| Patents for H02K 1 - Details of the magnetic circuit (44,776) |
|---|
| 05/08/1990 | US4924125 Electric motor or alternator |
| 05/03/1990 | WO1990004875A1 Permanent-magnet synchronous motor |
| 05/03/1990 | WO1990004874A1 Laminated stators for dynamo-electric machines |
| 05/03/1990 | WO1990004745A1 Heat generating motor and warm air and warm water generator using same |
| 05/02/1990 | EP0365963A2 Self-centering vibration-damping rotor support |
| 05/02/1990 | EP0365781A2 Stepping motor rotor assembly for an electronic timepiece |
| 05/02/1990 | EP0365689A1 Synchronous motor |
| 05/02/1990 | CN1007859B Induction motor |
| 05/02/1990 | CN1007858B Sub-slot cover for dynamoelectric machine and structure combined with slot |
| 05/01/1990 | US4922152 Synchronous machine rotor lamination |
| 05/01/1990 | US4922150 Vertical-axis electrical machine of umbrella design |
| 05/01/1990 | US4922144 Rotor assembly structure |
| 05/01/1990 | US4920634 Permanent magnet rotor with magnet retention band |
| 05/01/1990 | CA2001909A1 Generator core support system |
| 04/25/1990 | EP0365233A1 Rotor in an electric motor |
| 04/25/1990 | EP0365217A2 Stator keybar installation using auxiliary plates |
| 04/24/1990 | US4918962 Apparatus and method for forming edgewise wound cores |
| 04/24/1990 | US4918831 Method of fabricating composite rotor laminations for use in reluctance, homopolar and permanent magnet machines |
| 04/24/1990 | US4918830 Method of preparing a permanent magnet DC machine |
| 04/24/1990 | US4918802 Method and apparatus for making permanent magnet rotors |
| 04/18/1990 | EP0363405A1 Multiphase synchronous-design electric machine energized by permanent magnets. |
| 04/17/1990 | US4918346 Low ripple-torque permanent magnet brushless motor |
| 04/17/1990 | US4918343 Brushless alternator |
| 04/17/1990 | US4916803 Stator keybar installation using auxiliary plates |
| 04/11/1990 | EP0362812A2 Bonded isotropic R-Fe-B-magnet and method for making it |
| 04/11/1990 | CN1041247A Combined inner-stator iron core |
| 04/10/1990 | US4916346 Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines |
| 04/10/1990 | US4916344 Motor magnet shield retention assembly |
| 04/10/1990 | US4914934 Method of forming an edgewise wound core |
| 04/05/1990 | WO1990003686A1 Brushless motor |
| 04/04/1990 | EP0361775A2 Improvements in or relating to machine drives and/or methods of making the same |
| 04/04/1990 | EP0361670A2 Electromagnetic actuator |
| 04/04/1990 | EP0361154A2 Rotor for a brushless induction motor |
| 04/04/1990 | EP0163747B1 Rotor for synchronous electric motor |
| 04/03/1990 | US4914334 Permanent magnet DC machine |
| 04/03/1990 | US4912833 Method of forming an edgewise wound core and method of operating apparatus |
| 03/29/1990 | DE3920785A1 Horizontal axis electrical machine - has fixing plates supporting vertical carrier plates for stator lamination block |
| 03/28/1990 | EP0360546A2 Permanent magnet field electric motor |
| 03/27/1990 | US4912353 Two-piece motor stator |
| 03/27/1990 | US4912350 Stator core unit for dynamoelectric machine |
| 03/27/1990 | US4912343 Electromagnetic actuator |
| 03/27/1990 | US4910861 Method of manufacturing retention structure for electric motor rotor magnets |
| 03/22/1990 | WO1990003031A1 Recording/reproducing apparatus |
| 03/21/1990 | EP0359641A2 DC motor with U-shaped rotor-coil wire having inclined intermediate portion |
| 03/21/1990 | CN1040713A Underwater nd-fe-b permanent-magnet motor |
| 03/21/1990 | CN1040712A Assembly method of nd-fe-b permanent-magnet electric motor for car |
| 03/21/1990 | CN1007310B Shield type step motor and low speed synchronous motor |
| 03/20/1990 | US4909379 Vibrator conveyor system |
| 03/20/1990 | US4909057 Apparatus and methods for continuously forming edgewise wound cores |
| 03/14/1990 | CN2054589U Neodymium iron boracium non-brush motor for electric bicycle |
| 03/14/1990 | CN2054586U Electric motor for sewing machine |
| 03/13/1990 | US4908537 Pole ventilation of radially ventilated rotors |
| 03/13/1990 | US4908347 Dynamoelectric machine with diamagnetic flux shield |
| 03/08/1990 | WO1990002434A1 Multipole rotor of electric machine |
| 03/08/1990 | WO1990002433A1 Multipole rotor of electric machine |
| 03/07/1990 | CN2054230U Brushless dc motor |
| 03/07/1990 | CN1040291A Armature for electric motor |
| 03/07/1990 | CN1007109B D.c. permanent-magnet motor |
| 03/06/1990 | US4906882 Rotor for an electric motor energized by permanent magnet means |
| 02/28/1990 | EP0355263A2 Motor, in particular for driving a time piece |
| 02/28/1990 | CN2053815U Motor with dual-end structure |
| 02/27/1990 | US4904892 Spindles for a spinning machine with individual drives |
| 02/27/1990 | CA1266295A1 Armature for an electric rotary machine and method of manufacturing the same |
| 02/22/1990 | WO1990001825A1 Structure for fixing radial type rotor to output shaft of synchronous motor |
| 02/22/1990 | WO1990001824A1 Stator support structure with stamped end plates |
| 02/22/1990 | WO1990001779A1 Plastic-bonded magnet |
| 02/21/1990 | CN2053391U Turbogenerator with laminated rotor |
| 02/20/1990 | US4902941 Drive motor for information-storage-disk devices |
| 02/20/1990 | US4902922 Alternator rotor, particularly for motor vehicles |
| 02/20/1990 | US4901428 Method of forming an edgewise wound core |
| 02/14/1990 | EP0354328A2 Axial field motor |
| 02/14/1990 | CN2052981U 绝缘框架 Insulating frame |
| 02/13/1990 | US4900965 Lightweight high power electromotive device |
| 02/13/1990 | US4900964 Pole face slot filler |
| 02/13/1990 | US4900963 D.C. motor |
| 02/13/1990 | US4900956 Closed channel axial vent for radially ventilated generator rotor |
| 02/13/1990 | US4900945 Engine starter |
| 02/13/1990 | US4900636 Metal plate laminated body |
| 02/13/1990 | CA1265836A1 Stator core having waved laminations |
| 02/07/1990 | CN2052588U Combined iron core of internal stator |
| 02/06/1990 | US4899074 Permanent magnet rotary dynamo electric machines |
| 01/31/1990 | EP0353042A1 Axial field electrical generator |
| 01/31/1990 | EP0352573A1 Synchronous machine rotor lamination |
| 01/25/1990 | DE3824308A1 Small electrical machine (miniature electrical machine), especially a small motor |
| 01/24/1990 | EP0351998A1 Multi-piece amortisseur winding end plate |
| 01/23/1990 | US4896066 Laminated rotor slot closer |
| 01/23/1990 | US4896065 Miniature motor |
| 01/23/1990 | US4894905 Method of forming armature core of electric rotating machine |
| 01/23/1990 | US4894904 Method of forming armature core of electric rotating machine |
| 01/17/1990 | CN2051413U Plastic framework inserted type permanent-magnet rotor |
| 01/17/1990 | CN1006512B Cool air allocating device below the positioning sleeve of the turbine generator rotator exciting winding |
| 01/16/1990 | US4894574 Stator support for electric machine |
| 01/16/1990 | US4894573 Rotary electrical machines |
| 01/11/1990 | DE3922123A1 Rotor for an electromagnetic machine |
| 01/10/1990 | EP0349801A2 Dynamoelectric machine with diamagnetic flux shield |
| 01/10/1990 | CN2051027U Semi-slotless electric motor |
| 01/10/1990 | CN2051026U Improved stator structure of brushless dc motor |
| 01/10/1990 | CN1038728A Motor having electronic commutation, especially for driving fluid discharge device, particular in hair-dryer mounted such motor |
| 01/09/1990 | US4893042 Rotor for DC motor |
| 01/09/1990 | US4893040 Dynamo-electric machines |