Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 1 - Arrangements for starting electric motors or dynamo-electric converters
Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872)
12/1998
12/08/1998CA2007427C Motor control circuit
12/02/1998CN2299421Y Single-phase motor soft starter
12/02/1998CN2299420Y 自动切换操作站 Automatic switching operation station
12/02/1998CN1200597A Circuit arrangement and method for operating electric motor
12/02/1998CN1200595A Electric motor series-parallel combination operation type driving system
12/01/1998US5844385 Absolute angle estimation apparatus for a sensorless switched reluctance machine system
12/01/1998US5844343 Auxiliary starting switched reluctance motor
11/1998
11/25/1998EP0880222A1 Circuit arrangement and method for operating an electric motor
11/24/1998US5841264 Method of stepwise voltage control for supplying an induction motor
11/18/1998EP0878901A2 Circuit for controlling the start of a single phase asynchronous motor
11/17/1998US5838591 Temperature control apparatus for motor and information storing medium used therefor
11/17/1998US5838144 Solid state, reduced voltage motor starter enabling equalized input/output volt-amp ratings
11/17/1998US5838135 Driving means formed by induction motor and method for starting the same
11/17/1998US5837879 Methods and apparatus for testing centrifugal start mechanisms
11/11/1998EP0877471A1 A solid state, reduced voltage motor starter
11/11/1998CN1198610A Solid state motor voltage-reducing starter capable of equalizing input/output volt-ampere nominal rating
11/07/1998CA2234949A1 A solid state, reduced voltage motor starter enabling equalized input/output volt-amp ratings
11/04/1998EP0875914A1 Motor starting device and protector module with motor starter cut-out switch
10/1998
10/28/1998CN2296094Y Trigger circuit module for three phase power controller
10/21/1998EP0872949A2 Single-phase synchronous permanent-magnet motor arrangement
10/21/1998EP0872947A1 Method and circuit to limit the inrush current
10/21/1998CN2295295Y Soft starting device for electric tool
10/20/1998US5825147 Control system for a vehicle having a moveable vehicle body member
10/20/1998US5825144 Drive control apparatus for a rotating machine
10/13/1998US5821715 Pulsed alignment commutation state for sensorless motor start
10/08/1998WO1998044615A1 Electronically commutated pole-changing motor
10/07/1998EP0868771A1 Variable reluctance motor systems
10/06/1998US5818195 Dual state controller for brushless electric motors
10/06/1998US5818192 Starting of synchronous machine without rotor position of speed measurement
09/1998
09/30/1998CN1194498A Device and method for braking motor
09/29/1998CA2071542C Multiple-stator induction synchronous motor
09/23/1998EP0766886B1 Method of stepwise voltage control for supplying an induction motor
09/22/1998US5811955 Electro-start motor switch
09/16/1998EP0865152A1 Control unit for refrigerating machine
09/16/1998EP0864197A1 Method of determining the initial rotor position of a synchronous motor
09/16/1998CN1193095A Control device for refrigerator
09/16/1998CN1039799C Hoist machine
09/15/1998US5808389 Apparatus and method for starting a single-phase variable reluctance motor
09/09/1998CN2290952Y Voltage reducing starter
09/09/1998CN2290951Y Resistance sensitive compound voltage reducing starter of pond excavator set
08/1998
08/26/1998CN2289347Y Auxilary starter for dc motor
08/19/1998CN1190821A Two-polar time constant thermal protection for electric power switch unit
08/19/1998CN1039564C Controllable current starter for winding type moter
08/18/1998US5796234 Variable speed motor apparatus and method for forming same from a split capacitor motor
08/18/1998US5796233 Multiple-stator induction synchronous motor
08/12/1998EP0858151A1 Apparatus and method for braking electric motors
08/12/1998CN2287760Y Soft starter of motor
08/06/1998DE19804043A1 Starting circuit with transformer for squirrel cage induction motor
08/06/1998DE19704092A1 Three stage star/delta starter for cage induction motors
08/04/1998US5789897 Component for motor start up circuit
07/1998
07/30/1998WO1998033101A1 Tracking detection of electric control motors with incremental position detection
07/23/1998WO1998032214A1 Electronic starting and operating control system for a single-phase synchronous motor with a permanent magnetic rotor, also in case of failure
07/23/1998DE19701856A1 Elektronische Anlauf und Betriebssteuerung für einen Einphasen-Synchronmotor Electronic starting and operation control for a single phase synchronous motor,
07/22/1998CN2286540Y Startor for single-phase motor
07/22/1998CN2286539Y Instrument for starting test and analysis for electric generator
07/22/1998CN1188340A Winding energy-saving motor and controller for beam-pumping unit
07/15/1998EP0680137B1 Device for controlling rotary machine
07/14/1998US5781385 Method and apparatus for protecting an adjustable impedance element controlling the power supply to an electric motor, in particular in a motor vehicle
07/14/1998US5779450 Refrigerating apparatus having a fluid compressor
07/09/1998WO1998029939A1 Adjustable speed control for children's ride-on vehicle
07/08/1998EP0852084A1 Switching circuit with lockout feature
07/02/1998DE19755368A1 Starting device for electric commutator motor driving electric power tool
07/02/1998DE19702931C1 Anordnung zur Nachlauferfassung von elektrischen Stellmotoren mit inkrementaler Positionserfassung Arrangement for Run-on detection of electric servo motors with incremental position detection
06/1998
06/25/1998DE19650403A1 Run-down revs determination during three=phase motor stopping
06/24/1998CN1038862C Operating mechanism of loom
06/16/1998US5767652 Method and system for supplying optimal power to an inductive-type load
06/10/1998EP0847122A2 Two time constant thermal protection in electrical switching apparatus
06/09/1998US5764006 Motor driving circuit and method for driving two motors
06/02/1998US5760567 Induced voltage reduction method and an induced voltage reduction apparatus for an induction motor
06/02/1998US5760556 Motor controller and protector unit
05/1998
05/29/1998CA2191628A1 Alternator start-up excitation circuit
05/27/1998EP0843912A1 Process and device for operating an asynchronous motor
05/27/1998CN2282749Y Soft starter for ac motor
05/26/1998US5755244 Dishwasher
05/20/1998DE19645225A1 Three-phase motor
05/20/1998CN2282301Y Autotransformer voltage reducing starting multifunctional control cabinet
05/19/1998US5753984 Apparatus and method for starting a single-phase variable reluctance motor
05/14/1998DE19646497A1 Rotation direction recognition for synchronous machine
05/13/1998CN2281613Y Time sharing switch for weak igniting plural A. C. motors
05/13/1998CN2281612Y Automatic electrolyte ignition compensating controller for motor
05/13/1998CN1181650A Intelligent three-phase protective solid relay
05/13/1998CN1038378C Single-phase induction motor, its control method and use in refrigerator
05/12/1998US5751082 High starting torque induction motor
05/06/1998EP0840437A1 Control circuit for two speed motors
05/06/1998EP0840436A1 Control circuit for two speed motors
05/06/1998EP0840435A2 Motor control circuit
05/06/1998CN2281040Y Low-voltage electric combined switch
05/05/1998US5747962 Method and apparatus for increasing the starting torque of a two-phase switched reluctance motor
05/05/1998US5747956 Method of controlling the rpm of a motor
04/1998
04/29/1998CN2280383Y Contacless switch for electric motor
04/29/1998CN2280382Y Multi-protection, energy saving starter for ac motor
04/29/1998CN1180028A Compound power system and device making use of active electric machine speed control
04/28/1998US5744883 Contoured switch lever for centrifugal switch
04/28/1998US5743281 Dishwasher
04/23/1998WO1998016995A1 Operating system for a vacuum pump
04/22/1998CN2279746Y Voltage dropping starter
04/16/1998DE19705672A1 Antrieb für eine Vakuumpumpe Drive for a vacuum pump
04/15/1998CN2279032Y 真空磁力起动器 Vacuum Magnetic Starter
04/08/1998CN1037988C Method and apparatus for starting looms
04/01/1998EP0833436A2 AC motor control for a high speed deep well pump
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