Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872) |
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12/16/1992 | CN2125209U Device for starting big electric motor |
12/15/1992 | US5172037 Switching circuit for dc motor |
12/10/1992 | DE4119007A1 Current limit circuit for electric motor pref. controlled by switching transistor - has at least one barrier resistance connected in series with motor winding to limit current to value compatible with transistor |
12/09/1992 | EP0517393A2 Method for determining the direction of starting rotation of a polyphase DC brushless motor and driver system therefor |
12/09/1992 | CN2124527U Antiscintillating power-saving autocontrolling cabinet for secondary starting of motor |
12/02/1992 | CN2123837U Non energy-saving domestic refrigerator power saving device |
12/02/1992 | CN2123836U Closed circuit converting star-threeangle stator |
11/25/1992 | CN2123141U Hand starter for single-phase motors |
11/25/1992 | CN2123140U Electric control cabinet for flannelette knitting machine |
11/25/1992 | CN2123139U Numeric-control starting rare-earth permanent-magnet machine |
11/24/1992 | CA1310688C Operational method and control switching apparatus for monitoring the starting-cycle circuit of electric high-voltage motors with asynchronous start-up |
11/18/1992 | CN2122450U Contactless computerized starter for motor |
11/17/1992 | US5164651 Starting-current limiting device for single-phase induction motors used in household electrical equipment |
11/11/1992 | CN2121771U Starting economizer of a.c. nonsynchronous motor |
11/10/1992 | US5162718 Starting device and circuit for starting single phase motors |
11/10/1992 | US5162717 Loom operating apparatus and method |
11/04/1992 | EP0511796A1 Synchronous motor with two permanent magnet rotor portions |
10/28/1992 | EP0510106A1 Improved motor controller having a control loop for neutralizing rotor leakage and magnetizing reactances |
10/21/1992 | CN1065563A Starting and speed-regulating device for wound ac motor |
10/21/1992 | CN1065560A Distribution equipment for beam-pumping unit |
10/20/1992 | US5156868 With a trough in which at least one rotor driven by an elctric motor is arranged |
10/14/1992 | EP0507835A1 A method and an arrangement for starting an electrical machine having varying reluctance. |
10/07/1992 | EP0506985A1 Blocking diagnosis method and realization device for this method |
10/07/1992 | CN1018596B Wound-rotor asynchronous motor |
09/30/1992 | CN2117662U Energy saving protector of motor |
09/29/1992 | US5151642 Apparatus for controlling an electric motor |
09/16/1992 | CN1064575A Ac motor drive system |
09/10/1992 | DE4107362A1 Surge-free switching-on of inverter to 3 phase asynchronous machine - using current desired value-current actual value comparison across search current regulator |
09/09/1992 | CN2115614U Contactless switch source computer controller |
09/09/1992 | CN1064378A Ac motor drive system |
09/09/1992 | CN1064377A Brushless eddy starter for wound induction motor |
09/08/1992 | US5146147 Ac motor drive system |
09/02/1992 | EP0501634A2 AC motor drive system |
08/26/1992 | EP0499989A2 Procedure for reducing the starting current of a squirrelcage motor, and a squirrelcage motor unit designed for implementing the procedure |
08/26/1992 | CN2114239U Pressure-relief starter for electric motors |
08/25/1992 | US5142214 Synchronous motor having selectable rotation direction |
08/25/1992 | US5142213 Wye-delta open transition motor starter with leading phase monitor and method of use |
08/19/1992 | EP0499470A2 AC motor drive system |
08/19/1992 | CN2113569U Winding type ac motor centrifugal switch frequency-sensitive starter |
08/19/1992 | CN2113568U Starting cabinet for motor |
08/18/1992 | US5140247 Control system for polyphase induction machines |
08/18/1992 | US5140246 High performance high speed starter for an x-ray tube rotor |
08/12/1992 | CN2112908U Single phase motor safety starting switch |
08/12/1992 | CN2112907U Frequency sensity self-removing resistance changing device |
08/04/1992 | US5136216 Ac motor drive system |
07/23/1992 | WO1992012570A1 Circuit for influencing the start-up and/or braking behaviour of three-phase asynchronous motors |
07/23/1992 | DE4101341A1 Frequency transverter for operating polyphase induction motor - with control electronics to set operating frequency and voltage according to ideal motor speed |
07/22/1992 | CN2110958U Intelligent motor monitor unit |
07/22/1992 | CN2110957U Changeable reactance starter with overload phase interruption protection of motor |
07/22/1992 | CN2110956U Multi-tube slitting type frequency sensitive varistor |
07/15/1992 | CN2110318U D. c. power motor starter |
07/08/1992 | EP0406400A4 Motor control circuit |
07/07/1992 | CA1304776C Control device of deep-sea electric motor |
07/01/1992 | EP0493322A1 Assembly for driving a motor for blinds and similar in both directions of rotation |
07/01/1992 | CN2109020U Energy saving starter |
06/23/1992 | US5124604 Disk drive motor |
06/10/1992 | CN1017016B Multifunction autocoupling pressure reduction starting controller |
06/09/1992 | CA1303122C Electronic motor starter |
06/09/1992 | CA1303120C Method and apparatus for controlling an alternating current motor particularly at low speeds |
06/02/1992 | CA1302483C Current control for microprocessor motor drive |
05/27/1992 | CN2105802U Starter for large power machine group |
05/26/1992 | CA1301542C Electric starter for igniter cord |
05/05/1992 | US5111057 Starter of an engine |
04/28/1992 | CA1299639C Protection method and protection device for detecting asynchronism in thesynchronous starting of a synchronous machine |
04/15/1992 | CN2101972U Energy and electricity saving controller for refrigerator |
04/15/1992 | CN2101971U Electronic starter for refrigerator |
04/15/1992 | CN2101970U Gear protector |
04/15/1992 | CN2101969U Smoothing staring device of triphase asynchronous motor |
04/07/1992 | US5103154 Start winding switch protection circuit |
04/07/1992 | US5103153 Control equipment for multi-speed electric motors |
04/07/1992 | US5103152 Drive control circuit for sensorless type three-phase half-wave motor |
04/01/1992 | CN2100709U Starter of brushless wound-rotor induction motor |
03/17/1992 | CA1297527C Motor controller |
03/11/1992 | EP0474006A2 Method and device for the operation of a conche |
03/11/1992 | CN2098758U Voltage-reducing autostarter with internal compensation of power factor |
03/04/1992 | CN2098121U Starting and speed regulator of wrapping asynchronous motor |
02/26/1992 | CN2097473U Compound starter of motor with step-up voltage autoformer |
02/26/1992 | CN1059057A Initiator of motor programmable controller |
02/18/1992 | US5089761 Motor control system |
02/05/1992 | EP0469177A1 Method and device for restarting an induction motor |
02/04/1992 | US5086260 Wiper apparatus with reversing motor protected from overload |
01/29/1992 | EP0468557A2 Anti-lock brake control with motor current control |
01/29/1992 | CN1058308A Multi-machine shared auto-transformer voltage drop starting complex control method |
01/22/1992 | EP0467517A1 Dual-stator induction synchronous motor |
01/22/1992 | CN2094152U Automatic voltage-reducing and starting contactless flame-proof starter |
01/16/1992 | DE4033737A1 Starting and operating circuit for single phase electromotor - includes first capacitor for starting only and second capacitor with another capacitance only for motor running |
01/09/1992 | DE4020291A1 Spinning spindle start=up - uses mobile unit to bring spindle rotation to operating speed independently of the spinning machine control |
01/01/1992 | CN1057554A Multiple-cage multipole three-phase a.c motor and its starting method |
12/31/1991 | US5077823 Electric motor starting circuit |
12/30/1991 | CA2020205A1 Reversing motor controller |
12/18/1991 | CN2091042U Auxiliary electronic apparatus for controlling circuit of motor |
12/18/1991 | CN2091041U Light-load energy-saving y-delta auto-transformation starter |
12/10/1991 | US5071199 Antilock brake system with motor current control |
12/04/1991 | CN1015035B Ptc thermistor device |
12/03/1991 | US5070291 Connection switching apparatus for three-phase induction motor |
11/28/1991 | WO1991015053A3 Electronic switch supply unit |
11/28/1991 | DE4115154A1 Run=up circuit for single phase induction motor - using controlled switch element in auxiliary winding current circuit |
11/27/1991 | CA2043208A1 Dual-stator induction synchronous motor |
11/26/1991 | US5068500 Wiper driving apparatus |
11/26/1991 | CA1292505C Slow start power supply |