Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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09/24/2002 | US6456028 Pulse generating circuit for driving DC motor |
09/24/2002 | US6456022 Movable barrier operator |
09/19/2002 | US20020130579 DC motor and method of controlling the same |
09/18/2002 | CN2512160Y Controller for speed-adjusting three-phase D.C. brushless permanent-magnet electric motor |
09/12/2002 | WO2002071593A1 Circuit arrangement for supplying a direct current machine |
09/12/2002 | US20020128808 Method and apparatus for characterization of voice-coil motor with eddy current effect |
09/12/2002 | US20020125847 Method and device for controlling DC servomotor for driving rotating load |
09/11/2002 | CN1090837C Reduction operation for multi-winding induction motor after fault of converter |
09/11/2002 | CN1090836C Controller for DC electrical motor and controlling method for DC motor |
09/05/2002 | US20020122662 Constant speed control circuit for a fan |
09/04/2002 | CN1367575A Control device and output method of action parameter of control device |
08/29/2002 | US20020118497 Reverse voltage protection for motor drive |
08/29/2002 | US20020118496 Active snubber circuit for electrical rotary actuator |
08/28/2002 | EP1235341A2 Active snubber circuit for electrical rotary actuator |
08/27/2002 | US6439336 Electric power steering apparatus |
08/26/2002 | CA2347233A1 Active snubber circuit for electrical rotary actuator |
08/21/2002 | EP1232573A1 Circuit and method for preventing erroneous opening and closing in an automatically/manually foldable portable radio phone |
08/21/2002 | CN1365184A Motor control system |
08/15/2002 | US20020109478 Fan motor with variable frequency/constant speed control |
08/15/2002 | US20020108474 Speed controller for flywheel operated hand tool |
08/14/2002 | DE10105207A1 Verfahren und Vorrichtung zur Drehzahlregelung eines Gleichstrommotors für Modellfahrzeuge Method and apparatus for speed control of a DC motor for model cars |
08/14/2002 | CN2506020Y Best operation frequency and input voltage obtaining device of high efficiency air conditioner |
08/13/2002 | US6433507 Spread spectrum motor control circuit |
08/13/2002 | US6433496 Semiconductor integrated circuit for motor control |
08/08/2002 | WO2002050618A3 Microturbine/capacitor power distribution system |
08/07/2002 | CN2504824Y Control circuit for radiating system |
07/31/2002 | EP1227212A2 Drive assembly for a covering of an architectural opening |
07/31/2002 | EP1226996A2 Motor controller for battery forklift |
07/31/2002 | EP1226647A2 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal |
07/31/2002 | CN1361322A Drive mechanism of fully automatic washing machine |
07/25/2002 | US20020097021 Starting device and method for eliminating a peak current |
07/25/2002 | US20020097019 Motor controller for battery forklift |
07/25/2002 | CA2365153A1 Motor controller for battery forklift |
07/24/2002 | EP1144213B1 Method and device for operating an actuating drive of a motor vehicle with different vehicle electric system voltages |
07/18/2002 | US20020093303 Motor control system |
07/17/2002 | CN1359192A 记录装置 Recording device |
07/11/2002 | US20020091469 Flexible and compact motor control module based on the can communication network |
07/11/2002 | DE10100716A1 Operating method for ohmic-inductive component for a car circuit application |
07/10/2002 | CN1087519C Variable speed control switch for direct current electric power tools |
07/10/2002 | CN1087517C Direct current motor with imbalanced winding for closed-loop feedback control |
07/10/2002 | CN1087481C Apparatus and method for controlling electric motor |
07/09/2002 | US6417637 Movable barrier operator |
07/04/2002 | WO2002051592A1 Speed controller for flywheel operated hand tool |
07/04/2002 | WO2002051591A1 Control module for flywheel operated hand tool |
07/04/2002 | US20020085837 Shunt automatically controlled output circuit incorporating stored voltage or counter electro motive force loading |
07/04/2002 | DE10161581A1 Flexibles und kompaktes Motorsteuerungsmodul basierend auf dem CAN-Kommunikationsnetzwerk Flexible and compact motor control module based on the CAN communication network |
07/04/2002 | CA2432982A1 Speed controller for flywheel operated hand tool |
07/04/2002 | CA2432980A1 Control module for flywheel operated hand tool |
07/03/2002 | EP1219016A1 Direct current motor control circuit |
07/03/2002 | EP1219014A1 Minimization of motor torque ripple due to unbalanced conditions |
07/03/2002 | CN2498794Y 多功能电风扇控制器 Multifunctional Fan Controller |
06/27/2002 | WO2002050618A2 Microturbine/capacitor power distribution system |
06/26/2002 | EP1216526A1 Reduction of emi through switching frequency dithering |
06/20/2002 | WO2002049202A1 Servo control method and device for dc motor |
06/20/2002 | DE10062918A1 Busgesteuerter Stellantrieb Busgesteuerter actuator |
06/19/2002 | EP1215797A2 Shunt automatically controlled output circuit incorporating stored voltage or counter electromotive force loading |
06/19/2002 | EP1215061A2 Bus commanded actuator |
06/19/2002 | EP1214602A1 Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type |
06/18/2002 | EP0878052A3 Low-voltage generation in mains-powered hot-air appliances having a fan motor |
06/13/2002 | US20020071225 Direct current motor safety circuits for fluid delivery systems |
06/13/2002 | US20020070556 Energy conversion system |
06/13/2002 | DE19942004C2 Drehzahlregelung an einem Elektrokleinstmotor für zahnärztliche Zwecke Speed control of a miniature electric motor for use in dentistry |
06/12/2002 | CN1353500A Control device and setting method of action parameters |
06/11/2002 | US6404150 Accessory motor drive power supply system for an electric vehicle |
06/06/2002 | US20020067147 Automatic reverse motor controller |
06/06/2002 | US20020067084 Electric motor controlled as an electroacoustic transducer |
06/06/2002 | DE10059680A1 Starting device for use in internal combustion engines has an electric starter motor with a rotor supplied with current by means of brushes sliding on a commutator |
06/04/2002 | US6397971 Electrically powered steering system |
05/30/2002 | WO2002043236A2 Bypass circuit for use in dc brush motor control |
05/30/2002 | US20020063546 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
05/30/2002 | CA2430195A1 Bypass circuit for use in dc brush motor control |
05/29/2002 | EP1208639A1 Method for providing a digital current fluctuation signal |
05/29/2002 | EP1208638A1 Method for detecting the rotational position of the drive shaft of a dc motor |
05/29/2002 | EP1208637A1 Method for determining the rotational position of the drive shaft of a direct current motor |
05/29/2002 | DE10054528A1 Schaltungsanordnung eines zwei Anschlüsse aufweisenden Elektromotors Circuit arrangement of a two-terminal electric motor |
05/29/2002 | CN1350928A Method for control of sheet transfer and method for control of recorder |
05/23/2002 | US20020060106 System for controlling electric power steering |
05/23/2002 | DE10128749A1 Electric power steering controller for vehicle, has transistors that are turned on before relay is driven to turn on contacts of relay |
05/23/2002 | DE10108946A1 Electric motor control method e.g. for windows or roof in motor vehicle, using transistor to separate voltage source from switching contacts at switch-off point or shortly before |
05/21/2002 | US6392373 Automatic reverse motor controller |
05/21/2002 | US6390064 Electronic throttle valve control apparatus |
05/16/2002 | US20020057015 Electric power steering controller |
05/16/2002 | DE10053688A1 Kontaktscheibensystem und Verfahren zum Steuern eines Scheibenwischermotors Contact disc system and method for controlling a windscreen wiper motor |
05/15/2002 | EP1205023A1 Electric motor controlled by an electro-acoustic converter |
05/15/2002 | EP0975829B1 Drive unit for a shaft of a device working in synchrony with the shanks of a mechanical loom to form a leno selvage |
05/10/2002 | WO2002037662A1 Circuit arrangement of an electromotor comprising two terminals |
05/10/2002 | WO2002037646A1 Closed loop clutch/brake control |
05/08/2002 | EP0950280A4 Adjustable speed control for children's ride-on vehicle |
05/08/2002 | EP0929818B1 Electrical circuit to detect load current |
05/07/2002 | US6384555 DC motor driving apparatus |
05/02/2002 | WO2002034587A1 Contact washer system and method for controlling a windscreen wiper motor |
05/02/2002 | WO2000070738A3 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal |
05/02/2002 | US20020051028 Control method for sheet member conveying apparatus and control method for recording apparatus |
05/02/2002 | US20020051026 Recording apparatus |
05/02/2002 | US20020050803 PWM-pulse control system |
05/02/2002 | EP1201581A2 Control method for sheet member conveying apparatus and control method for recording apparatus |
05/02/2002 | EP1201446A2 Recording apparatus |
04/30/2002 | US6381528 Control unit for electric power steering apparatus |
04/30/2002 | US6381406 Adaptive synchronous DC fan speed controller |
04/30/2002 | US6380704 Fan linear speed controller |