Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343) |
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01/07/1999 | EP0655175B1 Process for operating permanently excited single-phase alternating current machines |
12/30/1998 | CN1203476A Transverse radiation electric machine |
12/23/1998 | CN1202756A Variable magnetic flux ac stepless speed changing motor |
12/22/1998 | US5852338 Dynamoelectric machine and method for manufacturing same |
12/02/1998 | CN2299418Y 1100W capacitor starting asynchronous motor having its base measurement reduced |
11/25/1998 | EP0880216A1 Induction motor and its rotor |
11/25/1998 | CN1199949A Stepless speed-regulating motor with AC inductor |
11/17/1998 | US5838135 Driving means formed by induction motor and method for starting the same |
11/11/1998 | EP0876702A1 Integrated magnetic levitation and rotation system |
11/11/1998 | EP0729663A4 Open stator axial flux electric motor |
11/04/1998 | CN1198036A Motor with control device |
10/20/1998 | US5825111 Electric motor system |
10/14/1998 | EP0637867B1 Cage rotor of induction motor |
10/06/1998 | US5818187 Motor and control for windshield wiper system |
10/06/1998 | US5818141 Squirrel cage type electric motor rotor assembly |
10/06/1998 | US5818137 Integrated magnetic levitation and rotation system |
09/29/1998 | CA2071542C Multiple-stator induction synchronous motor |
09/23/1998 | EP0865147B1 Electric fan |
09/23/1998 | CN2292349Y Explosion-proof single-phase double-value capacitor asynchronous motor |
09/16/1998 | EP0865147A1 Electric fan |
09/16/1998 | CN2291744Y Brushless induction AC single-phase generator |
09/15/1998 | US5808450 Special alternator assembly with an inherent ballast impedance characteristic for lighting systems |
09/15/1998 | US5808391 Induction motor |
09/09/1998 | CN1192604A Energy-saving asynchronous motor for oil field oil-pumping machine |
09/09/1998 | CN1192602A Winding for pulsation loading and energy saving asynchronous motor |
09/01/1998 | US5801473 Open stator axial flux electric motor |
09/01/1998 | US5801470 Rotors with retaining cylinders and reduced harmonic field effect losses |
08/27/1998 | WO1998029934A3 Electric motor |
08/26/1998 | CN1191409A 鼠笼式转子异步电机 Squirrel-cage rotor induction motor |
08/25/1998 | US5798593 Induction motor |
08/25/1998 | US5797718 Fan unit generating gas streams |
08/19/1998 | EP0859450A2 Rotating electrical machine |
08/19/1998 | CN2288544Y Flame-proof type single-phase capacitive starting asynchronous motor |
08/18/1998 | US5796233 Multiple-stator induction synchronous motor |
08/13/1998 | WO1998035424A1 Electric motor with an upstream frequency converter |
08/13/1998 | WO1998035423A1 The use of a toroidal winding in an electric polyphase machine |
08/12/1998 | EP0858148A1 Arrangement for disconnection of the rheostat starting means of a slip-ring asynchronous motor, and motor provided with such an arrangement |
08/11/1998 | US5793145 Induction motor |
08/11/1998 | US5793142 Solid rotor assembly |
08/11/1998 | US5793131 Systems and apparatus for controlling energization of electric motor windings, and methods of assembling motors |
08/06/1998 | WO1998034315A1 Series compensation of electric alternating current machines |
08/06/1998 | DE19704226A1 Elektromotor mit vorgeschaltetem Frequenzumrichter Electric motor with a frequency converter |
08/06/1998 | CA2278631A1 Series compensation of electric alternating current machines |
07/30/1998 | DE19704652C1 Anwendung einer Ringwicklung in elektrischen Drehfeldmaschinen Application of a toroidal winding in electrical induction machines |
07/29/1998 | EP0797861A4 Polyphase induction motor having a ferromagnetic rotor plate |
07/22/1998 | CN1188340A Winding energy-saving motor and controller for beam-pumping unit |
07/14/1998 | US5780951 Low-cost bobbin-wound stator construction for small, single-phase AC motors |
07/09/1998 | WO1998029934A2 Electric motor |
07/07/1998 | US5777421 Disc-type electrical machine |
07/01/1998 | EP0851557A2 Squirrel-cage induction motor |
07/01/1998 | CN1038969C Three-phase ac asynchronous motor allowing loss-of-phase running |
06/30/1998 | US5773909 X-ray tube target drive rotor |
06/25/1998 | DE19652186A1 Elektrischer Motor Electric Motor |
06/24/1998 | EP0849868A1 Eddy current device |
06/17/1998 | CN1038800C Connection of superposition method for rotor winding of synchro-motor |
06/16/1998 | CA2133636C Remote motor switch and capacitor assembly |
06/10/1998 | CN2283944Y Single-phase and three-phase universal asynchronous motor |
06/10/1998 | CN1184368A Squirrel-cage rotor with double skewed slots |
06/09/1998 | US5763975 Axial-flow induction motor |
06/03/1998 | EP0845170A1 Interlaced conductor/back-iron secondary for induction motors |
06/02/1998 | US5760567 Induced voltage reduction method and an induced voltage reduction apparatus for an induction motor |
06/02/1998 | US5758709 Method of fabricating a rotor for an electric motor |
05/28/1998 | DE19750915A1 Control device for washing machine has electromagnetic programming unit |
05/27/1998 | CN1182970A Rotor of squirrel-cage induction motor and making method |
05/20/1998 | DE19645225A1 Three-phase motor |
05/20/1998 | CN2282298Y Three phase ac voltage regulating asychronous motor |
05/13/1998 | EP0841745A1 Three phase induction motor supply circuit using a single phase power supply |
05/12/1998 | US5751082 High starting torque induction motor |
05/07/1998 | WO1998013926A3 Vehicle with electronic driving engine |
05/06/1998 | EP0840436A1 Control circuit for two speed motors |
04/28/1998 | CA2118035C Squirrel-cage rotor for an electrical motor |
04/22/1998 | CN2279740Y Three-phase asynchronous compound motor |
04/16/1998 | WO1998015839A1 Analysis of harmonics |
04/16/1998 | DE19642098A1 Drive for oil-tight vacuum pump esp rotary disc vacuum pump |
04/15/1998 | CN1179026A Speed regulating motor |
04/02/1998 | WO1998013926A2 Vehicle with electronic driving engine |
04/01/1998 | CN2277597Y AC induction motor |
03/31/1998 | US5734217 Induction machine using ferromagnetic conducting material in rotor |
03/26/1998 | WO1998012795A1 Ac energy converter and drive device therefor |
03/25/1998 | EP0831574A1 Fixing bracket for condensator |
03/24/1998 | US5729885 Method for rotor construction for alternating induction motor |
03/17/1998 | US5729071 Low cost multi-pole motor constructions and methods of manufacture |
03/05/1998 | WO1998009365A1 Induction machine using ferromagnetic conducting rotor |
03/04/1998 | EP0826260A1 Low cost twin bobbin motors and methods for making same |
03/04/1998 | CN2275771Y Single-phase capacitor running electric machine |
03/03/1998 | US5723928 Induction motor and method of adjusting power factor of the same |
02/26/1998 | DE19633217C1 Asynchronous squirrel-cage motor esp external rotor motor with bar rotor winding |
02/17/1998 | US5719457 Squirrel-cage rotor for an asynchronous machine |
02/04/1998 | CN1172556A Low cost twin bobbin motors and methods for making same |
01/28/1998 | EP0821467A1 Control method for a dual powered induction machine and machine using this method |
01/21/1998 | EP0819337A1 Improvements in or relating to levitation systems |
01/15/1998 | WO1998001935A1 Rotor for an asynchronous motor, method for producing said rotor, and an asynchronous motor |
01/14/1998 | CN2272628Y Far polar ratio four-speed single armature motor for lifting mechanism |
01/08/1998 | WO1998000849A1 Capacitor for mounting to an electric motor |
12/31/1997 | CN2271773Y Miniature single-phase asynchronous capacitor operating motor |
12/23/1997 | CA2091126C Electroconductive article, method of producing same, and motor produced from the article |
12/17/1997 | EP0813286A2 Connector for electromotor |
12/16/1997 | US5698912 Brushless motor with torque and speed proportional coolant flow |
12/10/1997 | EP0812053A1 Variable-reactance immersed asynchronous motor, particularly adapted for hydraulic elevators and hoists |
12/10/1997 | CN1167356A Rotor of induction motor |