| Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872) |
|---|
| 08/08/1990 | EP0198317B1 Current-limiting circuit |
| 08/07/1990 | US4947072 Stator winding for two-pole dynamoelectric induction machines |
| 08/01/1990 | CN1044368A Vscf starter/generator systems |
| 07/31/1990 | CA2008842A1 Fault management system for a switched reluctance motor |
| 07/26/1990 | WO1990008423A1 Motor control circuit |
| 07/11/1990 | EP0377328A2 VSCF starter/generator systems |
| 07/04/1990 | EP0376498A1 Motor terminal box mounted solid state starter |
| 07/03/1990 | US4939437 Motor controller |
| 07/01/1990 | CA2005961A1 Vscf starter/generator systems |
| 06/27/1990 | EP0375261A1 Combination motor protector and starter apparatus |
| 06/20/1990 | CN1043233A Starting and speed-adjusting method for winding motor and the apparatus thereof |
| 06/19/1990 | US4935686 Ac motor drive with switched autotransformer coupling |
| 06/14/1990 | WO1990006621A1 Vscf start system with precise voltage control |
| 06/14/1990 | WO1990006620A1 Vscf start system current estimator |
| 05/31/1990 | WO1990006015A1 Vscf start system with a constant acceleration |
| 05/30/1990 | CN1042630A Super-synchronous method of ac self-exciting type for generators and motors |
| 05/09/1990 | EP0367342A1 Control equipment for multi-speed electric motors |
| 05/09/1990 | CN1007949B Wound rotor asynchronous motor started with no brush |
| 05/08/1990 | US4924154 Reversible motor drive control circuit |
| 05/02/1990 | CA2001783A1 Control equipment for multi-speed electric motors |
| 05/01/1990 | CA1268514A1 Electrical drive systems incorporating variable reluctance motors |
| 04/25/1990 | EP0364589A1 Device for switching connection of a three-phase induction motor |
| 04/21/1990 | CA2001051A1 Stator winding for two-pole dynamoelectric induction machines |
| 04/18/1990 | CN1007688B Induction motor control apparatus and method for restart when rotating in shutdown |
| 04/11/1990 | EP0363264A1 Synchronous motor whose sense of rotation can be selected |
| 04/11/1990 | EP0362399A1 Motor output change-over control unit |
| 04/04/1990 | EP0361174A1 Protection method and device for the detection of an asynchronism in the frequency start of a synchronous machine |
| 03/28/1990 | CN2055307U Power-saving device for automatic-switching of electric motors |
| 03/28/1990 | CN2055306U Frequency relay for starting electric motors |
| 03/21/1990 | EP0359227A2 Wiper driving apparatus |
| 03/14/1990 | CN2054591U Electrical control cabinet for motor |
| 03/14/1990 | CN1040465A Voltage type electronic relay |
| 03/07/1990 | CN2054232U Vacuum reversible control cabinet of high voltage motor |
| 02/28/1990 | EP0356310A1 Electronic motor starter |
| 02/28/1990 | CN2053819U Essential safety control circuit arrangement for mining explosion-proof magnetic starter |
| 02/21/1990 | CN1039923A Ptc thermistor device |
| 02/14/1990 | EP0354790A2 Method and apparatus for controlling power generation in internal combustion engines |
| 02/14/1990 | EP0172891B1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit |
| 02/13/1990 | US4901001 Power converter for AC load |
| 01/31/1990 | CN1006671B Winding type asynchronous motor and its manufacturing method |
| 01/25/1990 | DE3924216A1 Liquid control resistance for electric motor - uses electrolyte circulated between electrodes by turbine and governed by flow-restricting slide |
| 01/24/1990 | EP0351821A2 Apparatus for the control of a three-phase a.c. motor, especially a squirrel-cage motor |
| 01/23/1990 | US4896089 Fault management system for a switched reluctance motor |
| 01/23/1990 | US4895005 Motor terminal box mounted solid state starter |
| 01/18/1990 | DE3822587A1 Starting and synchronising device for high-voltage motors |
| 01/17/1990 | CN2051416U Reduction voltage slarter of one compensator driving multimotor |
| 01/17/1990 | CN2051415U Selfcoupling voltage reduction starter for production lossof phase of full power source |
| 01/16/1990 | US4894650 Control unit for manually controlling reversible electromechanical adjusting devices |
| 01/03/1990 | EP0348470A1 Starting system and method using a hybrid permanent magnet/induction machine |
| 12/27/1989 | EP0347703A1 Motor controller |
| 12/27/1989 | EP0347702A1 Motor controller |
| 12/26/1989 | US4890212 Electric apparatus having a start-up control function |
| 12/26/1989 | US4890049 Circuit and winding arrangement for a multiphase electric rotating field machine |
| 12/21/1989 | DE3820267A1 Circuit arrangement for driving a single-phase asynchronous motor |
| 12/19/1989 | US4888813 Electronic speed control interlock |
| 12/12/1989 | CA1263884A1 Control system for reversing the rotation of a field wound motor |
| 12/06/1989 | EP0344370A1 Controlling an alternating current motor particularly at low speeds |
| 12/06/1989 | CN2049047U Compensator starter with full power open-phase protection |
| 11/30/1989 | DE3817988A1 Starting method for heavy-starting machines in underground mining and tunnelling |
| 11/29/1989 | CN2048646U Protector for single phase motor start |
| 11/29/1989 | CN2048645U Starting and regulating device for wound motor |
| 11/29/1989 | CN2048644U Power saving device for starting motor |
| 11/28/1989 | US4884162 Method and apparatus for preventing the overheat of a line feed motor for a printer |
| 11/22/1989 | CN2048262U Stater of auto-decompress with all-source protected open-phase |
| 11/22/1989 | CN2048253U Three-phase a.c. generator and starting binding-line thereof by magnet |
| 11/08/1989 | CN2047466U Star-delta starter capable of acting as failure prevention befor starting motor |
| 11/08/1989 | CN2047463U 电子控制式单相感应电动机 Electronically controlled single-phase induction motor |
| 11/07/1989 | US4879498 DC motor drive system for reducing start-up current |
| 11/02/1989 | DE3813226A1 Motor mit einer selbstregelnden vorrichtung fuer die motorausgangsleistung Motor with a self-regulating device for the engine output |
| 10/11/1989 | EP0335929A1 Starting/generating system |
| 10/10/1989 | US4873478 Method and apparatus for controlling an alternating current motor particularly at low speeds |
| 09/26/1989 | US4869537 Compartment panel pull down mechanism |
| 09/26/1989 | CA1260532A1 Static phase conversion circuits for three-phase motors |
| 09/19/1989 | CA1259654A1 Control system for a power converter driving a synchronous motor |
| 09/13/1989 | EP0332568A1 Operating method and control circuit to monitor the start of electric high-voltage motors using asynchronous starting |
| 08/30/1989 | CN2043806U Mechanical starter for a permenent magnet motor |
| 08/29/1989 | US4862306 Combination motor protector and starter apparatus |
| 08/29/1989 | US4862053 Motor starting circuit |
| 08/24/1989 | WO1989007858A1 Motor output change-over control unit |
| 08/23/1989 | CN2043433U Multifunctional power-saving protector for motor |
| 08/15/1989 | US4857819 Connection of static inverter to a running motor |
| 08/15/1989 | US4857814 Electronic motor controls, laundry machines including such controls and/or methods of operating such controls |
| 08/08/1989 | US4856078 DC fan speed control |
| 08/02/1989 | EP0326333A2 Variable speed ac drive |
| 08/01/1989 | US4853569 Noise suppression circuit for capacitor motors |
| 08/01/1989 | US4853554 Starting device |
| 07/27/1989 | DE3800771A1 Single-phase asynchronous motor |
| 07/19/1989 | EP0324219A2 Series resonant capacitor motor |
| 06/29/1989 | WO1989006065A1 Device for switching connection of a three-phase induction motor |
| 06/27/1989 | US4843295 Method and apparatus for starting single phase motors |
| 06/27/1989 | CA1256488A1 Brushless exciter for controlling excitation of a synchronous machine |
| 06/21/1989 | EP0320737A2 Slow start power supply |
| 06/14/1989 | CN2039478U Control box for double-speed motor |
| 06/07/1989 | EP0319404A1 Electronic start circuit for an asynchronous motor |
| 06/07/1989 | CN2039084U One-way start controlling box of a three-phase ac motor |
| 05/24/1989 | DE3738341A1 Stromversorgungsschaltung fuer einen motor A power supply circuit for an engine |
| 05/23/1989 | US4833628 Up to speed detector for an electric motor using measured values of the current lag; and voltage ramp controller using the up to speed indication |
| 05/23/1989 | CA1254635A1 Switching control apparatus for vending machine alternating current device switching |
| 05/17/1989 | CN2037898U Short-circuit device for series jr and jr2 motors |
| 05/17/1989 | CN2037897U Automatic controller for high-power motor |