| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 08/20/1997 | CN1157675A Commutatorless polyphase AC electric machine |
| 08/20/1997 | CN1157502A Unyoked slotless axial magnetic circuit motor |
| 08/19/1997 | US5659217 Permanent magnet d.c. motor having a radially-disposed working flux gap |
| 08/15/1997 | CA2169515A1 Winding structure for operating a two phase motor from a three phase source |
| 08/14/1997 | DE19627998A1 Safety lighting system e.g. for pedestrians or cyclists |
| 08/13/1997 | EP0788779A2 D.C. Motor for driving a dental instrument |
| 08/13/1997 | CN1156970A Drive unit for transport devices |
| 08/12/1997 | US5656922 Vehicle based AC power system |
| 08/12/1997 | US5656911 Circuit for driving permanent-magnet synchronous motor using proportional controller |
| 08/12/1997 | US5656901 For providing a reaction force for a rotationally operated member |
| 08/12/1997 | US5656880 Discoidal dynamo-electric machine |
| 08/07/1997 | WO1997028596A2 Energy storage flywheel apparatus and methods |
| 08/06/1997 | EP0788214A1 Motor structure |
| 08/06/1997 | EP0787380A1 Motor with motor parts which are movable relative to one another |
| 08/05/1997 | US5654598 Brushless motor with inside mounted single bearing |
| 07/31/1997 | WO1997027663A1 Axial pole motor |
| 07/31/1997 | CA2242734A1 Axial pole motor |
| 07/30/1997 | EP0786851A1 Household appliance pump with self-starting single phase synchronous motor |
| 07/30/1997 | EP0786167A1 Controller for permanent magnet generator |
| 07/30/1997 | CN1155778A Capstan motor assembly and assembling method thereof |
| 07/29/1997 | US5652473 Rotary assembly including in particular radial support means and a magnetic axial abutment |
| 07/29/1997 | US5652470 Brushless DC drive motor with external rotor for use in disc drives and like devices |
| 07/24/1997 | DE19701797A1 Coreless and brushless double-rotor type DC motor with stator group mfg method |
| 07/24/1997 | DE19701342A1 Brushless d.c. motor |
| 07/23/1997 | EP0746896A4 Hybrid alternator with voltage regulator |
| 07/23/1997 | EP0738435A4 Permanent magnet axial air gap electric machine |
| 07/22/1997 | US5650681 Electric current generation apparatus |
| 07/22/1997 | US5650680 Dynamo electric machine with permanent magnet rotor structure |
| 07/22/1997 | US5650674 Enclosed electric motor with dynamic pressure air bearing |
| 07/15/1997 | US5647672 Memory disk driving apparatus |
| 07/10/1997 | WO1997024793A1 High efficiency dc motor with generator and flywheel characteristics |
| 07/09/1997 | EP0783201A1 Synchronous type electric motor and vehicle equipped with such a motor |
| 07/08/1997 | US5646466 Actuating apparatus and actuator |
| 07/03/1997 | WO1997023942A1 System for rotating a device |
| 07/03/1997 | CA2240865A1 System for rotating a device |
| 07/02/1997 | EP0782242A1 Multi-rotor electromechanical transducer and control method thereof |
| 07/02/1997 | EP0781980A1 Pulse generator |
| 07/01/1997 | US5644183 Flat electric motor having a stator formed from a folded stack of flat electrically insulating support elements with printed conductor windings |
| 06/26/1997 | WO1997023027A1 Method of fabricating a rotor for a motor and the rotor produced thereby |
| 06/25/1997 | EP0780954A1 Permanent magnet synchronous electric machine adapted to deliver constant power over a large speed range |
| 06/25/1997 | EP0780876A2 Drive device for a rotating anode of an x-ray tube |
| 06/25/1997 | EP0780507A2 Driving device for a front loading washing machine |
| 06/25/1997 | EP0780506A1 Driving device for a front-loading washing machine |
| 06/25/1997 | EP0641499B1 Rotational electric vehicle drive motor |
| 06/24/1997 | US5642013 Permanent-magnet synchronous motor |
| 06/24/1997 | US5642009 Quasi square-wave back-EMF permanent magnet AC machines with five or more phases |
| 06/19/1997 | DE19547016A1 Contact-free intermediate energy store for hybrid vehicle e.g. omnibus |
| 06/18/1997 | EP0779085A1 Drive unit for transport devices |
| 06/18/1997 | EP0482063B1 implantable centrifugal cardiac assist pump with radial drive implantable centrifugal cardiac assist pump with radial drive |
| 06/18/1997 | CN1152206A Alternator for vehicle |
| 06/11/1997 | EP0778654A2 Three-phase generator for bicycles |
| 06/11/1997 | CN1151628A Spindle motor with soundproofing |
| 06/10/1997 | US5637945 Brushless motor |
| 06/10/1997 | US5637941 Shaftless spinning rotor for an open-end spinning machine |
| 06/05/1997 | DE19642374A1 Non-volatile data storage device for use in portable computers |
| 06/05/1997 | DE19637953A1 Non-volatile data storage device for use in portable computers |
| 06/05/1997 | DE19635290A1 Non-volatile data storage device for use in portable computers |
| 06/04/1997 | EP0777317A1 Circuit device for supplying power to a two-phase electrical machine |
| 06/04/1997 | EP0777314A2 Motor structure |
| 06/04/1997 | CN1151226A Induction generator with single pair of identical polar relative spiale opposing magnetic poles |
| 06/03/1997 | US5635784 Bearingless ultrasound-sweep rotor |
| 06/03/1997 | US5635783 Brushless direct current motor |
| 06/03/1997 | US5635781 Brushless motor with an improved connector terminal |
| 06/03/1997 | CA2051752C Rotor lamination for an ac permanent magnet synchronous motor |
| 05/29/1997 | WO1997019508A1 Method and device for compensating for magnetic pull in a discoidal machine |
| 05/29/1997 | WO1997019507A1 A micromotor and a method of manufacturing a micromotor |
| 05/29/1997 | WO1997019505A1 D.c. brushless motor with minimized net radial forces and low cogging torque |
| 05/29/1997 | CA2210064A1 High speed ten pole/twelve slot dc brushless motor with minimized net radial force and low cogging torque |
| 05/28/1997 | CN2255117Y Rotor passive type high energy magnetic electric motor |
| 05/27/1997 | US5633551 Machine with transverse flux |
| 05/27/1997 | US5633549 Brushless pulse drive motor |
| 05/27/1997 | US5633545 Disk drive in-hub radial-gap spindle motor with coils generating axial fields |
| 05/22/1997 | WO1997018616A1 Motor |
| 05/22/1997 | WO1997018022A2 Apparatus with a plurality of electric-motor driven centrifuges |
| 05/20/1997 | US5631544 Hybrid alternator with voltage regulator |
| 05/20/1997 | US5631512 Synchronous motor having magnetic poles of permanent magnet and magnetic poles of a soft magnetic material |
| 05/20/1997 | US5631508 Cost-saving, small-sized motor with improved stability over wide speed range |
| 05/15/1997 | DE19645998A1 Artificial heart using sensorless, brushless DC motor |
| 05/14/1997 | EP0620952B1 Lightweight high power electromotive device |
| 05/14/1997 | EP0513094B1 Stator for dynamoelectric machine |
| 05/14/1997 | CN1149779A Brushless motor |
| 05/14/1997 | CN1149778A Motor with internally mounted permanent magnet |
| 05/07/1997 | EP0772279A1 AC generator for vehicle |
| 05/06/1997 | US5627419 Self-adjusting airgap motor/generator for flywheel system |
| 05/01/1997 | WO1997015978A1 Integrated magnetic levitation and rotation system |
| 04/30/1997 | DE19539583A1 Pancake-type electric motor e.g. for indication/display applications |
| 04/30/1997 | CN1148909A Electric current generation apparatus |
| 04/29/1997 | US5625276 Controller for permanent magnet generator |
| 04/29/1997 | US5625241 Carousel electric generator |
| 04/29/1997 | US5624100 For actuating a throttle valve in a gas conduit |
| 04/23/1997 | EP0769841A2 Electromotor and measuring device, in particular for indicating instrument in vehicle |
| 04/23/1997 | CN1148285A Magnetic generator |
| 04/17/1997 | WO1997008432A3 Permanent magnet rotor alternator |
| 04/17/1997 | DE19642396A1 DC commutator motor with simplified control of output torque e.g. for motor vehicle steering control |
| 04/17/1997 | DE19544307C1 Circuit arrangement for feeding 2-phase electrical machine e.g. for city bus of the future |
| 04/16/1997 | CN2252442Y Brushless pressure regulating rare earth mag-dynamo |
| 04/16/1997 | CN1147719A Motor structure |
| 04/16/1997 | CN1034624C Brush-less d.c. wave generator |
| 04/15/1997 | US5621261 Motor and/or generator operating on the reluctance principle |
| 04/15/1997 | US5619871 Laundry machine |