| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 04/09/1997 | EP0505430B1 An arrangement in generators for ignition systems generating voltages for control and charging |
| 04/09/1997 | CN2251833Y Tension pulley type flywheel magneto |
| 04/08/1997 | US5619087 Axial-gap rotary-electric machine |
| 04/08/1997 | US5619085 Slotless, brushless, large air-gap electric motor |
| 04/08/1997 | CA2127557C Lightweight high power electromotive device |
| 04/03/1997 | WO1997012435A1 Generator/motor |
| 04/02/1997 | EP0766271A1 Magnetic attraction driving engine using permanent magnet |
| 04/02/1997 | EP0765540A1 Flat electric motor |
| 04/02/1997 | EP0624286B1 Brushless dc motors/generators |
| 04/01/1997 | US5616977 Polyphase electric machines with prefabricated winding layers |
| 04/01/1997 | US5616974 Fan motor |
| 03/26/1997 | EP0656157B1 Electric fan motor |
| 03/26/1997 | CN2250595Y Permanent magnet synchronous generator |
| 03/26/1997 | CN1146091A Motor structure |
| 03/26/1997 | CN1034378C Permanent magnetic motor |
| 03/25/1997 | US5614779 Electronic watch |
| 03/25/1997 | US5614777 Flywheel based energy storage system |
| 03/20/1997 | DE19637036A1 Brushless electric motor for motor vehicle air-conditioning |
| 03/19/1997 | EP0763880A1 Electrical machine |
| 03/19/1997 | EP0763273A1 Electric current generation apparatus |
| 03/19/1997 | EP0650644B1 Electric motor-wheel |
| 03/13/1997 | WO1997009775A1 Synchronous motor |
| 03/13/1997 | DE19533076A1 Control circuit for brushless synchronous electric motor e.g. for washing machine pumps |
| 03/12/1997 | EP0762619A2 Method and device for reducing cogging in an electric motor |
| 03/12/1997 | EP0762618A1 Electrical machine |
| 03/12/1997 | EP0762617A1 Alternator for vehicle |
| 03/12/1997 | EP0762600A1 Power generating device |
| 03/12/1997 | EP0664934B1 Motor and/or generator working on the reluctance principle |
| 03/12/1997 | CN1144985A 万能电机 Universal Motor |
| 03/11/1997 | US5610782 Floppy disk drive device |
| 03/11/1997 | US5610464 Direct current motor having a decreasing cogging torque |
| 03/06/1997 | WO1997008809A1 Motor with motor parts which are movable relative to one another |
| 03/06/1997 | WO1997008805A1 Plastic brushless direct current disk-shaped electric motor |
| 03/06/1997 | WO1997008432A2 Permanent magnet rotor alternator |
| 03/06/1997 | DE19635047A1 Brushless electric motor esp. for head drum of video tape recorders, hard disk drives and polygon-scanner actuators |
| 03/06/1997 | DE19633209A1 Reducing reluctance moment or cogging of electric motor |
| 03/06/1997 | CA2242198A1 Plastic brushless direct current disk-shaped electric motor |
| 03/05/1997 | EP0607378B1 Actuator for adjusting the angle of rotation of a setting device |
| 03/05/1997 | CN1144577A Motor including embedded permanent magnet-rotor |
| 03/04/1997 | US5608616 Power converter |
| 03/04/1997 | US5608592 Head actuator |
| 03/04/1997 | US5608279 For receiving rotary mechanical energy/generating electrical power |
| 03/04/1997 | US5608278 Self-pumped fluid bearing with electromagnetic levitation such as for a light beam deflector |
| 03/04/1997 | US5606791 Method of making a slotless electric motor or transducer |
| 02/27/1997 | WO1997007587A1 Magnetic circuits in the rotation system for generating both the mechanical power and the electric power |
| 02/27/1997 | WO1997007583A1 Doubly salient variable reluctance machine with stationary permanent magnets or auxiliary field windings |
| 02/27/1997 | DE19608099C1 Flywheel energy store |
| 02/27/1997 | DE19530918A1 Motor mit gegeneinander bewegbaren Motorteilen Motor with mutually movable engine parts |
| 02/27/1997 | CA2229376A1 Magnetic circuits in the rotation system for generating both the mechanical power and the electronic power |
| 02/26/1997 | CN1143854A Magnetic operational unit |
| 02/26/1997 | CN1143850A Permanent-magnet synchronous generator |
| 02/26/1997 | CN1143810A Head drum assembly for use in video cassette recorder |
| 02/25/1997 | US5606448 Polygon scanner and production process thereof |
| 02/25/1997 | US5606247 Mechanical gear drive system having integral electric power generation capability |
| 02/25/1997 | US5606210 Power generator by magnetically repulsing magnetic shuttles |
| 02/25/1997 | US5606208 Brushless motor having terminals for connecting winding ends to circuit board lands |
| 02/25/1997 | US5606207 Power generating apparatus for a bicycle |
| 02/20/1997 | DE19632818A1 Rotor coil for homopolar dynamoelectric rotary machines |
| 02/20/1997 | DE19529800A1 Claw-pole electric generator e.g. for bicycles |
| 02/18/1997 | US5604390 Permanent magnet motor with radically magnetized isotropic permanent magnet cylindrical yoke |
| 02/18/1997 | US5604389 Spindle motor |
| 02/12/1997 | CN2247390Y Rear-earth permanent magnetic voltage-stabilizing generator |
| 02/12/1997 | CN1142704A Strong magnet power machine |
| 02/05/1997 | CN1142135A Unyoked solt-less axial magnetic-path motor |
| 02/05/1997 | CN1142133A Electric vehicle-wheel assembly |
| 02/04/1997 | US5600514 Magnetic disk drive including labyrinth seal and magnetic seal |
| 01/30/1997 | WO1997003225A1 Programmable ultraclean electromagnetic substrate rotation apparatus and method for microelectronics manufacturing equipment |
| 01/23/1997 | WO1997002645A1 Doubly salient permanent magnet machine with field weakening (or boosting) capability |
| 01/23/1997 | WO1997002644A1 Multiphase electric machine |
| 01/23/1997 | WO1997002643A1 Permanently excited transverse flux machine and method of producing the same |
| 01/23/1997 | DE19524542A1 Mehrphasige elektrische Maschine und Verfahren zu ihrer Herstellung A multi-phase electric machine and process for their preparation |
| 01/23/1997 | CA2226004A1 Doubly salient permanent magnet machine with field weakening (or boosting) capability |
| 01/22/1997 | EP0754365A1 Redundant electric motor arrangement including single rotor assembly having two magnet sections |
| 01/22/1997 | EP0754252A1 Wool-combing machine with individual electric drives to several spindles |
| 01/22/1997 | CN2245825Y Round ring low, middle and high frequency alternator |
| 01/22/1997 | CN2245823Y Symmetric double-stator permanent-magnetic alternator |
| 01/22/1997 | CN2245821Y Anti-back-motion mechanism for permanent-magnet jaw pole synchronous electric machine |
| 01/22/1997 | CN1033883C Polyphase electromagnetic transducer having a multipolar permanent magnet |
| 01/22/1997 | CN1033882C A permanent magnet type rotating machine |
| 01/21/1997 | US5596235 Spindle motor with seal structure |
| 01/16/1997 | WO1997001379A1 Drive unit for transport devices |
| 01/15/1997 | EP0753932A2 Motor structure |
| 01/15/1997 | EP0753927A2 Claw pole type synchronous motor |
| 01/15/1997 | EP0605573B1 Ultrasonic instrument with a micro motor having stator coils on a flexible circuit board |
| 01/15/1997 | CN2245302Y Octopolar claw polar type permasyn motor |
| 01/15/1997 | CN1033836C Miniature motor |
| 01/14/1997 | US5594600 Dual internal bus system architecture for hard disk drive |
| 01/14/1997 | US5594289 Magnetic rotating apparatus |
| 01/09/1997 | DE19524543A1 Permanenterregte Transversalflußmaschine und Verfahren zu ihrer Herstellung Permanent-magnet transverse flux machine and process for their preparation |
| 01/08/1997 | EP0752749A2 Motor structure |
| 01/03/1997 | WO1997000549A1 A rotor |
| 01/02/1997 | DE19522450A1 Compensation base circuit for motors and pref. for generators |
| 01/02/1997 | DE19522434A1 Voltage source circuit with capacitor compensation |
| 01/01/1997 | CN1139311A Alternating corrent generator for vehicle |
| 01/01/1997 | CN1139266A Capstan motor for magnetic recording and reproducing apparatus |
| 12/31/1996 | US5589722 Sheet coil motor and method of fabricating the same |
| 12/27/1996 | EP0750387A1 An electricity driven device and method for increasing the rotational inertia of a rotary object or of the blade of a lawn mower |
| 12/27/1996 | EP0750305A1 Outer-rotor type spindle motor |
| 12/27/1996 | EP0749877A1 Transversal flux machine to be employed in a vehicle direct drive, in particular a railway traction drive |
| 12/27/1996 | EP0749644A1 Specifications for the pulsed field flux engine |