| Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343) |
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| 01/31/1990 | EP0352323A1 Electric braking and auxiliary acceleration apparatus for automotive vehicles |
| 01/31/1990 | CN1006671B Winding type asynchronous motor and its manufacturing method |
| 01/30/1990 | CA1265180A1 High speed induction motor with a squirrel cage rotor having end rings and non-magnetic spacers |
| 01/24/1990 | CN1006593B Commutating change-pole motor and design method of its coil |
| 01/23/1990 | US4896063 Electromagnetic induction devices with multi-form winding and reflected magnetizing impedance |
| 01/23/1990 | US4895005 Motor terminal box mounted solid state starter |
| 01/17/1990 | EP0351272A1 Electrical motor equipped with modular junction means |
| 01/03/1990 | CN1006346B Improvement on mixed-phase change-pole winding |
| 12/27/1989 | CN2050234U Miniature low-noise three-phase asynchronous motor |
| 12/27/1989 | CN1006265B Method of stepless speed control of a.c. motor and the motors |
| 12/20/1989 | EP0346731A2 Submersible pump |
| 12/14/1989 | WO1989012347A1 Electric motor with iron-cored disk armature |
| 12/13/1989 | CN2049432U Asynchronous motor with external resistance of rotor revolving with shaft |
| 12/12/1989 | US4886991 Asynchronous motor for spinning elements |
| 12/12/1989 | US4886990 Reversing PSC motor design capable of high reversal reptition rate |
| 12/05/1989 | US4885494 Motor and motor device |
| 11/30/1989 | DE3834466C1 Squirrel-cage rotor for an electrical machine |
| 11/29/1989 | EP0343457A2 Electric heteropolar machine rotor that ist premagnetizable by am homopolar magnetic field |
| 11/29/1989 | EP0343456A2 Electric machine having active iron parts premagnetizable through a homopolar magnetic field |
| 11/29/1989 | EP0343313A1 Electric motor of high power and high rotation speed |
| 11/29/1989 | CN2048640U Multi-function motor |
| 11/28/1989 | US4883997 Two pole electric motor constructions with stator winding encircling the rotor and method of assembling same |
| 11/23/1989 | EP0342452A1 One phase induction with a one strand winding |
| 11/23/1989 | DE3902344C1 Electric motor, especially submersible motor |
| 11/22/1989 | CN2048254U Double-winding generator with rapid brake |
| 11/22/1989 | CN2048253U Three-phase a.c. generator and starting binding-line thereof by magnet |
| 11/16/1989 | WO1989011177A1 Single-phase induction motor with single-strand stator winding |
| 11/15/1989 | EP0341317A1 Structure of rotor for high speed induction motor |
| 11/15/1989 | CN2047856U Variable-speed motor having cage rotor |
| 11/15/1989 | CN1037245A Automatic switching three-power motor |
| 11/08/1989 | CN2047463U 电子控制式单相感应电动机 Electronically controlled single-phase induction motor |
| 10/25/1989 | CN1036671A Compensation circuit for electrical generators |
| 10/11/1989 | CN2045911U Super-high slip ratio asynchronous motor rotor |
| 10/10/1989 | US4872256 Process for producing a squirrel-cage rotor |
| 10/03/1989 | US4871934 Induction motor |
| 09/20/1989 | CN2044776U Three-phase ac electrical motor with fraction-type coils |
| 09/19/1989 | US4868438 Three-phase induction motor |
| 09/19/1989 | US4868436 Rotating electric machine with external rotor |
| 09/05/1989 | US4864177 Stator lamination design for two-pole single-phase induction motor |
| 08/30/1989 | CN2043803U Asynchronous motor with double rotors |
| 08/17/1989 | DE3803164A1 Connection and switching device for an electric motor |
| 08/02/1989 | CN1034455A Ac asynchronous stepless speed-regulating motor |
| 08/01/1989 | US4853569 Noise suppression circuit for capacitor motors |
| 07/26/1989 | CN1034292A Asynchronous rectified generator |
| 07/19/1989 | EP0324219A2 Series resonant capacitor motor |
| 07/18/1989 | US4847982 Method of winding a three-phase, one-third pitch motor |
| 07/12/1989 | CN1033912A Three-phase curtain-type asynchronous superconductive motor |
| 06/28/1989 | EP0321646A2 Electric motor of a centrifugal pump |
| 06/28/1989 | CN1033546A Speed regulator for cage phase-shift motor |
| 06/21/1989 | CN2039885U Single phase four pole eight slot micro-motor winding |
| 06/20/1989 | US4841188 Speed changing device for electric fans |
| 06/15/1989 | WO1989005539A1 Driving motor |
| 06/15/1989 | DE3740767A1 Hermetically encapsulated refrigerating compressor |
| 06/07/1989 | CN2039079U Time-saving and material-saving stator of single-phase micromotor bsed on capacitance operation |
| 06/07/1989 | CN2039078U Cross magnetic field motor |
| 06/01/1989 | WO1989005054A1 Structure of rotor for high speed induction motor |
| 05/31/1989 | EP0317650A1 Asynchronous motor |
| 05/30/1989 | US4834624 Pump assembly for delivering liquids and gases |
| 05/17/1989 | EP0315998A2 Asynchronous alternator having a tapped stator winding |
| 05/16/1989 | US4831301 Dynamo-electric machine lamination construction |
| 05/16/1989 | US4831294 Air cooled electromechanical drive apparatus |
| 05/10/1989 | EP0314860A1 Stator and rotor lamination construction for a dynamo-electric machine |
| 05/03/1989 | EP0314613A1 Method for manufacturing a squirrel cage rotor having intermediate short-circuiting ring |
| 05/03/1989 | DE3735734A1 Asynchronous generator |
| 05/03/1989 | CN1032718A Variable speed controllable induction motor |
| 05/03/1989 | CN1032717A Variable speed controllable induction motor |
| 05/02/1989 | US4827097 Continuous transformer and motor |
| 04/26/1989 | EP0313310A2 Variable speed controllable induction motor |
| 04/26/1989 | EP0313309A2 Variable speed controllable induction motor |
| 04/26/1989 | CN2036721U Three-phase asynchronous motor without phase-belt magnetic potential harmonics |
| 04/20/1989 | DE3834790A1 Electric motor, especially for lifts, and a method for fitting the stand on the base |
| 04/12/1989 | CN2035933U Pole-changing winding of asynchronous motor with heavy-load at low speed and light-load at high speed |
| 04/12/1989 | CN2035932U Resistor-capacitor type single-phase asynchronous motor |
| 03/29/1989 | CN2035154U Small-sized motor |
| 03/22/1989 | EP0307664A1 Electric machine with a connector housing |
| 03/22/1989 | CN1031914A Far pole-ratio inverse pole-changeable winding and its design |
| 03/14/1989 | US4812607 Compensation for improved continuous transformer and motor |
| 03/14/1989 | CA1251255A1 Brushless asynchronous alternating current machine controllable by secondary excitation |
| 03/14/1989 | CA1251029A1 Method of manufacturing electromagnetic members |
| 03/08/1989 | EP0305569A1 Electrical machines |
| 03/01/1989 | CN1003482B Method of eliminating the ring-current of multi-speed motor |
| 02/28/1989 | US4808868 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry |
| 02/28/1989 | US4808865 Fault detector for electric motor and control |
| 02/22/1989 | CN2033167U Wound rotor dual-speed three-phase nonsynchronous motor for crane |
| 02/01/1989 | CN1030854A Variable speed controllable induction motor |
| 01/31/1989 | US4801877 Method and apparatus for testing dynamoelectric machine rotors |
| 01/31/1989 | US4801832 Stator and rotor lamination construction for a dynamo-electric machine |
| 01/31/1989 | US4801776 Flux reduction compensation for continuous transformer and motor |
| 01/31/1989 | US4801775 Shading band compensation for continuous transformer and motor |
| 01/26/1989 | EP0290503A4 Electric machine and method of increasing operating efficiency of electric machines. |
| 01/25/1989 | CN2031587U Super high slip ratio motor |
| 01/25/1989 | CN1030674A Improvements in or relating to electrical machines |
| 01/18/1989 | EP0299739A2 Variable speed controllable induction motor |
| 01/18/1989 | CN2031175U Three-phase ac generator and motor |
| 01/18/1989 | CN1030503A Ac stepless variable-speed motor |
| 01/10/1989 | US4796353 Process for producing an electric arbor integrated with an induction motor |
| 01/03/1989 | US4795931 Asymmetrical shaded-pole motor |
| 12/27/1988 | US4794288 Series resonant capacitor motor |
| 12/21/1988 | CN88202908U End structure of high speed cage rotor |
| 12/21/1988 | CN88102119A Winding type asynchronous motor and its manufacturing method |