| Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) |
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| 07/15/2004 | US20040135455 DC motor with brushes |
| 07/14/2004 | CN1512647A Electric brush motor for electric power turning device |
| 07/14/2004 | CN1511748A 车轮供电装置 Wheel power supply unit |
| 07/13/2004 | US6762576 Motor driving device for supplying driving current to a three-phase motor through output transistors |
| 07/07/2004 | EP1435128A2 Electric machine, especially a starter device |
| 07/07/2004 | CN2624510Y Stator unit of flat brushless DC motor |
| 07/07/2004 | CN1156955C Permanent-magnet electric generator with electric exciting bridge |
| 07/07/2004 | CN1156954C Electric generator excited by both electromagnet and permanent magnet |
| 07/06/2004 | US6759783 Electric motor, in particular for raising and lowering disks in motor vehicles |
| 07/01/2004 | WO2004055956A2 A stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing |
| 07/01/2004 | US20040124737 Rotor core, direct-current motor, and method for winding coils on rotor core |
| 06/30/2004 | CN2622917Y Multi-layer permanent-magnet d.c. motor |
| 06/30/2004 | CN1156206C Vibrator holder |
| 06/30/2004 | CN1156066C Rotary electric machine |
| 06/29/2004 | US6756717 Motor |
| 06/24/2004 | DE10354969A1 Stator assembly for permanent magnet electric motor, has plastic molding around permanent magnets to secure magnets to flux ring and to secure flux ring to housing |
| 06/23/2004 | EP1432105A2 Coreless Motor |
| 06/17/2004 | US20040113504 Field assembly for a motor and method of making same |
| 06/17/2004 | US20040113499 Encoder apparatus integrated with a small-size motor |
| 06/17/2004 | DE10354908A1 Rotor einer elektrischen Rotationsmaschine mit einer Kommutatorfläche, die dem axialen hinteren Ende gegenüber liegt Rotor of a rotary electric machine with a commutator, which is the rear axial end opposite |
| 06/16/2004 | CN2620647Y Multiple compatible mode power supply driving board for magnetic aerotrain |
| 06/15/2004 | US6749532 Electric drive for a vehicle |
| 06/15/2004 | US6749145 Winding method and device for an armature for rotary electric machines |
| 06/10/2004 | US20040108786 Rotor of rotary electric machine having commutator surface facing axial rear end |
| 06/09/2004 | EP1426989A1 Electric motor driven hand-held tool |
| 06/09/2004 | CN2620425Y Electric permanent magnet engine |
| 06/09/2004 | CN2620422Y Permanent magnet dc motor |
| 06/09/2004 | CN1504012A Encoder apparatus integrated with small-size motor |
| 06/09/2004 | CN1153337C Starting and electric generating device for four-stroke internal combustion engine |
| 06/09/2004 | CN1153336C Hybrid AC/DC motor |
| 06/03/2004 | US20040104636 Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing |
| 06/03/2004 | DE10255982A1 DC permanent magnet motor drive rotation rate sensor, uses multipole rotation magnet and flat spiral track inductive magnetic sensor as high frequency choke to suppress drive disturbances |
| 06/02/2004 | EP1201020A4 Motor assembly for power tools |
| 06/02/2004 | CN2619404Y Flat brushless DC motor rotor device |
| 05/27/2004 | DE10328806A1 Motor vehicle brake system has a commutator motor to drive a hydraulic pump, with an electric switch that switches between main and auxiliary brushes to change motor speed with the unused brush and coil used in speed determination |
| 05/26/2004 | CN1151597C Serially excited motor with less electromagnetic interference |
| 05/25/2004 | CA2201222C Magnet motor stator |
| 05/20/2004 | US20040095036 Motor |
| 05/19/2004 | EP1419569A1 Sensor magnet integrated in the commutator |
| 05/19/2004 | DE202004004311U1 Externally rotating constant current brush motor for a treadmill, comprises motor housing which serves both as a rotor and the inertia wheel |
| 05/19/2004 | DE10348187A1 Rotor core for DC motor, has winding sections which decrease in height in axial direction and increase in height in circumferential direction, with joined core elements having proportion of equally spaced teeth |
| 05/19/2004 | CN2617070Y Permanent-magnet direct-currenjt motor stator with improved magnet structure |
| 05/19/2004 | CN1498451A Micro-motor and apparatus using the same motor |
| 05/18/2004 | US6737779 Commutator motor |
| 05/13/2004 | WO2004040741A1 Stator for an electric machine with permanent-magnet excitation |
| 05/13/2004 | US20040091127 Small-sized vibrating motor |
| 05/13/2004 | DE19524433B4 Einengung des Streufeldes von Kraftstoffpumpen Narrowing of the stray field of fuel pumps |
| 05/13/2004 | DE10250142A1 Earth short circuit resistant d.c. electric motor has lamellas at radial distance from shaft in cylinder region less than minimal earth leakage distance of identical collector lamella and steel shaft |
| 05/12/2004 | EP1417736A1 Commutator for a multi-pole commutator motor and commutator motor provided therewith |
| 05/12/2004 | EP1188220B1 Drive system for an adjustable vehicle part |
| 05/12/2004 | CN1149906C Vibrator holder |
| 05/12/2004 | CN1149726C DC electric motor |
| 05/11/2004 | US6734594 Vibration motor |
| 05/11/2004 | US6734589 Electric motor |
| 05/06/2004 | US20040084992 Electric motor and brush retaining assembly |
| 05/06/2004 | US20040084991 Electric machine and manual machine tool comprising the same |
| 05/05/2004 | CN1494758A 电动机 Electric motor |
| 05/05/2004 | CN1494201A Stator for rotary motor |
| 05/05/2004 | CN1494200A Motor for electric steering device |
| 05/05/2004 | CN1149008C Vibrator holder |
| 05/05/2004 | CN1148934C Vibrator holder |
| 05/04/2004 | US6731041 Rotor for small motors and manufacturing method therefor |
| 05/04/2004 | US6731040 Brush motor for electric power steering system |
| 05/04/2004 | US6731034 Electric motor with electromagnetic brake |
| 04/29/2004 | WO2004036722A1 High-power direct current engine comprising a collector and carbon brushes for a racing car serving as prototype |
| 04/29/2004 | US20040080238 Quantum disk armature electric generator |
| 04/29/2004 | DE10248673A1 Stator für eine elektrische Maschine Stator for an electrical machine |
| 04/28/2004 | CN1492562A Motor with speed reducer |
| 04/22/2004 | WO2004034555A1 Sensor assembly for detecting a rotation-related variable of an electronic motor |
| 04/22/2004 | DE10246380A1 Brush or carbon plate for an auxiliary electric motor for windshield wiper in motor vehicle, also acts as a conductive plate for an electronic control for drive |
| 04/20/2004 | US6724122 Cover plate for an electric motor and an electric motor |
| 04/20/2004 | US6724121 Flat mechanical electric commutators |
| 04/15/2004 | WO2003098780A3 Motor-reduction gear unit and motor reducer connector |
| 04/14/2004 | EP1408598A1 Dc electric motor |
| 04/14/2004 | EP1406740A2 Motor for a power tool |
| 04/14/2004 | EP1116320B1 A synchronous machine with rotating brushes |
| 04/14/2004 | CN1489279A Motor drive dontrol circuit and motor drive equipment |
| 04/13/2004 | US6720697 Direct-current motor |
| 04/08/2004 | WO2004030203A1 Power generation device |
| 04/08/2004 | WO2004030188A1 Motor and gear motor |
| 04/08/2004 | US20040066104 Motor and attachment structure |
| 04/08/2004 | DE10244102A1 Sensor arrangement for detecting electric motor rotational parameter e.g. for vehicle wiper, produces magnetic field change when non-magnetic part can be detected on periphery of part by Hall sensor |
| 04/07/2004 | EP1405390A1 Alternator-starter for motor vehicle with mechanical static converter |
| 04/07/2004 | EP1405385A2 Electric machine |
| 04/07/2004 | EP1074085B1 Method for producing a rotor or stator of an electrical machine from sheet metal cuttings |
| 04/07/2004 | CN1487654A DC motor with inner rotor and outer stator and double-and single-roller brush |
| 04/07/2004 | CN1487648A DC motor and producing method thereof |
| 04/07/2004 | CN1145251C Winding method of armature winding |
| 04/06/2004 | US6717306 Coreless motor |
| 04/06/2004 | US6717303 Electric actuator |
| 04/01/2004 | US20040061460 Device for controlling an electronically switched motor comprising angularly distributed singularities |
| 04/01/2004 | US20040061387 Magnetically actuated commutator |
| 04/01/2004 | DE4430671B4 Steuerungssytem zum Steuern des Luftüberschußverhältnisses einer einen Generator/Motor verwendenden Brennkraftmaschine Steuerungssytem for controlling the air excess ratio of a generator / motor used engine |
| 03/31/2004 | EP1404016A1 Device for controlling an electronically-commutated motor comprising angularly distributed singularities |
| 03/31/2004 | CN2609271Y Micro toy electric machine |
| 03/31/2004 | CN1485969A Motor for electric power steering unit |
| 03/30/2004 | US6713933 Electromagnetic motor |
| 03/30/2004 | US6713911 Disc-shaped eccentric rotor and flat type vibrator motor having the rotor |
| 03/25/2004 | US20040056628 Motor drive control circuit and motor drive apparatus |
| 03/25/2004 | US20040056548 Direct current motor |