| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 05/02/2002 | EP1202431A1 Rotor of revolving field type AC generator |
| 05/02/2002 | EP1202430A1 Brushless motor |
| 05/02/2002 | EP1201019A1 Electronically commutated machine, in particular a motor |
| 05/02/2002 | DE10147364A1 Statorstruktur für eine Rotorvorrichtung und deren Herstellung A stator structure for a rotor assembly and their preparation |
| 05/02/2002 | DE10053400A1 Axial flow motor for concentrating flow with permanent magnet excitation has a stator and a rotor with flow concentration pieces of soft magnetic material and permanent magnets magnetized at a tangent to the direction of movement. |
| 05/02/2002 | DE10047412A1 Design for field coil magnetic control for high RPMs uses field coil magnets to produce current/power when in position but capable of being moved out of position by a controllable automatic tensile force. |
| 05/02/2002 | CA2426922A1 Rotor for an electric machine, especially a synchronous machine, and synchronous machine with a transverse flux |
| 05/01/2002 | CN1347585A Rotor device |
| 05/01/2002 | CN1347185A 电动机 Electric motor |
| 05/01/2002 | CN1346770A Motor-driven vehicle |
| 04/30/2002 | US6381198 Clockwork movement fitted with a generator |
| 04/30/2002 | US6380646 Motor with an electrically commutated stator and a rotor with permanent magnets |
| 04/30/2002 | US6379126 Blower |
| 04/30/2002 | CA2114219C Polyphase electric machine with prefabricated winding layers |
| 04/25/2002 | WO2002033804A1 Rotor unit for an electromotor and an internal rotor electromotor |
| 04/25/2002 | US20020047765 Stepping motor and driving apparatus |
| 04/25/2002 | US20020047477 Method of providing electric power with thermal protection |
| 04/25/2002 | US20020047474 Motor structutre having low profile |
| 04/25/2002 | US20020047473 Stator for an electrical rotating machine |
| 04/25/2002 | US20020047460 Electric power steering apparatus |
| 04/25/2002 | US20020047459 Multipolar magnet type generator for internal combustion engines |
| 04/25/2002 | US20020047449 Rotary electric machine, linear motor and stator thereof |
| 04/25/2002 | US20020047448 Permanent-magnet motor-generator with voltage stabilizer |
| 04/25/2002 | US20020047447 Self-starting brushless electric motor |
| 04/25/2002 | US20020047435 Permanent magnet reluctance motor |
| 04/25/2002 | US20020047434 Permanent magnet rotating electric machine |
| 04/25/2002 | US20020047432 Interior permanent magnet synchronous motor |
| 04/25/2002 | US20020047431 AC servomotor |
| 04/25/2002 | US20020047429 Motor, electric vehicle and hybrid electric vehicle |
| 04/25/2002 | US20020047426 Motor including embedded permanent-magnet and method for making the same |
| 04/25/2002 | US20020047425 Rotary electric machine having a flux-concentrating rotor and a stator with windings on teeth |
| 04/25/2002 | US20020047421 Magneto electric generator rotor and an implement for removing this rotor |
| 04/25/2002 | US20020047418 Compact and reliable structure of multi-rotor synchronous machine |
| 04/25/2002 | US20020047397 Rotary electric machine |
| 04/25/2002 | US20020047396 Motor having a dynamic pressure bearing apparatus and a manufacturing method thereof |
| 04/25/2002 | US20020047394 Spindle motor |
| 04/25/2002 | US20020047393 Spindle motor and method of manufacturing the same |
| 04/25/2002 | US20020047389 Spindle motor and pivot assembly |
| 04/25/2002 | US20020047387 Spindle motor with toroidal sealing plates |
| 04/25/2002 | US20020047369 Vibration motor having an eccentric weight and device including the same motor |
| 04/25/2002 | US20020047367 Motor having two degrees of free motion |
| 04/25/2002 | US20020047346 Methods and apparatus for increasing power of permanent magnet motors |
| 04/25/2002 | US20020047338 Magneto generator |
| 04/25/2002 | US20020047337 Automatic balancing apparatus |
| 04/25/2002 | US20020047335 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same |
| 04/25/2002 | US20020047334 Motor |
| 04/25/2002 | US20020047329 Motor having rotor formed by using thermosetting resin |
| 04/25/2002 | US20020047317 Motor with linear and rotary motion |
| 04/25/2002 | US20020046891 Electric motor-driven vehicle |
| 04/24/2002 | EP1198875A1 Permanent magnet synchronous motor |
| 04/24/2002 | CN2488222Y Vertical disk electric machine |
| 04/24/2002 | CN1346170A Multi-winding generator |
| 04/24/2002 | CN1346169A 电动机 Electric motor |
| 04/24/2002 | CN1083629C 永磁电动机 Permanent magnet motor |
| 04/24/2002 | CN1083603C Capstan motor for magnetic recording and reproducing apparatus |
| 04/23/2002 | US6376959 Mangle magnetic structure |
| 04/23/2002 | US6376958 Permanent magnet type synchronous motor and air compressor |
| 04/23/2002 | US6376957 Alternating current machine |
| 04/23/2002 | US6376940 Drive motor and drive apparatus for a molding machine |
| 04/18/2002 | WO2002031947A1 Electric motor |
| 04/18/2002 | WO2002030722A2 Electrically actuated automotive disc brake |
| 04/18/2002 | DE10047911A1 Antrieb eines Radsatzes Drive a wheelset |
| 04/16/2002 | US6373655 Low cost hydrodynamic spindle |
| 04/16/2002 | US6373162 Permanent magnet electric machine with flux control |
| 04/16/2002 | US6373161 Periodic air gap electric generator |
| 04/16/2002 | US6371650 Hydraulic dynamic bearing and spindle motor and rotary assembly provided |
| 04/11/2002 | US20020041128 Motor having a rotor with interior split-permanent-magnet |
| 04/11/2002 | US20020041127 Permanent magnet rotor |
| 04/11/2002 | DE10111951A1 Alternator for IC engine, has flywheel magnets secured by protection ring provided with openings aligned with abutting ends of adjacent magnets |
| 04/11/2002 | DE10050282A1 Synchronous electrical machine for wheel hub drive for pedal drive vehicle, has stator element between elements with number of magnet poles given by ratio of pole shoes to phases |
| 04/11/2002 | DE10050269A1 Electrical synchronous machine comprises permanent magnet excitation and transversal flux fed inwards from outer stator elements to central stator element |
| 04/11/2002 | DE10047675A1 Statorbaueinheit für eine Synchronmaschine mit transversaler Flußführung und Synchronmaschine A stator for a synchronous machine with transverse flux and synchronous machine |
| 04/11/2002 | DE10043120A1 Elektrische Maschine für hohe Ummagnetisierungsfrequenzen Electrical machine for high Ummagnetisierungsfrequenzen |
| 04/10/2002 | EP1194999A1 Method for setting a polyphase electric stepper motor |
| 04/10/2002 | EP1058962A4 Rotor control for synchronous ac machines |
| 04/10/2002 | CN2485862Y Stator coil for magnet motor of motorcycle |
| 04/10/2002 | CN2485861Y Integral permanent magnetic synchronous motor |
| 04/10/2002 | CN2485860Y Bidirectional large moment synchronous motor |
| 04/10/2002 | CN1344432A Disk motor |
| 04/09/2002 | USRE37638 Magnetic hard disk storage device |
| 04/09/2002 | US6369991 Head drum apparatus |
| 04/09/2002 | US6369486 Motor vehicle alternator rotor with interposed permanent magnets |
| 04/09/2002 | US6369483 Electric machine with a single pole winding |
| 04/09/2002 | US6369480 Compressor using a motor |
| 04/09/2002 | US6369478 Permanent-magnet-type electric rotating machine and air compressor and generator using the same |
| 04/09/2002 | US6368075 Pump with a magnetically supported rotor |
| 04/04/2002 | WO2002026541A1 Direct drive for a wheel set |
| 04/04/2002 | US20020039459 Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball |
| 04/04/2002 | US20020038983 Stator structure of rotary device and its forming method |
| 04/03/2002 | EP1193842A2 Generator with diverse power-generation characteristics |
| 04/03/2002 | EP0792004B1 Induction generator with single pair of opposing magnetic poles |
| 04/03/2002 | CN1343386A Electric machine |
| 04/02/2002 | US6365999 Stator module for an electric motor |
| 04/02/2002 | CA2080149C Permanent magnet brushless dc motor having reduced cogging |
| 03/28/2002 | WO2002025796A1 Electrical machine |
| 03/28/2002 | WO2001052386A3 Electric motor with external rotor |
| 03/28/2002 | US20020037803 Lightweight, heat resistance, high strength, toughness, wear resistance |
| 03/28/2002 | US20020036438 Compressor using a motor |
| 03/28/2002 | US20020036436 Permanent magnet rotating electric machine |
| 03/28/2002 | US20020035775 Method of expanding types of synchronous motors and synchronous motors produced by the method |