Class / Patent application number | Description | Number of patent applications / Date published |
310177000 | D.C. | 28 |
20080258574 | DIRECT CURRENT MOTOR - A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a plurality of teeth arranged along a circumferential direction of the rotor. A slot is formed between adjacent ones of the teeth in the circumferential direction. The plurality of commutator segments are arranged along the circumferential direction of the rotor inward from the plurality of teeth in the radial direction of the rotor. Each segment coil includes a plurality of segment conductors electrically connected to each other. The plurality of segment conductors in each segment coil extends through the slots along the axial direction of the rotor. | 10-23-2008 |
20080272668 | Three-phase DC motor - A three-phase DC motor includes a rotor having plurality of magnetic poles, and a stator. The stator has three corners. The second corner is adjacent to a first direction of the first corner. The third corner is adjacent to a second direction of the first corner. The first corner, the second corner, and the third corner extend forwards to the rotor to form a first winding slot, a second winding slot, and a third winding slot respectively. A first winding, a second winding, and a third winding respectively wind around the first winding slot, the second winding slot, and the third winding slot. The mechanical angle between the first winding slot and the second winding slot is between 75 and 85 degrees. The mechanical angle between the first winding slot and the third winding slot is also between 75 and 85 degrees. | 11-06-2008 |
20110127871 | METHOD FOR PRODUCING THE ROTOR WINDING OF AN ELECTRICAL MACHINE, AND AN ELECTRICAL MACHINE WITH A ROTOR WINDING WHICH IS PRODUCED IN ACCORDANCE WITH THIS METHOD - The invention relates to a method for producing the rotor winding of an electrical machine having at least four exciter poles in the stator ( | 06-02-2011 |
20110133591 | COIL STRUCTURE FOR A CORELESS MOTOR - A coil structure for a coreless motor includes a plurality of first conductive traces and a plurality of second conductive traces. The first conductive traces are disposed in succession relative to one another, and are each arranged into a planar spiral configuration having a substantially polygonal shape. At least one adjacent pair of the first conductive traces cooperate to define a space therebetween. Each of the second conductive traces is disposed in the space defined by a corresponding adjacent pair of the first conductive traces, and is arranged into a planar spiral configuration that has one of a substantially triangular shape and a substantially rhombic shape so as to substantially fill the space. | 06-09-2011 |
20110298326 | ELECTROMAGNETIC MOTOR AND EQUIPMENT TO GENERATE WORK TORQUE - The present invention refers to a high efficiency and cold electromagnetic motor that is able to considerably increase the electromagnetic and/or mechanic potential energy available to be used in any equipment fed by primary sources of energy. More specifically, the present invention refers to a motor, or also a generator, that comprises structural and functioning features that reduce the consumption of electric energy and, at the same time, deliver mechanic potential energy and work torque at least equivalent to the conventional electric motors. | 12-08-2011 |
20120274170 | ELECTRIC MOTOR - A brush direct current motor has a stator with a plurality of coils that correspond to a number of stator windings, a rotor with a number of poles, and a commutator. The commutator is connected to a first terminal of a direct current power source to convert the power into N phase alternating current. One end of each stator winding is connected to a respective phase of the alternating current via a brush and the other ends of the stator windings are connected to the second terminal of the direct current power source. | 11-01-2012 |
20120319520 | DC MOTOR - A dc motor includes a stator having multiple field magnet poles, and an armature having an armature core, armature coils, and a commutator, and brushes brought into contact with the commutator. The armature coils include concentrated winding coil units wound on respective teeth, and connecting wire units that electrically connect each of the concentrated winding coil units together. A segment group of the commutator includes a first segment and a second segment placed adjacently to each other, to which the concentrated winding coil units are connected, the segment group also includes a third segment disposed next to the adjacent placement, and only the connecting wire unit is connected to the third segment. The connecting wire units include connecting wire units that pass through slots and connect each of the concentrated winding coil units together. | 12-20-2012 |
20130193795 | DIRECT-CURRENT MOTOR, COIL WINDING METHOD FOR DIRECT-CURRENT MOTOR, AND METHOD FOR MANUFACTURING DIRECT-CURRENT MOTOR - A direct-current motor includes a yoke having six magnetic poles, an iron core having nine teeth, first and second coils wound about each tooth in directions different from each other, a commutator for being rotated integrally with the iron core and having eighteen commutator pieces, and three pairs of brushes. The brush having the positive pole electrically connected to the first coil is different from the brush having the positive pole electrically connected to the second coil, the brush having the negative pole electrically connected to the first coil is different from the brush having the negative pole electrically connected to the second coil, or the brush having the positive pole and the brush having the negative pole that are electrically connected to the first coil are respectively different from the brush having the positive pole and the brush having the negative pole that are electrically connected to the second coil. | 08-01-2013 |
20130249343 | DC ELECTRIC MOTOR/GENERATOR WITH ENHANCED PERMANENT MAGNET FLUX DENSITIES - This disclosure relates in general to a new and improved electric motor/generator, and in particular to an improved system and method for producing rotary motion from a electro-magnetic motor or generating electrical power from a rotary motion input by concentrating magnetic forces due to electromagnetism or geometric configurations. | 09-26-2013 |
20140009027 | ARMATURE, METHOD FOR WINDING COIL, AND DC MOTOR - A plurality of teeth of an armature core arranged in a circumferential direction each include an inner winding portion in its proximal region and first and second branch portions that extend radially and branch off in a bifurcated manner from a distal end of the inner winding portion in the circumferential direction. After winding the first to ninth coils around the inner winding portions of all of the teeth, the tenth to eighteenth coils are wound sequentially around outer winding portions of adjacent ones of the teeth each including the first branch portion of one of the two adjacent teeth and the second branch portion of the other one of the adjacent teeth. | 01-09-2014 |
20140167553 | MODIFIED WAVE WINDINGS FOR ELECTRIC MOTOR - A permanent magnet DC motor with 2P magnetic poles, where P is an integer greater than 1, comprising a stator ( | 06-19-2014 |
20150061448 | ARMATURE AND DC MOTOR - An armature includes a core having a plurality of teeth, which are radially formed with a rotation axis as the center, a plurality of coils where each coil is wound around each set of teeth containing at least two teeth. The plurality of coils have a plurality of inside coils placed on a rotation axis side of the teeth and a plurality of outside coils placed outside the inside coils. The plurality of inside coils are circularly arranged so that inside coils adjacent to each other are not wound around the same tooth. The plurality of outside coils are circularly arranged so that outside coils adjacent to each other are not wound around the same tooth. The outside coils are wound around a second set of combinations of teeth, which are different from a first set of combinations of teeth around which the inside coils are wound. | 03-05-2015 |
20160020652 | Brushless Electric Motor/Generator - Disclosed are various embodiments for a motor/generator comprising: a rotor adapted to rotate about a longitudinal axis, the rotor comprising a first partial toroidal magnetic cylinder defining a semi-circular tunnel, wherein the plurality of magnets forming the first partial toroidal magnetic cylinder have substantially all like poles facing inward toward the semi-circular tunnel, the semi-circular tunnel having an entrance and an exit forming an open throat defined by a space between the entrance and the exit, and a stator positioned about the longitudinal axis within a rotational path of the rotor. | 01-21-2016 |
310178000 | Homopolar | 15 |
20090045690 | DC HOMOPOLAR MOTOR/GENERATOR - In accordance with the teachings described herein, a DC homopolar machine is provided. The DC homopolar machine may include a stator having a stator magnetic core and a permanent magnet, a rotor magnetic core supported within the stator to rotate relative to the stator, and non-magnetic material within a gap between the rotor magnetic core and the stator magnetic core. The stator, rotor and non-magnetic material form a magnetic circuit having a total reluctance, the total reluctance of the magnetic circuit being provided by a first reluctance of the permanent magnet and a second reluctance of the gap of non-magnetic material, with the first reluctance being substantially equal to the second reluctance. | 02-19-2009 |
20090309450 | MP-D MACHINES - MP-D Machines are direct current machines of the multipolar type, i.e. machines whose torque is produced in a cylindrical current tube through axially oriented current flow in a plurality of turns between pairs of parallel permanent magnet poles attached to cylindrical concentric magnet tubes. Unlike other multipolar type machines, MP-D machines' magnet tubes comprise a plurality of permanent magnets in the form of continuous circumferential sleeves. The current tube in MP-D machines remains stationary while at least one of the two magnet tubes rotates. MP-D machines may be powered or may generate direct current. | 12-17-2009 |
20100019604 | METHODS AND APPARATUS FOR ASSEMBLING HOMOPOLAR INDUCTOR ALTERNATORS INCLUDING SUPERCONDUCTING WINDINGS - A homopolar electrical machine includes a stator having a stationary magnetic core and multiple stator windings disposed within the stationary magnetic core. A rotor includes a first set of pole pieces at a first end of a shaft and a second set of pole pieces at a second end of the shaft. The pole pieces are separated by air gaps. The rotor is a one-piece structure having only the shaft, the first set of pole pieces, and the second set of pole pieces integrally formed from a single material. A stationary field coil is coupled to the stator. The stationary field coil includes a cryostat configured to cool the stationary field coil to superconducting temperatures. The stationary field coil has a coil diameter that is at least partially greater than an outer diameter of the rotor. Each stator winding is unitarily formed as a single structure that extends along a length of the homopolar electrical machine beyond the first and second sets of pole pieces and is disposed within an air gap of the homopolar electrical machine. | 01-28-2010 |
20100090556 | HIGH-ASPECT RATIO HOMOPOLAR MAGNETIC ACTUATOR - A homopolar magnetic actuator is configured to exert controllable radial forces on a body adapted to rotate around an axis. The actuator comprises at least three radial magnetic pole assemblies distributed at some distances from each other along the axis, each including a plurality of poles adjacent to an actuator target on the body. Permanent magnets are used to induce bias magnetic fluxes in the assemblies with polarities alternating from assembly to assembly but remaining the same around the rotational axis. Having several small bias fluxes distributed between several pole assemblies instead of a large single bias flux facilitates designing an actuator with a high aspect ratio. A control coil around each pole can induce a control magnetic flux in the poles. These control fluxes affect magnetic flux distribution around the actuator target, resulting in magnetic forces exerted on the target. | 04-15-2010 |
20100264771 | Internal Impedance Converting Superconducting Acyclic Power Converter - An electromechanical power converter that has a rotor assembly with a conductive shell, a first conductor made from superconducting material that is in series electrical contact with the conductive shell and a second conductor made from superconducting material and in series electrical contact with said conductive shell, thus providing an internal impedance converting electromechanical power converter. | 10-21-2010 |
20110037336 | HOMOPOLAR MACHINE - There is disclosed a homopolar machine comprising a rotor and a stator. The rotor is arranged for rotation within the stator about a central axis and comprises a pair of axially spaced-apart rotor poles formed of magnetic material and which are interconnected by a structure comprising an axially magnetised magnet. The stator comprises a pair of conductor assemblies each of which is substantially annular in form and is provided around a respective rotor pole. The proposed arrangement provides a very simple and robust machine suitable for operation at very high speeds as a generator and which produces a purely is DC output. | 02-17-2011 |
20110089783 | HIGH-EFFICIENCY PERMANENT MAGNET MOTOR - The present invention relates to a high-efficiency permanent magnet motor driven by a direct current (DC) without alternation, with the motor generating a high-efficiency kinetic energy synthesized from active energy of a stator and passive energy of a rotator, comprising: a stator comprising a coil distributively wound radially around a circular planar PCB, creating a magnetic field on both sides of the stator located at the center of two rotators; and a rotor comprising two circular planar permanent magnets with a corresponding size to the magnetic field of the stator, with the magnet having both faces magnetized arranged such that the magnetized faces of the magnets and the magnetic fields on both sides of the stator facing each other have the same polarity. Constant power is provided when DC power is applied to the coil of the stator, the rotor rotates, in the absence of an AC. | 04-21-2011 |
20110210636 | MP-T II MACHINES - MP-T II Machines are alternating current, two, three, or four or more phase machines of the multipolar type, i.e. machines whose torque is produced in a cylindrical current tube through axially oriented current flow in a plurality of turns between pairs of parallel permanent magnet poles attached to cylindrical concentric magnet tubes. Unlike MP-T machines, MP-T II machines use flat permanent magnets and may contain cooling cuffs as needed. | 09-01-2011 |
20110309708 | MULTI-WINDING HOMOPOLAR ELECTRIC MACHINE - A multi-winding homopolar electric machine and method for converting between mechanical energy and electrical energy. The electric machine includes a shaft defining an axis of rotation, first and second magnets, a shielding portion, and a conductor. First and second magnets are coaxial with the shaft and include a charged pole surface and an oppositely charged pole surface, the charged pole surfaces facing one another to form a repulsive field therebetween. The shield portion extends between the magnets to confine at least a portion of the repulsive field to between the first and second magnets. The conductor extends between first and second end contacts and is toroidally coiled about the first and second magnets and the shield portion to develop a voltage across the first and second end contacts in response to rotation of the electric machine about the axis of rotation. | 12-22-2011 |
20120280589 | MULTI-WINDING HOMOPOLAR ELECTRIC MACHINE - A multi-winding homopolar electric machine and method for converting between mechanical energy and electrical energy. The electric machine includes a shaft defining an axis of rotation, first and second magnets, a shielding portion, and a conductor. First and second magnets are coaxial with the shaft and include a charged pole surface and an oppositely charged pole surface, the charged pole surfaces facing one another to form a repulsive field therebetween. The shield portion extends between the magnets to confine at least a portion of the repulsive field to between the first and second magnets. The conductor extends between first and second end contacts and is toroidally coiled about the first and second magnets and the shield portion to develop a voltage across the first and second end contacts in response to rotation of the electric machine about the axis of rotation. | 11-08-2012 |
20130099619 | HOMOPOLAR MOTOR PHASE - A homopolar motor phase (d | 04-25-2013 |
20130175895 | SYSTEMS AND METHODS FOR PROVIDING BOTH ELECTRIC POWER AND MECHANICAL POWER, USING MAGNETICS, IN ACCORDANCE WITH ECE-THEORY - Methods and systems for generating electric energy and mechanical power using principles of ECE-Theory are presented. The electric energy function uses an old Faraday Disk generator type system. Uniquely, it is embedded in a crossfield device (CFD). The CFD is based on ECE-Theory, and provides the external magnetic field (and a reduced gravity environment) for the generator portion of the crossfield-homopolar device. The device functions as both a generator and a motor. This anti-gravity effect is in accordance with the new ECE (Einstein-Cartan-Evans)-Theory of physics. ECE-Theory shows gravitation and electromagnetism are both defined as manifestations of the curvature of spacetime. | 07-11-2013 |
20130200741 | HYBRID HOMOPOLAR INTEGRATED STARTER-GENERATOR - An integrated starter-generator (ISG) utilizes a dedicated, properly sized start box for the starting function, and a fully controllable hybrid homopolar machine with a generator control unit (GCU) for the generate function. The hybrid homopolar machine may comprise a permanent magnet (PM) section that is supplemented by a homopolar field section, which results in a regulated output voltage by either boosting or bucking the voltage out of the PM section vectorially through a common stator. | 08-08-2013 |
20150097459 | HOMOPOLAR MOTOR-GENERATORS - A motor-generator utilizes a multi-part rotor encircling a stator, the rotor including a plurality of rotor segments. | 04-09-2015 |
20220140716 | AN APPARATUS AND A METHOD FOR PRODUCTION OF ELECTRICAL ENERGY - A first and a second type of apparatus for production of electrical energy are described, as well as a first and second type of methods for the production of electrical energy. | 05-05-2022 |