Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872)
06/1996
06/26/1996EP0718962A1 Method and device for lowering induced voltage of induction motor
06/26/1996CN2230064Y Energy-saving control device for ac asynchronous motor
06/26/1996CN2230063Y Slip regulating frequency and sense rheostat
06/18/1996US5528120 Adjustable electronic potential relay
05/1996
05/28/1996US5521483 Method of determining a residual flux of an inverter-supplied squirrel cage/induction machine
05/23/1996WO1996015580A1 Starter/generator system and method utilizing a low voltage source
05/22/1996EP0713286A2 Method of starting an electric machine
05/22/1996EP0649577B1 Fault-tolerant reluctance motor
05/14/1996US5517102 Fault-tolerant reluctance motor
05/07/1996US5514943 Multi-speed motor control system
05/07/1996US5514942 Circuit arrangement for powering control circuitry and driving an inductive load from a single DC source
05/02/1996DE19539567A1 Reversing washing machine drum motor start=up operation control
05/01/1996EP0519034B1 Circuit for influencing the start-up and/or braking behaviour of three-phase asynchronous motors
04/1996
04/30/1996US5512809 Apparatus and method for starting and controlling a motor
04/10/1996CN2224482Y Electronic startor for electronic motor
03/1996
03/28/1996DE4433581A1 Multi-drive system for mining and tunnelling conveyors
03/26/1996US5502362 Asynchronous machine with a short-circuit rotor
03/19/1996CA2061207C Starting multi-speed motors at a low speed connection
03/14/1996DE4431347A1 Wicklungsumschaltbarer elektromotorischer Antrieb für ein Fahrzeug Wicklungsumschaltbarer electric motor drive for a vehicle
03/14/1996DE19532477A1 Verfahren zum Anlassen einer Asynchronmaschine Method for starting an asynchronous
03/05/1996US5497064 Apparatus for starting a switched reluctance motor
02/1996
02/20/1996US5493201 Starter/generator system and method utilizing a low voltage source
02/14/1996EP0696842A1 Inverter for pumps and a pump unit therewith
02/14/1996EP0696255A1 Process for the electronic control of a people conveyor
02/13/1996US5491398 Repulsion motor
02/08/1996DE4427337A1 Single-phase sync motor e.g. domestic washing machine, dryer of dish washer
01/1996
01/31/1996EP0695020A2 Auxiliary starting switched reluctance motor
01/31/1996CN2218973Y Combined switch for cutter
01/30/1996US5488275 Control circuit for feedback, motor-operated valve
01/18/1996DE4423816A1 AC motor drive supply circuit
01/09/1996US5483139 Motor start, reverse and protection system without a starting capacitor
01/03/1996EP0690556A1 Stop recognizing of inverter controlled motor without speed sensor by restarting
01/02/1996US5481641 Motor control apparatus
01/02/1996US5481171 Method and apparatus for symmetrical current starting of polyphase induction motors
12/1995
12/29/1995EP0733279A4 Repulsion motor
12/28/1995WO1995035594A1 Method of stepwise voltage control for supplying an induction motor
12/28/1995WO1995035532A1 Circuit arrangement for decreasing the energy consumption and for protecting of a variable loaded asynchronous motor
12/28/1995CA2193730A1 Method of stepwise voltage control for supplying an induction motor
12/27/1995CN2216305Y Electric appliance interlocker
12/20/1995CN1113618A Process and device for supplying a polyphase electric motor during startup
12/19/1995US5477115 Apparatus and method for controlling start-up of electrically-powered machines
12/12/1995US5475292 Apparatus for restarting inverter for driving synchronous motor after momentary interruption
11/1995
11/29/1995CN2214049Y Soft starter for a. c. electric motor
11/28/1995US5471123 Control circuit for feedback, motor-operated valve
11/28/1995US5470142 Cabinet for a household appliance
11/15/1995CN2212856Y Soft starting speed regulator for asynchronous motor
11/08/1995EP0681308A2 Circuit arrangement for limiting the switching current of an electrical load
11/08/1995CN2212283Y Automatic or hand-operated multifunction protectice voltage reducing starter
11/07/1995US5463874 Inductively activated control and protection circuit for refrigeration systems
11/02/1995EP0680137A1 Device for controlling rotary machine
11/02/1995EP0680136A1 Soft start of the driving motors of a rotor spinning machine
11/02/1995EP0680129A1 Controlling start-up of electrically-powered equipment such as a compressor
10/1995
10/26/1995WO1995028763A1 Method and device for lowering induced voltage of induction motor
10/24/1995US5461296 Bumpless rotating start
10/24/1995US5461290 for reducing friction in the opening of a closed valve
10/18/1995EP0677918A1 Method and device for supplying power to a polyphase electric motor in the starting phase
10/18/1995EP0677800A2 Electronic control system of washing water pressure
10/05/1995DE4410959A1 Starting method for slip-ring induction motor for crane drive
10/04/1995CN1109655A Slow action circuit of ac electric device
09/1995
09/27/1995CN2208757Y Current compensation and safety device for air conditioner
09/19/1995US5451854 Procedure for reducing the starting current of a squirrel-cage motor, and a squirrel-cage motor unit designed for implementing the procedure
09/19/1995US5451853 Starting device for a single phase induction motor
09/19/1995US5451849 Motorized self-correcting automatic convertible top
09/13/1995CN2207661Y Starter on the shaft of winding 3-phase induction motor
09/07/1995DE4406794A1 Soft-starting induction motors
09/06/1995CN2207027Y Low-voltage remote controllor
09/05/1995US5448442 Motor controller with instantaneous trip protection
09/05/1995US5448149 Indirect rotor position sensor for a sinusoidal synchronous reluctance machine
08/1995
08/30/1995CN2206517Y Automatic coupling decompression starting cabinet for double asynchronous electric motor
08/29/1995US5446360 Method and apparatus for controlling single phase induction motor
08/29/1995US5445017 Motor start examining device and method
08/23/1995CN2206007Y Self-change impedance compensating starter
08/16/1995CN1106736A Servo-gearshift, method and turning means used in die casting machine
08/15/1995US5442272 Current limiting for DC electric motor start-up
08/09/1995EP0666642A1 Apparatus and method for controlling a servomotor
08/09/1995EP0666639A1 Single-phase synchronous machine starting method and device
08/08/1995US5440219 Induction motor speed control having improved sensing of motor operative conditions
08/03/1995DE4431197A1 Soft-starting process for three=phase current or AC machine
08/01/1995US5437432 Hoist machine
07/1995
07/27/1995WO1995020265A1 One switch multi-phase modulator
07/27/1995DE4445530A1 Electronic loom rapid start system
07/27/1995DE4401955A1 Circuitry with series electrolytic capacitors with bias circuit for AC use
07/26/1995EP0664601A1 Pulsed synchronous reluctance motor
07/26/1995EP0663981A1 Revolving door lock.
07/18/1995US5434491 Electronic device for starting a synchronous motor with permanent-magnet rotor
07/18/1995CA2018055C Superconductive voltage stabilizer
07/12/1995EP0662749A1 Torque multiplier method for a asynchronous dual wound motor
07/05/1995EP0364589B1 Device for switching connection of a three-phase induction motor
06/1995
06/28/1995CN2202352Y Overcurrent protecting switch of drum motor
06/27/1995US5428493 Motor starting relay device having PTC thermistors
06/13/1995US5424625 Repulsion motor
06/07/1995CN1103518A Controllable current starter for winding-type motor
05/1995
05/31/1995CN2199637Y Auto-voltage reducing starting controlling cabinet for multiple electric machines
05/26/1995WO1995014326A1 Device for controlling rotary machine
05/24/1995EP0654890A1 Device for driving a single phase synchronous motor, especially for driving a pump in a household appliance
05/24/1995CN2198718Y Forward and backword fast controller single phase asynchronous motor
05/23/1995US5418436 Motor starting method and apparatus
05/17/1995EP0653116A1 A method of determining a residual flux of an inverter-supplied squirrel cage induction machine.
05/16/1995US5416399 On-site electric motor start-up diagnostic tool
05/16/1995US5416398 Method and device for operating a synchronous machine
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 99