| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 05/26/1992 | US5117141 Disc rotors with permanent magnets for brushless DC motor |
| 05/26/1992 | US5115738 Printing machine particularly a sheet-fed offset printing machine |
| 05/24/1992 | WO1992010023A1 Electric motor |
| 05/24/1992 | CA2074477A1 Electric motor |
| 05/19/1992 | US5115158 Electric motor with magnetic locking abutment member and heat shield for a space vehicle operated by a motor of this kind |
| 05/14/1992 | DE4035767A1 Bicycle dynamo driven by wheel rotation - has double number of alternating polarity energising teeth than number of armature teeth |
| 05/14/1992 | DE4035765A1 Reluctance machine for electrical power generation - has rotor energising system in 2 parts of opposite polarity cooperating with toothed armature laminations packet |
| 05/13/1992 | EP0484666A1 Inner-rotor commutation device |
| 05/13/1992 | EP0484525A1 Power servomotor |
| 05/12/1992 | US5113100 Energization coil device, a method of making such a device and an electromagnetic micromotor fitted therewith |
| 05/06/1992 | EP0483778A2 Rotating electric motor |
| 05/06/1992 | CN1060935A Ac permanent-magnetic generator using conductor speed-change voltage-regulating |
| 05/02/1992 | CA2051287A1 Inner-rotor commutation device |
| 04/30/1992 | WO1992007411A1 Motor and/or generator operating on the reluctance principle |
| 04/29/1992 | EP0482226A1 Motor and/or generator operating according to the reluctance principle |
| 04/29/1992 | EP0482063A1 Radial drive for implantable centrifugal cardiac assist pump. |
| 04/29/1992 | CN2103219U A. c. permanent-magnet motor |
| 04/29/1992 | CN2103218U Rare-earth permanent-magnet synchronous motor with whole rotor light-charge structure |
| 04/21/1992 | US5107156 Synchronous motor |
| 04/16/1992 | WO1992006530A1 An electric power train for vehicles |
| 04/15/1992 | CN2101965U Rare-earth synchronism motor with ring shaped rotor |
| 04/15/1992 | CN2101964U Ac permanent magnetic generator |
| 04/02/1992 | WO1992005618A1 Electrical machine |
| 04/01/1992 | CN2100707U Compound exciter for automobile brushless generator |
| 03/31/1992 | CA1298340C Permanent magnet motor with hysteresis drag cup coupling |
| 03/25/1992 | CN2100053U Double-excitation silicon rectifier-generator |
| 03/19/1992 | DE4029271A1 Elektrische maschine Electrical machine |
| 03/18/1992 | CN2099408U Motor of indirect magnet producing electricity |
| 03/17/1992 | US5097167 Rotary electric machine coil assemblies |
| 03/17/1992 | US5097166 Rotor lamination for an AC permanent magnet synchronous motor |
| 03/17/1992 | US5097140 Combined |
| 03/04/1992 | EP0473534A2 Permanent magnet rotor and motor |
| 03/04/1992 | CN2098119U Three-phase frequency-changer rare-earth permanent-magnet synchronous motor rotor |
| 03/04/1992 | CN2098118U Neutral point-adjustable commutator flywheel generator |
| 03/03/1992 | US5093595 Spindle motor having reduced torque ripple |
| 02/25/1992 | US5091809 Disc drive with small air gap between back iron and spindle hub |
| 02/20/1992 | WO1992002982A1 Rotatory-field motor |
| 02/19/1992 | CN2096841U Improved magnetic motor stator |
| 02/19/1992 | CN1058865A Rotation permanent-magnet generator |
| 02/18/1992 | US5089734 Dual rotary ac generator |
| 02/18/1992 | US5089732 Spindle motor |
| 02/18/1992 | US5088902 Piston type metering pump |
| 02/13/1992 | DE4126019A1 Drehfeldmotor Synchro motor |
| 02/12/1992 | CN2096157U Permanent magnetic wind generator |
| 02/11/1992 | CA1295648C Electric motor rotator for christmas tree ornaments |
| 02/05/1992 | EP0469822A2 Brushless motor |
| 02/05/1992 | EP0469263A2 Electrical energy producing generator |
| 01/22/1992 | CN2093913U Fan with single-phase ac pm synchronous electric motor |
| 01/21/1992 | US5083052 Electric fan motor and a method for producing the same |
| 01/21/1992 | CA1294661C Brushless dc motor |
| 01/17/1992 | CA2047039A1 Annular generator |
| 01/15/1992 | EP0269719B1 Dual permanent magnet generator |
| 01/14/1992 | US5081388 Magnetic induction motor |
| 01/09/1992 | WO1992000628A1 Dynamo-electric machine having cross-flux sectors |
| 01/09/1992 | WO1992000453A1 Generator with power-supply system for electronic ignitions |
| 01/07/1992 | US5079461 Power supply device for bicycles |
| 01/01/1992 | CN2092162U Digital-controlled full-speed synchronous motor using rare-earth magnet |
| 12/25/1991 | CN1057368A Constant voltage a.c. generator for tracotor |
| 12/24/1991 | US5075605 Inner-rotor commutation device |
| 12/17/1991 | US5073093 Scroll-type fluid handling machine |
| 12/17/1991 | US5072714 Flywheel with magnet poles |
| 12/12/1991 | WO1991020120A1 Direct current motor utilizing back electromotive force |
| 12/12/1991 | DE4017442A1 Separate spindle drive - has a two=phase synchronous motor with two coil groups for synchronised running through switches and frequency converter |
| 12/12/1991 | CA2083270A1 Direct current motor utilizing back electromotive force |
| 12/05/1991 | DE4117801A1 Electric motor with radial flux rotor - has couple-producing stator and position or speed sensor |
| 12/05/1991 | DE4115887A1 Permanent magnet rotor dynamoelectric machine - has rotor-coaxial stator coil with axial flux paths in rotor and stator |
| 12/04/1991 | EP0459585A1 Scanning device comprising a rotatable mirror and drive unit for use in the scanning device. |
| 12/03/1991 | US5070269 Miniature motor having a frequency generator |
| 12/03/1991 | US5070268 Rotor of a magnetomotive device |
| 11/28/1991 | WO1991018440A1 Power servomotor |
| 11/27/1991 | EP0458056A1 Electromagnetic motor |
| 11/26/1991 | US5068554 Electric motor |
| 11/21/1991 | EP0334901B1 Transverse flow machine in a collector arrangement |
| 11/20/1991 | CN2089221U Constant-voltage permanent magnet ac generator |
| 11/20/1991 | CN2089219U Permanent magnet ac generator |
| 11/19/1991 | US5066880 Permanent magnet polyphase synchronous machine |
| 11/13/1991 | CN1056195A Electromagnetic motor |
| 11/13/1991 | CN1056193A Low-profile disk drive motor |
| 11/12/1991 | US5065061 Eiec tromagnetic actuator for valve stem |
| 11/06/1991 | EP0455578A2 Hybrid single-phase variable reluctance motor |
| 11/06/1991 | EP0455283A1 Vehicle brake pressure modulator |
| 11/06/1991 | EP0454685A1 Under-the-hub disk drive spin motor. |
| 10/30/1991 | CN2087841U High-efficiency non-symmetrical stator jaw pole permanent-magnet synchronous electric machine |
| 10/22/1991 | US5059884 Variable reluctance motor providing holding torque |
| 10/22/1991 | US5059875 Motor and controller |
| 10/22/1991 | CA1291199C Full flux reversal variable reluctance machine |
| 10/17/1991 | DE4109693A1 Current generator for motorcycle or bicycle - uses permanent magnet ring and cooperating coil providing induced current |
| 10/17/1991 | DE4012161A1 Voltage-regulated permanent magnet dynamo for bicycle - uses ferromagnetic particles displaced outward by centrifugal force to alter magnetic resistance |
| 10/16/1991 | EP0452037A1 An alternator assembly for an internal combustion engine |
| 10/16/1991 | EP0451551A1 Electrical driving device for a vehicle |
| 10/16/1991 | CN2086947U Synchronous motor with combination of permanent magnetism and magnetic resistance |
| 10/16/1991 | CN1055450A Petal type large coil winding disc electric machine |
| 10/15/1991 | US5057733 Modular coil cores for electric motor |
| 10/15/1991 | US5057731 Simplified spindle motor for disc drive |
| 10/10/1991 | CA2040006A1 Internal combustion engine with integral stator and regulator |
| 10/09/1991 | EP0450288A2 Electrical linear motor |
| 10/08/1991 | CA1290380C Disc drive spindle motor with low cogging torque |
| 10/02/1991 | EP0449538A1 Dynamo electric machine |
| 10/02/1991 | DE4010376A1 Ring spinner spindle drive - has three phase synchronous motor with permanently energised rotor for control through switches |
| 10/02/1991 | CN2086016U Permasyn motor with non-symmetrical stator claw-poles |