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