor windings are formed on the PCB around the loading base, the sensing elements are disposed around the motor windings, and the bearing is disposed at the protruding portion. Besides, the magnetic rotor unit is disposed on the motor windings, keeping a gap with the PCB; therefore, when electric current passes the motor windings, the magnetic rotor unit and the motor windings generate a flux linkage induction, so as to drive the magnetic rotor unit to rotate relative to the PCB. | 04-29-2010 |
| 20100109490 | METHOD FOR MOUNTING AN ANGLE MEASURING DEVICE ON AN ELECTRIC MOTOR - In order to connect an angle measuring device to a brushless direct-current motor, a coupling is used, the coupling halves ( | 05-06-2010 |
| 20100109491 | Motor structure with rotation detector - A casing of a motor with resolver includes a stator, a motor shaft rotatably supported by a bearing, a motor rotor integrally rotatable with the motor shaft, and a resolver for detecting a rotation angle of the motor rotor. The resolver includes a disc-shaped resolver stator held on the motor casing and having a surface on which a thin-film-shaped coil is formed, and a disc-shaped resolver rotor provided on an end face of the motor rotor and having a surface on which a thin-film-shaped coil is formed. Part of the motor casing holding the outer periphery of the resolver stator is formed as a shield portion cylindrically protruding along the outer periphery of the resolver rotor to the rotor. The motor casing and the shield portion are each made of a non-magnetic conductive material. | 05-06-2010 |
| 20100133961 | CONTROLLER-INTEGRATED ROTATING ELECTRICAL MACHINE - A controller-integrated rotating electrical machine includes a rotating electrical machine main body having a stator winding and a field winding and provided with a rotation detector that detects a rotation angle of a rotation shaft, a power circuit that controls a current flowing into the stator winding according to a detection output of the rotation detection portion, a field switching circuit that controls a current to flow into the field winding, and a capacitor connected in parallel with the power circuit and the field switching circuit. Both ends of the capacitor portion are connected to an external battery. The capacitor is disposed in closer proximity to the field switching circuit than the rotation detector, and connected to the field switching circuit via a common connection terminal. Noises superimposed on the rotation detection portion are thus reduced. | 06-03-2010 |
| 20100141101 | SENSOR INCLUDING AN ANTI-ROTATION MECHANISM - A sensor assembly includes a main body having an outer wall member, an inner wall member, and an intermediate portion. The main body including a central opening defined by the inner wall member. The sensor assembly further includes at least one anti-rotation mechanism formed on the inner wall member. The at least one anti-rotation mechanism is adapted to deflect radially toward the outer wall member upon engagement with a component to be sensed. Upon deflection, the at least one anti-rotation mechanism fixedly secures the sensor assembly to the component to be sensed. | 06-10-2010 |
| 20100164333 | MOTOR WITH SPEED REDUCTION MECHANISM - Detecting a rotation state of a worm wheel side with good accuracy while allowing play between an armature-shaft-side coupling member and a worm-shaft-side coupling member. The armature-shaft-side coupling member is provided together rotatably to the other end of an armature shaft; the worm-shaft-side coupling member is provided together rotatably to one end of a worm shaft; the armature-shaft-side coupling member and the worm-shaft-side coupling member are coupled together rotatably; and a sensor magnet is provided together rotatably to the worm-shaft-side coupling member. Therefore, the rotation state of the worm shaft can be detected with good accuracy. Even if the play is provided between the armature-shaft-side coupling member and the worm-shaft-side coupling member, this play does not affect the accuracy of detection of the rotation state of the worm shaft, thereby bringing no problem regarding accuracy of detection of a rotation state of a worm wheel side. | 07-01-2010 |
| 20100176695 | APPARATUS FOR DETECTING POSITION OF ROTATION OF MOTOR - A magnetic absolute sensor for a geared motor comprises a dipole magnet and hall elements. The dipole magnet is fixed to a hollow portion of a hollow rotor shaft. A bracket attached to an end plate of a motor housing is coaxially inserted from the rear end side of the hollow portion. The dipole magnet is inserted from the front side in a cylindrical portion of the bracket. The hall elements are arranged at an interval of 90 degree on the circular inner periphery surface of the cylindrical portion. The hall elements face the circular outer periphery surface of the dipole magnet with a fixed gap therebetween. It is not necessary to increase a motor shaft length in order to incorporate the magnetic absolute sensor. The flux of a motor driven magnet is blocked by the hollow rotor shaft and the hall elements are not adversely affected. | 07-15-2010 |
| 20100176696 | CONTROL CIRCUIT MEMBER AND MOTOR - A control circuit member provided in a motor is disclosed. The motor includes a motor main body having a rotary shaft and a gear housing integrated with the motor main body. The control circuit member includes a circuit substrate on which a rotation detecting element is mounted and a substrate support member. The circuit substrate is accommodated in a circuit accommodating portion in the gear housing. The substrate support member supports the circuit substrate inside the circuit accommodating portion. The control circuit member is configured to be insertable into the circuit accommodating portion along the axial direction of the rotary shaft. The circuit substrate is configured to be arrangeable inside the circuit accommodating portion while being inclined with respect to the axial direction of the rotary shaft, so as to cause the rotation detecting element to approach the detector magnet. | 07-15-2010 |
| 20100213798 | ENCODER ASSEMBLY - An encoder assembly includes an encoder, a fixing cover for receiving the encoder, and a protecting cover for receiving the fixing cover. The encoder includes a main body, and a trumpet-shaped rubber collar extending from a first end of the main body. The fixing cover includes a first open end and a second open end opposite to the first open end. The second open end engages with an outer side of the rubber collar. The protecting cover includes an open end and a closed end opposite to the open end. A circular protrusion extends from an inner wall of the closed end to engage with an inner side of the rubber collar. | 08-26-2010 |
| 20100219725 | MOTOR - A motor having a sensor to detect a rotation angle that enables reduction in size and weight is provided. | 09-02-2010 |
| 20100225206 | POSITION SENSING DEVICE AND MOTOR USING THE SAME - A position sensing device for a motor, the motor has a stator having a coil winding, and a rotor, and the position sensing device including a fixing frame, including a first fixing portion, a second fixing portion, a third fixing portion, and a fourth fixing portion, multiple Hall components, and a PCB board. The position sensing device is connected to the stator via the first fixing portion whereby detecting a position of the rotor, the second fixing portion operates to fix a power lead connected to the coil winding of the stator, the PCB board is disposed on the fixing frame via the third fixing portion, and the Hall component is disposed on the fixing frame via the fourth fixing portion and connected to the PCB board. The invention features simple structure and is capable of being firmly connected and fixed to other electronic components such as a power lead, a PCB board and so on. | 09-09-2010 |
| 20100225207 | ELECTRIC MACHINE - An electric machine that includes a stator and a Hall-effect sensor. The stator includes a pair of asymmetric poles and the sensor is oriented such that the plane of the sensor is substantially parallel to armature field lines passing through the sensor. | 09-09-2010 |
| 20100225208 | HOLDER FOR A POSITION SENSOR - A holder for a position sensor of an electric machine. The holder includes a pocket for holding the position sensor, an abutment, and a biasing mechanism mountable to a fixture of the electric machine so as to bias the abutment relative to the fixture. Additionally, an electric machine that incorporates the holder, the electric machine including a stator against which the biasing mechanism biases the abutment. | 09-09-2010 |
| 20100237752 | MOTOR AND ELECTRONIC DEVICE USING THE SAME - This motor includes a stator whereupon a plurality of magnetic poles are arranged at first prescribed intervals on the outer circumference section, and a rotor which is rotatively arranged on the outer circumference of the stator by having a prescribed space in between and has permanent magnets magnetized to different polarities at second prescribed intervals. The magnetic pole of the stator forms an extending section which extends from a magnetic pole base section in a direction parallel to the permanent magnet, and the extending length of the extending section in the direction parallel to the permanent magnet is same as that of the magnetic pole base section in the direction parallel to the permanent magnet or shorter. | 09-23-2010 |
| 20100244637 | MOTOR AND ELECTRONIC DEVICE USING SAME - A motor comprises a stator having a plurality of magnetic poles disposed at first predetermined intervals along an outer periphery thereof, and a rotor having a permanent magnet with poles magnetized alternately to have different polarities at second predetermined intervals and disposed rotatably around the outer periphery of the stator with a predetermined gap. The magnetic poles of the stator has extended portions formed in a manner to extend from magnetic polar bases into a direction generally parallel to the permanent magnet, and the extended portions are formed of a high-permeability magnetic steel sheet with silicon content less than 3.0 wt-%. | 09-30-2010 |
| 20100259135 | SUBMERSIBLE ELECTRIC MOTOR ASSEMBLY - According to an embodiment, a submersible electric motor assembly has: a casing; an electric motor that is accommodated in the casing; and an electric insulating substance that is filled between the electric motor and the casing and has a thermal conductivity higher than that of air. The electric motor includes: a stator, a rotor that is rotated by an interaction with a magnetic field of the stator, a coil that magnetizes the stator and/or the rotor, and a shaft that is rotated by rotation of the rotor. | 10-14-2010 |
| 20100270893 | Electric Motor for Operating a Shutter Element or Solar Protection Element in a Building - An electric motor ( | 10-28-2010 |
| 20100277042 | Electrical actuating drive - The present invention relates to an electrical actuating drive ( | 11-04-2010 |
| 20100289387 | Rotation detecting apparatus and direct current motor - A rotation detecting apparatus includes a direct-current motor, a power source part, an energization detecting part, and a rotation state detecting part. The direct-current motor is configured so that an inductance between a pair of brushes periodically changes in accordance with a rotation. The power source part applies a power source voltage between the pair of brushes. In the power source voltage, an alternating-current voltage is superimposed on a direct-current voltage. The energization detecting part detects an electric quantity related to the alternating-current voltage applied from the power source part to the direct-current motor. The rotation state detecting part detects at least one of a rotation angle, a rotation direction, and a rotation speed of the direct-current motor based on a change in an amplitude of an alternating-current component in the electric quantity detected by the energization detecting part. | 11-18-2010 |
| 20100301712 | Wheel Motor with Rotating Stator - An in-wheel motor having an inner stationary portion (the stator), and an outer rotating portion (the rotor) that rotates around the stator and drives a wheel directly attached to the rotor. The stator may comprise an inner support structure around which a plurality of magnets having windings are disposed in a circumferential fashion. The rotor circumferentially surrounds the stator, and includes permanent magnets placed at an interval along a surface of the rotor. An intermediate layer between the rotor and the stator is comprised of a bearing that allows movement of the rotor relative to the stator. By attaching a wheel directly to the outer surface of the rotor, a compact and efficient wheel-mounted electrical motor may be provided. | 12-02-2010 |
| 20100320880 | BRUSHLESS MOTOR - To provide a small-sized brushless motor in which a rise in the temperature of power elements can be reduced. A stator ( | 12-23-2010 |
| 20100327708 | OVERLOAD PROTECTION DEVICE FOR MOTOR - An overload protection device includes a chassis, a motor, a pair of resilient members, and at least one of electrode. The motor is received in the chassis and includes a stator having a spiral groove defined on the stator and a pair of electrical conductive contacts attached on the stator, a rotor rotatably received in the stator at one end and protruding from the stator at another end. The resilient members are positioned between the chassis and two opposite ends of the motor. The at least one friction bump is attached on the inner side of the chassis and frictionally engaged in the spiral groove of the motor. The electrodes are separately attached on the inner side of the chassis and electrically coupled to electrical conductive contacts of the motor for supply power. | 12-30-2010 |
| 20110031850 | Structure of Rotation Detector-Equipped Motor and a Manufacturing Method Thereof - A motor is provided with a rotation detector including a detection rotor and a detection stator placed to face the detection rotor. The motor further includes a motor case and a motor shaft protruding out of the motor case. The detection rotor is fixed to an end of the motor shaft. The detection rotor includes a plate and a coil provided on the plate. The plate is fixed to the end of the motor shaft. Specifically, the motor shaft includes an opening in the end. The plate has a circular disc shape and a cylindrical portion protruding in the center from the back side. The cylindrical portion is press-fitted in the opening of the motor shaft to fix the plate to the end of the motor shaft. | 02-10-2011 |
| 20110031851 | ELECTRIC MOTOR - A shaft is adapted to be inserted through a circuit apparatus without a need for disassembling a shaft side sensor device from an end part of the shaft to place the shaft side sensor device in an opposed relationship to a circuit board side sensor device at a location adjacent to the circuit board side sensor device. The shaft side sensor device forms a sensor apparatus in cooperation with the circuit board side sensor device to sense a rotational angle of the rotor. | 02-10-2011 |
| 20110037354 | STATOR STRUCTURE, MICROMOTOR HAVING THE SAME AND MANUFACTURING METHOD THEREFOR - A stator structure, a micromotor having the same, and a micromotor manufacturing method therefor are provided. In the micromotor configured with the stator, a rotor, the stator and a case are disposed outward in a radial direction. The rotor is pivotly connected in the case and the stator includes a FPC assembly which is configured with a plurality of coil windings and at least one position signal generating unit and is circumferentially disposed between the rotor and the case, with the rotor as the axis. Configuration positions of the coil windings and the position signal generating unit are corresponding to magnetic poles of the rotor. | 02-17-2011 |
| 20110057550 | Actuator with Integrated Equipment for Condition Monitoring and Method for Condition Monitoring and Method for Producing an Actuator - This invention relates, in the field of aviation and vehicle technology, in particular in the field of control technology, to an actuator with integrated condition monitoring system for the detection and monitoring of mechanical irregularities of individual components of the actuator and/or for the measurement of a load distribution on the actuator. This invention further relates to a method for the monitoring the condition of the actuator and a method for its manufacture. The actuators claimed by the invention can be used in actuator systems in the field of aviation control and vehicle control technology as well as in the field of power generation. | 03-10-2011 |
| 20110089789 | MOTOR DRIVE DEVICE - A motor drive device comprises a motor, a gearbox mounted to the motor and a control module. The gearbox comprises a gearbox housing that has an opening facing the motor. The motor has a shaft that extends into the gearbox housing through the opening to drive a worm gear of the gearbox. The control module has a PCB mounted to the gearbox and most of the PCB is accommodated in the opening of the gearbox housing. The PCB extends in a plane substantially parallel to the shaft. | 04-21-2011 |
| 20110095658 | ROTATIONAL ANGLE DETECTOR - A rotational angle detector provided with a circular rotary plate integrally rotatable with a rotor of a motor and including a circumferential surface having marks, which are spaced apart by different angular intervals in a circumferential direction. A rotational angle detection unit is arranged along the circumferential direction of the rotary plate to detect a rotational angle of each mark, rotated together with the rotary plate, in a predetermined detection zone. The rotational angle detector determines, when adjacent marks are located in the detection zone, angular intervals between the adjacent marks based on the rotational angle of each mark, specifies a mark that is located in the detection zone based on the determined angular intervals, and detects the rotational angle of the rotor based on the rotational angle of the specified mark rotating in the detection zone. | 04-28-2011 |
| 20110121693 | DRIVING DEVICE - A driving device includes a first rotating member, an armature member being movable and rotatable together with, a second rotating member being rotatable relative to the armature member, a magnetic force generating portion for generating a magnetic force for attracting the armature member toward the second rotating member in order to establish a connection between the armature member and the second rotating member so as to be integrally rotatable, a sensor magnet fixed to the second rotating member, a sensor provided for detecting a change of the magnetic field and a fixing member formed with a first claw portion engaged with the second rotating member and a second claw portion engaged with the sensor magnet while being press-fitted thereto in a radial direction thereof, wherein the sensor magnet is fixed to the second rotating member by means of the fixing member. | 05-26-2011 |
| 20110140583 | Motor - Disclosed is a motor. The motor includes a rotor case, a ring member mounted on the rotor case and including an encoder on a bottom surface thereof extending outside of the rotor case, and an encoder sensor detecting speed information of the rotor case from the encoder such that the rotor case rotates at low speeds enabling a LightScribe operation. | 06-16-2011 |
| 20110148258 | Rotation sensor and direct current motor - A direct current motor includes an armature coil having at least three phase coils, a commutator having multiple commutator segments connected to the armature coil, a pair of brushes in slidable contact with the commutator to supply power to the phase coils through the commutator, a rotation shaft, and a ring varistor coaxially fixed to the rotation shaft and having a ring-shaped varistor body and multiple electrodes that are circumferentially arranged on a surface of the varistor body. Each commutator segment is connected to a corresponding electrode of the ring varistor. The electrodes of the ring varistor are paired to form electrode pairs. Each electrode pair includes any two of the electrodes. A capacitance of one electrode pair is different from a capacitance of another electrode pair. | 06-23-2011 |
| 20110156545 | MOTOR DRIVE ASSEMBLY - A motor drive assembly has a motor, a gearbox and a control module. The control module has a printed circuit board, flat contacts formed on the PCB and a micro control unit mounted to the PCB. The flat contacts are resiliently pressed by respective motor terminals to establish electrical connection. The micro control unit comprises a data processing unit for processing signals from a sensor such as Hall sensors and a analog drive unit for operating a relay that controls the electrical connection between the flat contacts and an external power supply. | 06-30-2011 |
| 20110169382 | RESOLVER WITH LOCATING FEATURE - A resolver is configured to determine the rotational position of a first member that is selectively rotatable about an axis with respect to a second member. The resolver includes a stator core, a plurality of wire windings operatively connected to the stator core, a winding support between the windings and the stator core, and a cover at least partially enclosing the windings. One of the cover and the winding support defines a pin that is fittable inside a hole in the second member. The pin functions as a locating feature, which ensures that the stator is accurately mounted to the second member. Because the pin is part of the winding support or the cover, the locating feature does not entail the use of an extra part, thereby simplifying assembly of the stator. | 07-14-2011 |
| 20110187242 | ELECTRIC MOTOR DEVICE - The electric motor device is provided. The electric motor device includes: a first drive member that has a plurality of permanent magnets; a second drive member that has a plurality of electromagnetic coils; and a clearance controller that shifts at least either one of the first drive member and the second drive member, thereby changing a size of a clearance formed between the first drive member and the second drive member. | 08-04-2011 |
| 20110210651 | MOTOR, MOVING UNIT INCORPORATING SAME AND METHOD OF STORING ERROR INFORMATION ON POSITION WHERE ROTOR POSITION DETECTION ELEMENT IS ATTACHED - A motor of the present invention is provided with a storage portion, and information stored in the storage portion can be output to the outside. | 09-01-2011 |
| 20110215682 | Epitrochoidal Electric Motor II - An electric motor contains a mechanical mechanism that causes a rotor to move in an epitrochoidal path. Disposed around the epitrochoidal path are forcers that may impel or force the rotor to rotate. The mechanical mechanism that creates the epitrochoidal path may consist of an output shaft with an eccentric lobe, where the rotor revolves around the eccentric lobe. A fixed mounted sun gear may engage a ring gear mounted to the rotor to cause the epitrochoidal motion. Some embodiments may have two or more rotors, and may include controllers with feedback sensors to operate the electric motor at a specific speed or to control the speed as defined in a speed profile. | 09-08-2011 |
| 20110234057 | Actuator With Load Cell - The actuator is of the roto-linear type and comprises a sleeve, a clevis and an operating rod which transmits the load. An electromagnetic sensor that measures and controls the load is placed inside the actuator, at the shoulder of the clevis. This sensor is associated with measurement means for processing the signals from the said winding, which winding are torus-shaped and arranged inside a field frame which is magnetically closed by an armature. | 09-29-2011 |
| 20110241498 | DEVICE FOR MOUNTING A RESOLVER IN AN ELECTRIC MACHINE - An electric machine with a resolver for a system for autocontrol of the machine includes a machine stator, a machine rotor mounted for rotation in the stator, the rotor being mounted on a shaft, and a casing enclosing this assembly. The resolver includes a fixed resolver stator centred axially in a housing inside the casing and a resolver rotor mounted on the shaft of the machine rotor inside the resolver stator. The resolver stator is locked in an axially and angularly fixed position in the housing. A mounting device is included for mounting the resolver. The mounting device includes a bearing for rotational adjustment of an angular position of the resolver rotor on the shaft of the machine rotor and a device for clamping the resolver rotor and the shaft with respect to one another in a chosen angular position. The device may include a friction race. | 10-06-2011 |
| 20110254410 | Electric water pump - In a circuit substrate of an electric water pump, a Hall IC can be mounted on a circuit substrate at an optimum position in a stable and durable state. The electric water pump includes a motor housing, a stator constituted by a stator core covered by a resin insulator and a coil, a circuit substrate, a holder | 10-20-2011 |
| 20110285252 | Motor with rotor-mounted control circuitry - A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter. | 11-24-2011 |
| 20110285253 | Motor with rotor-mounted control circuitry - A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter. | 11-24-2011 |
| 20110285254 | SELF-STARTING ELECTROMOTOR - A self-starting electromotor having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a disc adapted to pass through the at least one gap. The disc includes a plurality of permanent magnets spaced side by side about a periphery thereof and arranged so as to have alternating north-south polarities. The permanent magnets are sized and spaced such that within the stator arc length the ratio of permanent magnets to electromagnets is N+1 to N, to where N is the number of electrical excitation phases applied to the electromagnets. | 11-24-2011 |
| 20110291532 | CORELESS ELECTROMECHANICAL DEVICE - A coreless electromechanical device having a first and second member which are movable relative to each other, includes: a permanent magnet disposed on the first member; an air-cored electromagnetic coil disposed on the second member; and a coil back yoke which, being disposed on the second member, has a stacked structure, wherein the electromagnetic coil is disposed between the permanent magnet and coil back yoke, the electromagnetic coil has an active coil region, in which a force causing the first member to move relatively in a movement direction is generated in the electromagnetic coil, and coil end regions, and the coil back yoke covers the active coil region, but does not cover the coil end regions. | 12-01-2011 |
| 20120001522 | Motor - A motor comprising a motor housing, a stator located within the motor housing, a rotor supported for rotation within the motor housing upon a rotor shaft, the rotor shaft being supported for rotation by bearings, and a sealing sleeve, wherein the sealing sleeve is of closed ended form and encircles the rotor, the sealing sleeve being sealed adjacent its open end to the motor housing. | 01-05-2012 |
| 20120001523 | LOW VOLTAGE HIGH HORSEPOWER BRUSHLESS MOTOR ASSEMBLY - A low voltage high horsepower brushless motor assembly including a plurality of axially aligned and interconnected stator module sections, a plurality of rotor modules mounted upon a common shaft corresponding to the plurality of stator module sections, and a single rotor position feedback encoder operating the motor, wherein each of the individual stator modules include multiple phase winding circuits terminating in a plurality of studs located on an exterior of their respective housings for interconnection with a plurality of controllers. | 01-05-2012 |
| 20120013225 | ELECTRIC MACHINE ALIGNMENT ADAPTER - An electric machine including a stator having a body provided with at least one alignment member, and a resolver positioned relative to the stator. The resolver includes at least one alignment element. An alignment adaptor is configured to receive each of the stator and the resolver. The alignment adaptor includes an alignment system that positions the alignment member and the alignment element to establish a desired alignment between the stator and the resolver. | 01-19-2012 |
| 20120043862 | MOTOR - A motor includes a shaft, a bearing arranged to support the shaft such that the shaft is rotatable about a central axis, a rotating body fixed to the shaft and including a rotor magnet arranged in an outer circumference thereof, a stator arranged radially outward of the rotor magnet, a circuit board arranged to be perpendicular to the central axis on one axial side of the rotating body, and an encoder arranged to detect rotation of the rotating body. The encoder includes a reflection pattern arranged on a surface of the rotating body which is opposed to the circuit board, and a reflective rotation detection sensor arranged on the circuit board to detect the rotation of the rotating body by irradiating the reflection pattern with light. | 02-23-2012 |
| 20120062077 | DRIVE DEVICE FOR HYBRID VEHICLE AND CASE FOR THE SAME - A drive device for a hybrid vehicle includes an input shaft, a motor having a rotor and a stator, an output shaft integrally and coaxially connected to the rotor along a rotation axis and configured so as to be engaged with and disengaged from the input shaft, a rotation angle sensor including a rotating portion and a fixed portion, which forms an angle relative to the rotating portion, and detecting a rotation angle of the rotor, and a case rotatably and axially supporting the input shaft and the output shaft on the rotation axis and accommodating the motor and the rotation angle sensor, wherein a side wall portion of the case includes an angle adjusting member coaxially supporting the fixed portion relative to the rotation axis while allowing the angle of the fixed portion to be adjustable, and a clamp member supporting a harness movably connected to the fixed portion. | 03-15-2012 |
| 20120062078 | PERMANENT MAGNET MOTOR AND WASHING MACHINE PROVIDED THEREWITH - A permanent magnet motor includes a rotor including a rotor core formed with circumferentially arranged magnet insertion holes and permanent magnets inserted into the respective magnet insertion holes, the magnets establishing in the magnet insertion holes magnetic poles corresponding to magnetic pole teeth of a stator. The magnets include a plurality of types of permanent magnets having different coercive forces and are inserted into the insertion holes respectively so that each pole corresponds to one of the types of magnets. The rotor core has a part located between the magnets adjacent to each other and having different coercive forces. The rotor core has a magnetic flux path defined in the part so as to protrude to the stator side. The magnetic sensor is configured to be relatively moved along a trajectory corresponding to the magnets and the flux path with rotation of the rotor. | 03-15-2012 |
| 20120068580 | LINEAR DRIVE UNIT - A linear drive unit having a casing with top, middle and low bodies, a vertical gear, DC motor, shaft and control module. The bodies and DC motor are fitted with an O-seal. The turntable and worm are fixed at end of the shaft. A connection sit is set on the circuit wafer of the control box and has big and small contact strips, so that when the turntable is rotated, I-type conductor contacts the contact strips to generate signal connection for computation of stroke. A drive shaft is driven by the worm to rotate the worm gear cam which has a cam department that pushes L-/R-terminal for a circuit breakage, so that DC motor is stopped to control the threshold. When the cam is rotated, an inspection piece is driven to contact the circuit wafer to inspect the transmission signals, specific position and reset the specified point. | 03-22-2012 |
| 20120068581 | FAN AND MOTOR THEREOF - A motor includes a base plate, a stator, a rotor, a circuit board and a Hall element. The stator is disposed on the base plate. The rotor is disposed around the stator, and includes a rotating shaft and a magnetic assembly. The rotating shaft is extended to a center part of the stator. The magnetic assembly includes plural magnets. The circuit board is arranged between the stator and the base plate and comprises a Hall element. A first gap and a second gap are arranged between every two adjacent magnets. The first gap is in the vicinity of the Hall element, and opposed to the second gap. The distance of a vacant portion of the first gap is shorter than the distance of the second gap, thereby facilitating continuous and steady magnetic induction between the Hall element and the magnetic assembly. | 03-22-2012 |
| 20120086313 | ROLLING BEARING ASSEMBLY WITH ROTATION SENSING MEANS, ELECTRIC MACHINE PROVIDED WITH SUCH AN ASSEMBLY AND FORK LIFT TRUCK COMPRISING SUCH AN ELECTRIC MACHINE - This rolling bearing assembly ( | 04-12-2012 |
| 20120091864 | Magi - Magnetic invention - A Magnetic Invention, or a magnetic field power convertor, provided with a driveshaft inserted transversely through a custom rare-earth neodymium magnet. This combination is then mounted inside a cylindrical electromagnet. Two sets of coils, referred to as the motor coils and the generator coils, are designed with a custom-built proximity switch and pulser system. The duration and amount of the input pulse and energy are minute and the output energy from the Magnetic Invention occurs continuously throughout the entire cycle. | 04-19-2012 |
| 20120104902 | OUTER ROTOR ELECTRIC MOTOR - An outer rotor electric motor includes a stator, an annular rotor and a resolver. The stator includes a stator core and a plurality of coils. The stator core has a plurality of teeth that are spaced at a specified interval in a circumferential direction. The plurality of teeth protrude radially. Each of the plurality of coils is formed by winding a wire around an outer circumference of each of the plurality of teeth. The annular rotor is disposed radially outward with respect to the stator. The resolver is disposed radially inward with respect to the stator core and includes a resolver stator and a resolver rotor. The resolver stator is mounted on the stator or a case member. The resolver rotor is mounted on the annular rotor or a support member that supports the annular rotor such that the resolver rotor opposes the resolver stator. | 05-03-2012 |
| 20120104903 | BRUSHLESS DC MOTOR - A brushless DC motor including a casing, a stator assembly, a rotor assembly, a magnetic ring, and a circuit board with a Hall element. The stator assembly mounted in the casing and includes a stator core, a coil winding, and an end insulation plate. The rotor assembly includes a rotor core and a permanent magnet, and the end surface of the rotor core is coupled to a magnetic ring support. A convex support ring spaced apart from the permanent magnet is mounted on the edge of the magnetic ring support. The top of the convex support ring is sheathed with the magnetic ring and the Hall element extending out of the circuit board is located on the side of the magnetic ring. The motor minimizes the interference of the magnetic tile and improves measuring accuracy of the Hall element, all while having a simple structure, convenient mounting, and low costs. | 05-03-2012 |
| 20120104904 | MOTOR ASSEMBLY, DRIVE DEVICE FOR HYBRID VEHICLE, AND METHOD OF MANUFACTURING THE SAME - A drive device for a hybrid vehicle, the drive device includes: an input shaft and an output shaft, which are supported by a case to be rotatable around a rotation-axis; a motor, which includes a rotor integrally coupled with the output shaft and a stator fixed to the case; an input-side rotation member and an output-side rotation member, which have an annular shape; a rotation angle sensor, which detects a rotation angle of the rotor, wherein the rotation angle sensor includes: a rotating sensor member coupled with the output-side rotation member; and a fixed sensor member fixed to the case to detect an angle between the rotating sensor member and the fixed sensor member; a protrusion, which protrudes in a radial direction; a groove to receive the protrusion to be inserted; and a restriction portion, which restricts relative rotation between the rotating sensor member and the output-side rotation member. | 05-03-2012 |
| 20120104905 | THREE-PHASE ELECTRIC MOTOR WITH A LOW DETENT TORQUE - The disclosure relates to a three-phase electric motor that uses high magnetic energy permanent magnets and that has a low detent torque. The motor consists of a rotor with N pairs of poles and of a stator portion with teeth extending radially from an annular gear. The teeth have windings and the ends thereof comprise an arc of circle, the middle of which is located on a radius R | 05-03-2012 |
| 20120104906 | BRUSHLESS DC MOTOR - A brushless DC motor including a motor casing, a stator component, and a rotor component. The stator component and the rotor component are respectively arranged inside the motor casing. The rotor component includes a rotor iron core and a rotating shaft supporting the rotor iron core. A shaft extension end of the rotating shaft is arranged with a magnetic ring. One end of the motor casing is provided with an end cover. The center of the outer end surface of the end cover is provided with a groove. The magnetic ring is arranged inside the groove. A Hall induction device is arranged outside the groove and close to the magnetic ring. The motor is reasonably structured, compact, cost-effective, installation friendly, and highly reliable. | 05-03-2012 |
| 20120119628 | ELECTRICAL MACHINE COMPRISING A ROTOR, A STATOR AND AN AIR GAP BETWEEN ROTOR AND STATOR - An electrical machine configured to operate at a power range of several MVA includes a rotor is configured to rotate about a rotor axis. The rotor includes a rotor lamination stack. A stator includes a stator lamination stack concentrically surrounding the rotor lamination stack, wherein a ring-like air gap separates the rotor lamination stack from the stator. An air gap monitoring device extends through the air gap in an axial direction and is configured to detect at least one of a change in a rotor geometry and a presence of debris in the air gap. | 05-17-2012 |
| 20120133249 | FAST ACCELERATION REACTION FORCE CANCELLING MOTOR - Particular embodiment of the invention relates to motors that produce reaction force cancellation and are thus well suited to applications where accelerations and reaction forces are relatively large. Such motors are particularly well suited to precision machinery that can benefit from fast accelerations with short settling times. In particular, the motors include movable and counter-movable motor members, where the counter-movable motor member has a reaction mass to counter the reaction force of the first movable motor member. | 05-31-2012 |
| 20120139394 | Fixing Structure for the Sensor of a Ceiling Fan - A fixing structure for the sensor of a ceiling fan is disclosed. The stator of the ceiling fan has several coil arms in equal spacing for field coils to wind around. A magnetic pole spacer is formed between each adjacent two coil arms. The magnetic pole spacer has a supporting base for the disposition of a sensor to sense the position of the rotor. | 06-07-2012 |
| 20120139395 | Adjusting drive for an adjustable part of a piece of furniture - The adjusting drive for an adjustable part of a piece of furniture, particularly for adjusting the height and/or the lying surface of a bed such as, e.g., a hospital bed or nursing bed, comprises a housing ( | 06-07-2012 |
| 20120139396 | Ceiling Fan Motor - A ceiling fan motor has a stator with several coil arms disposed at intervals for the winding of magnetizing coils. Between two adjacent coil arms are formed with a magnetic pole spacer. A supporting base is provided in a predetermined magnetic pole spacer for the disposition of a sensor to detect the position of the rotor. | 06-07-2012 |
| 20120161590 | DRIVE DEVICE - A drive device includes a motor, a control unit, a first fastener, and a second fastener. The control unit is arranged on a side of the motor in an axis direction of the motor. The first fastener is arranged in a wall part of a cylindrical motor case of the motor opposing to the control unit, on an inner side of a peripheral wall of the motor case in a radial direction. The second fastener is tightened with the first fastener so as to connect the motor and the control unit with each other. | 06-28-2012 |
| 20120176006 | ELECTRIC MACHINE HAVING INTEGRATED RESOLVER - An electric machine that includes a stator and a rotor. The rotor includes a shaft and a lamination assembly coupled to the shaft and is configured and disposed to rotate relative to the stator, the rotor lamination assembly including a plurality of laminations that define an outer periphery having an outer surface and an inner surface. The electric machine also includes a resolver rotor coil at least partially radially inwardly disposed of the inner surface and formed in the rotor lamination assembly and a resolver stator located between the resolver rotor coil and the shaft. | 07-12-2012 |
| 20120176007 | ELECTRIC MACHINE DEVICE, ACTUATOR USING THE SAME, MOTOR, ROBOT, AND ROBOT HAND - An electric machine device includes: a rotor including a rotor magnet arranged along the outer circumference of a center shaft; a stator arranged on the outer circumference of the rotor; a rotating mechanism coupled to the rotor and used for transmission of rotation driving force; and a load connecting section that connects the rotating mechanism and a load. In the rotor, a housing space that is opened on one side in an axis direction of the center shaft and houses at least a part of the rotating mechanism is formed between the center shaft and the rotor magnet. The rotating mechanism includes: an input section connected to or formed integrally with the rotor; a fixed section connected to or formed integrally with the stator; and an output section connected to or formed integrally with the load connecting section. The rotting mechanism functions as a speed-increasing gear or a reduction gear. | 07-12-2012 |
| 20120200202 | DETECTION STATOR, ROTATION DETECTOR AND MOUNTING STRUCTURE THEREOF - A motor includes a rotary shaft and a motor housing internally housing the rotary shaft. The motor housing is provided with a mounting hole in a position corresponding to an end of the rotary shaft. A detection rotor is fixed to the end of the rotary shaft. A detection stator includes a detection part made of resin into a plate-like shape having a surface on which a planar coil is placed, an outer peripheral wall axially extending from an outer circumferential edge of the detection part, and a flange radially extending from the outer peripheral wall. The detection stator is placed so that a surface of the detection part faces the detection rotor and the surface of the detection part faces to the inside of the motor housing in the mounting hole, and fixed to outside of the motor housing with a screw to the flange. | 08-09-2012 |
| 20120200203 | ELECTRIC MICROMOTOR - A miniature electric motor ( | 08-09-2012 |
| 20120206023 | METHOD FOR OPERATING A BUILDING CLOSURE - A method for operating a building closure having the shape of an overhead sectional door or of a garage door including at least one spring-loaded counterweight device and an electrical drive device is disclosed. A control unit simultaneously monitors the position of the building closure and a motor current for the drive device. When the building closure is in an open or a closed position, the motor current is reduced and maintained at a level to residually energize the drive device to reliably maintain the building closure in a desired position. | 08-16-2012 |
| 20120206024 | SERVO MOTOR MANUFACTURING METHOD, SERVO MOTOR MANUFACTURING APPARATUS, SERVO MOTOR, AND ENCODER - This disclosure discloses a servo motor manufacturing method, includes a disk position adjusting that adjusts a position of a rotating disk with respect to a shaft, in a case where said rotating disk to which at least one concentric pattern is formed around a disk center is to be fixed to said shaft of a motor, wherein in said disk position adjusting, said concentric pattern is used as a scale of a linear encoder to adjust an eccentricity of said rotating disk. | 08-16-2012 |
| 20120223623 | MOTOR AND MOTOR FOR ELECTRIC POWER STEERING - A motor has a motor body and a control unit, which is joined to the motor body. A resolver is connected to the control unit through a flat cable. The flat cable is arranged such that the width direction of the flat cable corresponds with a circumferential direction of the motor body. The flat cable extends outwardly in a radial direction of the motor case. | 09-06-2012 |
| 20120229005 | ELECTRIC DRIVING DEVICE AND ELECTRIC POWER STEERING APPARATUS EQUIPPED WITH THE SAME - Reduction in costs and size of an electric driving device is achieved and reliability of electrical connection thereof is enhanced. The device comprises: an electric motor; a controller that is disposed coaxially with the axis of the electric motor rotation shaft and takes control of driving the electric motor; a motor terminal whose end extends from the electric motor toward the controller; and an output terminal whose end extends from the controller toward the electric motor; wherein a portion of the motor terminal including the end thereof and that of the output terminal including the end thereof each are formed to extend in parallel to an axial direction of the electric motor, and overlappingly connected with each other. | 09-13-2012 |
| 20120242198 | VEHICLE DRIVE DEVICE - A vehicle drive device including a rotating electrical machine having a rotor and a stator, as a driving source force of wheels; a rotation sensor that detects a rotational position of the rotor with respect to the stator; a rotor support member that supports the rotor at a position radially inside the stator; an oil pump having a pump rotor disposed on a same axis as the rotating electrical machine and drivingly coupled to the rotor support member, and a pump case accommodating the pump rotor; and a support bearing that is placed between the pump case and the rotor support member in a radial direction, and that rotatably supports the rotor support member with respect to the pump case. The rotation sensor and the support bearing are positioned so as to overlap each other as viewed in the radial direction. | 09-27-2012 |
| 20120242199 | VEHICLE DRIVING APPARATUS - In a vehicle driving apparatus including a rotating electrical machine having a rotor and a case housing a power transmission device, a second projecting portion formed on a front cover member of the power transmission device is supported rotatably relative to a first projecting portion formed on a support wall of the case via a support bearing, a positioning fitting portion is provided to position a rotor support member for supporting the rotor relative to the front cover member in the radial direction, a torque transmitting coupling portion is provided on a radial direction outer side of the positioning fitting portion to couple the rotor support member and the front cover member so as to be capable of transmitting torque, and the positioning fitting portion and the torque transmitting coupling portion are respectively disposed to overlap a rotary support portion in an axial direction. | 09-27-2012 |
| 20120248946 | Partial Discharge Monitoring Systems and Methods - Systems and methods for monitoring partial discharge within a remotely located and inaccessible electric motor. One embodiment comprises a downhole electric motor of an electric submersible pump system positioned in a well. The motor includes a partial discharge monitoring system coupled to the motor's power terminals. The partial discharge monitoring system includes a filter subsystem, a processing subsystem, and a communication subsystem. The filter subsystem allows higher frequency signals to pass from the terminals to the processing subsystem. The processing subsystem identifies signal constituents that are associated with partial discharge, and may perform various types of processing or analyses of the signal received from the processing subsystem. The partial discharge information generated by the processing subsystem is passed to the communication subsystem, which communicates the information to remotely located surface equipment. The subsystems of the partial discharge monitoring system are configured to operate in a high-pressure, high-temperature downhole environment. | 10-04-2012 |
| 20120262032 | SHIELDING STRUCTURE - A shielding structure disposed between a rotary motor and a resolver for resolving angular position thereof. The shielding structure includes a first shielding body made of a material with a permeability more than 4000. The first shielding body is sandwiched between the resolver and the rotary motor for shielding the resolver from the rotary motor. The first shielding body provides a path of low magnetic resistance to change the direction of magnetic flux and lower the electromagnetic interference of the magnetic field with the operation of the resolver. Accordingly, the resolver can more stably output resolution signals at higher precision. | 10-18-2012 |
| 20120262033 | MOTOR ROTOR AND METHOD FOR MANUFACTURING MOTOR ROTOR - A motor rotor and a method for manufacturing a motor rotor, enabling crimping of the resolver rotor at low cost with less influence on the detection accuracy. A motor rotor includes a resolver rotor and a rotor shaft to which the resolver rotor is affixed by crimping. The rotor shaft includes a first stepped section with which a crimping punch makes contact to deform the first stepped section, a second stepped section with which an end surface of the resolver rotor makes contact, and a cutout groove formed in a surface which is located near the first stepped section and with which an inner peripheral hole section of the resolver rotor makes contact. In the crimping operation, the first stepped section of the rotor shaft is bent within the cutout groove to form a crimping protrusion which presses the end surface of the resolver rotor. | 10-18-2012 |
| 20120267988 | CONDITION MONITORING SYSTEM FOR A MOTOR - In order to enable simple, low-cost monitoring of a motor, a switch box cover for the motor, a condition monitoring system has a sensor unit for detecting a measured variable of the motor, a communication device, which is designed to provide a characteristic value that characterizes the measured variable to a reading device, and a supply unit for supplying the sensor unit with energy. | 10-25-2012 |
| 20120274185 | MOTOR ROTOR AND MOTOR - A motor with rotation detector includes a rotary shaft, a core part placed around the shaft and provided with axially extending through holes, permanent magnets individually mounted in the through holes, a pair of end plates provided at both ends of the core part to close openings of the through holes, and a motor stator including a coil. The end plates are made of a non-magnetic substance. One of the end plates is provided, on its outer surface in an axial direction, with recesses and protrusions for angle detection alternately arranged in a circumferential direction. A sensor stator with an excitation coil to which a high frequency signal is inputted is located to face the recesses and protrusions of the outer surface of the end plate. | 11-01-2012 |
| 20120286629 | MODULAR ROTATIONAL ELECTRIC ACTUATOR - A modular rotational electric actuator includes an output housing and internal drive components that include integrated control electronics, a torque sensor, and a portion of a joint assembly. The joint assembly includes a joint connector coupled to the internal drive components, including integrated control electronics, e.g., by a resilient member. The resilient member elastically couples the joint connector to a portion of the output housing, the joint connector including a portion that extends outward therefrom. | 11-15-2012 |
| 20120313490 | Power Angle Monitor - A system and method for monitoring the rotation of a generator rotor. The monitor uses a light beam directed toward the rotor to detect a marking thereon, and generates an electrical pulse when the marking is detected. The time between the pulse and a reference point (such as a zero crossing) of the signal waveform from the terminals of the generator may be used to calculate the power angle of the generator. The system is adaptive in that it can account for new markings on the rotor. The system may be connected to a network so that power angles from various generators on the electrical network may be compared. The system may further be connected to a common time source such that a time stamp may be applied to the power angles from various generators, allowing for more accurate comparison of the power angles. | 12-13-2012 |
| 20120313491 | Actuating Device and Method of Operating an Actuating Device - An actuating device for displacing a control device, such as a gate valve or other control mechanism, in particular for use in oil or gas production systems, includes a motor-gear unit and a threaded spindle drive, which is operable by said motor-gear unit. The threaded spindle drive includes at least a threaded spindle and a screw nut. The threaded spindle is displaceable in an essentially axial-direction so as to displace the control device between an advance position and a retracted position. The threaded spindle drive further includes a position holding means holding the attained position of the threaded spindle. The position holding means is directly connected to a motor shaft of the motor-gear unit so as to apply a holding torque to said motor shaft. | 12-13-2012 |
| 20120319540 | Servo Device And Remote Control Device Having The Same - A servo device | 12-20-2012 |
| 20120326574 | ROTARY SINGLE-PHASE ELECTROMAGNETIC SERVO ACTUATOR COMPRISING AN ACTUATOR AND A POSITION SENSOR - A single phase electromagnetic servo-actuator that includes a rotary actuator which moves a mobile member along a limited travel including a 2N ferromagnetic pole stator structure and at least one excitation coil, the stator structure being made of a material with high magnetic permeability and a rotor having ferromagnetic yoke and a thin magnetized portion of 2N pairs of axially magnetized poles, in alternate directions, and a rotor angular position sensor, the thin magnetized portion being a separate element from the ferromagnetic yoke. | 12-27-2012 |
| 20130009523 | ELECTROMECHANICAL DEVICE, ROBOT, AND MOBILE UNIT - An electromechanical device includes: a rotor including a center axis, a permanent magnet arranged on a first cylindrical surface along an outer periphery, and first and second magnet side yokes arranged at both end parts, of the permanent magnet; and a stator including an electromagnetic coil arranged on a second cylindrical surface along an outer periphery of the permanent magnet, and a magnetic sensor arranged opposite the permanent magnet with the first magnet side yoke located between the magnetic sensor and the permanent magnet. The first and second magnet side yokes are configured in such a way that a magnetic flux density on a surface opposite to the permanent magnet, of the second magnet side yoke on the side where the magnetic sensor is not arranged, is smaller than a magnetic flux density on a surface opposite to the permanent magnet, of the first magnet side yoke. | 01-10-2013 |
| 20130015748 | MOTORAANM TAKEI; TomoyukiAACI Nara-shiAACO JPAAGP TAKEI; Tomoyuki Nara-shi JPAANM MATSUBARA; KenAACI Matsubara-shiAACO JPAAGP MATSUBARA; Ken Matsubara-shi JPAANM KITAHATA; KoujiAACI Minamikawachi-gunAACO JPAAGP KITAHATA; Kouji Minamikawachi-gun JP - A motor includes: a rotary shaft; a rotor that is provided on the rotary shaft so as to be rotatable together with the rotary shaft; a stator that is provided radially outward of the rotor; a housing that supports the stator; a resolver that has a resolver rotor rotatable together with the rotary shaft and a resolver stator radially facing the resolver rotor; and a resolver unit that is an assembly component including the resolver stator. The resolver unit includes a bearing that rotatably supports the rotary shaft and a case member that has a first fitting portion to which the resolver stator is fitted and a second fitting portion to which the bearing fitted and that is detachably connected to the housing. At least part of the resolver unit is arranged on a radially inner side of the rotor. | 01-17-2013 |
| 20130020916 | ANTI-SEPARATING STRUCTURE OF SENSING MAGNET FOR EPS MOTOR - Disclosed is an anti-separating structure of a sensing magnet for EPS motor, the structure being a coupling structure between the sensing magnet and a plate of the EPS motor, the structure including a disk-shaped plate formed with a magnet accommodation unit protrusively formed near at a rotation shaft, a ring-shaped sensing magnet centrally formed with a through hole having a diameter corresponding to the magnet accommodation unit, and magnet grip units each formed at a predetermined gap along a circumferential surface of the magnet accommodation unit. | 01-24-2013 |
| 20130020917 | ENCODER, DRIVING APPARATUS, METHOD FOR CALCULATING ABSOLUTE POSITION, AND METHOD FOR MANUFACTURING ENCODER - An encoder includes a position data obtainer that obtains superordinate data representing a position of a moving body in a superordinate section and subordinate data representing a position in a subordinate section repeated in a superordinate section with higher resolution than that of the superordinate data, a storage in which a correction value that can correct a deviation amount occurring in the superordinate data against the subordinate data is recorded to be associated with an absolute position with resolution nearly equal to that of the superordinate data, a corrector that obtains the correction value from the storage and corrects the superordinate data, and a section identifier that identifies, based on the superordinate data corrected by the corrector and the subordinate data when the superordinate data is obtained, the subordinate section in which the subordinate data is obtained against the superordinate section. | 01-24-2013 |
| 20130026888 | MOTOR - In a motor, a magnetic sensor is provided on the lower surface of a substrate disposed above a magnetic sensor. On an upper surface of the substrate, a plate-shaped magnetic member is disposed at a position axially overlapping the magnetic sensor. The substrate and the magnetic member are fixed to each other at a plurality of fixing positions by axial tightening. On the upper surface of the magnetic member, a rib extending to connect the vicinity of one fixing position and the vicinity of another fixing position is provided. Flexure of the magnetic member is significantly reduced and prevented by this rib. For this reason, the direction of the magnetic flux of a magnet is concentrated on the magnetic sensor side. As a result, detection accuracy of the magnetic sensor is significantly improved. | 01-31-2013 |
| 20130038181 | BRUSHLESS ELECTRIC MACHINE - The brushless electric machine includes a first drive member ( | 02-14-2013 |
| 20130049552 | REDUCING ANGULAR CLEARANCE BETWEEN A MOTOR SHAFT AND AN ANGULAR POSITION SENSOR - An electric motor assembly includes a motor shaft rotatable about a longitudinal axis, an angular position sensor, and a deformable pin. The motor shaft has an axial keyway formed therein, and the axial keyway has a nominal keyway dimension. The angular position is coupled to the motor shaft to rotate with the motor shaft. The angular position sensor has an axial key to fit within the axial keyway of the motor shaft, and the axial key has a nominal key dimension that is less than the nominal keyway dimension. The deformable pin is located in the axial keyway under compression between the axial key and the motor shaft to inhibit rotational shifting of the angular position sensor relative to the motor shaft. | 02-28-2013 |
| 20130057119 | ROTARY ELECTRIC MACHINE - A rotary electric machine according to an aspect of an embodiment includes a detector and a brake. The detector is provided at the counter-load side of a shaft for rotating along with a rotor to drive a predetermined load and detects the rotation position of the shaft. The brake is exchangeably provided at the outer circumferential side of the detector to control the rotation of the shaft. | 03-07-2013 |
| 20130088126 | OPTICAL ENTIRE-CIRCUMFERENCE ENCODER AND MOTOR SYSTEM - An optical entire-circumference encoder includes a substrate. A light source is disposed on a rotation axis and a first surface of the substrate. A disc, rotatable about the rotation axis, is disposed on a second surface of the substrate. The disc includes first and second rotation tracks each including rotating slits. A light guiding unit radially guides light from the light source toward an entire outer circumference of the disc to the first and second rotation tracks. The light guiding unit includes a first light guiding section and second light guiding sections. The first light guiding section includes a ring-shaped surface directly or indirectly opposed to a rotation track. The first light guiding section radially guides the light out from the ring-shaped surface toward the first rotation track. The second light guiding sections guide part of the radially guided light to the second rotation track. | 04-11-2013 |
| 20130088127 | METHOD AND STRUCTURE OF WINDING OF STATOR FOR ROTATION DETECTOR, AND ELECTRIC MOTOR COMPRISING ROTATION DETECTOR | 04-11-2013 |
| 20130093293 | Hybrid electric motor - The invention is an efficient electric motor which has fixed permanent and electromagnets in the stator with fixed permanent magnets in the rotor. An electronic Pulse Width Modulator (PWM) controller manages the flow of electric power to the electromagnets of the stator. Infrared sensors and Hall sensors provide the controller with the precise location of the rotor thus allowing the controller to provide the maximal electromagnetic forces to provide increased efficiency for the present electric motor. The present inventive motor is useful in an electric automobile or household use. | 04-18-2013 |
| 20130093294 | INTEGRATED HIGH FREQUENCY ROTARY TRANSFORMER AND RESOLVER FOR TRACTION MOTOR - An integrated rotary transformer and resolver and a motor including an integrated rotary transformer and resolver is provided. The integrated rotary transformer and resolver may include, but is not limited to, a stator having an outer surface and a plurality of slots disposed along the outer surface, a plurality of sensing coils, the plurality of sensing coils disposed in at least some of the plurality of slots, a rotor having a surface varying from a first predetermined thickness to a second predetermined thickness, and a controller electrically coupled to the plurality of sensing coils and configured to determine a position of the rotor based upon a voltage induced in each of the coils due to a relative thickness of the rotor opposed to the respective sensing coil. | 04-18-2013 |
| 20130093295 | Direct Current Brushless Motor - A motor includes a frame, a shaft rotatably mounted onto the frame, and at least one disc mounted onto the shaft. At least one permanent magnet is mounted on the disc, and at least one electromagnet and at least one coil are mounted to the frame in rotational magnetic proximity to the permanent magnet. A battery is connectable to the electromagnet and the coil for energizing the electromagnet and for receiving electrical current from the coil for charging the battery. A relay switch controls the transmission of electrical power from the battery to the electromagnet. A sensor generates a signal to the relay switch to activate electrical power to the electromagnet upon sensing that the permanent magnet is positioned with respect to the electromagnet such that a magnetic force generated by the electromagnet would be effective for inducing movement of the permanent magnet and consequent rotation of the disc. | 04-18-2013 |
| 20130099631 | Vertical hobby servo mounts - Hobby servo mounts are provided. In certain circumstances, a servo mount includes a top panel, a bottom panel, and a side panel. The top panel is configured to secure a hobby servo motor to the hobby servo mount. The bottom flange is configured to secure the hobby servo motor and the hobby servo mount to an operational environment. The side panel extends between and connects the top panel and the bottom flange. The top and bottom panels may be approximately parallel to each other, and the side panel may intersect the top and bottom panels perpendicularly or at an angle. | 04-25-2013 |
| 20130106251 | INSTRUMENT FOR ADJOINING TEMPERATURE DETECTING ELEMENT | 05-02-2013 |
| 20130106252 | STATOR FIXING STRUCTURE | 05-02-2013 |
| 20130106253 | ROTATING MACHINE SENSOR | 05-02-2013 |
| 20130106254 | Broad-Pole Type Square-Wave Three-Phase Brushless Permanent Magnet Direct Current Motor and Assembling Method Thereof | 05-02-2013 |
| 20130113342 | INDUCTION MACHINE SHORT CIRCUIT STOP AND METHOD FOR INSTALLATION - An induction machine short circuit stop is interposed between a brace and a machine component, such as a generator building bolt, in order to limit component motion during a short circuit event. The stop is a block of resilient non-conductive material that is oriented proximal the machine component at a desired spaced gap. Gap dimensions may be modified by use of different height stop blocks and/or shims. The stop is affixed to the brace by straps, cordage or fasteners, such as threaded studs. The stop is suitable for retrofitting existing induction machines in the field or in refurbishing service centers. | 05-09-2013 |
| 20130119831 | STARTER - Starter for vehicle-use engine which can detect a rotational speed signal in a stable manner even when a clutch cover is mounted on an outer periphery of a clutch outer of a one-way clutch. The starter D for a vehicle-use engine which transmits a rotational drive force of a stator to a ring gear of a crankshaft by a pinion of the starter includes: a one-way clutch which is arranged between the pinion and an armature shaft of the stator; and a rotational speed detection device which detects a rotational speed of the pinion. A part to be detected for a rotational speed is formed of through holes formed on a circumference of the clutch cover, and a circular circumferential groove formed on an outer peripheral surface of a clutch outer along the circumference on which the through holes are formed. | 05-16-2013 |
| 20130119832 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes: a frame including a first housing portion for housing an electronic component and a second housing portion formed integrally with the first housing portion for housing a rotator and a stator; and a bracket including a first communicating hole communicating with the first housing portion and a second communicating hole communicating with the second housing portion. | 05-16-2013 |
| 20130119833 | ON-VEHICLE MOTOR INCLUDING DETECTOR FOR DETECTING STATE OF MOTOR - A motor mounted on a vehicle includes a housing; a shaft rotatably supported by the housing via a bearing; a rotor fixed to the shaft; a stator; and a detector that detects a rotational speed of the rotor. The stator includes: a stator core disposed at an outer circumferential side of the rotor to face the rotor in the radial direction along which the rotor and the stator are arranged to be adjacent each other; and a stator coil being wound around the stator core, the stator coil having a stator coil end formed at one end side of the stator coil in the axial direction. The detector is disposed between the stator coil end and the bearing that supports both ends of the shaft, and at least a part of detector is disposed to be overlapped in the radial direction with the stator coil end and the bearing. | 05-16-2013 |
| 20130127304 | CURRENT SWITCHING PULSE SERVO - A current switching pulse servo including a motor, an output gear, a pulse pattern plate, and a first conductor. The motor is configured to drive a gear train of the servo. The output gear is configured to be driven by the gear train. The pulse pattern plate includes conductive portions and nonconductive portions. The pulse pattern plate is configured to rotate with the output gear. The first conductor connects the motor to the pulse pattern plate to conduct current from the motor to the pulse pattern plate. | 05-23-2013 |
| 20130134841 | MOTOR FOR ELECTRIC POWER STEERING - Provided is a motor for electric power steering, which prevents a foreign substance from entering the interior of a controller. The motor for electric power steering includes a resolver structure provided between a housing for separating the controller and a resolver from each other and an insulator opposed to the housing so as to surround a fixing portion for fixing base end portions of terminals electrically connected to distal end portions of conductors of coils, the resolver structure preventing a foreign substance from passing between the housing and the insulator to enter the interior of the controller. | 05-30-2013 |
| 20130140963 | MOTOR WITH ENCODER AND ENCODER FOR MOTOR - A motor with an encoder has a motor, and an encoder disposed on the anti-load side of this motor. The motor includes a motor electromagnetic part, and a motor shaft rotatably supported by a load side bearing and an anti-load side bearing, and the encoder includes a hub having a convex part formed in a load side end thereof, the hub being coaxially fixed to an anti-load side end of the motor shaft, and a rotating disc fixed to an anti-load side end of this hub. The convex part of the hub is fitted to a concave part formed in the anti-load side end of the motor shaft so that the hub is fixed to the motor shaft. | 06-06-2013 |
| 20130140964 | MOTOR FOR ELECTRIC POWER STEERING DEVICE - A motor for an electric power steering device, includes: a housing side bearing which is placed on the output side of a shaft of a rotor placed in a frame, and is supported by a housing connected to the frame; and a frame side bearing which is placed on the opposite output side of the shaft of the rotor, and is composed of an outer ring and an inner ring supported by the frame. The motor is controlled by an electronic control unit which is coaxially placed with the rotor, the motor including: a bearing box which supports the frame side bearing, and is formed with a closed end section between the closed end section and the side of the frame side bearing; an axial elastic body which is placed on the closed end section of the bearing box, and applies a preload in an axial direction to the outer ring of the frame side bearing; and a radial elastic body which is placed on the outer circumferential side of the outer ring of the frame side bearing, and applies a preload in a direction perpendicular to the axial direction. | 06-06-2013 |
| 20130154447 | ENCODER AND SERVO MOTOR - An encoder includes a first substrate including a point light source that emits light onto reflective slits formed on a disc and a light-receiving element that receives light emitted from the point light source and reflected by the reflective slits, a second substrate onto which the first substrate is mounted, a lustrous connecting portion configured to electrically connect the first substrate and the second substrate, and a covering material configured to cover the connecting portion in the manner that the point light source and the light-receiving element are exposed. | 06-20-2013 |
| 20130154448 | ELECTRICAL MACHINE FOR A MOTOR VEHICLE - An electrical machine, e.g., a starter motor for a motor vehicle, includes at least one carbon brush for producing an electrical sliding contact with a commutator, and a displacement sensor for detecting wear of the carbon brush. | 06-20-2013 |
| 20130162112 | Motor-Gear Unit - What is disclosed is a motor/transmission unit for a bicycle which is directly fastened or flange-mounted to a bottom bracket housing, in particular a standard bottom bracket housing. The standard bottom bracket housing is arranged between the motor/transmission unit and a chain ring. A part—in particular casing—of the motor/transmission unit which is integrally connected to the frame may be fastened or flange-mounted to the standard bottom bracket housing in accordance with the International Standard Chain Guide Mount (ISCG). | 06-27-2013 |
| 20130162113 | INSTALLATION OF A RESOLVER IN A ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a rotation shaft rotatably installed in a bearing that includes a portion secured onto the shaft and a portion removably attached to a supporting surface connected to a casing. The supporting surface includes an axial abutment for the bearing and a passageway traversed by the shaft. A resolver of the machine includes a resolver stator connected to the casing, and a resolver rotor having a diameter less than that of the passageway. The resolver rotor is attached to the shaft on an opposite side of a drive rotor relative to the bearing. A longitudinal position of parts installed on the shaft is determined such that, during installation, a transverse face of the bearing reaches an entrance of a cavity of the resolver stator before a transverse end of an external radial wall of the resolver rotor of the resolver reaches the entrance of the cavity. | 06-27-2013 |
| 20130162114 | DRIVE - A drive with a motor and devices for coupling the motor to a driving object. The coupling devices include a centrifugal mass which is movable by the motor, and an impact stop, which is connected to the driving object, for the centrifugal mass. | 06-27-2013 |
| 20130169120 | DRILLING MOTOR OPTICAL ENCODER MOUNTING APPARATUS AND METHOD OF INSTALLATION - Control over an electric motor is especially critical in large drilling rigs and a means of accurately and quickly measuring the speed of the rotor of an electric motor and correlating that information with other real-time information has been hampered by the failure of the prior art to attach optical encoders to electric motors with precision. The present device attaches to arbor of a cap on the end of the rotor which provides a centralized and sealed shaft extending through a covering plate on the end of the motor and directly attaching to an optical encoder. | 07-04-2013 |
| 20130175904 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator; a rotor rotating based on a motor shaft with respect to the stator; a housing having a cup shape and receiving the stator and the rotor therein and including a receiving groove at a central portion of a lower surface thereof; a sensor part including a disk coupled to a predetermined position of a lower portion of the motor shaft extended up to the receiving groove and a sensor detecting a rotational state of the disk, and mounted on the outside of the housing; and filter shielding the sensor part. | 07-11-2013 |
| 20130193812 | ROTARY ACTUATOR - An inner ring of a bearing is affixed to an end of the rotor spindle and is immovable relative to the rotor spindle in the axial direction. An outer ring of the bearing is located radially outside of the inner ring via a roller body. An outer ring affixed portion is integrally affixed to the outer ring and is immovable relative to the outer ring in the axial direction. An inner ring receiving portion is located between the inner ring and a bottom portion of a housing and is in contact with the inner ring. | 08-01-2013 |
| 20130200757 | ELECTRIC MACHINE - An electric machine ( | 08-08-2013 |
| 20130221810 | TRANSMISSION ASSEMBLY WITH INTEGRATED MOTOR POSITION SENSOR - A transmission-mounted electric machine includes an integrated rotational position sensor. The rotational position sensor includes a rotor element and a stator element. The stator element is attached to a stator element of the transmission at a plurality of mounting points and includes an alignment adjustment mechanism. The rotor element of the sensor is slip-fit against a shoulder of a rotor hub and held in place using a wave spring. | 08-29-2013 |
| 20130249355 | ELECTRICAL BRUSH HOLDER APPARATUS AND RELATED MONITORING SYSTEM - An apparatus including: a brush holder; a radio frequency identification (RFID) device affixed to the brush holder, the RFID device including: a temperature sensor system for determining temperature(s) at one or more distinct locations on the brush holder; and a transmitter for providing indication of the temperature(s). | 09-26-2013 |
| 20130257230 | HOLLOW DRIVING MODULE - The present invention relates to a hollow driving module comprising a hollow driving module including a hollow motor including a stator, a rotor rotating with respect to the stator and having a perforated center portion, and a rotation shaft disposed at and coupled to the perforated center portion of the rotor; a decelerator connected with the rotation shaft positioned at an output side of the hollow motor to decelerate rotation of the rotation shaft; a torque transmission unit being connected to an output side of the decelerator to be driven by a decelerated rotation angle; a first encoder positioned at an input side opposite to a side connected with the decelerator of the hollow motor; a second encoder positioned at a side opposite to a side connected with the hollow motor of the first encoder; and a link connection means connecting the second encoder with the torque transmission unit. | 10-03-2013 |
| 20130264914 | ELECTROMECHANICAL FLYWHEEL WITH EVACUATION SYSTEM - An electromechanical flywheel machine includes a flywheel mass enclosed in an evacuable housing and an e×ternal gas removal train. | 10-10-2013 |
| 20130264915 | Magnetic Field Angle Measurement Apparatus, Rotation Angle Measurement Apparatus, and Rotation Machine, System, Vehicle, and Vehicle Drive Apparatus Each Using Same Rotation Angle Measurement Apparatus - In a rotation angle measurement apparatus using a bridge configuration of a magneto-resistance element, a correct angle is not output when a fault occurs. For this reason, there is a problem in which an upper-layer system using the same is broken down. However, in order to solve this problem, there is provided a rotation angle measurement apparatus including a SIN bridge and a COS bridge each of which includes a magneto-resistance element and a detection unit, wherein the detection unit outputs an angle signal based on a signal output from a normal half bridge when a fault occurs in any one of respective half bridges of the COS bridge or the SIN bridge. | 10-10-2013 |
| 20130270971 | METHOD OF POSITIONING A SENSOR WITHIN A MOTOR ASSEMBLY - A method for positioning a temperature sensor in association with a heat conductive surface in a lead frame located at an end of a dynamoelectric machine. The sensor is supported to the lead frame by lead wires to position the sensor at a first position spaced from an outwardly facing surface defined on the outer side of the lead frame. A cover member is moved to an attachment location in engagement with an outer side of the lead frame, wherein at least a final portion of the movement of the cover member includes positioning an engagement surface of the cover member into engagement with the sensor and causing the sensor to move closer to the outwardly facing surface to a location defining a second position for the sensor. | 10-17-2013 |
| 20130270972 | MOTOR - A motor is provided with an insert nut | 10-17-2013 |
| 20130278118 | IMPULSE RING FOR A BEARING ASSEMBLY, BEARING ASSEMBLY COMPRISING SUCH AN IMPULSE RING AND ROTARY ELECTRICAL MACHINE COMPRISING SUCH A BEARING ASSEMBLY - This impulse ring ( | 10-24-2013 |
| 20130300262 | Speed Sensor System and Mounting Configuration for Locomotive Traction Motors - A speed sensor system for a locomotive traction motor of the type having a motor frame head adjacent each wheel truck, including a mounting bracket, attachable to the frame head at a prescribed distance from an axis of rotation of the motor and a sensor support portion extending from the inner surface through the ventilation opening and having a hollow tubular portion at the end for releasably receiving and positioning a separate sensor assembly in such a manner that the sensor itself is precisely positioned with respect to the armature gear surface of the traction motor. | 11-14-2013 |
| 20130300263 | DEVICE FOR ACTUATING AN ITEM OF EQUIPMENT THAT CAN BE CONTROLLED AUTOMATICALLY OR MANUALLY, WITH DETECTION OF TAKE-UP OF MANUAL CONTROL - An actuator device for actuating equipment has an electric motor arranged to be connected to an autopilot device and connected by a drivetrain to an outlet shaft, itself designed to be connected to a control instrument, the drivetrain incorporating stepdown gearing dividing the drivetrain into a high-speed segment beside the motor and a low-speed segment beside the outlet shaft. The high-speed segment comprising a deactivator member for deactivating the autopilot device. The deactivator member having a first element secured to a first portion of the high-speed segment; a second element secured to a second portion of the high-speed segment and connected to the first element to allow the first element to be angularly offset relative to the second element when a torque for transmission reaches a predetermined threshold; and a detector member for detecting the angular offset. | 11-14-2013 |
| 20130328454 | ROTOR HUB ASSEMBLY WITH NON-MAGNETIC RESOLVER SHIELDING RING - A hub assembly for an electric machine includes a rotor hub and a machine rotor. Rotation of the machine rotor generates an electromagnetic (EM) field. The hub assembly includes a resolver rotor that encodes an angular position of the machine rotor as a set of resolver signals. An EM field barrier ring between the resolver rotor and the rotor hub adds a magnetic barrier between the machine rotor and the resolver rotor to reduce noise in the resolver signals. The resolver rotor may be bonded to the EM field barrier ring. The EM field barrier ring may have an L-shaped cross section, and may be press-fitted into a pocket of the rotor hub. A vehicle includes a transmission having an input member and an electric machine having a rotor shaft connected to the input member of the transmission. The electric machine includes the hub assembly noted above. | 12-12-2013 |
| 20130328455 | MAGNETIC BEARING ASSEMBLY AND ARRANGEMENT OF POSITION SENSORS FOR A MAGNETIC BEARING ASSEMBLY - The subject matter described herein includes a magnetic bearing assembly and an arrangement of position sensors for the magnetic bearing assembly. In one example the magnetic bearing assembly includes a rotor for fixedly coupling to a shaft for rotating with the shaft. The assembly further includes at least one stator assembly located adjacent to the rotor and circumferentially surrounding the shaft. The stator assembly includes a control coil for magnetically supporting the rotor. The stator assembly further includes a plurality of position sensors that are circumferentially spaced from each other and that extend radially from the stator assembly for measuring an indication of axial displacement of the rotor. | 12-12-2013 |
| 20130328456 | Cross-Interlocked Switch Type DC Electric Machine Having Auxiliary Excitation Winding And Conduction Ring And Brush - The present invention relates to a multi-set switched DC electric machine having conduction ring and brush and having its rotary part of electric machine being installed with an auxiliary excitation winding set, for being connected in series with a magnetic field winding set of electric machine of another electric machine through the auxiliary excitation winding set installed on the rotary part of electric machine, such that the excitation can be variable through altering the current of the magnetic field winding set of electric machine of the another electric machine thereby changing the operational characteristic of the electric machine. | 12-12-2013 |
| 20130328457 | Cross-Interlocked Switch Type DC Electric Machine Having Auxiliary Excitation Winding And Conduction Ring And Brush - The present invention relates to a multi-set switched DC electric machine having conduction ring and brush and having its rotary part of electric machine being installed with an auxiliary excitation winding set, which is served to be driven by the DC power source or by the DC power source rectified from the AC power source, for being connected in series with a magnetic field winding set of electric machine of another electric machine through the auxiliary excitation winding set installed on the rotary part of electric machine, such that the excitation can be variable through altering the current of the magnetic field winding set of electric machine of the another electric machine thereby changing the operational characteristic of the electric machine. | 12-12-2013 |
| 20130334934 | ROTARY ELECTRIC MACHINE - Provided is a rotary electric machine including housings, a stator, a rotor, bearings, a slip ring, a power assembly, a control assembly, a rotation sensor, and a brush holder, in which a switching element mounting surface of the power assembly and a surface of the control assembly, on which a control element of a control circuit is mounted, are placed in parallel to a rotation shaft, and the rotation sensor is placed between the rear bearing and the slip ring. | 12-19-2013 |
| 20130334935 | ONE-PIECE VOLTAGE REGULATOR/BRUSH-HOLDER ASSEMBLY FOR A ROTARY ELECTRICAL MACHINE AND ROTARY ELETRICAL MANCHINE INCLUDING SUCH AN ASSEMBLY - An electrical machine such as an alternator or starter-alternator for a motor vehicle which is fitted with the one-piece voltage-regulator/brush-holder assembly ( | 12-19-2013 |
| 20130334936 | MOTOR WITH ROTOR-MOUNTED CONTROL CIRCUITRY - A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter. | 12-19-2013 |
| 20130342086 | MOTOR - Disclosed is a motor, the motor according to an exemplary embodiment of the present disclosure including a rotation shaft having an alignment groove at a distal end of one side from a rotation center, a sensing magnet disposed at the distal end of one side of the rotation shaft by being mounted on the alignment groove of the rotation shaft, a rotor including a magnet coupled to a periphery of the rotation shaft, and a stator including a core wrapping an ambient of the rotor and wound with a coil. | 12-26-2013 |
| 20140001926 | ASSEMBLING STRUCTURE FOR RESOLVER AND MOTOR ASSEMBLY HAVING THE SAME | 01-02-2014 |
| 20140009043 | ENCODER AND MOTOR DEVICE - An encoder includes a rotary disc, a magnetic detection mechanism, an optical detection mechanism, a first detection signal generator, a second detection signal generator, and a multiple turn detector. The magnetic detection mechanism is to magnetically detect rotation of the rotary disc. The optical detection mechanism is to optically detect the rotation of the rotary disc. The first detection signal generator is configured to generate a first detection signal based on an output from the magnetic detection mechanism. The second detection signal generator is configured to generate a second detection signal having a predetermined phase difference from the first detection signal based on an output from the optical detection mechanism. The multiple turn detector is configured to detect a multiple turning amount of the rotary disc based on the first and second detection signals. | 01-09-2014 |
| 20140015384 | ABSOLUTE ENCODER DEVICE AND MOTOR - The present invention provides an absolute encoder device, including: a permanent magnet including a first magnetic pattern (bipolar) and a second magnetic pattern (multipolar); a first magnetic sensor for detecting a magnetic field of the first magnetic pattern; a second magnetic sensor for detecting a magnetic field of the second magnetic pattern; and a signal processing circuit for calculating an absolute rotation angle of a rotation shaft based on output signals of the first and second magnetic sensors. The first and second magnetic sensors and the signal processing circuit are fixed to a single substrate. The first magnetic pattern is formed on a plane extending in a direction crossing an axial direction inside the permanent magnet, and the second magnetic pattern is formed on an outer peripheral surface of the permanent magnet. | 01-16-2014 |
| 20140021832 | ACTUATOR ASSEMBLY WITH ROTATIONAL POSITION SENSOR - An actuator assembly includes a housing having a central axis, a motor compartment on one end defined about the central axis, a gear compartment on the other end. An electronic rotational position sensor is fixed relative to the housing proximate the motor compartment. A motor assembly is disposed in the motor compartment and has a hollow input shaft extending along the central axis into the gear compartment. An output shaft extends along the central axis and has a lower end extending out of the gear compartment and an upper end extending freely through the hollow input shaft to a point proximate to the electronic rotational position sensor. A gear assembly is supported within the gear compartment for translating rotation of the input shaft to the output shaft. A sensed object is disposed on the upper end of the output shaft opposed to the speed sensor. | 01-23-2014 |
| 20140028160 | ROTARY ELECTRIC MACHINE AND CONTROLLER FOR SUCH AN ELECTRIC MACHINE - A stator has a stator core, and stator windings wound around either the stator core or teeth of the stator. A rotor has a rotor core, windings wound around either the rotor core or teeth of the rotor, and magnetic auxiliary poles disposed between the teeth adjacent in a circumferential direction. The rotor further has diodes that are magnetic characteristic adjustment portions that cause the magnetic characteristic that occurs in the teeth by induced electromotive force produced in the rotor windings to vary in the circumferential direction of the rotor core. | 01-30-2014 |
| 20140035443 | ELECTRIC CYLINDER AND ELECTRIC CYLINDER SYSTEM - An electric cylinder includes: an outer cylinder including, on one end side, a fixing section; a rod configured to be capable of expanding and contracting in an axis direction from an opening on the one end side of the outer cylinder; a bearing provided on the other end side end and on the inside of the outer cylinder; a rotating shaft supported by the bearing and driven to rotate; a screw mechanism configured to convert a rotational motion of the rotating shaft into a linear motion of the rod and transmit the linear motion; and a distortion detecting unit provided on the outer circumference of the outer cylinder. The outer cylinder includes at least two or more division members that can be divided and combined. The distortion detecting unit is provided in one division member among the two or more division members. | 02-06-2014 |
| 20140035444 | ANTI-SEPARATING STRUCTURE OF SENSING MAGNET FOR MOTOR - The present invention relates to an anti-separating structure of sensing magnet for motor, wherein, the coupling between the plate and the sensing magnet is effected by the bent unit formed at the plate and a separate cap member to reinforce the coupling power to axial, horizontal and rotational directions by the mechanical structure, and to improve a structural stability and operational reliability, the structure including a plate formed with a plate insertion hole that vertically penetrates the plate; a sensing magnet formed with a magnet insertion hole corresponding to the plate insertion hole; and a plate-shaped cap member including a coupling lug coupled by penetrating the plate insertion hole and the magnet insertion hole. | 02-06-2014 |
| 20140042876 | Remote Rotor Parameter Sensor for Electric Drives - A rotor parameter sensor can be used for electric drives. A rotor of an electric engine or motor is monitored by a sensor sensing one or more physical observables or operation parameters. Furthermore, a method and system can be used for monitoring an electric engine or motor for use in electric or hybrid vehicles. | 02-13-2014 |
| 20140042877 | Controlling Fan Motors Using Capacitive Sensing - A motor having a rotor, the rotor including a first metal plate having a first size and a second metal plate having a second size arranged on a first surface associated with the rotor. The first metal plate and the second metal plate are arranged adjacent to each other at a predetermined distance from an axis of rotation of the rotor. The first surface rotates perpendicularly about the axis in response to the rotor being rotated about the axis. A stator includes a third metal plate arranged on a second surface associated with the stator. The third metal plate is arranged on the second surface at the predetermined distance from the axis. The second surface is parallel to the first surface and faces the first surface. | 02-13-2014 |
| 20140055010 | POWER GENERATOR INTEGRATED WITH BEARING - A bearing has a first ring ( | 02-27-2014 |
| 20140062266 | FUSE COMPONENT AND ELECTRIC MOTOR INCORPORATING THE SAME - A fuse component ( | 03-06-2014 |
| 20140070672 | VARIABLE RELUCTANCE RESOLVER HAVING INTEGRAL ELECTROMAGNETIC INTERFERENCE SHIELD AND ROTARY ELECTRIC MACHINE HAVING SAME - A variable reluctance resolver including a resolver stator having an annular resolver stator core surrounding an axis, a resolver rotor rotatable about the axis relative to the resolver stator and surrounded by the resolver stator core, and resolver EMI shielding. The resolver EMI shielding includes first and second resolver shields disposed on opposite axial sides of the resolver stator core. The resolver shielding has a relative permeability of at least about 50. Also, an electric machine having such a variable reluctance resolver. | 03-13-2014 |
| 20140070673 | ACTUATOR ARRANGEMENT WITH WORM GEAR AND ROTATIONAL OUTPUT HAVING AN ENCODER - An actuator arrangement having a rotational output includes a power input, a motor, at least an intermediate gear, a solenoid and an output. The power input connects to a source of electrical power. The motor has an output shaft including a worm gear. The motor is operably connected to the power input. The motor and output shaft are rotatably connected to a housing of the actuator. The output gear generates a rotational output at an axis thereof, and is operably coupled to be driven by the at least one intermediate gear. The solenoid is operably connected to the power input, and includes a piston member. The piston member has an actuated and a non-actuated position. The piston member in the actuated position urges the worm gear and the at least one intermediate gear into meshing connection. | 03-13-2014 |
| 20140084757 | ROTATING ELECTRICAL MACHINE - A motor includes: a almost annular stator, a rotor arranged inside the annular ring of the stator for rotating about a central axis, a sensor for detecting the rotation of the rotor, and a sensor board for implementing the sensor. The sensor and the sensor board are arranged outside the stator in the direction along the central axis. The sensor is a reflection type light projecting/receiving sensor. | 03-27-2014 |
| 20140084758 | RESOLVER - A resolver can have a stator installed in a housing simply, without requiring a special jig. In the resolver including a housing and a stator core fixed in the housing, the stator core is fixed to the inside of the housing by rotating relative to the housing. | 03-27-2014 |
| 20140084759 | ELECTROMECHANICAL DEVICE, ROTOR USED FOR ELECTROMECHANICAL DEVICE, AND MOBILE UNIT AND ROBOT WITH ELECTROMECHANICAL DEVICE - An electromechanical device has a rotor and a stator provided on an outer circumference of the rotor. The rotor includes a rotation shaft, a plurality of rotor magnets cylindrically fixed and arranged along an outer circumference of the rotation shaft, and two magnet side yokes fixed and arranged in contact with side surfaces at both sides of the rotor magnets in a shaft direction of the rotation shaft. Overhang parts that suppress the rotor magnets with respect to radiation directions from a center of the rotation shaft toward the outer circumference and limit movements of the rotor magnets in the radiation directions are provided on surfaces of the magnet side yokes in contact with the rotor magnets. | 03-27-2014 |
| 20140091682 | CONTROLLER-INTEGRATED ELECTRIC ROTATING MACHINE AND ASSEMBLING AND DISASSEMBLING METHODS OF THE SAME - In a controller-integrated electric rotating machine configured to assemble a front side semi-manufactured assembly E formed from an electric rotating machine main body | 04-03-2014 |
| 20140097727 | SECURING STRUCTURE FOR FAN SENSING ELEMENT - A securing structure for fan sensing element includes a substrate and a stator. The substrate has a first face and at least one electronic element plug-in connected to the first face. The stator is correspondingly disposed on the substrate. The stator has a silicon steel sheet assembly, a first insulation support and a second insulation support. Two sides of the silicon steel sheet assembly are respectively connected to the first and second insulation supports. The second insulation support is formed with a cavity in a position where the electronic element is positioned, whereby the electronic element is received in the cavity. Accordingly, when assembling the stator and the electronic element, the displacement of the stator and the electronic element can be avoided. In addition, the windings are prevented from being damaged. | 04-10-2014 |
| 20140103783 | DRIVE SYSTEM HAVING A BEARING TILT DETECTION SYSTEM, AND ELECTRIC OR HYBRID VEHICLE HAVING THE SAME - A drive system, in particular for an electric and/or hybrid vehicle, including a static part (S) and a rotatably mounted part (D) and also an electric motor with a stator ( | 04-17-2014 |
| 20140125206 | APPARATUS, BRUSH HOLDER AND SYSTEM FOR MONITORING BRUSH WEAR - An apparatus, brush holder and system are provided. The apparatus includes a main body configured for attachment to a brush holder, and a proximity sensor on the main body. The proximity sensor is configured for detecting the presence of a brush located at least partially inside the brush holder. The apparatus is configured to transmit a wireless signal to a remote location, and the wireless signal is transformable into an indication of a remaining life of the brush. | 05-08-2014 |
| 20140125207 | Motor - A motor includes a rotation shaft having a first recessed portion. The first recess portion includes a bottom surface and a wall surface and a second recessed portion formed in the bottom surface. A rotor having a first magnet surrounds the rotation shaft and rotates together with the rotation shaft. A detector includes a second magnet mounted in the first recessed portion and detects rotation of the rotor. | 05-08-2014 |
| 20140125208 | MOTOR ROTOR STRUCTURE FOR ELECTRIC TURBO CHARGER AND METHOD OF ASSEMBLING SAME - A motor rotor structure for an electric turbo charger is manufactured at low cost with good quality by fixedly fitting, over a shaft, a rotor core having electromagnetic steel sheets pre-formed as an integrated stack. The rotor structure includes a rotor core which is rotated by a magnetic field formed by a stator in a housing; a shaft configured to rotate a compressor impeller and the rotor core together; and a bearing supporting the shaft. The rotor includes the rotor core including the electromagnetic steel sheets; a stopper portion formed at an intermediate portion of the shaft to restrict axial movement of the rotor core; and a pressing unit which presses the rotor core fitted over the shaft against the stopper portion. The pressing unit prevents a circumferential phase shift between the shaft and the rotor core by a pressing force thereof. | 05-08-2014 |
| 20140132122 | MOTOR - A motor includes a shaft, an annular rotor magnet, an armature arranged to cover the rotor magnet, an upper bracket fixed to an axial upper portion of the armature, and a lower bracket fixed to an axial lower portion of the armature. The armature includes an annular core-back, a plurality of magnetic pole teeth protruding radially inward from the core-back, an insulator arranged to cover the magnetic pole teeth, and a coil wound around the magnetic pole teeth through the insulator. The insulator includes an annular core-back insulating portion arranged radially outward of the coil and extended axially upward. The upper bracket is fixed by a plurality of fixing members positioned radially inward of an outer circumferential surface of the core-back. | 05-15-2014 |
| 20140132123 | MAGNETIC ENCODER - Encoder including
| 05-15-2014 |
| 20140132124 | SERVOMOTOR PRODUCTION METHOD, SERVOMOTOR PRODUCTION DEVICE, SERVOMOTOR, AND ENCODER - This disclosure discloses a servomotor production method of a servomotor including a motor and an encoder. The encoder includes a rotating disk and an optical module. The rotating disk is mounted on a shaft of the motor and includes at least one concentric slit formed around a disk center. The optical module is provided with a light receiving element configured to receive light emitted from a light source and subjected to an action of the concentric slit on a substrate. The servomotor production method includes adjusting a position of the optical module with respect to the rotating disk by using the concentric slit by means of an output of the light receiving element when the optical module is fixed and arranged facing the rotating disk. | 05-15-2014 |
| 20140139078 | BRUSHLESS MOTOR - A brushless motor includes a magnet rotor including a rotational shaft and a permanent magnet, the magnet rotor rotatable about the rotational shaft, a stator including plural teeth provided at a radial position being opposed to a circumferential surface of the magnet rotor, and a magnetic sensor for detecting a rotation position of the magnet rotor on the basis of a leakage magnetic flux of the magnet rotor leaking in an axial direction of the rotational shaft. The permanent magnet includes a short-sized portion provided at an axial end portion thereof facing the magnetic sensor, the short-sized portion having a shorter length than an entire radial dimension of the permanent magnet. | 05-22-2014 |
| 20140139079 | ROTOR AND BRUSHLESS MOTOR - A rotor includes a first rotor core, a second rotor core, a field magnet, and a detected portion. The first rotor core includes a first core base and a plurality of first claw-shaped magnetic pole portions. The second rotor core includes a second core base and a plurality of second claw-shaped magnetic pole portions. The first and second core bases face to each other, and the first and second claw-shaped magnetic pole portions are alternately arranged in the circumferential direction. The field magnet is located between the first and second core bases in the axial direction. The field magnet has the first claw-shaped magnetic pole portion function as a first magnetic pole and has the second claw-shaped magnetic pole portion function as a second magnetic pole. A detected portion, which generates a magnetic flux, is arranged at an outer axial end surface of the first rotor core. | 05-22-2014 |
| 20140145564 | ROTARY ELECTRIC MACHINE - A housing and a rotary shaft of a motor are formed of non-magnetic material. A soft magnetic member is provided between a first axial end surface of a fixed core and a bearing. The soft magnetic member is provided on the fixed core side relative to the first bearing thereby to suppress magnetic flux leaking to a vicinity of one end part of the rotary shaft by leading the magnetic flux, which is generated from a rotor, to the rotor core through the fixed core and a casing. A magnetic angular position sensor fixed to one end part of the rotary shaft can detect a magnetic angular position of the rotor accurately without being affected by external magnetic field. As a result, noise generated by vibration of the motor can be suppressed. | 05-29-2014 |
| 20140159550 | Subsurface Motors with Fiber Optic Sensors - Subsurface motors for use with electrical submersible pump which include one or more optic fiber sensors to detect operational parameters of the motor such as temperature, vibration and pressure. Optic fiber sensors are disposed a ally along a pathway within unsealed portions of the motor. | 06-12-2014 |
| 20140159551 | LINEAR AND ROTARY ACTUATOR SYSTEM - A linear and rotary actuator system includes a shaft member moving linearly in an axial direction and rotating around an axis line, a hollow rotor surrounding the shaft member, a stator of a rotary motor having a space for holding the rotor and which rotates the rotor around the axis line, linear bearings, that rotates together with the rotor to transmit rotation of the rotor of the rotary motor to the shaft member and accepts linear movement of the shaft member, an angle measuring unit for measuring a rotation angle of the rotor, and a rotary motor driver for controlling the rotary motor in such a manner that the rotation angle of the rotor of the rotary motor measured by the angle measuring unit conforms to a command value. The rotation angle of the shaft member is controlled by controlling the rotation angle of the rotor of the rotary motor. | 06-12-2014 |
| 20140167572 | MOTOR AND SENSING MAGNET OF THE SAME - Provided are a motor and a sensing magnet of the motor. The sensing magnet includes a through hole that is positioned at a center portion thereof, and a plurality of poles which are formed along an outer periphery thereof. Here, the plurality of poles includes a first pole and a second pole extending from the first pole in a direction of the through hole. | 06-19-2014 |
| 20140167573 | MOTOR DRIVE FOR ACTUATING A STEP SWITCH - The invention relates to a motor drive for actuating a step switch, consisting of a drive motor, a load transmission, and a control transmission. Means for detecting a torque are provided in the housing of the motor drive, said means consisting of a radio-requestable surface wave sensor, a rotor antenna, and a stator antenna. | 06-19-2014 |
| 20140175952 | CIRCUIT STRUCTURE ENABLING UPGRADED MOS TRANSISTOR HEAT DISSIPATION ABILITY - A circuit structure applied to a motor and enabling upgraded MOS transistor heat dissipation ability is disclosed. The circuit structure includes a motor driving unit and a signal processing unit. The signal processing unit is connected to the motor driving unit for maintaining a first and a third switch of the motor driving unit at a constant turn-on voltage and boosting turn-on voltages of a second and a fourth switch of the motor driving unit, so as to effectively upgrade the heat dissipation ability of the first, second, third and fourth switches. | 06-26-2014 |
| 20140184030 | INTEGRATED MULTI-TURN ABSOLUTE POSITION SENSOR FOR HIGH POLE COUNT MOTORS - Absolute multi-turn position sensing integrated within the structure of a hybrid stepper motor implemented by sharing the magnetic structure of the motor with the sensing means. An alternating magnetic field is obtained from a single magnet within the stepper motor rotor by use of alternating flux paths directed to large Barkhausen jump effect sensing elements. Pulses generated from the large Barkhausen sensing are decoded electronically and stored in a non-volatile memory to absolutely locate the motor position within a fraction of 1 electrical cycle of the motor over an arbitrary range. This coarse position sensing can optionally be extended by use of a higher resolution absolute within-electrical-cycle sensing means to provide integrated high resolution position sensing over an arbitrary number of revolutions. | 07-03-2014 |
| 20140184031 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes: a stator core fixed to a casing; a coil end formed on the stator core; a bracket fixed to the casing; an arm that extends from the bracket and that is made of metal and that has elasticity; a holder that is attached to the arm and that is made of resin; and a sensor that is attached to the holder and that contacts the coil end to detect temperature of the coil end. | 07-03-2014 |
| 20140191624 | Electric Motor/Generator - Certain embodiments are directed to devices, methods, and/or systems that use electrical machines. For example, certain embodiments are directed to an electrical machine comprising: at least one stator at least one module, the at least one module comprising at least one electromagnetic coil and at least one switch, the at least one module being attached to the at least one stator; at least one rotor with a plurality of magnets attached to the at least one rotor, wherein the at least one module is in spaced relation to the plurality of the magnets; and the at least one rotor being in a rotational relationship with the at least one stator, wherein the quantity and configuration of the at least one module in the electrical machine is determined based in part on one or more operating parameters; wherein the at least one module is capable of being independently controlled; and wherein the at least one module is capable of being reconfigured based at least in part on one or more of the following: at least one operating parameter during operation, at least one performance parameter during operation, or combinations thereof. Other embodiments are also disclosed. | 07-10-2014 |
| 20140191625 | ABNORMALITY DETECTION SYSTEM FOR ROTATION ANGLE SENSOR - In an abnormality detection system for a rotation angle sensor, a fact that an abnormality has occurred in one of sine signals (S | 07-10-2014 |
| 20140191626 | Spherical Induction Motor - Systems and methods are provided for an induction motor. An induction motor includes a spherical rotor and a plurality of curved inductors positioned around the spherical rotor. The plurality of curved inductors are configured to rotate the spherical rotor continuously through arbitrarily large angles among any combination of three independent axes. | 07-10-2014 |
| 20140191627 | MAGNETIC LOAD SENSOR FOR USE IN A LINEAR MOTION ACTUATOR, AND A LINEAR MOTION ACTUATOR - A magnetic load sensor unit ( | 07-10-2014 |
| 20140191628 | PERMANENT MAGNET MOTOR - A permanent magnet motor in which electromagnetic excitation force of low spatial order is reduced, and influence of a magnetomotive force harmonic of a rotor and torque ripple is reduced. One set of armature windings receives current from a first inverter, and another set of armature windings receives current from a second inverter. Where a pole number of a rotor is M and the number of slots of a stator core is Q, M and Q satisfy M| 07-10-2014 |
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| 20140197716 | ROTATING ELECTRIC MACHINE AND POWER TRANSMISSION DEVICE (AS AMENDED) - Provided is a compound motor ( | 07-17-2014 |
| 20140210319 | Motor With Rotor Positioning Component - A motor includes a base, a rotor unit and a driving unit. The base has opposite first and second surfaces. The rotor unit includes a magnet unit disposed on a rotatable magnet carrier to face the first surface of the base. The driving unit includes induction coils disposed on a circuit board, a sensor unit that is disposed on the circuit board and spaced apart from the induction coils and that defines a first reference line with the rotation axis, and a rotor positioning component disposed on the second surface of the base, extending along a second reference line, and capable of magnet attraction with the magnet unit for positioning the rotor unit relative to the sensor unit when the rotor unit stops rotating. | 07-31-2014 |
| 20140246958 | ROTATING ELECTRIC MACHINE - A rotating electric machine has a semiconductor magnetic sensor and a cylindrical housing with a cylinder part, which is made of a soft magnetic material, positioned closer to the semiconductor magnetic sensor relative to a back yoke of a stator core. The semiconductor magnetic sensor is positioned away from the cylindrical housing so that a shortest distance between a center of the semiconductor magnetic sensor and the cylindrical housing is equal to or greater than 50 times of a sum of a first space distance and a second space distance. With such an arrangement, a leak magnetic field generated by magnetic poles that leaks in an axial direction is prevented from disturbing the semiconductor magnetic sensor. Thus, a rotation position detection accuracy of the semiconductor magnetic sensor is improved. | 09-04-2014 |
| 20140252923 | INTEGRATED CONTAINER-TYPE TORQUE SENSOR MOTOR - An integrated container-type torque sensor motor is provided. Disposed on a motor housing along the direction of a motor shaft is a hollow cavity formed by a ring-shaped protrusion; contained in the hollow cavity is a fixed guiding slip ring; the fixed guiding slip ring dynamically matches with a floating sensor ring assembly having ratchet teeth and a magnetic steel piece; the ratchet teeth of a flywheel mating with the cogging distributed in a ring shape in a sensor ring having ratchet teeth; disposed on the motor shaft is a Hall element, the magnetic steel piece cooperating with the Hall element by means of magnetic induction, thereby outputting an electric signal to control a vehicle to enhance the force for rotation. For this motor, all Hall elements are disposed on the motor housing, thereby solving the conflict between function configuration and space occupation, and enabling significant magnetic induction effects. | 09-11-2014 |
| 20140265740 | ACCELEROMETER - An accelerometer including a metal housing and at least one of an integrated piezoelectric sensor and an integrated electronic piezoelectric (IEPE) amplified sensor within the housing. A metal boot extends from the housing and a plurality of sensor wires extends from the sensor into the boot. The accelerometer also includes a metal cable sheath connected to the boot having a plurality of cable wires insulated by a metal oxide powder contained by the sheath. At least one of the plurality of sensor wires is connected to at least one of the plurality of cable wires within the boot. The housing, the boot, and the metal cable sheath provide a sealed enclosure for the at least one sensor, the plurality of sensor wires and the plurality of cable wires. | 09-18-2014 |
| 20140300253 | Linear Actuator - A linear actuator with an electric drive device includes a stator and a rotor, wherein the stator is arranged in a fixed location in a drive housing and the rotor is mounted for rotary motion relative to the stator and with a transmission arrangement which is arranged coaxial with an axis of rotation of the drive device to convert the rotary movement of the rotor into a linear movement, wherein a threaded spindle of the transmission arrangement is non-rotatably connected to the rotor and positively coupled to a spindle nut slidably accommodated in the drive housing and connected to a torque tube, which extends along the axis of rotation, and wherein a brake device is assigned to the rotor and/or to the threaded spindle. | 10-09-2014 |
| 20140300254 | MOTOR, MOTOR SYSTEM, AND MOTOR ENCODER - A motor according to an embodiment includes a motor body, a rotating body, and a magnetic field sensor. The motor body rotates a shaft about the axis line thereof. The rotating body includes a permanent magnet and rotates along with the rotation of the shaft. The magnetic field sensor includes a magnet body having a large Barkhausen effect with the long direction thereof serving as the easy magnetization direction and is positioned to face the permanent magnet when the rotational position of the rotating body is at a given rotational position. The easy magnetization direction of the magnetic body is in a direction along a plane orthogonal to the rotation center line of the rotating body. | 10-09-2014 |
| 20140312746 | ROTARY ELECTRIC MACHINE AND DRIVING APPARATUS USING THE SAME - A motor includes a stator core fitted to a cylindrical portion of a case, a rotor core being rotatable in the stator core, soft magnetic poles radially extending from the rotor core, and magnet poles disposed between the soft magnetic poles. The case includes a bottom portion having a ring-shaped plate portion, a protrusion portion, and a bearing-supporting portion extending from the protrusion portion. A condition that L2≧t and a condition that L1≧L2 are met, wherein t represents a thickness of the bottom portion, L1 represents a distance in an axial direction between a side surface of the ring-shaped plate portion close to the stator core and a protrusion end of the protrusion portion close to the rotor core, and L2 represents a distance in the axial direction between the side surface and an end surface of a bearing opposite to the rotor core. | 10-23-2014 |
| 20140319976 | HOBBY SERVO MOTOR LINEAR ACTUATOR SYSTEMS - Hobby servo motor linear actuator systems are provided. In certain circumstances, a linear actuator system includes a lead screw attachment mechanism and a lead nut. The lead screw attachment mechanism is configured to be rotatably connected to an output shaft of a hobby servo motor assembly. The lead nut is configured to move linearly along the lead screw attachment mechanism as it is rotated. The system is optionally either open-looped or closed-loop. The lead screw attachment mechanism has an outer surface that can include multiple different types of threads such as, but not limited to, gear teeth and screw threads. The hobby servo motor assembly may include one hobby servo motor or multiple hobby servo motors that work together. | 10-30-2014 |
| 20140327345 | NOISE SHIELD UNIT IN WOUND ROTOR SYNCHRONOUS MOTOR (WRSM) MOTOR - A noise shield unit in a WRSM drive motor has a rotor wound with coils with a slip ring disposed thereon. A brush is mounted to a brush holder to be in contact with the slip ring, and a position sensor is mounted to an end portion of the rotor. The noise shield unit may include a shield plate of a magnetic material mounted between the brush holder and the position sensor. | 11-06-2014 |
| 20140339965 | BRUSH HOLDER ASSEMBLY MONITORING APPARATUS, ASSEMBLY, SYSTEM AND METHOD - Methods and systems for monitoring a brush holder assembly and/or detecting wear of a brush in a brush holder assembly are disclosed. One method includes sending data from a plurality of remote monitoring locations to a central control unit, where the data may be evaluated in order to monitor states of brushes at a plurality of remote electrical facilities. For example, multiple images of a marker tracking longitudinal movement of the brush may be acquired. A comparison of the images, for example, a comparative imaging technique, such as pixel-by-pixel comparison, may then be performed in order to evaluate a condition of the brush, such as the wear rate, wear state, or life expectancy of the brush. | 11-20-2014 |
| 20140354118 | ENCODER FOR A COMPACT REVOLUTION TRANSMITTER AND ELECTRIC MOTOR WITH A COMPACT REVOLUTION TRANSMITTER - An encoder is provided for a revolution transmitter, in particular for an electric motor, for sampling a rotationally symmetrical material measure. The encoder comprises at least one integrated sensor circuit, where the integrated sensor circuit is designed in a flexible manner and applied to a likewise flexible circuit board, and where the integrated sensor circuit and the circuit board form a flexible sensor unit and the sensor unit is curved outwardly from a plane. A revolution transmitter with an encoder, as well as an electric motor with such a revolution transmitter, are also provided. | 12-04-2014 |
| 20140354119 | PERMANENT MAGNET-TYPE ROTATING MACHINE | 12-04-2014 |
| 20140361667 | ACTUATOR - An actuator includes a DC motor having two terminals to be fed with DC power, an output gear driven by the DC motor, a potentiometer having an arc resistive element with two ends and an electrically conductive wiper that moves along the resistive element, and two diodes. The wiper rotates with the output gear to provide a signal indicative of the rotational position of the output gear. The anodes of the two diodes are both electrically connected to one end of the resistive element, and the cathodes of the two diodes are electrically connected to the two terminals of the motor respectively. | 12-11-2014 |
| 20140368093 | Multiple Field Motor Controller - An electric motor including a first conductive winding, a second conductive winding, a rotor, and a controller is disclosed. When energized by an AC source, the first conductive winding generates a first magnetic field. The second conductive winding, which is configured to be selectively energized by the AC source via one or more switches, is arranged so as to generate a second magnetic field superimposed with the first magnetic field when so energized. The rotor magnetically interacts with the first magnetic field, or the superimposed first magnetic field and second magnetic field, such that a torque is applied on the rotor. The controller is configured to: (i) obtain a measurement of a voltage of the AC source; (ii) make a determination, based on the measurement, whether to energize the second conductive winding; and (iii) energize the second conductive winding in accordance with the determination. | 12-18-2014 |
| 20140368094 | AC GENERATOR - In an AC generator, a protective cover includes a locking claw provided so as to extend outward in an axial direction from an open-side end surface of a peripheral wall portion. The locking claw includes an axial portion and a claw portion provided so as to project radially from an end portion of the axial portion. The locking claw is configured to be locked to a casing. The protective cover also includes a locking-claw restricting portion formed on an outer peripheral edge portion of a bottom portion. | 12-18-2014 |
| 20150008800 | INTEGRAL HOUSING LOAD CELL SYSTEM AND APPARATUS - A strain gage system for an electric motor actuator is provided. The strain gage system may be coupled to or integrally formed in a housing of the electric motor actuator. In various embodiments, the strain gauge system may comprise one or more principle strain gages. In various embodiments, the strain gage system may comprise one or more transverse strain gages. | 01-08-2015 |
| 20150008801 | ACTUATOR FOR DRIVING A HOME-AUTOMATION SCREEN AND INSTALLATION COMPRISING SUCH AN ACTUATOR - This actuator for driving a home-automation screen includes an electric motor (M), a reduction gear (R) for transmitting the movement of the motor to the home-automation screen and a brake. The actuator includes a direct current electronic switching motor (M) and a mechanical brake (2) having a continuous drag torque. | 01-08-2015 |
| 20150008802 | ENCODER SENSOR MOUNTING BODY, DRUM DISK ENCODER, AND MOTOR WITH ENCODER USING SAME - In order to make it possible to be readily attachable and detachable with respect to a motor and capable of realizing a lead-free encoder sensor mounting body, an encoder sensor is detachably or fixedly attached on a base, the base being pressedly in contact with an electrode terminal of the motor and including a pressing contact part that is electrically connected to a power line, and thus the base is detachably fixed to an end surface of the motor by a pressing force of the pressing contact part. | 01-08-2015 |
| 20150015126 | Transverse Magnetic Flux Rotating Electrical Machine and Vehicle - According to an embodiment, a rotating electrical machine includes a rotor and a stator. The rotor includes a first coil, first magnetic poles and second magnetic poles. The stator includes a second coil, third magnetic poles and fourth magnetic poles. One of a first magnetic pole and a second magnetic pole opposite to the first magnetic pole is formed such that a leading end of the one of the first magnetic pole and the second magnetic pole lies opposite a central portion of an opposite surface of the stator. One of a third magnetic pole and a fourth magnetic pole opposite to the third magnetic pole is formed such that a leading end of the one of the third magnetic pole and the fourth magnetic pole lies opposite a central portion of an opposite surface of the rotor. | 01-15-2015 |
| 20150022063 | INDUCED DRAFT FAN - An induced draft fan, including: a housing, a wind wheel, an AC motor, and a controller. The controller includes: an AC-DC conversion circuit, a microprocessor, a Hall sensor, a drive circuit, and a relay. The input end of the AC-DC conversion circuit is connected to an external AC input, and the output end of the AC-DC conversion circuit supplies a DC current to each circuit part. The input end of the relay is connected to the external AC input, and the output end of the relay supplies power for corresponding parts. A magnetic ring is disposed on a rotating shaft of the AC motor. The Hall sensor is disposed close to the magnetic ring for detecting a signal of a rotational speed of the AC motor and inputting the signal of the rotational speed into the microprocessor. The microprocessor controls energization or deenergization of the relay. | 01-22-2015 |
| 20150022064 | DRIVING APPARATUS - A driving apparatus includes a first electrical rotating machine, a second electrical rotating machine, a first resolver, and a second resolver. The first resolver is configured to detect a rotation angle of the first electrical rotating machine. The second resolver is configured to detect a rotation angle of the second electrical rotating machine. The first and second electrical rotating machines and the first and second resolvers are coaxially disposed inside a casing. The first resolver and the second resolver are provided between the first electrical rotating machine and the second electrical rotating machine. | 01-22-2015 |
| 20150048724 | CONTROL APPARATUS FOR CONTROLLING ROTATION OF JOINTS OF ROBOT - A joint of a robot includes a driving motor, a speed reducer that reduces rotation of an output shaft of the motor, and an arm connected to the speed reducer. The joint includes an input encoder that detects a rotational position of the motor and an output encoder that detects a rotational position of the arm. A controller controls the motor based on data indicating the rotational positions of the motor and the arm detected by the input encoder and the output encoder, respectively. The input encoder is arranged with a register that latches and retains an input EC value. The output encoder includes a register that latches and retains an output EC value, and an edge pulse output section that outputs an edge pulse to both registers every time the output EC value changes. In response to the edge pulse, both registers concurrently output EC values to the controller. | 02-19-2015 |
| 20150054389 | HOMOPOLAR PERMANENT-MAGNET-BIASED ACTION MAGNETIC BEARING WITH AN INTEGRATED ROTATIONAL SPEED SENSOR - Radial poles are placed around a radial actuator target mounted on a body. The poles are separated from a cylindrical surface of the target by radial gaps and adapted to communicate a magnetic flux with it. The radial poles are equipped with electrical control windings and magnetically coupled to form magnetic control circuits. A flux return pole is adjacent to the body, separated from it by an air gap and adapted to communicate a magnetic flux with the radial actuator target. A permanent magnet generates a magnetic bias flux in the magnetic bias circuit formed by the radial actuator target, the radial poles and the magnetic flux return pole. A radial force is exerted on the actuator when the control windings are energized with a current. A Hall effect sensor measures bias magnetic field in the air gap between the magnetic flux return pole and the body. A feature on a body is adapted to produce a circumferentially local discontinuity in the magnetic field measured by the Hall effect sensor as the body rotates. | 02-26-2015 |
| 20150061471 | POSITION SENSING TECHNIQUES - An apparatus includes a housing which defines a longitudinal axis; a positioning element which, relative to the housing, translates linearly along the longitudinal axis; and a rotational member which, relative to the housing, rotates about the longitudinal axis as the positioning element translates linearly along the longitudinal axis. The rotational member defines a helix to receive torque from the positioning element as the positioning element translates linearly along the longitudinal axis. The apparatus further includes a first sensor assembly to detect minor angular displacement of the rotational member (e.g., less than 360 degrees). The apparatus further includes a second sensor assembly to detect major angular displacement of the rotational member (e.g., a number of full 360 degree rotations). Such detection is capable of identifying a full angular displacement of the rotational member in response to linear translation of the positioning element from an initial position to a sensed position | 03-05-2015 |
| 20150076972 | BEARING ARRANGEMENT IN AN AXIAL DRIVE - The invention relates to a drive device, particularly comprising an internal rotor motor, with a motor housing, a stator for a winding and a rotor having at least one permanent magnet, wherein the motor housing has a housing part extending substantially radially on one side of the stator and the rotor has two rotor bearings. The rotor bearings are arranged on the substantially radially extending housing part or on a part connected thereto which extends substantially axially. | 03-19-2015 |
| 20150102709 | STATOR ASSEMBLY FOR MOTOR - Disclosed herein is a stator assembly for a motor including: a stator core which includes a rounded base having a plurality of first holes formed in the vertical direction and a plurality of teeth radially formed on the outer circumferential surface of the base; an insulation coating layer formed on the entire surface of the stator core except the inner face of the base and the periphery of the first hole; and one or more connection parts connected to the rounded base. | 04-16-2015 |
| 20150108878 | ACTUATOR POSITION SENSING - Methods and systems for measuring angular position include measuring an angular position within one rotation of a primary gear and a secondary gear that are meshed together. The primary gear and secondary gear have a first and second number of teeth respectively, where the first number of teeth and the second number of teeth are different. An angular position for the secondary gear is estimated using the measured primary gear angle and a reference value for each of the primary and secondary angle sensors. A number of primary gear rotations is calculated using the estimated angular position for the secondary gear and the measured angular position of the secondary gear. An angular position of the primary gear is calculated over multiple rotations using the calculated number of primary gear rotations, a reference value for the primary angle sensor, and the measured angle value of the primary gear within one rotation. | 04-23-2015 |
| 20150108879 | ENCODER AND SERVOMOTOR - An encoder includes a disc having one or more slit arrays having multiple slits aligned in a circumferential direction of the disc, and an optical module positioned to face a portion of the slit array such that the slit array moves relative to the optical module in the circumferential direction of the disc. The optical module includes two or four light sources aligned along a direction corresponding to the circumferential direction and one or more light receiving arrays aligned along the direction corresponding to the circumferential direction, the light sources are positioned to irradiate light upon a portion of the slit array, and the light receiving array includes multiple light receiving elements positioned to receive the light irradiated by the light sources and light affected by actions of the slits. | 04-23-2015 |
| 20150115778 | INTEGRAL ACTUATOR DESIGN - An integrated actuator drive unit (ADU) assembly for an electric motor actuator is disclosed. The integrated ADU assembly may comprise at least one of an integrally formed ring gear, an integrally formed thrust bearing and integrally formed load cell. The integrated ADU assembly may comprise a portion of an electromechanical actuator. The electromechanical actuator may be utilized for aircraft braking systems. | 04-30-2015 |
| 20150115779 | LOAD CELL ON EMA HOUSING WITH TRIM RESISTORS - A instrumented housing for an electric motor actuator is provided. The instrumented housing may have a ribbon gage coupled to a housing of an electrical motor actuator. The ribbon gage may have one or more strain gages. The strain gages may measure the tension on the housing when the electric motor actuator exerts a load. A cover may extend over at least a portion of the housing and ribbon gage. | 04-30-2015 |
| 20150130328 | HALL SENSOR COVER AND MOTOR USING THE SAME - Disclosed is a hall sensor cover comprising: mag-mate terminal portions each having a mag-mate terminal having a coil insertion slit formed thereon and a power terminal pin extended toward one side direction of the mag-mate terminal; and a power connector portion having a base having mag-mate terminal insertion slots formed to insert the mag-mate terminal portions thereinto and power terminal insertion portions each adapted to insert the power terminal pin thereinto, wherein the power connector portion is coupled to the end portions of teeth of an insulator. | 05-14-2015 |
| 20150295476 | BRUSHLESS MOTOR - A brushless motor includes: a columnar rotor including magnets; a stator including at its center a space for placing the rotor; a housing member that houses the rotor and the stator; and a detector that detects a signal dependent on a rotational position of the rotor based on variation in a magnetic field associated with a rotation of the rotor. | 10-15-2015 |
| 20150303764 | Robot Having Isolated Stator and Encoder - An apparatus including a housing; a motor having a stator and a rotor, where the stator is connected to the housing; an environment barrier extending between the stator and the rotor; and a sealing system connecting the environment barrier with the housing. The sealing system includes a first seal interface and a second seal interface. The first seal interface connects to the housing at a first diameter which is at least partially less than or equal to an inner diameter of the stator. The second seal interface connects to the housing at a second diameter which is at least partially greater than or equal to an outer diameter of the stator. | 10-22-2015 |
| 20150303775 | DC MOTOR INCLUDING A ROTATION DETECTION UNIT - A direct current (DC) motor including: a cylindrical frame, at least one end of which is open; a cylindrical end cover including an opening configured to block the at least one open end; a rotor including a rotor shaft supported by the frame and the end cover, and a rotor core installed on the rotor shaft; a commutator installed on the rotor shaft and arranged on one end of the rotor core; a cover unit installed on the rotor shaft, arranged between the rotor and the commutator, and including at least one location detection device; and a rotation detection unit installed in the end cover and configured to detect the at least one location detection device. | 10-22-2015 |
| 20150303780 | STATOR HAVING THREE-LINE CONNECTION STRUCTURE, BLDC MOTOR USING SAME, AND DRIVING METHOD THEREFOR - Provided are a stator having a three-coil wiring structure, a BLDC motor using the same, and a driving method thereof, in which coils are wound by using a three-coil wiring method, to thus minimize a ratio between slots and poles, and to thereby reduce cogging noise, and a gap between cores is set small, to thus increase an effective area between a magnet and a core and to thereby reduce leakage magnetic flux. The BLDC motor includes: a stator having a plurality of split cores that are disposed between an inner rotor and an outer rotor, and on which coils of three phases are connected and wound in a three-phase drive method, in which the plurality of split cores include a number of core groups in which the coils of the respective phases are wound on three consecutive split cores in sequence of a forward direction, a reverse direction, and a forward direction, and the three consecutive split cores generate magnetic flux in opposite directions to each other. | 10-22-2015 |
| 20150303782 | ELECTRICAL MOTOR AND ELECTRICAL GENERATOR DEVICE - The present invention provides methods and systems for an electrical motor or power generator device that includes a housing having a front end cap and a rear end cap, and a shaft rotationally engaged to the front end cap and rear end cap. The device includes at least one in-line stator including an external ring disposed around a centrally located bore for receiving the shaft, and at least one opening within the external ring for receiving a coil assembly. The device further includes at least one in-line rotor that includes a plate with a centrally located bore for receiving the shaft, and at least one opening within the plate for receiving a magnet assembly. | 10-22-2015 |
| 20150308857 | ROTATION ANGLE SENSOR PROVIDED WITH PEDESTAL AND ROTARY MACHINE - A rotation angle sensor for detecting a rotation angle of a shaft of the motor or shaft of a machine which is driven by a motor, equipped with a detected part at an outer circumferential part of a rotary body attached to the shaft and a detection element facing the detected part provided on a pedestal which is surrounding the shaft, wherein a recessed part which is provided at the pedestal is formed with an abutting surface which abuts against an end face of the detection element at the side far from the shaft of the detection element, the distance of the abutting surface from the axial line is made different along the peripheral direction of the pedestal, and a position of the detection element abutting against the abutting surface is moved in the peripheral direction so as to adjust the difference between the rotary body and the detection element. | 10-29-2015 |
| 20150316428 | Rotational Drive Device - The structure for detecting tooth-skipping of the speed reducer of the rotary driver is reduced in weight and size. In the rotary driver the occurrence of tooth-skipping is detected based on the difference in outputs from the encoders located at the input side (the side of the motor) and at the output side (the side of the load), which is opposite the input side in relation to the speed reducer. The rotary driver comprises a motor, a speed reducer located between the motor and a load to reduce the rotary speed of a rotary shaft at the side of the motor, to thereby transmit the reduced rotary speed to a rotary shaft at the side of the load, a first encoder for detecting a rotation of the rotary shaft at the side of the motor, a second encoder for detecting a rotation of the rotary shaft at the side of the load, a section for detecting any difference between a first detected value that is obtained by dividing an output of the first encoder by a rate for reducing the speed by the speed reducer and a second detected value that is obtained from an output of the second encoder, and a section for detecting tooth-skipping that detects tooth-skipping of the speed reducer based on the difference. | 11-05-2015 |
| 20150318774 | PERMANENT MAGNET MACHINE WITH HYBRID CAGE AND METHODS FOR OPERATING SAME - A permanent magnet machine with a hybrid cage and methods for operating same are disclosed. According to one aspect, the subject matter described herein includes a rotor and hybrid cage for an electrical machine, the rotor comprising a rotor body having a central axis and including a plurality of permanent magnets positioned to create a plurality of rotor magnetic poles distributed around a peripheral surface of the rotor. The rotor also includes a hybrid cage that includes conductive loops around each of the rotor magnetic poles, where the conductive loops are controllable to form a closed circuit or an open circuit around each of the rotor magnetic poles. A closed circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is present, such as during a fault condition, and an open circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is not present, such as during normal operation. | 11-05-2015 |
| 20150326097 | METHOD AND STRUCTURE FOR MOUNTING SENSOR SUBSTRATE OF BRUSHLESS MOTOR - The present invention provides a method and a structure for mounting a sensor substrate of a brushless motor, in which a rotation detection element is arranged near a permanent magnet of a rotor and the sensor substrate can be securely mounted with a simple method, and thus, it is not necessary to elongate the dimension of the permanent magnet of the rotor in an axial direction. In the present invention, insulating members that insulate a location for winding of a stator coil from an outside are formed on a stator core ( | 11-12-2015 |
| 20150326100 | ELECTRONICALLY CONTROLLED UNIVERSAL MOTOR - An electric motor apparatus and method of controlling the same are provided. The electric motor apparatus includes a stator and a rotor rotationally mounted coaxially with the stator; an intermediate screen having a magnetic material and rotationally mounted between the stator and the rotor to provide magnetic screening between the rotor and the stator; and control circuitry to control power supplied to windings on the rotor and the stator in dependence upon a desired output rotational speed. | 11-12-2015 |
| 20150333574 | POWER GENERATING APPARATUS USING MAGNETIC FORCE AND CONTROL METHOD - Provided is a power generation device using magnetic force, the power generation device comprising: a plurality of tunnel-type bodies ( | 11-19-2015 |
| 20150340932 | GRAVITY-ASSISTED ROTATING DRIVING APPARATUS - A gravity-assisted rotating driving apparatus is connected with a horizontal rotating shaft and includes a frame, a pendulum unit, at least one electromagnetic unit, and at least one sensor switch unit. The frame is mounted on the rotating shaft and has an inner space formed inside the frame. The pendulum unit is located in the inner space of the frame and is rotatably mounted on the rotating shaft to form a rotation path. The at least one electromagnetic unit is disposed in the inner space and is arranged along the rotation path. The at least one sensor switch unit is mounted in the frame and is disposed in the inner space. When the pendulum unit passes the adjacent sensor switch unit, the corresponding sensor switch unit controls the corresponding electromagnetic unit to start or stop generating magnetic force and to rotate the pendulum unit. | 11-26-2015 |
| 20150349610 | Motor Housing With Integrated Gears - A motor housing with integrated gears includes a motor having a first shaft, the motor configured to actuate the first shaft, a dowel, the dowel rotatably coupled to the first shaft, an encoder configured to surround the dowel, the encoder being configured to measure an angular velocity of the first shaft, a gear system in meshed communication with the first shaft, and a second shaft in meshed communication with the gear system such that the motor is operable to transmit power to the second shaft. The housing further includes at least one seal, the seal located on the dowel between the first end and the second end of the dowel and creating a barrier such that the dowel is rotatable within the seal while preventing migration of lubricant on the at least one gear into the encoder. | 12-03-2015 |
| 20150349612 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a rotor, a stator, a housing that receives the rotor and the stator and supports the stator so that the rotor is rotatably held in the stator. A transmission controller receives a physical quantity of the rotating electrical machine detected by a sensor through antennas. The antennas are located outside of the housing. | 12-03-2015 |
| 20150349620 | HORIZONTALLY ROTATING DRIVING APPARATUS - A horizontally rotating driving apparatus is connected with a longitudinal rotating shaft and includes a frame, a rotating unit, multiple electromagnetic units and multiple sensor switch units. The frame is mounted on the rotating shaft and has an inner space formed inside the frame. The rotating unit is located in the inner space of the frame and is horizontally and rotatably mounted on the rotating shaft to form a rotation path. The electromagnetic units are disposed in the inner space of the frame and are arranged along the rotation path of the rotating unit. The sensor switch units are mounted in the frame and are disposed in the inner space of the frame at identical intervals. When one of the magnetic portions passes the sensor switch units, the sensor switch units sequentially control the electromagnetic units to start or to stop generating magnetic force and rotate the rotating unit. | 12-03-2015 |
| 20150357780 | BRUSH HOLDER APPARATUS AND SYSTEM - A brush holder system includes a stationary support member having at least one groove, and a fork electrical connector. A brush retainment member is configured to be releasably affixed to the stationary support member. The brush retainment member has at least one rail configured to slide along the at least one groove. The brush retainment member has a knife electrical connector configured to mate with the fork electrical connector. A radio frequency identification device (RFID) tag is mounted on the brush retainment member, and the RFID tag is configured to monitor brush wear and communicate brush wear status to a monitoring system. The stationary support member is configured for electrical connection to a collector mount and the brush retainment member is configured to retain at least one brush. | 12-10-2015 |
| 20150362335 | ROTATION SENSOR - A sensor device is provided with a magnetic field sensitive element being positioned in a magnetic field of a magnet. The magnet is positioned on an end face of a shaft. The magnetic field sensitive element is configured to sense an orientation angle of the magnetic field in the range between 0° and 360°. The shaft is one of a shaft of a transmission of a vehicle or a shaft of a brushless DC motor or a shaft of a wheel axle of a vehicle. | 12-17-2015 |
| 20150364968 | DRIVE MECHANISM FOR ROTATABLY COUPLING A SYSTEM PART OR A MACHINE PART - The invention relates to a drive mechanism ( | 12-17-2015 |
| 20150372574 | SINGLE-PHASE SHADED POLE INDUCTION MOTOR, CONVERTIBLE TO PERMANENT MAGNET MOTOR - The present invention refers to a shaded-pole single-phase motor convertible into a permanent magnet motor of the type that comprises a front casing, a stator element, a rotor element, a plurality of windings placed over the protruding poles of the stator element, and a rear casing, wherein the stator element presents a square-shape configuration with the four protruding poles rotated 45° relative to the horizontal and vertical symmetry axes in order to be aligned with the four corners of the stator element. | 12-24-2015 |
| 20150380990 | MOWER MOTOR - A motor includes a rotor having a plurality of pole magnets angularly spaced about the rotor's rotational axis through an angle of 360°, and a stator including a plurality of windings angularly spaced about the rotational axis through an angle less than 360° to provide an angular section free of windings, wherein at least one of the plurality of pole magnets is not radially opposite any of the plurality of windings at any given rotational position of the rotor. The motor is designed for use in powering a horizontal blade reel of a cylindrical lawn mower, and includes a housing having a cross-sectional shape in the form of a chord-truncated circle, such that the housing has a flat portion corresponding to the angular section free of windings. The truncated motor housing avoids unattractive “layover” of grass during mowing. | 12-31-2015 |
| 20150381017 | MOTOR - A motor includes a rotating portion including a shaft and a rotor, and a stationary portion including a stator and a magnetic sensor. The magnetic sensor is located above the rotor to detect the rotational position of the rotor. The rotor includes a tubular rotor core defined by laminated steel sheets; a rotor magnet including an upper end surface at an axial level higher than an axial level of an upper end surface of the rotor core; and a rotor holder including a ferromagnetic body, and above the rotor core and radially inside of the rotor magnet. Each of the rotor core and an outer cylindrical portion of the rotor holder is in contact with the rotor magnet or opposite to the rotor magnet with a gap intervening therebetween. | 12-31-2015 |
| 20160003641 | ROTOR POSITION ENCODER FOR AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE HAVING A REFERENCE ENCODER - A rotor position encoder ( | 01-07-2016 |
| 20160003646 | ENCODER, MOTOR WITH ENCODER, AND SERVO SYSTEM - This disclosure discloses an encoder. The disk is fixed to a rotating body. The one or more first slits are arranged on the disk in a part in a circumferential direction around a rotation center of the disk. The light source is configured to emit light to a region that encompasses at least a rotational locus of the first slit by rotation of the disk. The plurality of first light receiving elements is arranged extending along a circumferential direction around the rotational axis and is configured to receive light that is reflected by or transmits through the first slit. | 01-07-2016 |
| 20160006311 | ELECTRIC MOTOR, GENERATOR AND COMMUTATOR SYSTEM, DEVICE AND METHOD - A direct current (DC) electric motor assembly with a closed type overlap stator winding which is commutated with a timed commutating sequence that is capable of generating a stator rotating magnetic field. The coil overlap of the winding and a timed commutation sequence are such that the current in each slot of the stator is additive and when a previous magnetic pole collapses according to a commutation sequence; the energy released by that previous collapsing magnetic field is captured to strengthen the next magnetic field on the commutation sequence schedule. Electrical currents produced by the collapsing magnetic fields flow to low electric potential and add or subtract to the DC current provided by the commutator thus promoting formation of the next magnetic on commutation schedule. When used with a suitable commutator and rotor, the electric motor assembly provides a true brushless high torque speed controlled Real Direct Current (RDC) motor that operates with higher efficiency and higher power density. | 01-07-2016 |
| 20160020662 | Static Vacuum Shafting Device for Integrated Rotary Transformer - A static vacuum shafting device for an integrated rotary transformer includes: a driving component, a vacuum sealing cover, a position detection component, a shafting base, a vacuum insulation sleeve, three O-shaped seal rings, a first rolling bearing, a second rolling bearing, a bearing gap ring, a transmission shaft, a shafting flange, a walking rolling bearing, and two bearing glands. The driving component includes a motor stator, a rotary transformer stator, a motor and rotary transformer integrated rotor, a rotor flange plate and a stator-fixing pressing block which are coaxially assembled. The vacuum sealing cover includes a sealing cover upper flange, a sealing cover, and a sealing cover lower flange. The shafting device couples a motor shaft to a load rigidly, thereby achieving a “zero-transmission” method and a “zero-leakage” sealed transmission of a shafting, and is particularly suitable for a power transmission of a vacuum robot in a high-vacuum environment. | 01-21-2016 |
| 20160020677 | ELECTRIC MOTOR WITH FUNCTIONAL MONITORING OF THE MOTOR BEARINGS - The present invention relates to an electric motor, comprising a stator and a rotor that can rotate relative to the stator and that is mounted in bearing arrangements, and also comprising a motor housing and a vibration sensor to pick up vibrations that occur in the electric motor and that are caused by malfunctions of the bearing arrangements. The configuration provided here is that of an external-rotor motor. The stator has a bearing support tube that is connected at one end to a ring-shaped stator flange. Bearing arrangements are arranged at a distance from each other in the bearing support tube in the direction of a center longitudinal axis of the bearing support tube, in which a shaft of the rotor is supported. The vibration sensor is attached to the stator flange. | 01-21-2016 |
| 20160020683 | Direct Current Brushless Motor - A motor includes a frame, a shaft rotatably mounted onto the frame, and at least one disc mounted onto the shaft. At least one permanent magnet is mounted on the disc, and at least one electromagnet and at least one coil are mounted to the frame in rotational magnetic proximity to the permanent magnet. A battery is connectable to the electromagnet and the coil for energizing the electromagnet and for receiving electrical current from the coil for charging the battery. A relay switch controls the transmission of electrical power from the battery to the electromagnet. A sensor generates a signal to the relay switch to activate electrical power to the electromagnet upon sensing that the permanent magnet is positioned with respect to the electromagnet such that a magnetic force generated by the electromagnet would be effective for inducing movement of the permanent magnet and consequent rotation of the disc. | 01-21-2016 |
| 20160032647 | WINDOW COVERING MOTORIZED LIFT AND CONTROL SYSTEM MOTOR AND OPERATION - A motorized lift assembly for a window covering includes a movable window covering material and cords for moving the window covering material. The motorized lift assembly also includes a motor assembly including a motor, a speed reducing gear train driven by said motor for adjusting positions of said cords, where the motor is a low voltage, high speed motor operating at greater than 12,000 rpm. | 02-04-2016 |
| 20160036301 | ELECTRIC ROTATING MACHINE - An electric rotating machine includes an electric rotating machine body that cause a rotating body to rotate around an output axis, a rotation detecting device that detects rotation of the rotating body, and a braking device that stops rotation of the rotating body. The rotation detecting device includes a rotating portion that rotates in association with the rotating body. The rotating portion is arranged coaxially with the output axis. The braking device is arranged at a position shifted from the output axis of the rotating body. | 02-04-2016 |
| 20160043615 | MAGNET TEMPERATURE ESTIMATION DEVICE FOR PERMANENT MAGNET MOTOR AND MAGNET TEMPERATURE ESTIMATION METHOD FOR PERMANENT MAGNET MOTOR - A magnet temperature estimation device includes: a voltage detector ( | 02-11-2016 |
| 20160049854 | ELECTRICAL ENERGY GENERATING BRUSHLESS DC MOTOR - A brushless direct current (BLDC) motor that generates electrical energy (AC voltage) while operating as a motor. The motor is configured with a dual purpose stator assembly wherein one segment of the stator assembly includes coil windings to produce the rotary force (torque) in the rotor and the other segment of the stator assembly includes coil windings to generate electrical energy. The stator windings for producing torque are electrically connected through commutation control circuitry to a DC supply source, and the stator windings for generating electrical energy are connected to a load or to an energy storage system. Thus, the embodiment offers a novel means for generating electrical energy in the conventional BLDC motors. Because the motor can generate electrical energy while operating as a motor, it can effectively serve as a powertrain in electric vehicles, whereby the electrical energy it generates can be used to extend the vehicles' drive range. | 02-18-2016 |
| 20160053856 | Electrically Actuated Rotary Drive Device - An electrically actuated rotary drive device which has a gear casing with an electrical drive motor mounted at its rear side and on which is rotatably mounted an output member in driving connection with the drive motor. The driving connection is realised by gearing means provided in the gear casing and containing a driven gear fitted to the output member, in the form of a ring gear with internal tooth system, and a drive pinion belonging to the drive motor and with an external gear teeth system. The drive pinion extends into the ring gear, inside the gear casing. | 02-25-2016 |
| 20160056691 | SELF-CENTERING FOR ENCODER DEVICE - A self-centering device for a motor having a base and a shaft extending through the base and rotatable relative to the base along an axis includes a housing having a flange for securing the housing to the motor base. A bushing is connected to the housing and has a passage for receiving the motor shaft. A rotary encoder is secured to the housing and configured to measure at least one of position or rotation of the motor shaft. Positioning the motor shaft in the passage in the bushing centers the housing on the motor shaft to place the encoder in a desired position for measuring the at least one of position or rotation of the motor shaft. | 02-25-2016 |
| 20160056692 | MOTOR CONTROL DEVICE - A motor control device is provided that enables smooth rotation control from a low-speed region to a high-speed region. A microcomputer of the motor control device calculates the rotation speed of a rotor from the time between edges that appear per 60° electrical angle at the time of starting the motor, from a signal that is output when a the hall sensor detects the magnetic field of a rotating rotor and, in conjunction with an increase in the rotation speed of the rotor, calculates the rotation speed of a rotor from the time between edges that appear at electrical angles that are larger than the electrical angle 60° in the signal, per 180° electrical angle, per 360° electrical angle, per 900° electrical angle, and per 1800° electrical angle. | 02-25-2016 |
| 20160079823 | VEHICLE DRIVING DEVICE - There is provided a vehicle driving device. The vehicle driving device includes a rotation shaft, a motor, a drive case having an end wall, a rotation detecting sensor, and an oil pump. The rotation detecting sensor has a sensor rotor and a sensor stator which is fixed to an inner surface of the end wall by a stator fastener. The oil pump includes a pump rotor, an oil pump cover and a seal member. The oil pump cover is joined to a joining surface formed on the outer surface of the end wall by fastening a cover fastener to a cover screw hole. The cover screw hole is formed into a shape opened only to the outside of the drive case and disposed outside of the seal member and a through hole through which the stator fastener is inserted is disposed on the joining surface inside of the seal member. | 03-17-2016 |
| 20160084293 | ADD-ON DRIVE SHAFT FOR AN ENCODER OR IMPELLER FAN AND METHOD FOR ADDING THE SHAFT - An add-on shaft for an electric motor, an electric motor having an add-on shaft, an add-on shaft that drives a rotary encoder and a method for connecting an add-on shaft to a motor shaft of an electric motor are disclosed. The add-on shaft has a pin that is introduced into a centered blind hole in the motor shaft of the electric motor. The pin has sections having different diameters, so that the add-on shaft is aligned coaxially with the motor shaft and fixed in the blind hole by an interference fit, but adhesive applied onto the pin is not wiped off during the joining operation. A defined adhesive gap optimal for the adhesive used is also provided. | 03-24-2016 |
| 20160094110 | ELECTRIC MACHINE, SENSOR AND ASSOCIATED METHOD - According to an embodiment of the invention, an electric machine is provided. The machine includes a support structure and a stator secured to the support structure. The machine also includes a rotor rotatably scoured to the support structure. The rotor defines a wall of the rotor. The machine also includes a sensor secured to the support structure and adapted to cooperate with the wall of the rotor to sense the position of the rotor relative to that of the stator. | 03-31-2016 |
| 20160099628 | REDUNDANT MODULAR PIVOT ANGLE MOTOR - This present disclosure relates to a motor arrangement for controlling pilot valves having at least three motors, having at least one stator each and at least one rotor each, wherein the motors are provided at a common rotating shaft, with each motor being coupled to the rotating shaft via at least one respective mechanical coupling. | 04-07-2016 |
| 20160099634 | BRUSHLESS MOTOR - A brushless motor includes a first motor unit and a second motor unit having a common rotary shaft and coupled to each other in an axial direction in which the rotary shaft extends, and two resolvers configured to respectively detect a rotation angle of the first motor unit and a rotation angle of the second motor unit. The two resolvers are arranged in the first motor unit. | 04-07-2016 |
| 20160111838 | SYSTEM AND METHOD FOR MONITORING THE STATUS OF ONE OR MORE COMPONENTS OF AN ELECTRICAL MACHINE - A monitoring apparatus configured for monitoring a carbon brush of a brush holder assembly of an electrical machine. The monitoring apparatus may include a flexible sensor and a signal processing circuit for processing a signal received from the flexible sensor. The flexible sensor may have an electrical resistance that varies based on a radius of curvature of the flexible sensor, wherein the radius of curvature of the flexible sensor may be associated with a deflection of a spring providing a force to engage the carbon brush with a rotating component of the electrical machine. The signal processing circuit may be coupled to the sensor and may be configured to determine a measure of a wear state of the carbon brush using information about the variable resistance of the flexible sensor. | 04-21-2016 |
| 20160118855 | Motor, Positioning Device, Conveyance Device - Provided are a motor having a small number of parts and provided with waterproof performance in a low-cost method, and a positioning device and a conveyance device that are positioned and driven by the motor. The motor includes a columnar motor body that is formed with a center hole penetrating in an axial direction, and a housing for accommodating the motor body. The housing includes a cylindrical part that covers an outer peripheral surface of the motor body; a rotation output part provided on an upper side of the cylindrical part in the axial direction and fixed to rotary bodies of the motor body; and a fixed part provided on a lower side of the cylindrical part in the axial direction and fixed to fixed bodies of the motor body. The housing is sealed by a sealing mechanism at only one place of the cylindrical part in the axial direction. | 04-28-2016 |
| 20160118867 | Rotating Machine - The present invention provides a rotating machine which can maintain good contact state between the brush and the metal rotating body. A rotating machine of the present invention includes a stator including a stator winding, a rotor including a rotor winding and rotatably disposed apart from the stator with a gap, a metal rotating body electrically coupled with the rotor winding, a brush in contact with the metal rotating body, and a pressing mechanism for increasing pressure to press the brush against the metal rotating body when contact failure occurs between the metal rotating body and the brush. | 04-28-2016 |
| 20160126811 | Brushless Motor with Modular Position Sensor - A brushless DC motor is provided. The brushless DC motor comprises a motor housing around an axis, a stator assembly inside the motor housing, a carrier plate fixed relative to the stator assembly, and a Hall effect sensor assembly removably coupled to the carrier plate. A method of making a brushless DC motor is also provided comprising fixing a carrier plate relative to a stator assembly of a brushless DC motor assembly, and fixing a first Hall effect sensor array to the carrier plate. | 05-05-2016 |
| 20160141939 | ELECTRIC WORKING MACHINE - The present application discloses an electric working machine. The electric working machine includes: a motor including a rotor; a sensor board including a magnetic sensor for detecting magnetic variation due to rotation of the rotor; and a housing which contains the motor and the sensor board. in the electric working machine, the sensor board does not cover an entire circumference of the rotor. In the electric working machine, the sensor board has a portion covering the rotor, and a portion not covering the rotor. | 05-19-2016 |
| 20160149458 | ROTARY BODY DRIVING APPARATUS - The rotary body driving apparatus comprises: a rotary body having reflective surfaces; a motor having a rotor shaft; a rotor being attached to one end part of the rotor shaft together with the rotary body; a stator housing having a bearing section, which rotatably holds the rotor shaft; a motor substrate for detecting a rotational position of the rotor, the motor substrate being provided to the stator housing; a magnetized section for frequency generation, the magnetized section being formed into a ring shape and provided to an end surface of the rotary body facing the motor substrate; and a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section. | 05-26-2016 |
| 20160156253 | AN ELECTRIC MOTOR OR GENERATOR | 06-02-2016 |
| 20160156254 | PROGRESSIVE MAGNETIC ROTATION MOTOR | 06-02-2016 |
| 20160164382 | POSITION FEEDBACK FOR SEALED ENVIRONMENTS - A transport apparatus including a housing, a drive mounted to the housing, and at least one transport arm connected to the drive, where the drive includes at least one rotor having at least one salient pole of magnetic permeable material and disposed in an isolated environment, at least one stator having at least one salient pole with corresponding coil units and disposed outside the isolated environment where the at least one salient pole of the at least one stator and the at least one salient pole of the rotor form a closed magnetic flux circuit between the at least one rotor and the at least one stator, at least one seal partition configured to isolate the isolated environment, and at least one sensor including a magnetic sensor member connected to the housing, at least one sensor track connected to the at least one rotor where the at least one seal partition is disposed between and separates the magnetic sensor member and the at least one sensor track so that the at least one sensor track is disposed in the isolated environment and the magnetic sensor member is disposed outside the isolated environment. | 06-09-2016 |
| 20160172941 | MULTI-POLAR DC MACHINE | 06-16-2016 |
| 20160181879 | Electric Motor/Generator with Multiple Individually Controlled Turn-less Structures | 06-23-2016 |
| 20160181888 | Rotary Body Driving Apparatus | 06-23-2016 |
| 20160190898 | Motor Unit - A motor unit is provided which shortens an information transmission path between a detector and an arithmetic board. The motor unit includes a motor and a motor controller controlling a rotating operation of the motor based on a rotating angle of the motor such that the motor and the motor controller form a unit. The motor controller includes a resolver detecting a voltage signal corresponding to the rotating operation of the motor. The resolver outputs the voltage signal corresponding to the rotating operation of the motor, to a control board. The resolver is interposed between the motor and the control board and detects a rotating angle of a shaft end of a motor shaft extending beyond an operation performing apparatus that performs an operation of supplying driving power to the motor, to a position closer to the control board. | 06-30-2016 |
| 20160197537 | GRAY CODE DRIVING DEVICE FOR ELECTRIC ROLLER SHUTTER | 07-07-2016 |
| 20160204682 | MOTOR AND WASHING MACHINE HAVING THE SAME | 07-14-2016 |
| 20160254715 | SINGLE-PHASE BRUSHLESS MOTOR | 09-01-2016 |
| 20160254716 | Anti-Separating Structure of Sensing Magnet For EPS Motor | 09-01-2016 |
| 20160380509 | Rotary Actuator - A rotary actuator includes a connector housing with a hollow tube, a separate motor housing clipped to one side of the connector housing, and a separate gear and sensor housing clipped to an opposed side of the connector housing. At least a first gear and a first gear carrier are located within the interior of the hollow tube. A motor shaft extends from the motor through the connector housing into the tube and into engagement with the first gear. A sensor is seated on an exterior surface of the hollow tube and a magnet is housed in the interior of the first gear carrier. The sensor is adapted to change changes in the magnetic field generated by the magnet in response to movement of the magnet. | 12-29-2016 |
| 20160380522 | Stator and EPS Motor Having the Same - Disclosed is a stator of an EPS motor, the stator including a stator core wound by a coil and provided in a cylindrical shape by coupling of a plurality of divided cores, a bus bar conductively connected to the coil to be coupled to an upper side of the stator core, and a guide unit guiding the bus bar to a coupled position determined by the stator core. | 12-29-2016 |
| 20170237312 | Actuator | 08-17-2017 |
| 20170237319 | Fuse Component and Electric Motor Incorporating the Same | 08-17-2017 |
| 20180026496 | MOTOR HAVING FUNCTION OF GENERATING AND FEEDING ELECTRIC POWER AT COIL END PORTION | 01-25-2018 |
| 20180026497 | MOTOR APPARATUS | 01-25-2018 |
| 20190149011 | Motor And Robot | 05-16-2019 |
| 20190149016 | Motor And Robot | 05-16-2019 |
| 20080218035 | Rotating rectifier assembly - A rotating rectifier assembly includes a metallic housing, a composite substrate, and a rectifier subassembly that can be used to rectify a polyphase AC current. The composite substrate includes a ceramic component and one or more metallic components according to a metallization process. The composite substrate and rectifier subassembly may be positioned in an annular cavity within the metallic housing. In applications where excessive heat and/or shock and vibration are present, an encapsulant may be used to fill the annular cavity. | 09-11-2008 |
| 20080218036 | Rotating Rectifier - A rotatable rectifier arrangement comprises a rectifier component | 09-11-2008 |
| 20080290763 | AUTOMOTIVE ALTERNATOR - A circuit board heatsink | 11-27-2008 |
| 20090001857 | Automotive alternator having rectifier device - An automotive alternator mounted on a vehicle for generating electric power includes front and rear frames, a cylindrical stator and a rotor. The cylindrical stator is contained in the frames, and the rotor is rotatably supported in the cylindrical stator. A rectifier device for rectifying alternating current generated in the stator into direct current is mounted on a rear surface of the rear frame and covered with a rear cover. To sufficiently cool minus rectifier elements positioned at a place not easily cooled only by the outside cooling air introduced into the alternator, a base portion of the minus rectifier element is contacted to the rear frame thereby to establish heat conduction therebetween. A resilient heat-conductive member is disposed between the base plate and the rear frame to absorb any dimensional discrepancies therebetween. | 01-01-2009 |
| 20090026895 | ELECTRIC MOTOR SYSTEMS - Electric motor systems are provided for use in vehicles. In an embodiment, by way of example only, the system includes a first inverter, a second inverter, and a motor electrically coupled to the first and the second inverters. The motor includes a stator including a plurality of slots formed therein and a plurality of windings. The plurality of windings is disposed at least partially in the slots, and each winding includes a first coil and a second coil. The first coil has a first number of turns, and the second coil has a second number of turns that is unequal to the first number of turns. The first coil of each winding is electrically coupled to the first inverter, and the second coil of each winding is electrically coupled to the second inverter. | 01-29-2009 |
| 20090039741 | ELECTRIC MOTOR - The invention relates to an electric motor with a rotating hollow shaft ( | 02-12-2009 |
| 20090085446 | SWITCHING DEVICE, GENERATOR-MOTOR APPARATUS USING SWITCHING DEVICE, DRIVE SYSTEM INCLUDING GENERATOR-MOTOR APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM ON WHICH A PROGRAM FOR DIRECTING COMPUTER TO PERFORM CONTROL OF GENERATOR-MOTOR APPARATUS IS RECORDED - A generator-motor apparatus includes a control circuit, an alternator, electrode plates, and switching devices. The electrodes plates have a substantial horseshoe shape, and are provided on an end surface of the alternator so as to surround a rotating shaft of the alternator. Each of the switching devices is formed by sandwiching a MOS transistor between two electrodes, and has a can structure for sealing the internal space of the switching device using a resin. The switching devices are directly attached to the electrode plate by means of soldering, and the switching devices are directly attached to the electrode plate by means of soldering. The control circuit controls the switching devices. The switching devices drive the alternator as an electric motor or an electric power generator. | 04-02-2009 |
| 20090102328 | POWER GENERATOR - A power generator includes a magnetic pole rotor in which a plurality of N magnetic pole cores and S magnetic pole cores are arranged alternately at regular intervals and that is rotatably supported, stator coils that oppose the magnetic pole rotor and are wound round pole portions of poles of stator poles so as to generate AC power, full-wave rectifying circuits | 04-23-2009 |
| 20090102329 | Rectifier for automotive alternator - In a rectifier for an automotive alternator, each of the rectifying elements includes a semiconductor chip and a lead electrode that connects the semiconductor chip to a corresponding one of terminals. The lead electrode has a joining portion joined to a second surface of the semiconductor chip and a lead body portion extending in a direction perpendicular to the second surface. The corresponding terminal has a joining portion that protrudes out of a terminal base and extends in the direction parallel to the second surface to be joined to the lead body portion. The joining portion of the corresponding terminal is formed of first and second terminal plates that are laminated in the direction perpendicular to the second surface. The first terminal plate is located farther from the semiconductor chip than the second terminal plate and has a larger coefficient of thermal expansion than the second terminal plate. | 04-23-2009 |
| 20090134749 | Rectifier with improved resistance against vibration - In a rectifier, a high-side heatsink in which high-side rectifying elements are mounted provides a common positive terminal attached to the high-side heatsink. A low-side heatsink in which the low-side rectifying elements are mounted provides a common negative terminal. A terminal block assembly includes a plurality of terminal blocks integrated with each other. The plurality of terminal blocks hold the conductive members. A fixing mechanism directly fixes one of the plurality of terminal blocks to the high-side heatsink. The one of the plurality of terminal blocks holds at least one of the conductive members. The at least one of the conductive members is connected to one of the high-side rectifying elements. The one of the high-side rectifying elements is located closest to the output terminal in all of the high-side rectifying elements. | 05-28-2009 |
| 20090167122 | RECTIFIER AND ELECTRIC MACHINE COMPRISING SAID TYPE OF DEVICE - The invention relates to a rectifier unit comprising one plus cooling body ( | 07-02-2009 |
| 20090179530 | STATOR WINDING HAVING SAME RADIAL POSITIONS - Disclosed is an improved stator for a dynamoelectric machine including a stator core which has a plurality of core slots extending axially from a first end of the stator core to a second end of the stator core. The stator also includes a stator winding having a plurality of phases. Each phase of the stator winding includes at least a first filar. The first filar extends around the stator core and form a plurality of layers and has a plurality of slot segments disposed in the plurality of core slots. The slot segments are alternately connected at the first and second ends of the stator core by a plurality of end loop segments. The slot segments are configured such that at least two consecutive slot segments are disposed in substantially the same radial position relative to additional slot segments of the plurality of slot segments disposed in the respective core slots, and the at least two consecutive slot segments are disposed at differing radial distances from a central axis of the stator core. | 07-16-2009 |
| 20090206709 | Hybrid drive unit - A hybrid drive unit includes a main body case having a connection portion connected to an engine, the main body case accommodating therein a rotating electric machine; and an inverter case integrated with the main body case, the inverter case accommodating therein an inverter that controls the rotating electric machine, wherein an inverter breather is disposed in a side wall portion of the inverter case on a side of the connection portion so as to provide communication between an inside and an outside of the inverter case. | 08-20-2009 |
| 20090243443 | Drive unit - A drive unit includes a rotary electric machine; an inverter used to control the rotary electric machine and a capacitor that smooths a power supply voltage of the inverter; and a case housing the rotary electric machine. A control equipment housing space structured by an inverter housing space portion that houses the inverter and a capacitor housing space portion that houses the capacitor is formed in the case on an outer side of the rotary electric machine in an axial center radial direction of the rotary electric machine. A refrigerant flow chamber through which a refrigerant flows is formed between the control equipment housing space and the rotary electric machine. A capacitor heat exchange fin that performs heat exchange between the capacitor housing space portion and the refrigerant is provided between the capacitor housing space portion and the refrigerant flow chamber. | 10-01-2009 |
| 20090322189 | System for collecting stray energy - A converter system for generating electrical signal from an optical signal utilizes a collector for collecting an energy source as an optical signal. The collected optical signal is transmitted to a receiver which is associated with a converter for converting the optical signal to an electric signal. In one embodiment the converter system is incorporated in an electric motor of the type having a housing, a rotating shaft mounted in the housing, a commutator on the shaft, and a pair of permanent magnets, whereby the shaft is rotated in response to electrical power being applied to the commutator. The system includes an optical collector mounted in the housing in non-interfering relationship with the commutator and the shaft, whereby the optical collector is adapted for generating an optical signal from the stray energy in the motor housing when power is applied to the motor and the shaft is rotating. The optical signal thus generated is transmitted to the receiver. | 12-31-2009 |
| 20100019628 | HIGH PERFORMANCE ROTATING RECTIFIER FOR AC GENERATOR EXCITERS AND RELATED METHODS - A brushless exciter apparatus including a rotatable rectifier hub assembly and associated methods are provided. The brushless exciter apparatus includes an exciter rotor assembly including a rotor core, a rotatable shaft carrying the rotor core, and an exciter armature having end turns extending beyond either side of an axial extent of the rotor core. The brushless exciter apparatus also includes a rotatable rectifier hub assembly including a rotatable rectifier hub carrying one or more diode assemblies positioned along an axial extent of the rotatable rotor shaft adjacent a rotor core, at least partially radially between an extent of the exciter armature and the outer surface of the shaft. | 01-28-2010 |
| 20100052481 | IN-VEHICLE AC GENERATOR - There is provided an in-vehicle AC generator having a regulator assembly that is mounted in the bracket of the AC generator. The regulator holding unit provided in the regulator assembly has a containing portion in which at least the whole periphery of an opening is surrounded by a wall member; a circuit unit of the regulator is inserted into the containing portion through the opening; the heat sink for the regulator is held by the containing portion in such a way that the peripheral portion thereof is adhered to the wall member that surrounds the whole periphery of the opening, and closes the opening; and the containing portion is provided with a resin filled in the vicinity of the contained circuit unit. | 03-04-2010 |
| 20100072865 | VEHICLE DRIVE DEVICE - A vehicle drive device includes a motor generator (MG | 03-25-2010 |
| 20100096956 | Brush Holder - A brush holder ( | 04-22-2010 |
| 20100102683 | CONTROLLER-INTEGRATED ROTATING ELECTRIC MACHINE - Assembly of a controller-integrated rotating electric machine is facilitated. In a controller-integrated rotating electric machine provided with a rotating electric machine unit having a rotor ( | 04-29-2010 |
| 20100123373 | DIODE LEAD SUPPORT SHELL - A shell that mechanically supports the diode lead wires against movement both during assembly and subsequent operation of the rotor shaft. In addition, the present invention relates to a method for retaining diode lead wires in a power generator rotor by using the shell of the present invention. | 05-20-2010 |
| 20100127602 | FREQUENCY CONVERTER FOR CONTROLLING AN ELECTRIC MOTOR - An assembly includes a frequency converter, a motor, and an adapter. The frequency converter and the motor both have housings with an opening. The adapter has a base part and a circuit board having first and second electrical connecting elements supported over a portion of a central opening of the base part. The adapter is between the housings with the central opening being between the openings of the housings. The base part is mechanically connected to the housings with the first electrical connecting element of the adapter engaging an electrical connecting element of the frequency converter via the opening of the converter housing and the central opening and with the second electrical connecting element of the adapter engaging an electrical connecting element of the motor via the opening of the motor housing and the central opening whereby the frequency converter and the motor are connected via the adapter. | 05-27-2010 |
| 20100148639 | STRUCTURE INCLUDING SPINDLE MOTOR AND PRINTED CIRCUIT BOARD - A spindle motor structure is disclosed wherein the spindle motor structure comprises a spindle motor including a stator having a core wound with a coil and a rotor rotating about the stator; and a driving substrate aligned at an outer periphery of the rotor and soldered with driving control parts of the spindle motor including a plurality of circuit parts including a driving integrated circuit and the like; and a base on which the spindle motor and the driving substrate are installed, wherein the spindle motor is assembled with or dissembled from the base independently from the driving substrate. | 06-17-2010 |
| 20100181876 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - An inverter-integrated electric compressor in which it is possible to make an inverter device and an inverter accommodating section small and compact and which, at the same time, has high reliability enabling interference of electromagnetic noise from a high-voltage bus-bar to be suppressed is provided. An inverter-integrated electric compressor in which an inverter accommodating section is provided on a periphery of a housing, and an inverter device is accommodated inside thereof, wherein the inverter device includes a power circuit board and a control board wherein a high-voltage bus-bar connecting a high-voltage line and high-voltage components disposed in the interior of the inverter accommodating section is disposed in a space above the power circuit board and the control board, and wherein a shield plate is provided between the high-voltage bus-bar and an inverter module. | 07-22-2010 |
| 20100181877 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - Provided is an inverter-integrated electric compressor capable of reducing the size of an inverter accommodating section by modularizing a power circuit board and a control board and further reducing the size of an inverter device, as well as an accommodating section thereof, by improving the positional structure with respect to other electrical components. An inverter-integrated electric compressor including an inverter accommodating section provided on a periphery of a housing accommodating an inverter device includes an inverter module constructed by integrally modularizing a power circuit board and a control board, wherein attachment legs provided on both edges of at least one side surface of the inverter module protrude outward from a module main body, and the inverter module accommodates the inverter accommodating section with the attachment legs positioned in spaces at both ends of a glass-insulated terminal. | 07-22-2010 |
| 20100194251 | Axial generator for Windcrank.TM. vertical axis wind turbine - An axial field generator for use with the Sikes Windcrank™ vertical axis wind turbine is disclosed. One embodiment of the axial generator employs: 16 pairs of puck or disk shaped permanent magnets are provided radial and angular location by an index plate. and mounted on two opposing soft steel rotor plates by virtue of magnetic force. the magnets mounted with opposing fields that alternate in pole orientation: and a stator with 12 electronically commutated circular coils loaded with ferrite cores. The stator is a dielectric plate structure interposed between the opposing rotor plates. The stator coils may be switched to provide 4 poles in a three-phase AC configuration, up to 12 phase with single poles for each phase; or electronically rectified and commutated to provide DC voltage, that may be inverted into any useful wave form. This novel configuration of opposing field magnets in the rotor, and stator having fewer coils than magnets), has been found to produce useful electrical power with no cogging effect. low heating loss, and at a low RPM suitable for direct drive off of the Windcrank™ output shaft. The generator is also easy to produce with minimal expense in specialized tooling. | 08-05-2010 |
| 20100259136 | ROTARY ELECTRIC MACHINE AND DRIVING CONTROLLER FOR ROTARY ELECTRIC MACHINE - A plurality of salient poles projecting toward a stator are arranged on a rotor core along the circumferential direction while being spaced apart from each other, and rotor windings are wound around these salient poles. The rotor windings are short-circuited through diodes, respectively; and when currents rectified by the diodes flow through the rotor windings, the salient poles are magnetized to produce a magnet where the magnetic pole is fixed. The width θ of each salient pole in the circumferential direction is smaller than a width corresponding to an electric angle of 180° of the rotor, and the rotor windings are wound around each salient pole by short-pitch winding. | 10-14-2010 |
| 20100259137 | GENERATOR INCLUDING A RECTIFIER SYSTEM - A generator, for example a three-phase generator including an associated rectifier system, is used, for example for the electrical voltage supply of a motor vehicle. The AC voltage produced by the generator is rectified by the rectifier system having a plurality of rectifying elements | 10-14-2010 |
| 20100283357 | GENERATOR RECTIFIER ASSEMBLY WITH EASE OF ASSEMBLY FEATURES - A rectifier assembly includes first and second housings surrounding a pair of electrical rings. Each of the electrical rings communicates with a pin. Bolts secure a spring to hold diodes against an inner wall of the electrical rings. The first housing includes openings opposed to the bolts to allow access to the bolts for tightening the bolts to hold the spring, and bias the diodes against the inner periphery of the electrical rings. A rotor balance assembly, a generator, and a method of assembling a rectifier assembly are also disclosed and claimed. | 11-11-2010 |
| 20100289388 | Drive Device Having an Electric Motor and an Electronic Control System Having a Circuit Carrier - A drive device having an electric motor and an electronic control system for the electric motor, the electronic control system being disposed on a circuit carrier. Provision is made that the circuit carrier is a mechanical component, or part of a mechanical component, of the electric motor. | 11-18-2010 |
| 20100295422 | Stacking alternator - A stacking alternator includes a supporting frame, at least one stationary armature device securely supported by the supporting frame and at least two rotating magnetic devices rotatably supported by the supporting frame two sides of the stationary armature device respectively, wherein the rotating magnetic devices are arranged to be driven to move with respective to the stationary armature device so as to produce a relative movement between the stationary armature device and the rotating magnetic devices for generating a predetermined amount of electrical current at the stationary armature device, wherein the stationary armature device and the rotating magnetic devices are alignedly and spacedly supported by the supporting frame to form a stacking structure of the stationary armature device and the rotating magnetic devices. | 11-25-2010 |
| 20100308700 | AUTOMOTIVE DYNAMOELECTRIC MACHINE - An inverter power module includes: a heatsink that is shaped into a ring-shaped flat plate; a plurality of power MOSFETs that are mounted onto substrates, and mounted to a front surface of the heatsink; a circuit board that is a resin-molded body into which a plurality of inserted conductors are insert molded; and a bus bar that is fixed to the heatsink so as to be disposed on an opposite side of the circuit board facing the heatsink, and that is connected to a power source line of an inverter power circuit by means of a battery electric potential connecting terminal, the heatsink is electrically connected to the rear bracket by being fixed to the rear bracket, and the rear bracket is connected to a ground line of the inverter power circuit by means of the ground electric potential connecting terminal. | 12-09-2010 |
| 20100327709 | SEMICONDUCTOR MODULE AND ELECTRONIC CIRCUIT-INTEGRATED MOTOR DEVICE USING SAME - A V1 semiconductor module has a coil terminal, which is directly connectable to a lead wire of a coil. As a result, the number of parts required to connect electronic parts is reduced. Further, since no printed circuit board is required, the coil terminal can be shaped in any size without being limited in correspondence to the thickness of a copper film of the substrate. The coil terminal and control terminals, which are connected to the printed circuit board having a control circuit for controlling current supply to the coil, are provided on different wall surfaces of a resin part. Thus, the coil and the printed circuit board can be readily connected to the coil terminal and the control terminals, respectively, resulting in simplification of the device. | 12-30-2010 |
| 20110001401 | Welding Assembled Structure of Diode in Rectifier for Generator - A welding assembled structure of a diode in a rectifier is disclosed. Therein, a solid joint lead which is a lengthwise member with one end contacting a leader frame of the rectifier, and an opposite extended end bent and extended outward the leader frame, while having a soldering tag located at one side of the extended end. The diode has a pin with an extended end located in a restricting area defined by the solid joint lead and the soldering tag. The soldering tag is welded by a spot welding process and bent toward the solid joint lead under stress when melted at a high temperature and, so as to deform and clamp the pin of the diode together with the solid joint lead, thereby fix-clamping the pin of the diode. The diode is secured by spot welding from loosening during operation, thereby ensuring the performance of the rectifier. | 01-06-2011 |
| 20110037355 | DRIVE UNIT FOR A VEHICLE SEAT - A drive unit ( | 02-17-2011 |
| 20110037356 | RECTIFYING DEVICE OF VEHICLE ALTERNATOR - A highly reliable rectifying device of a vehicle alternator capable of improving the vibration resistance of a diode. A connection lead | 02-17-2011 |
| 20110068661 | MOTOR CONTROLLER AND METHOD FOR ASSEMBLING THE SAME - A motor controller includes a first circuit board having a top side, a bottom side, and a first edge. The first circuit board includes a power module extending from the top side of the first circuit board. The motor controller also includes a second circuit board having a top side, a bottom side, and a first edge. The second circuit board includes a plurality of electrical components extending from the top side of the second circuit board. The second circuit board is electrically coupled to the first circuit board by at least one conductor. The first circuit board is physically coupled to the second circuit board such that the bottom side of the second circuit board is adjacent the bottom side of the first circuit board. | 03-24-2011 |
| 20110095659 | INTEGRATED-INVERTER ELECTRIC COMPRESSOR AND INVERTER UNIT THEREOF - An integrated-inverter electric compressor and an inverter unit thereof are provided, with which sufficient anti-vibration properties can be ensured and weight reduction can be achieved. In an integrated-inverter electric compressor, an inverter unit includes an inverter module in which a power-system metallic board having mounted thereon semiconductor switching elements and so forth is integrated with a plastic case, and a CPU board having mounted thereon a control and communication circuit that operates at a low voltage, such as a CPU, is provided on a top face of the inverter module, and inside the plastic case, a thermosetting resin layer for insulation and anti-humidity purposes is provided so as to cover a top face of the power-system metallic board, and a vibration-absorbing elastomeric adhesive layer that maintains a rubber state in an operating temperature range of the integrated-inverter electric compressor is provided between a bottom face of the CPU board and the thermosetting resin layer. | 04-28-2011 |
| 20110127888 | ALTERNATOR WITH SYNCHRONOUS RECTIFICATION EQUIPPED WITH AN IMPROVED ELECTRONIC POWER MODULE - An alternator includes a stator S, a rotor R and a transistor bridge, which form synchronous rectification. The synchronous rectification is in the form of an over-moulded mecatronic housing ( | 06-02-2011 |
| 20110175495 | ELECTRIC MACHINE WITH ISOLATED GROUND ELECTRONICS - An electrical system for a vehicle comprises a battery including a positive terminal and a negative terminal, and an alternator. The alternator includes a metal housing with a rotor and a stator positioned within the housing. The alternator further includes an electronics package positioned on the alternator housing. The electronics package includes a regulator and a rectifier, the rectifier including a plurality of negative diodes and a plurality of positive diodes. The plurality of positive diodes are positioned on a first diode carrier that is electrically connected to the negative terminal of the battery. The plurality of positive diodes are positioned on a second diode carrier that is electrically connected to the positive terminal of the battery. The first diode carrier is separated from the housing by an electrical insulation member positioned between the first diode carrier and the housing. | 07-21-2011 |
| 20110187243 | AUTOMOTIVE ALTERNATOR - An automotive alternator is provided that has a brush holder assembly that reduces exclusive circumferential space for the brush holder assembly inside a rear bracket, and that also reduces entry of water, dust, etc., into a regulator circuit housing portion. | 08-04-2011 |
| 20110193452 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR AND ASSEMBLY METHOD THEREFOR - Heat of a heat-generating electrical component mounted on a control circuit board of an inverter is effectively dissipated, a lead terminal that connects the electrical component to the control circuit board is prevented from breaking due to vibration, and the workability for assembling the inverter and its surrounding area is improved. An IGBT serving as a heat-generating electrical component mounted on the lower surface of a lower board serving as a control circuit board of an inverter is disposed in abutment with a heat-dissipating flat section provided on an inner wall of an inverter box provided on the outer periphery of a housing so that the heat of the IGBT is dissipated toward the housing. Moreover, a spacer member is interposed between the lower board and the IGBT so as to fill a space between the lower board and the IGBT, and the spacer member is rigid enough that the lower board and the IGBT are prevented from being displaced toward and away from each other. | 08-11-2011 |
| 20110227460 | PACKAGING IMPROVEMENT FOR CONVERTER-FED TRANSVERSE FLUX MACHINE - A transverse flux machine has at least three phases, each provided by a stator core and phase windings. Each of the at least three phases is captured within a common housing. Parallel lines extend from the at least three phases, and a current source converter is created on each of the parallel lines by inductors, a switching network, and communicating capacitors, which are received within the common housing. | 09-22-2011 |
| 20110227461 | System for Collecting Stray Energy - A converter system for generating electrical signal from an optical signal utilizes a collector for collecting an energy source as an optical signal. The collected optical signal is transmitted to a receiver which is associated with a converter for converting the optical signal to an electric signal. In one embodiment the converter system is incorporated in an electric motor of the type having a housing, a rotating shaft mounted in the housing, a commutator on the shaft, and a pair of permanent magnets, whereby the shaft is rotated in response to electrical power being applied to the commutator. The system includes an optical collector mounted in the housing in non-interfering relationship with the commutator and the shaft, whereby the optical collector is adapted for generating an optical signal from the stray energy in the motor housing when power is applied to the motor and the shaft is rotating. The optical signal thus generated is transmitted to the receiver. | 09-22-2011 |
| 20110241499 | BRUSHLESS DC MOTOR - A brushless DC motor is provided and includes: a stator assembly; a rotor assembly including a sleeve; a case assembly; and a circuit board assembly which has an electronic component mounted thereon. The case assembly is provided with an opening, the electronic component passes through the opening so as to protrude inside the case assembly, and a groove is formed at an axial end of the sleeve of the rotor assembly in order to prevent the electronic component from making contact with any part of the rotor assembly. Thus, the axial dimension of the brushless DC motor that includes the electronic component disposed to protrude inside the case assembly can be successfully reduced in such a manner that the electronic component is accommodated within the groove. Further, no electronic component is disposed around the outer circumference of the stator assembly and therefore the radial dimension also can be kept small. | 10-06-2011 |
| 20110278995 | MOTOR FOR AN ELECTRIC POWER STEERING APPARATUS - Provided is a motor for an electric power steering apparatus, in which vibrations and noises are suppressed. The motor for an electric power steering apparatus includes: a motor section ( | 11-17-2011 |
| 20110285255 | ALTERNATOR - An alternator is provided with a rectifier including a positive-side and a negative-side heatsink that cool rectifier elements corresponding to each heatsink and a circuit board that holds the positive-side and the negative-side heatsink, wherein one of either the positive-side and the negative-side heatsink or the circuit board is provided with engaging holes, and the other with engaging protrusions that are engaged with the holes. | 11-24-2011 |
| 20120091865 | Power unit for an electrical steering system - Disclosed is a power unit for an electric steering system and a method for assembling such a power unit. The power unit comprises a motor and a control unit, wherein the control unit is connected to the motor by means of shrink fitting. | 04-19-2012 |
| 20120098391 | DRIVE APPARATUS - An electronic control unit ( | 04-26-2012 |
| 20120112608 | ELECTRIC MACHINE HAVING AN INTEGRATED INVERTER - An electric machine system includes an alternating current (AC) electric machine. The AC electric machine includes a machine housing having a machine portion and a switch portion. A stator is fixedly mounted in the machine portion, a rotor rotatably mounted relative to the stator, and a plurality of switch members are arranged within the switch portion. The plurality of switch members are electrically connected to the stator. A direct current power source is electrically connected to the plurality of switch members. A controller is arranged within a controller housing and electrically connected to the plurality of switch members. The controller housing is distinct from and remotely mounted relative to the AC electric machine. The controller is configured and disposed to activate select ones of the plurality of switch member to convert DC current between the DC power source and an AC current to operate the AC electric machine. | 05-10-2012 |
| 20120146465 | ENGINE SYSTEM IN WHICH TRANSFORMER IS ARRANGED IN INDEPENDENT VENTILATION PATH - According to the present invention, even in the case of addition of a transformer for using an engine system with an AC power supply different from the expected voltage of an electrical device, there is substantially no change in the thermal balance in a package due to the presence or absence of the transformer. In the present invention, an engine | 06-14-2012 |
| 20120194040 | High Torque Density and Low Torque Ripple Actuator System - A permanent magnet electric machine drive system that includes a plurality of magnets for generating a first magnetic field and a stator is disposed radially outward from the plurality of magnets for generating a magnetic field. The stator includes a plurality of stator poles separated by slots with each respective stator pole having a concentrated winding with a respective number of turns formed around each respective stator pole. Each respective concentrated winding within the stator comprising non-overlapping phases. The concentrated windings form a dual three-phase winding configuration that includes a first set of three-balanced phase windings and a second set of three-balanced phase windings. The first set of three-balanced phase windings is phase shifted in the range of 15 to 45 electrical degrees from the second set of three-balanced phase windings for reducing the torque ripple. | 08-02-2012 |
| 20120206025 | ALTERNATOR FOR VEHICLE - It is configured in such a manner that a convex portion ( | 08-16-2012 |
| 20120217849 | APPARATUS FOR CALCULATING ROTATIONAL POSITION OF ROTARY MACHINE - In a system for driving an inverter, a superimposing element superimposes, on an output voltage of the inverter. The high-frequency voltage signal is correlated with a measured high-frequency component value of a current flowing in the rotary machine. A calculating element calculates a rotational angle of the rotary machine based on the measured high-frequency component value. A dead-time compensating element shifts a start edge and an end edge of an on duration for each of first and second switching elements of the inverter by a preset same time to compensate for an error due to dead time. A current manipulating element manipulates a current flowing in the rotary machine to maintain an accuracy of calculation of the rotational angle. | 08-30-2012 |
| 20120256523 | STARTER MACHINE SYSTEM AND METHOD - Embodiments of the invention provide a starter machine comprising a housing. A motor can be positioned within the housing and coupled to a gear train, which can be coupled to a shaft. A switched reluctance solenoid assembly can be positioned within the housing and capable of being coupled to inverters that communicate with an electronic control unit. The switched reluctance solenoid assembly includes at least two switched reluctance stator assemblies and a rotor that is coupled to the shaft. The rotor can also include an integral pinion and is movably positioned within the switched reluctance stator assemblies. The rotor is capable of linear and rotational movement. | 10-11-2012 |
| 20120286630 | DRIVE UNIT - A drive unit includes a motor disposed in a motor case, a controller, disposed in a controller case, and a lever. The lever includes a supported portion that is fitted on a support of the controller case in a rotatable manner, a first action point at a first distance from the supported portion, and a second action point at a second distance from the supported portion. When the lever rotates from a close state toward an open state according to an application of a first force to the first action point, the second action point abuts on a specific part on the motor case, thereby generating a second force from the second action point to the specific part in a parallel direction of the axis of the motor case, with its reaction force reversely applied from the supported portion to the support as a third force. | 11-15-2012 |
| 20120299451 | Stator assembly for motor and motor including the same - There are provided a stator assembly for a motor and a motor including the same. The stator assembly includes a base supporting a core having a coil wound therearound, the coil generating rotational driving force; a printed circuit board disposed between the core and the base and electrically connected to a lead wire of the coil; and a penetration part formed to penetrate through the base to thereby allow the printed circuit board to pass therethrough. | 11-29-2012 |
| 20120306328 | SEMICONDUCTOR DEVICE AND DRIVING APPARATUS INCLUDING SEMICONDUCTOR DEVICE - A semiconductor device includes a semiconductor module and a pressing member configured to press the semiconductor module to a heat radiation member. The semiconductor module includes switching elements, conductors, and a molded member. Each of the switching elements is mounted on a corresponding one of the conductors. The molded member covers the switching elements and the conductors. More than three of the switching elements are disposed around the pressing member. The switching elements are disposed in a region in which a pressure generated between the semiconductor module and the heat radiation member by pressing with the pressing member is greater than or equal to a predetermined pressure with which heat generated from the switching elements is releasable from the semiconductor module to the heat radiation member. | 12-06-2012 |
| 20120313492 | ELECTROMAGNETIC ROTARY ELECTRIC MACHINE - A stator that includes stator windings wound around teeth. A rotor includes: a rotor core; rotor windings wound around main salient poles of the rotor; and a diode serving as a magnetic characteristic adjustment portion that causes magnetic characteristics produced on the main salient poles by electromotive forces induced in the rotor windings to differ in the circumferential direction of the rotor. The rotor has auxiliary salient poles that are each protruded from a side surface of each main salient pole in the circumferential direction. In each of rotor slots formed between the main salient poles adjacent to each other in the circumferential direction, the auxiliary salient poles adjacent to each other in the circumferential direction are connected to each other within the rotor slot. In each rotor slot, at least a portion of the rotor windings is disposed radially inside the auxiliary salient poles. | 12-13-2012 |
| 20120319541 | DEVICE FOR SUPPLYING ELECTRICAL CURRENT TO AN ELECTRIC FAN SET OF A MOTOR VEHICLE - The invention relates to a device for supplying electrical current to an electric fan set of a motor vehicle, said device comprising a brush-holder plate ( | 12-20-2012 |
| 20120319542 | INVERTER-INTEGRATED DRIVING MODULE AND MANUFACTURING METHOD THEREFOR - Phase coils are each configured by winding a conductor wire in a concentrated winding consecutively on three circumferentially consecutive tooth portions, six inverter units of an inverter module are each disposed in close proximity to a motor so as to face each of the phase coils axially, and the motor and the inverter module are electrically connected by connecting an alternating-current output terminals of each of the plurality of inverter units to output wires of the phase coils that face the inverter units axially. | 12-20-2012 |
| 20130049553 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a rotor part including a shaft and a rotor case coupled to the shaft to rotate integrally with the shaft, having a rotor magnet coupled to an inner side thereof, and having a disk mounted on one surface thereof; and a stator part including a base plate having the rotor part coupled thereto, a bearing part rotatably supporting the shaft, and an armature having a stator core part coupled to an outer peripheral surface of the bearing part so as to face the rotor magnet and a coil wound several times around the stator core part, wherein the stator core part is formed by stacking a plurality of stator cores having different thickness ratios. | 02-28-2013 |
| 20130057121 | ELECTRICAL ROTATING MACHINE - An electrical rotating machine which includes: a rotor; a stator provided with an armature winding, the rotor and the stator being housed in a housing space formed by a front bracket and a rear bracket; and a rear cover provided with a circumferential side wall and a bottom wall and disposed near the bottom of the rear bracket. The rear cover includes a plurality of engaging openings formed in the circumferential side wall of the rear cover, and steps of the engaging openings each produced by the difference between the diameter of the side wall on the bottom wall side and the diameter of the side wall on the end opening side. The bracket has engaging portions inserted into the corresponding steps for fixing the rear bracket. | 03-07-2013 |
| 20130069492 | INTEGRATED MOTOR DRIVE AND BATTERY CHARGING SYSTEM - In one possible embodiment, a motor charging system for connection with a battery is provided having a rotor and a stator. The stator has delta H-bridge connected windings. The delta H-bridge includes an inverter at one side and a switching means at another side with each winding being connected between inverter pole switches and switching means pole switches. An A/C power port is connected to the windings such that when the switching means is off the A/C power port is connected to the battery bus via the windings and the inverter. | 03-21-2013 |
| 20130069493 | MOTOR CONTROL DEVICE - A motor control device has a square metallic board, an electric-motor driving switching element mounted on the metallic board, a printed board disposed above the metallic board, a case that accommodates the metallic board and the printed board, a connection portion disposed on a side surface of the case, perpendicular to the metallic board and the printed board, that connects an electric motor and the switching element, an electric-motor controlling semiconductor element mounted in a square region of the printed board located immediately above the metallic board, a power supply component and a connector mounted outside the square region of the printed board, and a terminal that connects board surfaces of the metallic board and the printed board. | 03-21-2013 |
| 20130069494 | INVERTER MODULE AND INVERTER INTEGRATED ELECTRIC COMPRESSOR - The present invention has an object to provide an inverter module and an inverter integrated electric compressor capable of reliably suppressing noise interference on a control circuit board and facilitating filling with a resin gel material. Provided is an inverter module including a power system circuit board and a control circuit board ( | 03-21-2013 |
| 20130093296 | METHODS AND APPARATUS FOR REDUCING SIZE AND COSTS OF MOTOR CONTROLLERS FOR ELECTRIC MOTORS - An electric motor that includes an electronic motor controller is described. The electronic motor controller includes a motor management circuit and a power supply circuit physically separate from the motor management circuit. The motor management circuit includes an insulated metal substrate, driver components operably attached to the insulated metal substrate and operable to provide output signals for application to windings of the electric motor, at least one current sensor operable for sensing an amount of current applied to the windings of and electric motor, and at least one control device operably attached to the insulated metal substrate for controlling operation of the driver components. The power supply circuit includes a composite circuit card and power processing components operably attached to the circuit card and operable to convert an input voltage into at least one output voltage to be supplied to the motor management circuit. | 04-18-2013 |
| 20130106255 | INVERTER | 05-02-2013 |
| 20130106256 | POWER CONVERSION SYSTEM | 05-02-2013 |
| 20130119834 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - A control circuit board ( | 05-16-2013 |
| 20130127305 | ELECTRIC DRIVE UNIT - An electric drive unit includes an inverter, a stator that receives an AC current from the inverter and forms a magnetic field, a rotor rotated by the magnetic field formed by the stator, a shaft that protrudes into both sides in an axial direction of the rotor and moves in synchronization with the rotor, an inverter casing that stores the inverter in a galvanic isolation state, and a motor housing. The motor housing stores the stator and the rotor in a galvanic isolation state, rotatably supports one end of the shaft using a first bearing, and rotatably supports the other end of the shaft using a second bearing. The inverter and the inverter casing are arranged in an inner side from a pair of bearings including the first and second bearings. | 05-23-2013 |
| 20130187517 | ELECTRIC POWER STEERING DEVICE - An electric power steering device includes a first housing | 07-25-2013 |
| 20130193813 | INTEGRATED HIGH-VOLTAGE DIRECT CURRENT ELECTRIC POWER GENERATING SYSTEM - An integrated high-voltage direct current (HVDC) electric power generating system (EPGS) comprises a permanent magnet generator (PMG) including a PMG stator and a PMG rotor, wherein the PMG is disposed within a PMG housing. Also included is an armature winding operably connected to the PMG and a first rectifier for converting high-voltage AC from the armature winding, wherein the armature winding is in communication with a first boost inductor, wherein the armature winding, the first rectifier and the first boost inductor are each disposed within the PMG housing. The armature winding is operably connected to a second rectifier for converting high-voltage AC from the armature winding, wherein the armature winding is in communication with a second boost inductor, wherein the armature winding, the second rectifier and the second boost inductor are each disposed within the PMG housing. | 08-01-2013 |
| 20130207525 | RECTIFIER ARRANGEMENT HAVING SCHOTTKY DIODES - A rectifier system having press-in diodes that contain a Schottky diode as semiconductor element. The Schottky diodes are operated in an operating range in which the diode losses increase as the temperature increases. | 08-15-2013 |
| 20130234567 | ELECTRIC MACHINE FOR THE MOTORIZED ADJUSTMENT OF MOVABLE PARTS IN THE MOTOR VEHICLE, AND METHOD FOR PRODUCING THE ELECTRIC MACHINE - An electric machine ( | 09-12-2013 |
| 20130241367 | EXCITER OF A ROTARY ELECTRIC MACHINE - Segments formed by dividing a core equally in a circumferential direction are constituted by laminating a plurality of magnetic steel sheets, and each of the segments has an inner wall part, an outer wall part, and a base part. The inner wall part and the base part are constituted by laminating substantially L-shaped magnetic steel sheets in the circumferential direction of the segment. The outer wall part has, when seen from the axial direction, a shape of an arc that has an equal distance from a center of the core, and is constituted by laminating the magnetic steel sheets, which are bent into an arc-shape, in the radial direction of the segment. The outer circumference end part of the base part is inserted into a recessed portion recessed in the outer wall part, and is fixed. | 09-19-2013 |
| 20130241368 | Rotating Electrical Machine And Corresponding Method - A rotating electrical machine including a stator or rotor including a plurality of serially connected switching cells. Each switching cell includes a winding subsection and a current reverser arranged to controllably alter a current direction through the winding subsection, and each current reverser includes a capacitor arranged to form a resonant circuit in cooperation with the winding subsection. | 09-19-2013 |
| 20130241369 | AUTOMOTIVE ROTARY ELECTRIC MACHINE AND WINDING ASSEMBLY MANUFACTURING METHOD THAT IS USED THEREFOR - A winding assembly includes: slot-housed portions housed inside each of the slots of the stator core so as to form pairs that line up in an inner layer and an outer layer relative to a slot depth direction; first return portions at a first axial end of the stator core that link end portions of the slot-housed portions housed in the inner layer inside each of the slots and end portions of the slot-housed portions housed in the outer layer inside the slots that are (N−M) slots away; and second return portions at a second axial end of the stator core that link end portions of the slot-housed portions housed in the outer layer inside each of the slots and end portions of the slot-housed portions housed in the inner layer inside the slots that are (N+M) slots away. | 09-19-2013 |
| 20130249356 | MOTOR DRIVE APPARATUS - A motor drive control apparatus | 09-26-2013 |
| 20130285513 | CONTROL DEVICE AND MOTOR UNIT INCLUDING CONTROL DEVICE - A control device for a motor unit includes: a housing including a bottom wall, a side wall and an accommodation space formed so as to be surrounded by the side wall; a heat sink including a first heat dissipation wall portion upright from the bottom wall in the accommodation space, the first heat dissipation wall portion upright having a first heat dissipation principal surface; a first board portion mounted on the first heat dissipation principal surface and having a first principal surface; and a circuit board including a power element mounted on the first principal surface. | 10-31-2013 |
| 20130300264 | ELECTRIC POWER STEERING APPARATUS - A control device is made more compact and an electric power steering apparatus achieving excellent ease of assembly and ease of mounting is provided by disposing the control device between a shaft of an electric motor and a gear shaft of a speed reduction structure. A control device ( | 11-14-2013 |
| 20130313948 | Electric Motor/Generator With Multiple Individually Controlled Turn-Less Structures - A topological change in motor philosophy based on a turn-less stator that is coupled to independent inverters with separate drives is presented herein. The turn-less stator has a multitude of parallel H bridges and an extremely low impedance. This combination of a turn-less stator and independent inverters is unlike conventional motor and actuator technology that requires multi-turn windings for impedance matching with conventional high impedance power systems. | 11-28-2013 |
| 20130320818 | SEMICONDUCTOR DEVICE, INVERTER DEVICE PROVIDED WITH SEMICONDUCTOR DEVICE, AND IN-VEHICLE ROTATING ELECTRICAL MACHINE PROVIDED WITH SEMICONDUCTOR DEVICE AND INVERTER DEVICE - Provided is a semiconductor device including: a first MOS-FET ( | 12-05-2013 |
| 20130334937 | ROTARY ELECTRIC MACHINE DRIVING SYSTEM - A stator has multi-phase stator coils that are wound around a stator core by concentrated winding. A rotor has rotor coils that are wound at multiple portions of a rotor core in the circumferential direction and diodes that serve as rectifier unit that is connected to the rotor coils and that varies the magnetic characteristics of the respective rotor coils alternately in the circumferential direction. A rotary electric machine driving system includes a decreasing pulse superimposing unit that superimposes decreasing pulse current for a pulse-shaped decrease on a q-axis current command for passing currents through the stator coils. | 12-19-2013 |
| 20140001927 | RECTIFIERARRANGEMENT HAVING SCHOTTKY DIODES | 01-02-2014 |
| 20140021833 | MOTOR UNIT - A motor unit includes an electric motor that has a motor bracket that is fixed to an end portion of a motor housing that houses a rotor and a stator; a gear housing fixed to the motor bracket; and a circuit board that controls driving of the electric motor. The circuit board is wrapped on an outer face of a side wall of the gear housing. | 01-23-2014 |
| 20140028161 | MOTOR CONTROL UNIT AND BRUSHLESS MOTOR - A motor control unit includes two circuit boards accommodated in a board housing, and a connection holder placed on an outer face of the board housing. The connection holder includes external connection terminals and connection pins. Each one of the circuit boards is provided with multiple through-holes for receiving the connection pins, each of which is formed of an external connection pin and an internal connection pin. The connection holder and the circuit boards are placed such that the connection pins penetrate the through-holes of the circuit boards respectively. | 01-30-2014 |
| 20140035445 | ROTATING ELECTRIC MACHINE AND ELECTRIC POWER STEERING APPARATUS - A rotating electric machine for driving a drive object includes a heat sink having a cavity on a first face, a power module disposed on the heat sink for switching a power supply for the winding, a power wiring part disposed on the first face of the heat sink and electrically connected to the power module for flowing a drive electric current to the winding, a control wiring part disposed on a second face of the heat sink and electrically connected to the power module for flowing a control electric current that controls the power module, and at least one electrolytic capacitor disposed in the power wiring part and housed in the cavity, thereby preventing an abnormality of the electrolytic capacitor from causing an abnormality of the control wiring part. | 02-06-2014 |
| 20140062267 | Design Improvements for Flux Switching Machines - Disclosed herein is a design for flux switching machines with one or more armature windings which can deliver controlled torque, in either selected direction on start up, without the use of a mechanical position sensor. Flux switching machines without sensors can operate equally well in either direction. The invention discloses design features for such machines which improves the torque profile of the motor with angle. In three phase machines this delivers higher torque and lower ripple torque. In single phase flux switching machines the invention allows the rotor to be placed in a position where maximum torque can be delivered in either direction by selection of either positive or negative armature current. Rotor slotting is introduced to create a path of low permeability across a rotor tooth with minimal impact on the normal torque producing flux paths. Asymmetry of stator slots is used to further create a stable rotor position when energised by predominantly field means or armature means. Starting of the rotor from this stable position can be achieved in either direction. The method is suitable for starting permanent magnet flux switching motors. The invention results in low cost single phase motors which can start and run in either direction and three phase flux switching motors with improved performance over the prior art. | 03-06-2014 |
| 20140111066 | ROTARY MACHINE AND DRIVE SYSTEM THEREFOR - A rotary machine includes two sets of three-phase stator winding wires and two sets of inverters connected to the same direct-current power supply. Alternating-current terminals of the inverters are respectively connected to the three-phase stator winding wires. Stator winding wires are housed in a plurality of slots to form a stator. The two sets of three-phase stator winding wires and the stator winding wires in the same phase of the sets are started to be wound from the slot positions, with phases thereof being different from each other by 180 degrees, among the plurality of slots and are finished being wound in the slot positions, with phases thereof different from each other by 180 degrees. Winding end points of the three-phase stator winding wires are respectively connected in common, and alternating-current voltages having the same magnitude and opposite phases are applied to the two sets of three-phase stator winding wire. | 04-24-2014 |
| 20140117817 | System for Collecting Stray Energy - A converter system for generating electrical signal from an optical signal utilizes a collector for collecting an energy source as an optical signal. The collected optical signal is transmitted to a receiver which is associated with a converter for converting the optical signal to an electric signal. In one embodiment the converter system is incorporated in an electric motor of the type having a housing, a rotating shaft mounted in the housing, a commutator on the shaft, and a pair of permanent magnets, whereby the shaft is rotated in response to electrical power being applied to the commutator. The system includes an optical collector mounted in the housing in non-interfering relationship with the commutator and the shaft, whereby the optical collector is adapted for generating an optical signal from the stray energy in the motor housing when power is applied to the motor and the shaft is rotating. The optical signal thus generated is transmitted to the receiver. | 05-01-2014 |
| 20140145565 | Electronic Assembly Group and Method for Producing the Same - An electronic assembly group comprising a printed circuit board structure in a multilayer configuration that has at least two electrically conductive layers. The electronic assembly group also comprises an additional passive component that is connected to the two electrically conductive layers, each of which has at least one segment that extends beyond the multilayer structure to form connection regions, the passive component making contact directly at the connection regions. | 05-29-2014 |
| 20140184033 | DC MOTOR MODULE AND POWER DRIVING DEVICE THEREOF - A power driving device includes six semiconductor switches and three reverse breakdown diodes. The semiconductor switches has a first end and a second end respectively, and the semiconductor switches are three upper arm semiconductor switches and three lower arm semiconductor switches, wherein end first ends of the upper arm semiconductor switches are electrically connected together, and the second ends electrically connected to each coil of a three-phase coil assembly; the second ends of the lower arm semiconductor switches electrically connected together, and the first ends electrically connected to the second ends of the upper arm semiconductor switches respectively; each diode has an anode and a cathode, wherein the anodes are electrically connected to the second ends of the upper semiconductor switches respectively, and the cathodes are electrically connected to the first ends of the upper arm semiconductor switches respectively. | 07-03-2014 |
| 20140197717 | DRIVE UNIT FOR A REVOLVING DOOR WITH AN INTEGRATED BLOCKING DEVICE AND/OR BRAKING DEVICE - A drive unit for a revolving door having a turnstile includes: an electronically commutated multipole motor having: (i) a disk-shaped or cup-shaped stator part configured to be arrangable at a stationary structural component part of the revolving door, (ii) a disk-shaped or cup-shaped rotor part configured to be gearlessly connectable to the turnstile of the revolving door, and (iii) an engagement device arranged between the stator part and the rotor part, the engagement device being configured to intervene in rotational movement of the rotor part. The stator part and the rotor part are in a plane-parallel arrangement with respect to one another. | 07-17-2014 |
| 20140197718 | LOW-PROFILE, DISK-SHAPED DRIVE UNIT FOR A REVOLVING DOOR - A drive unit for a revolving door with an electronically commutated multipole motor having a quantity of coil elements and a quantity of magnet elements. The multipole motor has a flat base structure and a disk-shaped or cup-shaped stator part arranged at a stationary structural component part. A disk-shaped or cup-shaped rotor part is arranged in a plane-parallel manner with respect to the stator part and can be drivingly connected to a turnstile of the revolving door. The coil elements and the magnet elements are received in an area between the stator part and the rotor part. | 07-17-2014 |
| 20140210320 | ELECTRIC MACHINE AND RECTIFIER ASSEMBLY THEREFOR - An electric machine having a rectifier assembly placed within a rotating shaft of the electric machine to convert the AC output of the electric machine to DC prior to transmission of the electricity from the electric machine. | 07-31-2014 |
| 20140217859 | PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE AND VEHICLE USING THE ELECTRICAL MACHINE - Permanent magnet type rotating electrical machine with rotor core including a plurality of magnet insertion holes, each having a substantially rectangular cross section, for each magnetic pole. A nonmagnetic section is formed at both ends of the magnet insertion hole in a circumferential direction. Between adjacent magnet insertion holes, a bridge section mechanically connects a rotor core section on the outside of the magnet insertion hole and a rotor core section on the inside thereof. Clearance sections for a corner of the permanent magnet inserted in magnet insertion hole projected in the circumferential direction and a radial direction of the rotor are provided at a corner between surface of the magnet insertion hole on the bridge section and a surface on the outside of the rotor and at a corner between surface of the magnet insertion hole on the bridge section and a surface on the inside of the rotor. | 08-07-2014 |
| 20140239777 | ROTATING RECTIFIER ASSEMBLY FOR ELECTRIC MACHINE - An electric machine having a rectifier assembly placed within a rotating shaft of the electric machine to convert the AC output of the electric machine to DC prior to transmission of the electricity from the electric machine. | 08-28-2014 |
| 20140239778 | ROTATING RECTIFIER ASSEMBLY AND METHOD - A rectifier assembly and method are provided. The rectifier assembly includes a cover comprising a flange having an annular channel extending around an outer circumference of the flange, an annular bus bar, an insulator ring, and an outer housing for receiving the insulator ring, the annular bus bar and the outer housing. A snap ring is positioned within the annular channel of the outer circumference of the flange, wherein an outer circumference of the snap ring is located within a snap ring retention channel located around an inner diameter of the outer housing to retain the cover, the annular bus bar, and the insulator ring within the outer housing. | 08-28-2014 |
| 20140239779 | INVERTER-INTEGRATED ROTATING ELECTRICAL APPARATUS - An inverter-integrated rotating electrical apparatus includes a rotating electrical machine and an inverter case. The rotating electrical machine has a housing. The housing has an end wall, which is located at an axial end of the rotating electrical machine. The inverter case accommodates inverter components fixed to the outer surface of the end wall of the housing. The inverter case includes a metal plate portion that faces the end wall of the housing. The metal plate portion forms a heat sink for cooling the inverter components. The metal plate portion has thereon cooling fins located on the outer surface of the inverter case. The metal plate portion also includes therein an accommodating recess located inside the inverter case. The accommodating recess is recessed toward the end wall of the housing and accommodates a capacitor, which is an inverter component. | 08-28-2014 |
| 20140239780 | INTEGRAL-TYPE ELECTRIC POWER STEERING DEVICE - An integral-type electric power steering device is configured in such a way that a motor component ( | 08-28-2014 |
| 20140246959 | VEHICLE AC GENERATOR - Provided is a vehicle AC generator that further enhances safety at the time of a vehicle collision, without resorting to changes in material or changes in overall thickness. A vehicle AC generator | 09-04-2014 |
| 20140265743 | POWER ELECTRONICS SPRING LOADED BETWEEN COVER AND HOUSING - An electric machine includes a housing having a cooling jacket at an axial end thereof, a plurality of power electronic components mounted to the axial end of the housing proximate the cooling jacket, a cover for enclosing the electronic components, and a biasing member that axially urges the electronic components against the housing. An electric machine includes a cooling jacket in an axial end of a housing, power electronic components, and a spring member for urging the power electronic components against the cooling jacket. A method of cooling an electric machine includes providing a cooling jacket in an axial end of a housing and biasing power electronic components against the cooling jacket. | 09-18-2014 |
| 20140265744 | GENERATOR ARCHITECTURE WITH PMG EXCITER AND MAIN FIELD ROTATING POWER CONVERTER - A generator includes a stationary portion and a rotating portion. The stationary portion includes a permanent magnet and a main armature winding. The rotating portion includes a main field winding and a main field rotating power converter that regulates current through the main field winding. | 09-18-2014 |
| 20140265745 | STATOR WINDING FOR AN ELECTRIC MOTOR - An electric motor having a rotor core with a rotatable shaft extending therethrough, and a stator positioned radially outward of the rotor core is disclosed herein. The stator can include at least one pair of first and second coils circumferentially positioned on opposing sides of the rotor. Each pair of the first and second coils includes first and second elements electronically isolated from one another. A first frequency converter is electrically connected to a first conductive wire and a second frequency converter is electrically connected to a second conductive wire. The first conductive wire is wound about the first element of the first coil and the first element of the second coil in series and the second conductive wire is wound about the second element of the first coil and the second element of the second coil in series. | 09-18-2014 |
| 20140319977 | GENERATOR OF A GEARLESS WIND TURBINE - The invention relates to a generator of a gearless wind turbine, having a stator and a rotor, and comprising stator windings for generating several alternating currents, in particular at least three alternating currents phase-shifted from each other, rectifying means for rectifying the alternating currents, and at least two direct-current bus bars for collecting the rectified alternating currents. | 10-30-2014 |
| 20140339966 | DRIVING DEVICE - A motor casing of a driving device has a cylindrical wall portion, a bottom wall portion and a bearing holding portion formed in the bottom wall portion. An electric motor has a stator, a shaft and a rotor. A motor control unit controls operation of the electric motor. A first frame, to which the motor control unit is fixed, is provided between the motor control unit and the bottom wall portion of the motor casing. A first contacting portion is formed in the bottom wall portion and projected toward the first frame. The first contacting portion is in contact with the first frame at a front-side surface of the first contacting portion. A contacting surface area between the motor casing and the first frame is limitedly reduced, to thereby reduce noise caused by vibration. In addition, since a sufficient surface pressure can be obtained, strength of the driving device in its axial direction is increased. | 11-20-2014 |
| 20140375180 | ROTATING ELECTRIC MACHINE FOR VEHICLES - A rotating electric machine for vehicles has a rotor, a stator, and an electric power converter. The electric power converter has an even number of switching modules including MOS transistors, and bus bars. Each of the bus bars extends in two directions sandwiching an input/output terminal therebetween while the same number of the MOS modules are connected to each of the bus bars in the two directions. | 12-25-2014 |
| 20150008803 | MOTOR - In an inner-rotor motor, an armature includes a stator core including an annular core back and magnetic pole teeth projecting from the core back; an insulator covering an upper and lower surface of each magnetic pole tooth of the stator core; and coils defined by a conducting wire wound around a separate one of the magnetic pole teeth with the insulator intervening therebetween. The insulator includes at least one protruding portion. An upper end of each protruding portion is arranged at an axial level higher than an axial level of a lower surface of a circuit board. The circuit board includes at least one penetration portion each of which is defined by a cut or a hole, and in each of which a corresponding one of the at least one protruding portion is arranged. | 01-08-2015 |
| 20150008804 | MOTOR CONTROL UNIT - A motor control unit is obtained by integrating an inverter unit and a motor unit having a motor, the inverter unit having a control board erected on a support board. | 01-08-2015 |
| 20150048725 | MAGNETIC MOUNTING WITH FORCE COMPENSATION - The aim of the invention is to better compensate for specifiable forces on a magnetic mounting. This is achieved by a magnetic mounting device with a first magnet device ( | 02-19-2015 |
| 20150061472 | SYNCHRONOUS ELECTRIC MACHINES - According to aspects of the present invention there are provided synchronous electric machines including a stationary electromagnetic stator, a rotor having a rotational axis, wherein the rotor includes a cylindrically shaped structure comprising a plurality of concentric layers, and a plurality of permanent magnets disposed on the cylindrical shaped structure. | 03-05-2015 |
| 20150069886 | WATERPROOF AND DUSTPROOF MOTOR - A motor structure is provided. The motor structure has: a motor; a circuit board including a driver circuit for controlling the motor; an upper shell; a base; a lower shell; an outlet, wherein wires of the circuit board is connected to the exterior of the motor structure through the outlet; a first tight chamber, formed by closing the upper shell and the base together, wherein the motor is disposed in the first tight chamber; and a second tight chamber, formed by closing the base and the lower shell together, wherein the circuit board is disposed in the second tight chamber. | 03-12-2015 |
| 20150097470 | INVERTER MODULE - Provided is an inverter module for use in an inverter-integrated motor, the inverter module being arranged at an axial end portion of a motor, the inverter module including trapezoidal power modules, each of which has a single-phase inverter circuit mounted thereon, and includes an electrical connection terminal for a power supply arranged on a short side thereof and an electrical connection terminal for the motor arranged on a long side thereof. A plurality of the trapezoidal power modules are arranged in an annular pattern so that the long side of the each of the plurality of the trapezoidal power modules faces toward an outer periphery, to thereby construct a polyphase inverter circuit. | 04-09-2015 |
| 20150115780 | GENERATOR - In one embodiment, a generator includes an alternating current exciter to output first, second and third alternating currents respectively having first, second and third phases, and a rotary rectifier to convert the first, second and third alternating currents into first, second and third direct currents, respectively. The generator further includes a rotating shaft on which the exciter and the rectifier are mounted, and plural conductors mounted on the shaft, and including one or more first conductors, one or more second conductors and one or more third conductors to respectively supply the first, second and third alternating currents from the exciter to the rectifier. The plural conductors include one or more conductor groups in each of which two or more conductors are collectively arranged, and each of the conductor groups includes the two or more conductors arranged to cancel a magnetic field around each conductor in the same group. | 04-30-2015 |
| 20150130332 | MOTOR - A motor includes an attachment portion, a first circuit board, and a second circuit board. The attachment portion is fixed to a frame of an apparatus to be driven by the motor. The first circuit board is located axially below coils and axially above the attachment portion. End portions of conducting wires defining the coils are connected to the first circuit board. The second circuit board is located axially below the attachment portion. An AC to DC conversion portion is mounted on the second circuit board. In addition, the attachment portion is arranged between the first and second circuit boards. | 05-14-2015 |
| 20150295478 | MACHINE AND ACCESSORY - An electric machine having a stator and a rotor operably coupled therewith. An accessory is coupled with the electric machine and an electrical device is mounted in a housing. The housing may advantageously include a polymeric shell that is overmolded on a conductive element providing communication between the electrical device and an external circuit. In some embodiments, a printed circuit board is mounted within the housing and thermally coupled with a metallic base member. In other embodiments, a second printed circuit board is provided with the first printed circuit board having a substrate with a greater thermal conductivity than the substrate of the second printed circuit board. The first printed circuit board may include a MOSFET rectifier and may take the form of a ceramic printed circuit board with the second board being an FR-4 board. The electric machine may be advantageously employed as an alternator for a vehicle. | 10-15-2015 |
| 20150295479 | ROTATING RECTIFIER ASSEMBLY FOR ELECTRIC MACHINE - An electric machine having a rectifier assembly placed within a rotating shaft of the electric machine to convert the AC output of the electric machine to the DC input prior to transmission of the electricity from the electric machine. | 10-15-2015 |
| 20150295480 | ELECTRIC MACHINE WITH COMBINED INSULATOR AND TERMINAL ASSEMBLY - An electronics package for an alternator includes an electrically conductive carrier member and a terminal assembly engaging the carrier member. The carrier member includes an inner side, an outer side, and at least one passage extending from the inner side to the outer side. A plurality of switches are connected to the carrier member. The terminal assembly includes an electrically insulative portion and a plurality of electrical traces extending through the electrically insulative portion. The electrically insulative portion includes a post extending through the at least one passage of the carrier member, a first shoulder engaging the outer side of the carrier member, and a second shoulder engaging the inner side of the carrier member. The post, the first shoulder, and second shoulder are all formed as a unitary component. | 10-15-2015 |
| 20150303776 | DRIVING-DEVICE-INTEGRAL-TYPE ROTARY ELECTRIC MACHINE - A driving-device-integral-type rotary electric machine includes a driving device | 10-22-2015 |
| 20150305177 | FIXING STRUCTURE OF ELECTRIC APPARATUS TO VEHICLE - Provided is a fixing structure of an electric apparatus in an engine compartment provided in a front portion of a vehicle. The fixing structure includes a tray, a removal mechanism, and a protecting plate. The tray is fixed in the engine compartment and configured such that the electric apparatus is placed thereon. The removal mechanism is configured to remove the electric apparatus from the tray when the electric apparatus receives a predetermined impact force or more from a front side of the vehicle. The protecting plate is attached to the electric apparatus, and is configured to abut with a structural object placed at a rear side of the vehicle relative to the electric apparatus when the electric apparatus is removed from the tray due to the impact force so as to move rearward. | 10-22-2015 |
| 20150326096 | ELECTRIC MOTOR - A metal gear cover 43, which is provided so as to cover a worm wheel housing 36 | 11-12-2015 |
| 20150333586 | PERMANENT MAGNET TYPE MOTOR AND ELECTRIC POWER STEERING APPARATUS - To obtain a permanent magnet type motor capable of securing controllability of a motor and utilizing reluctance torque. An armature winding is a plurality of sets of polyphase windings; the plurality of sets of the armature winding is supplied with current from each individual inverter; the rotor core is provided with permanent magnets on a surface portion thereof, the permanent magnets being circumferentially arranged and the adjacent permanent magnets having polarities opposite to each other; a protrusion portion is provided between the adjacent permanent magnets, the protrusion portion being provided in a protruding condition from the rotor core and being made of a magnetic substance; and a non-magnetic gap portion is interposed between the protrusion portion and the permanent magnet in a rotating shaft direction. | 11-19-2015 |
| 20150333604 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - Provided is an inverter-integrated electric compressor which comprises an inverter device having a simplified configuration, reduced size and weight, and decreased cost, and which has improved assembly properties and assembly precision, and improved productivity. In this inverter-integrated electric compressor, a P-N terminal is provided on the inverter device main substrate, and a power source-side cable can be connected to the P-N terminal by inserting a connector provided at one end; by arranging and mounting multiple high-voltage electric components on the back of the main substrate in the area where the P-N terminal is arranged, a filter circuit is provided on the main substrate. The multiple high-voltage electric components are integrally coupled via fitting units provided on the housing cases of one another and are arranged in a prescribed position on the back of the main substrate with a positioning means provided on one of the housing cases. | 11-19-2015 |
| 20150333679 | Wound Field Synchronous Machine with Resonant Field Exciter - A brushless field exciter for wound synchronous machines that uses the resonance of the leakage inductance and a capacitor in a resonant field exciter to transfer energy to the rotating field winding. By resonating at frequencies greater than 50 kHz, this exciter reduces the overall size and weight of synchronous wound field motors at all power levels and extends the practical and economic power limits of synchronous wound field machines down to low integral and fractional HP applications, eliminating the permanent magnets now used in high efficiency motors and generators in that power range. | 11-19-2015 |
| 20150349598 | MULTIPLEX WINDING SYNCHRONOUS GENERATOR - A multiplex winding synchronous generator includes a stator core with a plurality of winding slots; and power coils being distributed in each of the winding slots that are configured to supply multi-phase alternating current (AC) power. Also, the stator core includes at least two sets of power coils being distributed in the slots. | 12-03-2015 |
| 20160013706 | INVERTER DEVICE AND INVERTER-INTEGRATED ELECTRIC MOTOR | 01-14-2016 |
| 20160013707 | ROTATING RECTIFIER ASSEMBLY FOR ELECTRIC MACHINE | 01-14-2016 |
| 20160021765 | MOTOR CONTROLLER AND MOTOR COMPRISING THE SAME - A motor controller, including: a control box, a control circuit board, a first press strip, a control chip, and a plurality of plastic press blocks. The control box includes: an inner wall, a bottom, and a cavity formed by the inner wall and the bottom. The control circuit board is disposed on the bottom of the control box. The control chip is disposed on an outer edge of a top face of the control circuit board. The plastic press blocks are disposed in a middle of an end face of the first press strip. Two ends of the first press strip and the inner wall of the control box are assembled together. The control chip is pressed on the inner wall of the control box via the plastic press blocks. | 01-21-2016 |
| 20160036281 | PERMANENT MAGNET MOTOR AND ELECTRIC POWER STEERING APPARATUS - A permanent magnet motor is provided in which, in flanges each provided in a plurality of teeth, lateral side portions of the flanges oppose to lateral side portions the flanges being provided in adjacent teeth and protruding in a circumferential direction of a stator core; when a height in the lateral side portion of the flanges in a radial direction of the stator core is defined as “h,” and the length of a magnetic air gap is defined as “g,” the relationship “1≦h/g≦2” is held; and also, when a circumferential distance between opposing faces of the flanges being adjacent to each other is defined as “a,” the relationship “a/g≧0.2” is satisfied. | 02-04-2016 |
| 20160036302 | ELECTRIC MACHINE, MACHINE CONTROLLER AND ASSOCIATED METHOD - An electric machine is provided. The electric machine includes stator having an electromagnetic coil and a rotor. The rotor is configured to rotate relative to the stator. The electric machine thriller includes a controller. The controller is adapted to control the electromagnetic oil. The controller includes a plurality of electrical components and an isolation member. The isolation member includes a first portion positioned in a first direction between two adjacent electrical components of the plurality of electrical components and a second portion positioned in a second direction normal to the first direction. | 02-04-2016 |
| 20160049838 | SYNCHRONOUS MACHINE - A synchronous machine with a stator ( | 02-18-2016 |
| 20160049850 | ALTERNATING-CURRENT GENERATOR, VOLTAGE REGULATION DEVICE FOR ALTERNATING-CURRENT GENERATOR, AND MANUFACTURING METHODS THEREFOR - To provide an AC generator equipped with a voltage regulation device capable of cost reduction in terms of both of manufacture and device, a voltage regulation device for the AC generator, and a method for manufacturing the same. In an AC generator equipped with a voltage regulation device | 02-18-2016 |
| 20160072359 | ELECTRICAL MACHINE AND CONTROLLER AND METHODS OF ASSEMBLING THE SAME - A fluid circulating assembly includes an electrical machine having a rotor assembly, a stator assembly, and a housing. The housing includes an annular center section and at least two extension portions extending radially outward from the annular center section of the housing. The fluid circulating assembly also includes a controller assembly coupled to the housing. The said controller assembly is positioned radially outward from the stator assembly and located in at least one of the at least two extension portions. | 03-10-2016 |
| 20160072361 | VEHICLE DRIVE DEVICE - A vehicle drive device that includes a rotary electric machine; a transmission device that is disposed side by side with the rotary electric machine in an axial direction thereof; a differential gear device that has a rotation-axial center substantially parallel to that of the transmission device, and is disposed on an axis other than that of the transmission device; and an inverter device that includes a capacitor that smooths direct-current power and a conversion unit that performs direct current/alternating current conversion, and controls the rotary electric machine. | 03-10-2016 |
| 20160072376 | Rectifying Devices and Rectifier Arrangements - A rectifying device includes a power transistor, a gate control circuit and a capacitor structure arranged on a single semiconductor die. The power transistor includes a source or emitter terminal connected to a first terminal of the rectifying device, a drain or collector terminal connected to a second terminal of the rectifying device, and a gate. The gate control circuit is operable to control a gate voltage at the gate of the power transistor based on at least one parameter relating to at least one of a voltage and a current between the first terminal and the second terminal. | 03-10-2016 |
| 20160079835 | ELECTRICAL ROTATING MACHINES - An electrical rotating machine comprises a stator including armature pole coils | 03-17-2016 |
| 20160079836 | DOUBLE-ROTOR TYPE ELECTRICAL ROTATING MACHINES - An electrical rotating machine comprises: a stator including armature pole coils | 03-17-2016 |
| 20160087511 | ELECTRICAL MACHINE - An electrical machine that includes an electronic module including a plurality of electronic components, an electronic module supporting element and a heat sink for dispersing the heat produced by the electronic module; at least a first electronic component amongst the electronic components of the electronic module is facing towards the heat sink and in thermal contact with it and the electrical machine includes a spring acting between the supporting element and the first electronic component for pushing it away from the supporting element towards the heat sink. | 03-24-2016 |
| 20160094104 | DRIVE APPARATUS - In a drive apparatus, a motor unit is received in an inside of a tubular section of a motor case, and a bottom plate section is fixed to a gear box. A closure is fitted to an inner wall of the tubular section on an inner side of an opening edge part of the motor case. A control device cover is fixed to an end part of the motor case, which is opposite from the gear box, to cover a control device. An O-ring fluid-tightly seals between the motor case and the gear box, and a bonding agent fluid-tightly seals between the control device cover and the motor case. | 03-31-2016 |
| 20160094114 | Synchronous Machine With Common Motor/Generator Exciter Stage - A synchronous machine ( | 03-31-2016 |
| 20160099627 | ELECTRIC MACHINE, BARRIER AND ASSOCIATED KIT - According to an embodiment of the invention, an electric machine is provided. The machine includes a support structure, a stator secured to the support structure, and a rotor rotatably secured to the support structure. The machine also includes a circuit board positioned at least partially within the support structure. The circuit board is adapted for controlling an electromagnetic field produced by the stator. The machine also includes a potting material in contact with a first surface of the circuit board and a harrier for at least partially containing the potting material. | 04-07-2016 |
| 20160099658 | Synchronous Rectifier and Alternator Using the Same - A rectifier | 04-07-2016 |
| 20160126817 | Automobile automatic transmission - An automobile automatic transmission with a double-rotor structure, comprising an internal rotor ( | 05-05-2016 |
| 20160164361 | LARGE OUTPUT, HIGH EFFICIENCY, SINGLE PHASE, MULTI-POLAR POWER GENERATOR - Provided is a large output, high efficiency, single phase, multi-polar power generator, the output of which can be increased and the material of which can be reduced in amount, with a simple structure. The power generator has a rotor having m or 2·m (m: an even integer not smaller than 2) magnetic pole portions arranged so as to alternately have different polarities in a circumferential direction, and a stator having m·n (n: 3 or 4) teeth-projecting in such a direction as to be opposed to the rotor, the teeth being formed at equal spaces in a circumferential direction. The stator has m stator coils wound around the teeth at equal intervals in a circumferential direction. Each of the stator coils is wound around adjacent n−1 ones of the teeth. With this structure, the output of the power generator is increased and the material thereof is reduced in amount. | 06-09-2016 |
| 20160172935 | VARIABLE SPEED DRIVE ARRANGEMENT | 06-16-2016 |
| 20160172947 | MAGNETIC ROTATING APPARATUS, ELECTRIC MOTOR, AND MOTOR GENERATOR | 06-16-2016 |
| 20160181883 | DRIVE DEVICE | 06-23-2016 |
| 20180023593 | ELECTRIC SUPERCHARGER | 01-25-2018 |
| 20100039003 | ELECTROMOTIVE ACTUATING DRIVE - An electric motor actuating drive for actuating elements designed such that the drive train, which is formed from spur gears, is not self-locking, and such that a braking spring is operatively connected to a gearbox stage upstream of the output-drive element of the drive train, such that, when the drive motor is disconnected, the actuating element is effectively prevented from being moved even when attempts are made to move it by external force or by extreme force. Furthermore, the actuating drive is in the form of a spring return and is equipped with a drive spring which is arranged such that the load on it is removed in the event of electrical power failure, and it therefore acts as a drive element. Furthermore, the electrical components are arranged in an end-face housing wall for a compact design. | 02-18-2010 |
| 20130088125 | DRIVING DEVICE FOR AN ELECTRIC EYELASH BRUSH - An electric eyelash brush includes a rotatable member, a contact plate unit, a connector and a motor. The rotatable member has multiple holes on the top thereof and multiple ribs extend upward from outside periphery of the rotatable member. The contact plate unit has two contact plates and each contact plate has a horizontal end and a vertical end which abut against the inside of the hole. The horizontal end has two contact points respectively located on two sides thereof and the contact points are located on the top of the rotatable member. The connector has multiple slots corresponding to the ribs. The motor has a shaft at one end and has two conductive plates at another end. The motor is connected to the connector and the conductive plates are passing through the connector and corresponding to the contact plate unit. | 04-11-2013 |
| 20140015383 | FORWARD/REVERSE SWITCHING DEVICE FOR POWER TOOLS - A power tool includes a housing, an electric motor mounted in the housing, and a switching device for reversing rotation direction of the motor. The switching device includes an actuator slidably secured to the housing and movable between first and second positions. The actuator includes a magnet. A first ferromagnetic member is attached to a first housing section so as to be within range of attraction force of the magnet when the actuator is in the first position and a second ferromagnetic member is attached to a second housing section so as to be within range of attraction force of the magnet when the actuator is in the second position. A hall sensor is attached to the housing so as to be proximate the magnet as the actuator is moved between first and second positions. Proximity of the magnet and hall sensor reverses the direction of rotation of the motor. | 01-16-2014 |
| 20140028159 | ELECTRIC ACTUATOR - An electric actuator includes a motor, an electricity storing body, a manual operating unit, a switch and a resetting unit. In a state wherein a controlled element has arrived at a first opening and a supply of power to the motor from the electricity storing body is cut off, the motor and the controlled element are in a non-linked state only while a button is pushed. The switch keeps a supply path of electric power open when the button has been pressed once. The resetting unit closes the switch at a point in time that the controlled element that is driven by the motor arrives at a specific second opening at a time of restoration of the external power supply in a state wherein the non-linked state of the motor and the controlled element by the button has been undone. | 01-30-2014 |
| 20150349604 | SIDE-MOUNTED INTEGRATED MOTOR CONDUIT AND INTERFACE BOX - An electric motor is provided. The motor includes a stator and a rotor. The rotor is rotatable about an axis. The motor has a motor case fixed relative to the stator. An integrated conduit and interface box houses a power terminal and a user interface. The user interface is operable to permit a user to selectively vary a motor condition. The box is positioned substantially radially outside the motor case. | 12-03-2015 |
| 20120256524 | STARTER MACHINE SYSTEM AND METHOD - Embodiments of the invention provide a starter machine control system including an electronic control unit. The control system can include a starter machine that is in communication with the electronic control unit. The starter machine can comprise a solenoid assembly that includes at least one biasing members and a coil winding. The starter machine can also include a motor that is coupled to a pinion. The motor can include a field assembly and an armature assembly. The field assembly can include a support body and permanent magnets that are supported within the support body. A plurality of flux members can be disposed between the permanent magnets. A plurality of windings can be disposed around the flux members and can be coupled to a control circuit. | 10-11-2012 |
| 20130154449 | Disk-shaped multi-combined three-dimensional permanent magnet motor - A disk-shaped multi combined three-dimensional permanent magnet motor is provided. Two independent disk-shaped stators are respectively provided on a left side and a right side in a shell. A disk-shaped rotor with permanent magnets adhered on both a left face and a right face thereof is provided between the two independent disk-shaped stators. Spindle hole in the center of the rotor is coupled with a spindle of the main dynamical axis. Nine motor winding coils provided in side face slots of the disk-shaped stators are a unit for one motor. The left and right stators serve as one group to determine pole-pairs number of the motor which further determines numbers of the permanent magnets adhered. The motor is capable of driving load at low speed and meeting the function requirements of low-speed and high torque, which greatly improve efficiency of the whole machine. | 06-20-2013 |
| 20150325395 | Centrifugal Actuator Switch With A Limiter For Spring Movement - A centrifugal actuator switch includes a sleeve having a collar on which two protuberances are formed. Each protuberance engages a biasing member to limit movement of the biasing member when weighted lever arms of the switch are extended by centrifugal force as they rotate at a predetermined rotational speed. | 11-12-2015 |
| 20080238268 | Brushless automotive alternator having easily-replaceable protective resistor - A brushless alternator includes a stationary field winding, a rotor, a stator, a rectifier, a terminal, and a protective resistor. The stationary field winding creates a magnetic flux. The rotor creates a rotating magnetic field with the magnetic flux created by the field winding. The stator includes three different-phase windings to generate a three-phase AC power in the rotating magnetic field created by the rotor. The rectifier rectifies the three-phase AC power generated by the stator into a DC power. The terminal is provided so that AC power generated by one of the three windings of the stator can be output from the alternator to external through the terminal. The protective resistor is electrically connected between the terminal and the one of the three windings of the stator to protect the alternator from electrical damage. | 10-02-2008 |
| 20080297011 | INTEGRATED CONTROLLER/MOTOR WITH THERMAL OVERLOAD SENSOR - An integrated controller/motor energized by a power supply includes a controller that has controller circuits and a pair of controller lead lines connectable in circuit between the power supply and the controller circuits. The integrated controller/motor also includes a motor that has a first motor winding and a second motor winding each in circuit with the controller circuits and a thermal overload sensor located in direct proximity to the first motor winding and the second motor winding. The thermal overload sensor may be connected in series with at least one of the controller lead lines. A method of protecting an integrated controller/motor from thermal overload is also presented. | 12-04-2008 |
| 20090026894 | ROBUST STATOR WINDING TEMPERATURE SENSOR - Disclosed herein, among other things, is a stator winding temperature sensor. According to an embodiment, the sensor includes at least one sensing wire coil adapted to be connected to a stator. The sensor also includes a body, including a core material surrounding at least a portion of the sensing wire coil, and a laminate material over the core material. The body has a thickness adapted to protect the sensing wire coil. The sensor includes a lead wire adapted to connect to an external monitoring device. The sensing wire coil is electrically connected to the lead wire at a lead step portion of the sensor. In addition, the sensor includes a tab extending from the lead wire and encompassing the lead step. The tab protects the lead step and the sensing wire coil in a region where the sensor extends over an end of the stator. | 01-29-2009 |
| 20090091218 | TEMPERATURE PROTECTION DEVICE FOR BRUSHLESS DC MOTOR - A temperature protection device for a brushless DC Motor, wherein a thermal fusing type protector is provided at a depression formed on a casing of the plastic-packaged brushless DC Motor. In this way, the thermal fusing type protector can be provided conveniently at a position where the casing temperature is highest after plastic packaging, and if the protector is fused due to high temperature, it can be replaced easily. | 04-09-2009 |
| 20090140614 | STATOR OF A DYNAMOELECTRIC MACHINE EQUIPPED WITH TEMPERATURE DETECTION - A stator for a dynamoelectric machine includes a stator body having slots and a winding system positioned in the slots of the stator body and having coils terminating in winding heads on end faces of the stator body, wherein each slot receives different coil sides of neighboring coils. Arranged between the coil sides in at least one of the slots is a temperature sensor to ascertain a temperature in the stator, in particular between the coil sides of the winding system in the slots of the stator. | 06-04-2009 |
| 20090153000 | MOTOR, THERMISTOR, AND MANUFACTURING METHOD OF THE SAME - A thermistor device configures part of an electrical path from a motor feeder section to an armature. A recess defining wall defines an accommodating recess, which accommodates the thermistor device. The thermistor device includes a plate-like thermistor element. A first conductive plate and a second conductive plate sandwich the thermistor element. A pair of first projections | 06-18-2009 |
| 20100301713 | MOTOR ARRANGEMENT WITH AN ELECTRONIC ISOLATING RELAY MODULE - The invention relates to a motor arrangement, in particular for use in an electronic steering system, comprising a polyphase motor ( | 12-02-2010 |
| 20110080072 | STATOR ARRANGEMENT FOR AN ELECTRIC MOTOR - A stator arrangement for an electric motor. The stator arrangement including a laminated stator core with stator windings running through stator grooves and forming winding overhangs at each end face of the laminated stator core. The stator arrangement also includes an interconnection unit having a switching disk covering the winding overhangs on one end face of the stator. The switching disk further including at least one temperature monitor mounted thereon for monitoring the temperature of the stator windings. The temperature monitor being seated in a holding pocket that is resiliently connected to the switching disk in such a manner that, when positioned in one of the stator grooves, it is resiliently biased into engagement with a stator winding. | 04-07-2011 |
| 20110080073 | MOTOR DRIVE WITH A DEVICE FOR SAFE FITTING WITH A CIRCUIT BREAKER - A motor drive includes a device for safe fitting of the motor drive with a circuit breaker. In at least one embodiment, the device includes a first cover, whose position can be altered, for example by being guided in slotted links, in such a way that only the receiving opening provides a free space for receiving the handle, owing to the overlap by the first cover, and therefore it is only possible for the circuit breaker to be fitted on the motor drive when the handle is in the corresponding position. | 04-07-2011 |
| 20110254411 | SEMICONDUCTOR MODULE AND MOTORIZED EQUIPMENT USING THE SAME - In a power module having two systems of inverter circuits for driving an electric motor of a motorized equipment, a wiring board mounted with power transistors and shunt resistances is embedded in a plate-like mold section. A plurality of lands have radiation surfaces exposed from the mold section. The radiation surfaces of a first land row constituted by a first group of the lands are provided on the same plane and the same straight line, and the radiation surfaces of a second land row constituted by a second group of the lands are provided on the same plane and the same straight line. The radiation surfaces of the first and second land rows are in surface-to-surface contact with a heat sink through insulation radiation sheets to dissipate a heat generated by the power module. | 10-20-2011 |
| 20120043863 | Electrical Machinery and Apparatus - In an electrical machinery and apparatus, a storage space is formed along an extension direction of a strand, and a temperature sensor is installed in the storage space of the strand, so that temperature of the strand can be immediately measured, and no pressure is applied to the temperature sensor in the process of forming a ground wall insulation thereby the temperature of the strand can be accurately measured. | 02-23-2012 |
| 20120200204 | REGULATOR OF VEHICLE AC GENERATOR - A regulator of a vehicle AC generator is formed of an IC regulator of a mold package type and a regulator holder having an IC regulator mount portion. A press-fit fitting structure ( | 08-09-2012 |
| 20130057120 | HERMETIC ELECTRIC COMPRESSOR - An object is to provide a hermetic electric compressor that can simplify the installation structure of an internal protector and improve the ease-of-assembly thereof. | 03-07-2013 |
| 20130200758 | ELECTRIC MOTOR FOR DRIVING A MOTOR VEHICLE COMPONENT - An electric motor for driving a motor vehicle component, in particular a fan motor for chilling cooling water, contains a rotor that includes a commutator, against which a brush rests in a contacting manner. A plastic-sheathed pressed screen for forming a current path that is embossed in an electric insulation is connected to the brush. The current path conducting a motor current is interrupted to form two spaced-apart current path ends. An interruption point is bridged by a contact spring that is used as a temperature fuse and consists of two spring legs, each of which has a fixing end and a free end. Each fixing end of the spring legs is connected to a current path end, while the free ends thereof are in contact with each other using a soldered connection so as to bias the spring. | 08-08-2013 |
| 20130270973 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes: a coil conductor that is fitted to a core of the rotary electric machine to form a coil; a neutral line connected to a neutral point of the coil; and a temperature sensor, on which the neutral line is wound to be in contact therewith, and that detects a temperature of the neutral line, wherein the neutral line is, in a region thereof that is in contact with the temperature sensor, equal in cross-sectional area to the coil conductor. | 10-17-2013 |
| 20130320817 | STATOR OF AN ELECTRICAL MACHINE - A stator of an electrical machine provides a sensor carrier having a spring element that presses the sensor element against one of the coils. | 12-05-2013 |
| 20140103784 | REINFORCED FLEXIBLE TEMPERATURE SENSOR - A stator winding temperature sensor including at least one sensing wire for connecting to a stator. The sensor also includes a body, including a core material comprising a polyimide substrate having an acrylic adhesive surrounding at least a portion of the sensing wire, and a laminate material over the core material. The body has a thickness adapted to protect the sensing wire. The sensor includes a lead wire for connecting to an external monitoring device. The sensing wire is electrically connected to the lead wire at a lead step portion of the sensor. The sensor further includes a tab extending from the lead wire and encompassing the lead step, the tab including a flexible zone where the tab is surrounded by a polyimide and an adhesive but is not surrounded by fiberglass. | 04-17-2014 |
| 20140117816 | MOTOR AND STARTER FOR A VEHICLE - A motor, and a starter for a vehicle including a motor are described. The motor includes an excitation coil and a thermal element. The excitation coil is electrically connected with the bus terminal through which current flows when the motor is in operation. The bus terminal has a thermal contact surface. The thermosensitive element is fixed onto the bus terminal and has a collection surface in thermal contact with the thermal contact surface. The motor is provided with a thermal protection function. | 05-01-2014 |
| 20140132125 | ELECTRICAL MACHINE COMPRISING A SAFETY CIRCUIT - The invention relates to an electrically excited machine ( | 05-15-2014 |
| 20140175953 | Monitoring Device for a Double-Fed Asynchronous Machine - The invention concerns a monitoring device for a double-fed electrodynamic asynchronous machine, having
| 06-26-2014 |
| 20140184032 | SYSTEM FOR PROTECTING AGAINST HEATING FOR A ROTATING ELECTRIC MACHINE, IN PARTICULAR A STARTER - A rotating electric machine including at least a first terminal and a second terminal, and an electric circuit connected to said two terminals, the electric circuit including a field winding. The rotating electric machine also includes a thermal protection device ( | 07-03-2014 |
| 20140191629 | STATOR AND ROTATING ELECTRIC MACHINE INCLUDING THE SAME - A stator includes a stator core, a winding, and a temperature sensor. In the stator core, a plurality of slots are formed in a circumferential direction of the stator. The winding is formed by a plurality of conductors which are housed in the slots and are electrically connected. The slots are formed such that a predetermined number of the conductors are housed and arrayed in a radial direction of the stator. The temperature sensor is located in at least one of the slots and detects temperature of the conductors. | 07-10-2014 |
| 20140217858 | DYNAMO-ELECTRIC MACHINE - A structure which enables highly accurate detection of the temperature of the stator windings of a dynamo-electric machine. A terminal base (12) integrated with a stator by resin molding is provided with: positioning sections (13, 14, 15) for three-phase stator windings (100, 101, 102); and a positioning section (16) for a thermistor (17). The positioning section (16) is disposed between the positioning sections (14, 15). The thermistor (17) is insert molded on the terminal base (12). | 08-07-2014 |
| 20140265741 | System and Method for Temperature Estimation in an Integrated Motor Drive - A system to monitor the temperature of power electronic devices in a motor drive includes a base plate defining a planar surface on which the electronic devices and/or circuit boards within the motor drive may be mounted. The power electronic devices are mounted to the base plate through the direct bond copper (DBC). A circuit board is mounted to the base plate which includes a temperature sensor mounted on the circuit board proximate to the power electronic devices. The temperature sensor generates a digital signal corresponding to the temperature measured by the sensor. A copper pad is included between each layer of the circuit board and between the first layer of the circuit board and the sensor. The circuit board also includes vias extending through each layer of the board. The copper pads and vias establish a thermally conductive path between the temperature sensor and the base plate. | 09-18-2014 |
| 20140265742 | MULTIPLE SPEED MOTOR WITH THERMAL OVERLOAD PROTECTION - An electric motor includes a stator and a rotor. The stator has a plurality of low speed windings and a plurality of separate high speed windings. A first type of thermal overload protector is coupled with at least one of the low speed windings and a second type of thermal overload protector is coupled with at least one of the high speed windings. | 09-18-2014 |
| 20140306583 | PROTECTION OF A PERMANENT MAGNET GENERATOR - The present invention relates to a protection system with a protection relay and at least one measurement sensor to protect a permanent magnet generator having a plurality of stator windings, each of said stator windings having a first end and a second end. If the stator windings are connected in a wye coupling, they are, in a set of three stator windings, commonly coupled in a star point at the first end of the windings, or if the stator windings are connected in a delta coupling, they are, in a set of three stator windings, commonly connected in a ring to each other. In addition, the at least one measurement sensor is arranged for measuring current through at least one of the stator windings at the star point side or within the ring connection and for communicating with the protection relay. The invention also relates to a method of protecting a permanent magnet generator. | 10-16-2014 |
| 20140333185 | THERMOSTAT CLAMP FOR ELECTRIC MOTORS - An electric motor assembly including a housing, a rotor, a stator supported in the housing, the stator having a plurality of individual windings, at least one thermostat for monitoring a temperature of at least one winding, and a thermostat clamp interposed between adjacent windings of the stator, the thermostat confined between the thermostat clamp and at least one winding. | 11-13-2014 |
| 20140346931 | ELECTRICAL BRUSH HOLDER APPARATUS AND RELATED MONITORING SYSTEM - An apparatus including: a brush holder; a radio frequency identification (RFID) device affixed to the brush holder, the RFID device including: a temperature sensor system for determining temperature(s) at one or more distinct locations on the brush holder; and a transmitter for providing indication of the temperature(s). | 11-27-2014 |
| 20150130329 | ELECTRIC MOTOR - An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections. | 05-14-2015 |
| 20150130330 | Netzbetriebene Handwerkzeugmaschine - A mains-operated handheld machine tool includes a tool housing, an electric drive motor arranged in the housing and configured to drive an associated tool insert, and a slide switch arranged, at least in a longitudinally displaceable fashion, on the tool housing and coupled to a sliding element configured to switch the drive motor on and off. The mains-operated handheld machine also includes a protection device with an electromechanical relay. The protection device is configured to prevent, by way of the electromechanical relay, uncontrolled restarting of the drive motor after an interruption to a corresponding power supply to the drive motor as a result of latching of the relay being canceled. | 05-14-2015 |
| 20150130331 | Magnetostatic Voltage/Current Limiting System for Wind Turbine Generator Comprising the Same - A magnetic voltage/current limiting system is mounted in conjunction with a main coil, in a coil assembly of a wind turbine generator, for limiting the outputted voltage (or current) to a predetermined upper value. The limiting system generally comprises at least one limiting coil and a control circuit connected to the main coil. The limiting system is configured to be activated when the voltage (or current) outputted by the main coil increases beyond the predetermined upper value. Once activated, the limiting system diverts a portion of the outputted current to the limiting coil such as to generate a magnetic field in the limiting coil. This additional magnetic field generally limits the amount magnetic field generated by passing magnets to flow through the main coil, thereby limiting the outputted voltage. | 05-14-2015 |
| 20150295477 | Electric Rotating Machine - Provided is an electric rotating machine that is improved in the temperature detection accuracy of a thermistor and in ability to follow up a sudden change in the temperature of a stator winding. An electric rotating machine | 10-15-2015 |
| 20150349611 | ROTARY ELECTRIC MACHINE - Insulators are respectively disposed such that longitudinal directions of trunk portions are oriented in a radial direction of teeth, and so as to place bottom surfaces of the trunk portions alongside two axial end surfaces of the teeth, concentrated winding coils are configured by winding conductor wires so as to be wound in multiple layers around the teeth so as to pass through a concave space that is formed by the trunk portions and first and second flange portions at two axial ends of the teeth, the second flange portion is disposed on an end surface of a core back of a stator core, and a temperature detecting element is installed by being inserted into an element insertion aperture that is formed on the second flange portion so as to be able to detect a temperature of a coil end of the concentrated winding coils. | 12-03-2015 |
| 20150357885 | ELECTRIC MOTOR - An electric motor to be easily assembled while taking the advantages of a retrofitted electric motor, excellent maintenance performance and no fear of damage in a temperature sensitive device due to resin injection pressure. The electric motor includes an electric motor shaft, a rotor, a stator, a housing, a sealing body formed of sealant to cover a coil end of the stator, a temperature sensitive device, an end cover, and a resilient retaining member. The electric motor shaft passes through the end cover. The sealing body includes a temperature-sensitive-device support surface opposed to the end cover. The temperature sensitive device is retained between the end cover and the temperature-sensitive-device support surface while the retaining member is interposed between the temperature sensitive device and the end cover. | 12-10-2015 |
| 20160141941 | ROTATING ELECTRICAL MACHINE AND METHOD OF MOUNTING ELEMENT WIRE TEMPERATURE MEASUREMENT SENSORS ON ROTATING ELECTRICAL MACHINE - Insulating objects arranged in parallel between adjacent element wire conductors of a plurality of the element wire conductors in a circumferential direction of the rotating electrical machine on each of both sides interposing a dislocating portion of the element wire conductor and linearly extending along the adjacent element wire conductors; a storage space formed between the linear insulating objects arranged in parallel at each of the both sides interposing the dislocating portion; and a temperature detection sensor configured to detect a temperature of the element wire conductors and stored in the storage spaces at each of the both sides interposing the dislocating portion across both sides interposing the dislocating portion are provided, wherein the hardness of the insulating objects is lower than the hardness of the element wire conductors, whereby the types of the rotating electrical machine to which the temperature detection sensor can be applied may be extensively increased. | 05-19-2016 |
| 20160164379 | Magnetostatic Voltage/Current Limiting System for Wind Turbine Generator Comprising the Same - A magnetic voltage/current limiting system is mounted in conjunction with a main coil, in a coil assembly of a wind turbine generator, for limiting the outputted voltage (or current) to a predetermined upper value. The limiting system generally comprises at least one limiting coil and a control circuit connected to the main coil. The limiting system is configured to be activated when the voltage (or current) outputted by the main coil increases beyond the predetermined upper value. Once activated, the limiting system diverts a portion of the outputted current to the limiting coil such as to generate a magnetic field in the limiting coil. This additional magnetic field generally limits the amount magnetic field generated by passing magnets to flow through the main coil, thereby limiting the outputted voltage. | 06-09-2016 |
| 20160380518 | Motor Temperature Monitoring - The disclosure relates to a temperature monitoring assembly for monitoring the windings of a motor, comprising at least one temperature sensor or thermal circuit breaker arranged outside of and spaced from the windings of the motor, and at least one heat conducting component, which extends from a first component section for heat coupling and heat transfer, which is in contact with or adjacent to the windings, to a second component section for heat coupling and heat transfer, on or adjacent to the temperature sensor. | 12-29-2016 |
| 20190149019 | HOLDER, ELECTRIC MOTOR, AND TEMPERATURE DETECTION ELEMENT FIXING METHOD | 05-16-2019 |
| 20190149067 | TEMPERATURE-BASED DIAGNOSTICS METHOD FOR A STARTER ISLAND | 05-16-2019 |
| 20220140703 | MOTOR AND HAIRPIN STATOR THEREOF - A hairpin motor stator includes a stator core, a plurality of slots, a first hairpin wire and a temperature sensor. The stator core defines a rotor accommodating space. The slots are located on the stator core, and each slot extends in a radial direction from the rotor accommodating space. Each slot has a side opening adjacent to the rotor accommodating space. One of the slots is a temperature sensor accommodating slot. The first hairpin wire is located in the temperature sensor accommodating slot and proximal to the side opening of the temperature sensor accommodating slot. The temperature sensor is between the side opening of the temperature sensor accommodating slot and the first hairpin wire. The temperature sensor is larger than the side opening of the temperature sensor accommodating slot such that the temperature sensor is enclosed in the temperature sensor accommodating slot. | 05-05-2022 |
