| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 04/22/1998 | EP0837538A1 Claw pole generator |
| 04/22/1998 | EP0837231A2 Gaseous fuel compression and control system and method |
| 04/22/1998 | EP0837224A2 Helical flow compressor/turbine permanent magnet motor/generator |
| 04/22/1998 | EP0836761A1 Doubly salient permanent magnet machine with field weakening (or boosting) capability |
| 04/22/1998 | EP0836760A1 Multiphase electric machine |
| 04/22/1998 | EP0836759A1 Permanently excited transverse flux machine and method of producing the same |
| 04/22/1998 | CN2279742Y Antimagnetic energy-saving generator |
| 04/21/1998 | US5742450 Disk drive spindle motor with radial gap and field generating coils interconnected by ring flux guide |
| 04/15/1998 | CN2279030Y Self-start three-phase rare-earth permasyn motor |
| 04/14/1998 | US5739647 Multi-rotor electromechanical transducer and method for controlling such a transducer |
| 04/14/1998 | US5739620 Optimum groove/pole ratio for brushless motor stator profile |
| 04/14/1998 | US5739614 Two-phase unipolar driving brushless DC motor |
| 04/09/1998 | WO1998015050A2 Drive arrangement with electromagnetic bearing means and elastically pivotable centering element |
| 04/09/1998 | DE19743314A1 Brushless motor with permanent magnet rotor e.g. for powering motor vehicle |
| 04/09/1998 | DE19639670A1 Transverse flux machine with a number of parallel-connected annular coils e.g. for single-phase energy converter |
| 04/07/1998 | USRE35763 Permanent magnet excited electric motor |
| 04/07/1998 | US5736806 Cylindrical electrochemical transducer |
| 04/01/1998 | EP0833429A1 Transversal flux machine with a plurality ofparallely connected wine stands and circuit device for supplying such machine |
| 04/01/1998 | EP0832511A1 Electric machine |
| 03/31/1998 | US5734213 Head drum assembly for use in a video cassette recorder |
| 03/31/1998 | US5734211 Spindle motor with soundproofing |
| 03/25/1998 | CN2277144Y Dish-shape permanent-magnet a.c synchronous generator |
| 03/25/1998 | CN1037885C Generator for magneto generator |
| 03/24/1998 | US5731649 Electric motor or generator |
| 03/24/1998 | US5731647 Hybrid-energized synchronous electric machine |
| 03/24/1998 | US5731645 Integrated motor/generator/flywheel utilizing a solid steel rotor |
| 03/18/1998 | EP0829129A1 Electromagnetic actuator magnetically locked into two or more stable positions |
| 03/18/1998 | EP0829128A1 A self-starting brushless electric motor |
| 03/18/1998 | EP0829126A1 Rotary electrical machines |
| 03/18/1998 | EP0727107A4 Lightweight high power electromotive device and method for making same |
| 03/18/1998 | CN2276687Y Rare earth permanent magnet outer rotor wheeled electrical machinery |
| 03/18/1998 | CN2276686Y Voltage statilizing magneto |
| 03/18/1998 | CN2276685Y High-quality neodymium iron boron power frequency generator |
| 03/12/1998 | WO1998010504A1 Methods and apparatus for improved dc motors and magnetic clutches |
| 03/12/1998 | DE19636591A1 Permanent magnet sync generator for direct wind-power energy converter |
| 03/10/1998 | US5726829 Axial spindle motor for hard disk drive assembly |
| 03/10/1998 | US5726514 Circuit arrangement for energizing a two-phase electric machine |
| 03/10/1998 | CA2101662C Permanent magnet brushless torque actuator |
| 03/05/1998 | DE19634949C1 Transversal-flux electrical machine with several transverse magnetic circuits |
| 03/03/1998 | US5723933 Electronically commutated DC machine |
| 03/03/1998 | US5723930 Stators incorporating blank winding slots for a permanent magnet brushless motor and method of winding thereof |
| 03/03/1998 | US5723928 Induction motor and method of adjusting power factor of the same |
| 03/03/1998 | US5723927 Dynamic pressure bearing spindle motor |
| 03/03/1998 | US5723919 Micrometer with simplified bearings |
| 02/26/1998 | WO1998008290A2 Brushless synchronous rotary electrical machine |
| 02/25/1998 | EP0754365B1 Redundant electric motor arrangement including single rotor assembly having two magnet sections |
| 02/25/1998 | CN1037559C Method of manufacturing rotor in magneto generator |
| 02/24/1998 | US5721473 Electric motorized vehicular wheel with adjuncts |
| 02/24/1998 | US5721460 Capstan motor |
| 02/24/1998 | US5721459 Energy storage apparatus |
| 02/19/1998 | WO1998007227A1 Rotary electrical machines |
| 02/18/1998 | CN2274840Y Electric power generator with axial permanent magnet voltage stabilizing disc |
| 02/18/1998 | CN2274839Y Electric power generator |
| 02/18/1998 | CN2274838Y Rotary compressor with slider and drived by permanent synchronous motor |
| 02/18/1998 | CN1037477C Automotive a.c generator |
| 02/17/1998 | US5719694 Device for the deflection of light beams |
| 02/17/1998 | US5719459 Electric motor for a steering mechanism |
| 02/17/1998 | US5719458 Power generator with improved rotor |
| 02/11/1998 | EP0823771A1 Motor |
| 02/10/1998 | US5717316 Motive power generating apparatus utilizing energy of permanent magnet |
| 02/10/1998 | US5717262 Cooling apparatus for an AC generator |
| 02/10/1998 | US5715590 Apparatus for making a slotless electric motor or transducer |
| 02/04/1998 | EP0822638A1 Electrical machine comprising areas for homogenizing the magnetic field in the permanent magnets |
| 02/04/1998 | CN1172375A Generating system including generator having permanent magnet |
| 02/03/1998 | US5714828 For a hard disc drive |
| 02/03/1998 | US5714823 Quasi regulated permanent magnet generator |
| 02/03/1998 | US5713427 Hybrid drive in a motor vehicle |
| 01/29/1998 | WO1997037423A3 Turbomachine, especially for a domestic appliance |
| 01/29/1998 | DE19629694A1 Safety lighting device e.g. for pedestrians or cyclists |
| 01/28/1998 | CN2273470Y Disc type permanent magnet motor capable of realizing weak magnetic control |
| 01/27/1998 | US5712521 Hybrid synchronous machine with transverse magnetic flux |
| 01/27/1998 | CA2033170C Synchronous machine |
| 01/21/1998 | CN1171174A Transverse flux machine |
| 01/20/1998 | US5710531 Static field converter |
| 01/20/1998 | US5710476 Armature design for an axial-gap rotary electric machine |
| 01/20/1998 | US5710474 Brushless DC motor |
| 01/20/1998 | US5710471 Hybrid alternator with full output at idle |
| 01/20/1998 | CA2051118C Lightweight high power electromotive device |
| 01/15/1998 | DE19643561C1 Electrical machine with single pole winding |
| 01/14/1998 | EP0818870A1 Reluctance motor having magnetic poles formed by laminating steel plates in circumferential direction |
| 01/14/1998 | EP0818077A1 Hybrid alternator |
| 01/14/1998 | CN2272629Y Single-phase ac permanent magnet synchronous micromotor |
| 01/14/1998 | CN1170270A Reciprocating A. C. motor with permanent magnets |
| 01/14/1998 | CN1170266A Spindle motor with disk storage device |
| 01/14/1998 | CN1170265A Spindle motor |
| 01/14/1998 | CN1037050C Magnetic rotating apparatus |
| 01/08/1998 | WO1998000902A1 Electronically commutated motor for direct drive of washing machine drum |
| 01/07/1998 | EP0815633A1 Doubly-salient permanent-magnet machine |
| 01/07/1998 | CN2272165Y Fly-wheel generator |
| 01/07/1998 | CN2272164Y Brushless magnetoelectric ac generator for vehicle |
| 01/07/1998 | CN1169612A Permanent magnet field type rotating machine |
| 01/06/1998 | US5705917 Light weight machine with rotor employing permanent magnets and consequence poles |
| 01/06/1998 | US5705902 Electric machine |
| 01/06/1998 | US5705871 Pulse generator having index angles formed by permanent magnet rotor |
| 01/06/1998 | US5704338 Flywheel magneto generator |
| 12/29/1997 | EP0746897A4 Air-bearing motor assembly for magnetic recording systems |
| 12/24/1997 | CN1168564A Two-phase unipolar driving brushless DC motor |
| 12/23/1997 | US5701047 Electric fan motor |
| 12/18/1997 | WO1997048172A1 Reluctance machine with permanent magnet rotor excitations |
| 12/17/1997 | CN1168019A Generator for cycles |