Class / Patent application number | Description | Number of patent applications / Date published |
310120040 | Specific use device | 77 |
20090189464 | Solenoid Actuator - A fluid assay system and a method for immobilizing magnetic particles within a fluid assay system are provided which employ a vessel for receiving magnetic particles and a solenoid actuator comprising a core component and a coil of wire wound around at least a portion of the core component. The solenoid actuator is configured such that an application of current through the coil of wire moves the core component toward the vessel. In some cases, core component includes a magnet to immobilize one or more magnetic particles disposed within the vessel. An embodiment of the solenoid actuator includes a telescoping body holding a core component and a coil of wire wound around at least a portion of the telescoping body. | 07-30-2009 |
20110169346 | Magnetic Actor and a Method for its Installation - The invention relates to a magnetic actor in which the permanent magnets are arranged in a Halbach configuration and inserted into a slide-in frame. | 07-14-2011 |
20110260557 | ACTUATOR APPARATUS OF ACTIVE ACCELERATOR PEDAL - The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU. | 10-27-2011 |
20110298307 | COOLING UNIT FOR NUCLEAR REACTOR CONTROL ROD DRIVING APPARATUS - A cooling unit cooling a coil assembly that generates electromagnetic force for driving a nuclear reactor control rod, and including a coil surrounding a driving shaft of the nuclear reactor control rod so as to generate the electromagnetic force; a coil housing surrounding the coil so as to enclose the coil; a cooling shroud-shell forming a cooling flow path between the cooling shroud-shell and the coil housing, whereby a cooling fluid for cooling heat that is generated in the coil passes through the cooling flow path; and a plurality of cooling fins disposed on the cooling flow path in a radial direction so as to allow heat to be effectively exchanged between the coil and the cooling fluid that flows through the cooling flow path. | 12-08-2011 |
20130002050 | ACTUATING DEVICE FOR A ROBOT DRIVER - An actuating device for a robot driver that reduces the effort involved for setting or learning of the actuating means. In addition, the effort for determining the pedal force can be reduced. The actuating device comprises at least one actuating means, which has at least one control rod comprising an actuator region and a contact element, wherein the contact element can be caused to connect to a pedal and the control rod in the actuator region is a rotationally symmetrical component which is slidably received in an actuator housing in the actuator region. In the actuator region the control rod contains a first element, and the actuator housing has a second element which is provided in an outer circumferential region of the first element, wherein the first element and the second element form an electromagnet force-generating means for moving the control rod. | 01-03-2013 |
20130043740 | STEERING DEVICE FOR A MOTOR VEHICLE - The invention relates to a steering device for a motor vehicle. Said steering device comprises a drive ( | 02-21-2013 |
20130069450 | Robot Drive With Passive Rotor - A substrate transport apparatus including a drive section and a first movable arm assembly. The drive section includes a first motor. The first motor includes a stator and a passive rotor. The first movable arm assembly is connected to the first motor. The substrate transport apparatus is configured for the first movable arm assembly to be positionable in a vacuum chamber with the passive rotor being in communication with an environment inside the vacuum chamber. | 03-21-2013 |
20130175884 | LITHOGRAPHIC APPARATUS AND LORENTZ ACTUATOR - A lithographic apparatus includes an actuator for producing a force in a first direction between a first and a second part including a first magnet assembly and a second magnet assembly each attached opposite to each other to the first part of the apparatus, the first magnet assembly including a first main magnet system and a first outer subsidiary magnet system, and the second magnet assembly including a second main magnet system and a second outer subsidiary magnet system, the first and second main magnet system defining a space between them in a second direction perpendicular to the first direction. The actuator includes a coil attached to the second part. The distance between the first outer subsidiary magnet system and the second outer subsidiary magnet system in the second direction is substantially zero. | 07-11-2013 |
20130181545 | DRIVE DEVICE CAPABLE OF GENERATING A DRIVING OUTPUT BASED ON A MAGNETIC FIELD - A drive device capable of generating a driving output based on a magnetic field includes multiple magnetic and conductive strips adjacently but electrically isolatively positioned on a face. One of the magnetic and conductive strips has a current input end, while another has a current output end. The magnetic and conductive strips are magnetizable in the same direction to form a magneto-conductive section. Multiple bridging conductor members are bridged between opposite ends of the adjacent magnetic and conductive strips to together form a coil structure. When current flows with the angle contained between the direction of the current flowing through the magnetic and conductive strips and the magnetization direction not zero, the magnetic lines are conducted and concentrated on the magneto-conductive section to achieve a net Lorentz force for pushing the drive device. | 07-18-2013 |
20130193778 | ELECTROMAGNETIC ACTUATOR FOR A SURGICAL INSTRUMENT - The invention relates to an electromagnetic actuator for a surgical or medical instrument, the actuator having a stator ( | 08-01-2013 |
20140009005 | HAPTIC ACTUATORS - A haptic actuator ( | 01-09-2014 |
20140070632 | Magnetic Flux Drive - One embodiment of a propellantless propulsion device is a propulsion platform ( | 03-13-2014 |
20140103745 | LINEAR ACTUATOR ASSEMBLY - An electric linear displacement motor for use in a testing apparatus includes a stator assembly having a stator housing and a plurality of coils within the stator housing. An armature is positioned within the stator housing and includes a plurality of magnets along a length of the armature. A bearing assembly is attached to the first end of the stator housing and includes a bearing housing containing a bearing. A first end portion of the armature engages and is carried by the bearing. A brake assembly is coupled to the first end of the armature and the bearing housing. The brake assembly includes a moving portion coupled to the armature and a non-moving portion coupled to the bearing housing wherein the moving portion has less mass than the non-moving portion and therefore reduces the moving mass of the armature. | 04-17-2014 |
20140175909 | Systems and Methods for Supporting a Movable Element of an Electromechanical Device - An electromechanical device includes a movable body that is movable along an axis of a direction of motion. The device also includes an actuator beam and a compliant support beam arranged to support the movable body. The compliant support beam includes a first end connected to an anchor and an actuating portion extending from the anchor and in a direction that is transverse to the axis of the direction of motion and away from the anchor. The actuating portion is also arranged adjacently and spaced apart from the actuator beam. The compliant support beam also includes a connector portion that is contiguous with the actuating portion and coupled to the movable body. The connector portion extends at least partially back toward the anchor while being arranged adjacently and spaced apart from the actuating portion. | 06-26-2014 |
20160006333 | LINEAR ACTUATOR - A linear actuator for an active engine mount of a vehicle has a stator with a coil that can be fed with electric current for generating an electromagnetic field and an actuating element that is mounted in axially movable fashion with reference to the stator. The actuating element comprises an armature and a ram extending in axial direction and is so mounted in the stator by means of at least one spring element that it can be moved axially in frictionless fashion when the coil is fed with current. The actuating element comprises a support element of a non-magnetic light-weight construction material extending in radial direction between the armature and the ram. Advantageously, the armature is provided only in such regions where there run magnetically relevant field lines of the electromagnetic field of the coil. | 01-07-2016 |
20160013712 | METHODS AND APPARATUS FOR COMPACT SERIES LINEAR ACTUATORS | 01-14-2016 |
310120050 | X-Y positioner | 33 |
20100090545 | PLANAR MOTOR WITH WEDGE SHAPED MAGNETS AND DIAGONAL MAGNETIZATION DIRECTIONS - A planar motor ( | 04-15-2010 |
20100264755 | DUAL-AXIS PLANAR MOTOR PROVIDING FORCE CONSTANT AND THERMAL STABILITY - A motor is provided comprising a magnet assembly having two rows of magnets arranged along a first axis, which are separated by a gap for generating magnetic flux lines between the rows of magnets. The motor further comprises a coil bracket which is located within the gap between the two rows of magnets. The coil bracket includes a first set of coils arranged along the first axis that are operative to drive movement of the coil bracket relative to the magnet assembly along the first axis. A second set of coils arranged along the first axis are operative to drive movement of the coil bracket relative to the magnet assembly along a second axis which is orthogonal to the first axis between a first end position and a second end position along the second axis. The first set of coils is fully located within the flux lines generated by the magnet assembly at both the first and second end positions of the coil bracket and the second set of coils is located at least partially outside the flux lines generated by the magnet assembly at the second end position of the coil bracket. | 10-21-2010 |
20100327669 | MULTI-DEGREE-OF-FREEDOM ACTUATOR AND STAGE DEVICE - A multi-degree-of-freedom actuator includes a movable element having a plurality of permanent magnets, and a stator including a stator core and a plurality of coils. The permanent magnets are arranged in the X direction such that the number P of poles is an even number of two or more. The coils are of two types: X-direction driving coil and Z-direction driving coil. The Z-direction driving coils the number of which is P are disposed at positions opposite to magnetic poles of the permanent magnets. The X-direction driving coil or coils the number of which is P/2 are each disposed at a position opposite to an intermediate point between two adjacent ones of the magnetic poles of the permanent magnets. | 12-30-2010 |
20110050005 | LINEAR DRIVE FOR A MACHINE TOOL AND METHOD FOR MOVING A TOOL CARRIAGE - The invention relates to a linear drive for a machine tool having a housing, having a carriage, which is mounted so it is axially movable in the housing via two bearings, and has a central axis and a length, and having at least one first motor, having a first motor element and a second motor element, wherein said first motor element is disposed on said carriage and said second motor element is disposed on said housing, wherein said first motor element is implemented on said carriage as a primary part and said second motor element is implemented on said housing as a secondary part. Furthermore, the invention relates to a method for moving a carriage for a lathe tool of a highly-dynamic machine tool employing a crossed roller bearing for mounting the carriage, wherein all roller bodies of said crossed roller bearing are always operationally linked to a carriage-side bearing surface, and said carriage is driven at an oscillation frequency of at least 50 Hz, in particular between 60 Hz and 200 Hz. | 03-03-2011 |
20110089771 | MOTORIZED STAGE - A stage comprising a first translation platform having a first axis of motion, and a second translation platform having a second axis of motion, a first linear drive motor for driving the first translation platform in the first axis of motion, and a second linear drive motor for driving the second translation platform in the second axis of motion, wherein each linear drive motor further comprises a coil assembly enclosing a rod stator, and wherein the coil assembly is fixed and the rod stator is movable within the coil assembly. | 04-21-2011 |
20110241449 | THRUST GENERATION MECHANISM, DRIVE DEVICE, XY STAGE AND XYZ STAGE - A thrust generation mechanism comprising magnetic pole teeth which are arranged so as to sandwich and hold permanent magnets disposed on movers, cores which serially connect the magnetic pole teeth which sandwich and hold the magnets, armature winding wires which are collectively wound around the cores, and the movers having the magnets arranged such that the different magnetic poles thereof alternately face the front side and the rear side. The magnetic pole teeth which are arranged so as to sandwich and hold the permanent magnets and the armature iron cores which have cores serially connecting the magnetic pole teeth which hold the magnets are arranged in the longitudinal direction of the movers, and armature iron cores have a common winding wire. A stage is provided with a small-sized lightweight drive device which comprises magnetic pole teeth which are arranged on both sides of each permanent magnet with gaps therebetween, cores which connect the magnetic pole teeth, armatures which have armature winding wires wound around the magnetic pole teeth, and a row of the permanent magnets which is arranged such that the different magnetic poles are arranged alternately. The small-sized lightweight drive device is configured so that the number of the magnetic poles of the armatures is changed according to a thrust pattern required by the drive device. | 10-06-2011 |
20120086287 | LINEAR MOTOR AND STAGE DEVICE - A linear motor includes a field magnet and an armature. The field magnet includes a pair of opposing field magnet yokes. A yoke base is disposed on a first end of each field magnet yoke in a Y axis direction. Between the field magnet yokes, a first magnet row is disposed including, along an X axis direction, a plurality of opposing pairs of first magnets having different polarities. Between the field magnet yokes, a second magnet row is disposed to a first side or a second side of the first magnet row in the Y axis direction. The second magnet row includes a pair of opposing second magnets having different polarities and forming a single row in the Y axis direction on the field magnet yokes. The armature includes a first armature coil opposite the first magnet row and a second armature coil opposite the second magnet row. | 04-12-2012 |
20120139365 | LEVITATED MICRO-MANIPULATOR SYSTEM - A system has a circuit substrate having conductive traces in a first layer of the substrate, the traces arranged in independent zones, a diamagnetic layer residing on a surface of the circuit substrate, at least two manipulators residing adjacent the magnetic layer, the manipulators being moveable within the zones, the manipulators being magnetic and controllable through magnetic fields, and a controller electrically coupled to the traces arranged to produce signals to generate magnetic fields. | 06-07-2012 |
20120319505 | STAGE APPARATUS - This stage apparatus includes a movable table to hold a sample, a levitation unit to operate the movable table at least in a vertical direction, and a linear motor to operate the movable table in a first horizontal direction in a horizontal plane, including a linear motor movable element arranged inside the movable table and a linear motor stator arranged inside the movable table. | 12-20-2012 |
20130093264 | Linear Motor and Positioning Apparatus - The present invention provides a linear motor where a load onto a supporting mechanism and the ripple of force are lessened and the ripple can be adjusted. As a leakage flux between the magnetic poles can be reduced by being configured by plural magnetic poles arranged with a magnet arranged on a mover held between them, a core that continuously connects the magnetic poles that holds the magnet of the mover between them, windings are integrally wound onto the plural magnetic poles and the mover formed by a row of magnets the magnetic poles of which are alternately arranged or a row of magnets the polarity of which is alternately arranged and magnetic materials, by arranging the plural magnetic poles arranged with the magnet held between and the plural magnetic poles provided with the core that continuously connects the magnetic poles. | 04-18-2013 |
20140183979 | LEVITATED-MICRO MANIPULATOR SYSTEM - A system has a first operation substrate, the operation substrate having at least one sliding surface and at least one conductive trace in a layer in the substrate, at least one flex circuit magnetically coupled to the operation substrate, the flex circuit having at least one sliding surface and at least one conductive trace in the substrate, and at least one manipulator moveable across the sliding surfaces of the operation substrate and the flex circuit by magnetic fields generated by application of current to the conductive traces. | 07-03-2014 |
20140217835 | LEVITATED-MICRO MANIPULATOR SYSTEM - A system including a first circuit substrate having conductive traces in layers of the first substrate, the first substrate having a first diamagnetic layer, a second circuit substrate having conductive traces in layers of the second substrate, the second substrate having a second diamagnetic layer, at least one manipulator residing adjacent one of the first and second diamagnetic layers, the manipulator being moveable across the first and second diamagnetic layers through magnetic fields generated by selected application of current to the conductive traces, and a controller coupled to the traces arranged to produce signals which result in the current being applied to the conductive traces. | 08-07-2014 |
20140327327 | Magnetic suspension planar motor with structure of superconductor excitation - A magnetic suspension planar motor comprises a structure of superconductor excitation. A primary base plate is in a shape of board. Armature windings are fixed on an air gap side of the primary base plate. A secondary base plate in a secondary structure is evenly divided into 2 h*2 h magnet cells. 2 h | 11-06-2014 |
20150137624 | LINEAR MOTOR AND STAGE APPARATUS - A linear motor includes a magnet unit and a coil unit. The magnet unit includes two magnet arrays oppositely parallel and symmetrically located on a magnetic yoke: a first and a second magnet array. The coil unit is disposed in a magnetic gap between the two magnet arrays. In a spatial rectangular coordinate system defined by X, Y and Z axes, the coil unit includes a first and a second coil array arranged in a stacked manner in the Z-axis direction and staggered from each other by a distance of ΔP in the Y-axis direction. ΔP satisfies: when a control system charges the coil unit with a desired current, the coil unit generates a control force along the Y-axis direction, another control force along the Z-axis direction, and a moment about the X-axis direction, which may reduce a magnetic flux leakage and provide higher driving forces, making the linear motor generate required three degrees-of-freedom control force or control torque, and further improve vertical and horizontal magnetic fluxes in the magnet array. | 05-21-2015 |
310120060 | Precision type (e.g., for integrated circuit manufacture) | 19 |
20090251012 | PLANAR PULSE MOTOR, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - A planar pulse motor includes a movable element and a stator, wherein the movable element contains a magnetic material, and has a plurality of convex portions on a surface thereof facing the stator, the stator includes a plurality of magnetic field generators to drive the movable element, and each magnetic field generator includes a yoke having a plurality of teeth and a coil which excites the yoke, and the planar pulse motor includes a controller which controls rotation of the movable element by energizing magnetic field generators selected from magnetic field generators, whose regions do not include a center line of the movable element along a driving direction of the movable element and do not include portions outside a region facing the movable element, of the plurality of magnetic field generators. | 10-08-2009 |
20090278411 | Reaction force cancel system - Increasing in size of a reaction force cancel system is suppressed. The reaction force cancel system is provided in a stage device including: a surface plate having a plurality of plate surfaces with different heights from each other, and installed on a floor via a vibration-isolating spring; and stages disposed on the plate surfaces respectively, and moving on the plate surfaces, and cancels reaction forces generated on the surface plate upon movements of the stages. In addition, the reaction force cancel system includes a first and a second reaction force canceling actuator that apply counter-thrusts to the surface plate, and a control section that controls the magnitudes of the counter-thrusts. In the reaction force cancel system, the heights of action points of counter-thrusts in the surface plate are different from each other, and the control section controls the counter-thrusts so as to counterbalance the reaction forces as resultant forces and resultant moments. | 11-12-2009 |
20100096935 | AIR BUSHING LINEAR STAGE SYSTEM - A linear stage system is provided. The linear stage system includes a base, a carriage plate, a first shaft, a first air bushing coupled to the base, a first motor coupled to the base and the carriage plate, and a first position encoder. The first air bushing is configured to support the carriage plate via the first shaft, wherein the first air bushing utilizes the first shaft as a guide surface and is configured to support positioning of the carriage plate along an axis. The first motor is configured to create a linear motion parallel to the axis in a first motor element coupled to the carriage plate to position the carriage plate along the axis in response to a first control signal. The first position encoder is configured to determine a position of the carriage plate relative to the base. | 04-22-2010 |
20100127578 | X-Y TABLE ACTUATOR - Provided is an X-Y table actuator, which is capable of moving and positioning a movable table ( | 05-27-2010 |
20100156198 | SHIELD LAYER PLUS REFRIGERATED BACKSIDE COOLING FOR PLANAR MOTORS - According to one aspect of the present invention, a motor arrangement includes at least one coil, a cover plate, and a shield layer. The at least one coil has a first side and a second side. The cover plate is positioned substantially over the first side of the at least one coil at a distance from the at least one coil. The shield layer is positioned between the first side of the at least one coil and the cover plate, and has a top surface. The top surface contacts the cover plate, and includes a liquid and a gas that form a mixture and cause the top surface to have a substantially constant temperature. | 06-24-2010 |
20100164305 | MONOLITHIC STAGE POSITIONING SYSTEM AND METHOD - A magnetically levitated monolithic stage positioning system includes linear three phase motors and coil windings connected to the monolithic stage that interact with a ferromagnetic base. The linear three phase motors may be excited to provide motion in an X-axis direction, motion in a Y-axis direction, and rotation about a Z-axis. The monolithic stage is levitated on an air bearing. The plurality of coil windings connected to the monolithic stage may serve to magnetically preload the air bearing. The plurality of coil windings may be excited to provide motion in a Z-axis direction and rotation of the monolithic stage about the X-axis and about the Y-axis. | 07-01-2010 |
20100187917 | MICRO STAGE WITH 6 DEGREES OF FREEDOM - A micro stage with 6 degrees of freedom used in super-precise processing and sensing equipment filed is disclosed. The micro stage has three sets of electromagnetic driving units arranged in a horizontal plane for driving the micro stage to obtain movements within the horizontal plane with 3 degrees of freedom in X, Y and θ | 07-29-2010 |
20110248578 | POSITIONING APPARATUS - A positioning apparatus includes a moving member, an actuator, and a controller. The moving member can move in at least a first direction. The actuator is provided along the first direction. The controller controls a current applied to the actuator in order to support the weight of the moving member. The bending rigidity of the moving member in the first direction is greater than the bending rigidity of the moving member in a second direction perpendicular to the first direction. | 10-13-2011 |
20110260558 | STAGE DRIVE DEVICE - A stage comprises a linear guide rail ( | 10-27-2011 |
20110291494 | THREE-DIMENSIONAL SLIDING SYSTEM WITH ONBOARD LINEAR MOTOR - A three-dimensional sliding system has an X-table and a Z-table, which are actuated to travel independently of each other. The sliding system is simple in construction and adapted to actuate a movable table with less takt time. A bed has a first flat zone extending in a horizontal direction to carry the X-table thereon, a second flat zone extending in a vertical direction to carry the Z-table thereon, and a third flat zone where the first flat zone merges with the second flat zone. The movable table is laid over the third flat zone and linked with the X-table and the Z-table through linear motion guide units, respectively. Actuations of an X-linear motor in an X-direction and actuation of a Z-linear motor in a Z-direction cause the movable table to move into a targeted position with high precision in the X-direction and in the Z-direction. | 12-01-2011 |
20130009492 | DRIVE DEVICE, AND MOVEMENT MECHANISM USING DRIVE DEVICE - A drive device includes two integrated electromagnetic coils separated on an axis, an elastic body, and two movable electric conductors. An object-to-be-moved is moved to left with an operation of a left group which includes one electromagnetic coil and one conductor. A first conductor is repulsively moved to right by a repulsion force caused by an eddy current generated on the first conductor with an electrical current-supply to a first electromagnetic coil and then, the elastic body is compressed by the first conductor and subsequently pushes back the first conductor. At this time, the electrical current-supply to the first electromagnetic coil is turned off, and the first conductor collides with the first electromagnetic coil, and this collision generates a leftward impact. The left and right groups enable a left-right reciprocating movement. | 01-10-2013 |
20130033122 | METHOD AND APPARATUS FOR DRIVING A STAGE USING ANGLED ACTUATORS FOR PUSHPOINT MATCHING - According to one aspect, an apparatus includes a stage and a first actuator. The stage has a stage center of gravity, and a first axis passes, e.g., horizontally, though the stage center of gravity. The first actuator is offset from the stage center of gravity relative to a second axis and arranged to generate a first force. The second axis is perpendicular to the first axis, and the first actuator is oriented to allow the first force to act through the stage center of gravity to drive the stage. | 02-07-2013 |
20130033123 | THETA Z DRIVE APPARATUS AND STAGE APPARATUS - In this θZ drive apparatus, at least three coil portions are arranged to be capable of driving a stage in a direction Z, a direction θx which is a rotation direction employing a direction X in a horizontal plane as a center line of rotation, and a direction θy which is a rotation direction employing a direction Y in the horizontal plane orthogonal to the direction X as a center line of rotation. | 02-07-2013 |
20130221764 | Two-Shaft Drive Mechanism and Die Bonder - A two-shaft drive mechanism includes a processing unit, a first linear motor provided with a first movable portion and a first fixed portion, which elevates the processing unit along a first linear guide, and a second linear motor provided with a second movable portion and a second fixed portion, which moves the processing unit in a horizontal direction vertical to the direction for elevating the processing unit, a support body that fixes the first fixed portion, a second linear guide that is provided between the support body and the second fixed portion, and allows the second fixed portion to freely move, and a control unit that controls a position of the first movable portion in the horizontal direction based on an output of the linear sensor that detects a position of the first movable portion in a horizontal direction with respect to the support body. | 08-29-2013 |
20140077627 | HIGH-RESOLUTION POSITIONING DEVICE - The invention relates to a high-resolution positioning device having a stator and a rotor, a coil array, arranged on the stator, having at least three groups of flat coils, wherein each group has at least two single coils and the coil array encloses a free space on the stator, also having permanent magnetically-excited circuits that are situated on, against or in the rotor and form a magnet array which likewise encloses a free space, wherein the free spaces accommodate a position measuring system which has a measuring head having sensors, and an area scale. According to the invention, the device is in the form of a freely suspended, magnetically controlled six-dimensional drive, wherein the measuring head is situated in the coil array free space and the area scale is situated in the magnet array free space, and the rotor is free of drive-related electrical or electronic and, in this regard, live parts. | 03-20-2014 |
20140132087 | THREE AXIS LINEAR ACTUATOR | 05-15-2014 |
20140292111 | STAGE DEVICE AND ELECTRON BEAM APPLICATION APPARATUS - A stage device of an electron beam application apparatus configured to irradiate a sample with an electron beam is configured in a compact and simple manner using a linear motor so that it is possible to minimize an influence of magnetic force of the linear motor to the process of inspection or processing of the sample. The stage device housed in a container is configured so that a first stage and a second stage disposed in upper and lower stages are driven by linear motors, respectively, and motor stationary elements and motor movable elements of both motors are disposed on the outside of an electron beam irradiation region so as not to enter this region during the process. | 10-02-2014 |
20150022029 | PLANAR MOTOR AND PROCESSING APPARATUS AND USING THE SAME - A planar motor includes a base provided with at least one stator, a mover provided on a top portion of a planar object to be placed on a top portion of the base, and moving according to a magnetic field generated by the stator, a mover support connected to the mover, supporting the mover from the planar object, and moving the mover according to a force of the magnetic field, and a controller supplying a control current to the stator to control location of the mover. | 01-22-2015 |
20150381023 | DRIVE FOR AN XY-TABLE AND XY-TABLE - A drive for an XY-table includes a stationary, ferromagnetic and U-shaped yoke including a first limb and a second limb which are located together in one plane, and having a movable ferromagnetic bar, the yoke and the bar carrying a magnetic circuit with a flux that takes a path across air gaps between the limbs and the bar, and causes vertical reluctance forces there which counteract the gravitational force of the bar. Bar is parallel to and below the plane defined by the limbs. | 12-31-2015 |
310120070 | Projector (e.g., rail gun) | 4 |
20100194212 | RAILGUN SYSTEM - A system for accelerating an armature to launch a projectile by injecting liquid aluminum between the armature and a pair of electrically conductive rails. A system for accelerating an armature by injecting liquid metal between the armature a plurality of electrically conductive rails and collecting the liquid metal. The liquid metal or liquid aluminum can comprise solid particles. A railgun structure with mechanical guide rails. A railgun structure with a film stack of alternating copper and nickel layers. An armature with guide rail supports. A method of using the system by placing liquid metal in the armature, placing the armature between conductive rails, and applying an electric current to the rails. | 08-05-2010 |
20110127856 | MAGNETIC MONOPOLE ACCELERATOR - An accelerator ( | 06-02-2011 |
20140103746 | ELECTROMAGNETIC RAIL LAUNCHERS AND ASSOCIATED PROJECTILE-LAUNCING METHOD - The present invention relates to the field of electromagnetic rail launchers, and particularly to a rail launcher and an associated projectile-launching process including at least two longitudinal rails connected to a power supply circuit of these two rails, these rails being at least partially surrounded by superconductor elements able to generate a magnetic induction of a direction perpendicular to the plane formed by the rails and located therebetween during the flow of a current therein, launcher wherein the supply circuit includes the superconductor elements. | 04-17-2014 |
20170237329 | Linear motor based on radial magnetic tubes | 08-17-2017 |
310120090 | Rail vehicle (e.g., train, trolley) | 4 |
20110316357 | STATOR PACKET FOR A MAGNETIC LEVITATION TRAIN - The invention relates to a stator packet for a long stator linear motor of a magnetic levitation train. The stator packet is composed of a plurality of sheet metal layers ( | 12-29-2011 |
20150048693 | STATOR DEVICE FOR A LINEAR MOTOR, AND LINEAR TRANSPORT SYSTEM - A stator device for a linear motor comprises an electrically energizable magnetic field generator for forming a magnetic field, and a first holding device for holding the magnetic field generator, wherein the magnetic field generator is fastened to the first holding device, wherein the first holding device is formed at least partially from an any of an electrically and magnetically non-conductive material, wherein the magnetic field generator comprises a coil and a stator tooth as a core around which the coil is wound, and wherein the first holding device is in the form of a printed circuit board for electrical contacting of the magnetic field generator. | 02-19-2015 |
20150137625 | STATOR DEVICE FOR A LINEAR MOTOR AND LINEAR TRANSPORT SYSTEM - A stator device for a linear motor comprises an electrically energizable magnetic field generator for forming a magnetic field, the magnetic field generator comprising a stator tooth and a coil wound around the stator tooth and a holding module for holding the magnetic field generator, the holding module having a first and a second holding device, wherein the magnetic field generator is arranged between the two holding devices in that a first end of the stator tooth is fixed to the first holding device and a second end of the stator tooth is fixed to the second holding device. | 05-21-2015 |
20160056700 | INDEPENDENT MOTION ACTUATOR - Techniques for independent motion actuator are described herein. The techniques may include a first linear actuator, a first driven carriage to be driven by movement of the first linear actuator, and a first free carriage in line with the first linear actuator but being disengaged from the first linear actuator. The techniques may also include a second linear actuator substantially parallel to the first linear actuator. A second driven carriage is to be driven by movement of the second linear actuator, and a second free carriage in line with the second linear actuator but being disengaged from the second linear actuator and to be coupled to the first driven carriage. | 02-25-2016 |
310120110 | Conveyor or elevator motor | 6 |
20130181546 | LINEAR MOTOR FOR LIFTING AND LOWERING SUCTION NOZZLE, AND ELECTRONIC COMPONENT MOUNTING APPARATUS - The linear motor includes: a frame; a slider having an mounting portion to allow the suction nozzle to be coupled thereto, wherein the slider is support by the frame in a movable manner in an up and down direction; a plurality of permanent magnets fixed to the slider while being aligned in the up and down direction; a spring member installed between the frame and a region of the slider spaced from the fixation position of the permanent magnets in the up and down direction, to bias the slider upwardly; a coil supported by the frame in such a manner as to be opposed to the permanent magnets; and an encoder supported by the frame in side-by-side relation with the coil in the up and down direction and adapted to detect a movement of the slider. The encoder and the spring member are arranged side-by-side in a horizontal direction. | 07-18-2013 |
20140183980 | CONVEYING APPARATUS - A conveying apparatus includes: a housing; a movable member; a linear motor; and a cover. The linear motor includes a primary magnetic pole and a secondary magnetic pole each having a facing surface that faces the other and that is a plane along the longitudinal direction of the housing. The cover allows the primary magnetic pole to be located in an atmospheric environment, and the secondary magnetic pole to be located in a vacuum environment or a reduced pressure environment by separating the primary magnetic pole and the secondary magnetic pole from each other. The primary magnetic pole and the secondary magnetic pole face each other so that a direction of a magnetic attraction force generated therebetween and acting on their facing surfaces is different from directions of forces acting, due to an atmospheric pressure outside the housing, on the wall of the housing on which the cover is provided. | 07-03-2014 |
20150008768 | STATOR DEVICE FOR A LINEAR MOTOR AND LINEAR TRANSPORT SYSTEM - A stator device for a linear motor comprises an electrically energizable magnetic field generator for forming a magnetic field, the magnetic field generator comprising a stator tooth and a coil wound around the stator tooth and a holding module for holding the magnetic field generator, the holding module having a first and a second holding device, wherein the magnetic field generator is arranged between the two holding devices in that a first end of the stator tooth is fixed to the first holding device and a second end of the stator tooth is fixed to the second holding device. | 01-08-2015 |
20150061414 | SLIDER FOR LINEAR CONVEYER AND LINEAR CONVEYER - A linear conveyer includes a stationary module and a slider. The stationary module includes a frame extending linearly, a stator including armature coils and fixed to the frame, a rail, and a magnetic sensor. The slider movable along the rail with a driving linear motor includes magnetic poles, a rail guide fitted on the rail, and a magnetic scale. The magnetic scale includes a plastic magnet having magnetic poles and extending along an extending direction in which the rail extends, and a back yoke where the plastic magnet is placed. A position of the slider is detected by the magnetic sensor and the magnetic scale. The plastic magnet has a fixed portion that is fixed with respect to the back yoke and a portion other than the fixed portion, the portion being movable relative to the back yoke along an extending direction in which the magnetic scale extends. | 03-05-2015 |
20160164395 | CONTROLLED MOTION SYSTEM HAVING END TEETH TO FACILITATE THE FORMATION OF A MAGNETIC FLUX BRIDGE JOINING LINEAR MOTOR SECTIONS - A linear controlled motion system include a track formed from one or more track sections and having at least one mover mounted to the track and effective for receiving articles at one location and transporting the articles to another location. The system includes at least one magnetic linear motion motor for providing a magnetic field effective for moving each mover in a controlled motion along the track and a magnetic flux bridge for reducing changes in the magnetic flux that reduces the efficiency or interferes with the operation of the controlled motion system. The ends of each track section of the magnetic linear motion motor may include end teeth that have a small recess in the top portion thereof. The recesses may be sized to fit the lip of a cover placed over the track section so that the ends of each track section form substantially smooth and planar surfaces that may be joined together to substantially eliminate any air gap between the joined track sections. | 06-09-2016 |
20160380562 | METHOD AND LONG STATOR LINEAR MOTOR FOR TRANSFERRING A TRANSPORT UNIT AT A TRANSFER POSITION - In a long stator linear motor, in order to implement a transfer position in which a transport unit (Tn) is magnetically steered in order to be redirected from a first transport section (Am) to a second transport section (An) and in order that the forward movement of the transport unit (Tn) remains as unaffected as possible by the transfer, it is provided that at the transfer position (U) on at least one side of the transport unit (Tn), the stator current (i | 12-29-2016 |
310120120 | Generator | 14 |
20100156199 | HIGH POWER-DENSITY POWER GENERATING MODULE - A high power-density power generating module, comprising: a magnet unit having a plurality of adjacent magnets with opposite magnet-pole arrangement against adjacent ones, each with a magnetic north pole and a magnetic south pole; and a winding unit having a plurality of adjacent windings around the adjacent magnets; wherein the magnet unit is capable of moving relatively to the winding unit and the angle between the linking direction of the magnetic north pole and the magnetic south pole of each magnet and the winding surface of each winding is larger than 0 degree and smaller than 90 degrees. | 06-24-2010 |
20100231057 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a housing, a plurality of buttons mounted on the housing for operating the portable electronic device, a power supply received in the housing for supplying working electric power to the portable electronic device, and a generator unit. The generator unit includes a plurality of magnetic components mounted on the buttons and a plurality of windings received in the housing and electronically connected to the power supply. Thereby induced currents for charging the power supply are generated when the magnetic components are moved with the movements of the operated buttons. | 09-16-2010 |
20120313457 | GRAVITY-ASSISTED GEOMAGNETIC GENERATOR - A geomagnetic power generating apparatus has a guide means, one or more moving permanent magnets, a plurality of coils and a battery or series of batteries. The movement of the one or more permanent magnets generates an electric current in the coils to charge the battery. The moving magnets generate electric currents within the coils causing a major propulsive magnetic field to act on the magnet augmenting its momentum along the guide path. | 12-13-2012 |
20130069451 | INDUCTION GENERATOR - An induction generator for a radio switch having a magnet element as well as an induction coil with a coil core, characterized in that the coil core is U-shaped, wherein a first contact position and a second contact position for the magnet element are defined on the limbs of the coil core, with a flux direction reversal taking place in each case in the coil core when a change takes place between said positions, wherein the magnet element is arranged such that it can move in a defined manner linearly between the contact positions on the induction generator in a direction in which the limbs are adjacent to one another. | 03-21-2013 |
20130088099 | Generator and Electricity-Generating System - To provide a linear generator according to the present invention where a load onto a supporting mechanism and the ripple of force are reduced, the pitch of a magnetic pole is narrowed and a high frequency is acquired, the linear generator according to the present invention is provided with plural magnetic poles arranged with the magnets arranged on a mover held between the plural magnetic poles, a core that continuously connects the magnetic poles which hold the magnets of the mover between them, winding integrally wound onto the plural magnetic poles and the mover configured by a row of magnets in which the magnetic poles of the magnets are alternately arranged or a row of magnets in which the polarity of magnets is alternately arranged and magnetic materials, the magnetic pole arranged with the magnets held between the magnetic poles and the magnetic pole provided with the core that continuously connects the magnetic poles which hold the magnets are arranged in a longitudinal direction of the mover by plural pieces, and common winding is arranged on the plural magnetic poles. | 04-11-2013 |
20130285479 | ELECTROMAGNETIC GENERATOR - An object of the invention is to provide an electromagnetic generator that can efficiently generate electric power even though there is vibration having a small amplitude among electromagnetic generators generating electric power by using the vibration of magnets. Accordingly, these is provided an electromagnetic generator including a magnet assembly in which a plurality of permanent magnets are magnetized in a stacking direction and stacked so that surfaces of the permanent magnets corresponding to the same pole face each other, and a solenoid coil that is positioned around the side surface of the magnet assembly. The magnet assembly is adapted so that the position of the magnet assembly relative to the solenoid coil is changeable. Further, in the electromagnetic generator, the magnet assembly is held by an elastic body or a magnetic repulsive force of a permanent magnet so that a plane position where the surfaces of the magnet assembly corresponding to the same pole face each other corresponds to a center of the solenoid coil in a winding axis direction at a stop position. | 10-31-2013 |
20130285480 | INDUCTION GENERATOR AND METHOD FOR PRODUCING AN INDUCTION GENERATOR - An induction generator ( | 10-31-2013 |
20140062223 | LINEAR GENERATOR AND METHOD FOR GENERATING POWER USING THE SAME - A linear generator and a method for generating power using the same are provided. The linear generator includes a magnet module including magnets located between a plurality of flux concentration blocks, the magnets located on both sides of each of the flux concentration blocks being arranged such that the magnets having the same pole face each other, and a magnetic flux generated from the magnets is induced into both ends of each of the flux concentration blocks; and core modules including coils and located on both sides of the magnet module to generate induced electromotive forces in the coils by the magnetic flux as the core modules move | 03-06-2014 |
20140306554 | POWER-GENERATING MODULE - A power-generating module has a base, a power-generating unit that is placed in the base, a plunger that is placed in the base and that vertically reciprocates, and a drive section that interlocks with the reciprocation of the plunger and starts up the power-generating unit. The drive section is biased to a boost-up position where the plunger is boosted up. The drive section has at least two links that turn between the boost-up position and a press-in position where the power-generating unit is started up. Both ends of one of the links are turnably supported by the base. Both ends of another link are turnably supported by the plunger. The links turn in an interlocking manner by coupling to each other. | 10-16-2014 |
20150084440 | ENERGY HARVESTING DEVICE - Energyharvesting device The present invention relates to a very simple and robust wireless batteryless device ( | 03-26-2015 |
20150123497 | VIBRATION ENERGY HARVESTING USING CYCLOIDAL MOTION - Some embodiments relate to an energy conversion device, comprising: a casing; an electromagnetic (EM) transducer disposed at one side of the casing; a round magnet disposed in the casing and free to move relative to the casing and the EM transducer in at least two degrees of freedom; and a ferromagnetic object fixed relative to the casing at an opposite side of the casing to the EM transducer and arranged to attract the magnet toward a rest position within the casing. The EM transducer is positioned so that movement of the magnet relative to the EM transducer varies the magnetic field through the EM transducer, thereby generating electrical potential across at least a part of the EM transducer. | 05-07-2015 |
20150340938 | INDUCTION GENERATOR AND METHOD FOR PRODUCING AN INDUCTION GENERATOR - An induction generator ( | 11-26-2015 |
20160056689 | ELECTRIC POWER GENERATOR USING VEHICLE - The present invention relates to a power generation system using a vehicle. The power generation system includes: a vehicle, such as an automobile, a train, an airplane, and an escalator, for carrying people or freight; a movement route, such as a road, a railroad, and a runway, formed so that the vehicle can move thereon; and a power generation unit including a magnetic force generation portion and a magnetic force receiving portion alternatively installed in the vehicle and the movement route, and configured to generate electric energy using electromagnetic induction occurring due to relative movement between the magnetic force generation portion and the magnetic force receiving portion according to movement of the vehicle. | 02-25-2016 |
20180026512 | FORCE SENSE GENERATOR | 01-25-2018 |