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 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors
Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
10/1996
10/31/1996WO1996033891A1 Multi-functional apparatus employing an intermittent motion mechanism
10/30/1996EP0740409A2 Over drive control apparatus of direct current series motor
10/30/1996CN1134393A Oscillation-damping control of motor torque for mine hoist
10/29/1996USRE35362 Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment
10/29/1996US5569992 DC shunt (or compound) motor and its related circuit with controllable dynamic characteristics
10/24/1996DE19615072A1 Electric motor control and regulation method
10/23/1996EP0739085A2 Compensation for input voltage variation in an electric motor drive
10/23/1996EP0739084A2 Method for control or regulation of an electric motor and arrangement for executing such a method
10/23/1996CN2238506Y Servo amplifier without power supply device
10/22/1996US5568025 Abnormally detecting device for relay
10/22/1996CA1338675C Actuator and communication systems
10/21/1996CA2174467A1 Compensation for input voltage variation in an electric motor drive
10/17/1996DE19513863A1 Electric motor for driving motor vehicle windscreen wipers
10/17/1996DE19510835C1 Method of testing drive circuit for fork-lift truck contg. externally excited DC machine
10/16/1996EP0737607A1 Vehicle windscreen wiper motor control circuit
10/15/1996US5566369 Controlled velocity head parking circuit
10/15/1996US5565760 Electrical propulsion systems for a golf car
10/10/1996DE19513094A1 Reversible DC motor with inherent biodirectional capability
10/09/1996EP0736960A1 Speed regulator for an electric-motor-driven gardening tool
10/09/1996EP0736956A2 Bidirectional DC motor
10/02/1996EP0735666A2 Control circuit for controlling the driving of a dc motor
10/02/1996EP0735665A2 Current control apparatus in DC motor
10/02/1996EP0605438B1 Battery-operated device
09/1996
09/24/1996US5559416 Direct current motor control circuit in positioning systems
09/24/1996US5559414 Control unit of direct-current motor
09/19/1996WO1996028883A1 Circuit for driving an electric motor
09/19/1996DE19509572A1 Driver circuit using compact MOSFET module
09/19/1996DE19509144A1 Electronic circuitry for pulse-width modulator in motor speed control circuit
09/12/1996DE4335522A1 Mutual induction voltage controlled speed regulator with integrated passive voltage supply unit for motor vehicle fan motors up to 30 Amps
09/12/1996DE19608756A1 Electronic control device for automobile throttle valve
09/12/1996DE19508880A1 Schaltung zum Betreiben eines Elektromotors Circuit for operating an electric motor
09/12/1996DE19508168A1 Motor vehicle propulsion motor control method
09/06/1996WO1996027229A1 Method for monitoring and controlling the opening and closing process of electrically powered units
09/05/1996DE19507137A1 Verfahren zur Überwachung und Steuerung des Öffnungs- und Schließvorgangs von elektrisch betriebenen Aggregaten A method for monitoring and controlling the opening and closing process of electrically driven aggregates
09/05/1996DE19506273A1 DC motor speed control circuit for use in motor vehicle
09/04/1996EP0702854A4 Head rail-mounted mini-blind actuator
09/04/1996CN2234662Y Multifunctional dc brushless electric machine
09/03/1996US5552731 Integrated control circuit with a level shifter for switching an electronic switch
09/03/1996US5552689 Servo motor
09/03/1996US5552684 Control apparatus for reversible motor and motor-driven power steering system for motor vehicle using the same
09/03/1996US5552683 Method of controlling a reversible electric device
08/1996
08/28/1996EP0729221A1 Speed control circuit for a dental drive motor
08/28/1996EP0672316B1 Automatic load current back regulation
08/27/1996US5550527 Resistor device for controlling a rotational speed of a motor
08/21/1996EP0727866A1 Variable speed electric motor control device
08/21/1996EP0727062A1 Switched-mode power supply
08/20/1996US5548679 Digital PLL system
08/20/1996US5547296 Method of controlling a printhead carriage velocity of a serial printer
08/14/1996EP0726644A1 Method for operating a DC voltage supplied commutator motor
08/13/1996US5546014 Method and device for setting the short circuit moment in electric motors, particularly in servomotors
08/08/1996DE19603114A1 Electrically-assisted servo-steering for motor vehicle
08/08/1996DE19523209C1 Actuator for motor-driven door, window or roof-panel of motor vehicle
08/07/1996CN1032508C DC divided or compound excitation motor with controllable dynamic property and circuit device thereof
07/1996
07/31/1996CA2168171A1 Oscillation-damping control of motor torque for mine hoist
07/30/1996US5541483 Control system and method for controlling a DC motor or generator
07/24/1996EP0673560B1 Converter
07/23/1996US5539290 Automatic venting system for a vehicle with obstruction detection utilizing dynamically modified thresholds
07/18/1996WO1996021967A1 Pwm speed regulating apparatus for a dc elevator
07/17/1996EP0721693A1 Braking circuit for a universal motor
07/17/1996EP0452497B1 Carriage controller of a printer
07/17/1996CN1126904A Microcomputerized PWM speed regulator for DC elevator
07/16/1996US5537012 DC motor control circuit and DC motor
07/11/1996DE19548077A1 Drive controller for servomotor
07/11/1996DE19500095A1 Switched linear reluctance motor
07/04/1996WO1996020529A1 Controller for dc motor
07/02/1996US5532562 Apparatus for controlling DC motor with H-bridge switching circuit
07/02/1996US5532560 Photosensitive automatic blind controller
06/1996
06/27/1996WO1996019859A1 Overcurrent feed preventing device
06/27/1996DE4444492A1 DC motor PWM speed control method e.g. for motor vehicle
06/26/1996EP0718174A2 Electric power steering apparatus
06/25/1996US5530788 Electric motor drive control apparatus
06/20/1996WO1996019038A1 Rotational speed control device for an electric motor
06/20/1996WO1996018848A1 Control circuit for a fan drive motor
06/20/1996DE4444811A1 Drehzahlsteuervorrichtung für einen Elektromotor Speed ​​control apparatus for an electric motor
06/20/1996DE4444810A1 Steuerschaltung für einen Gebläseantriebsmotor Control circuit for a fan drive motor
06/20/1996DE19524228A1 Motor vehicle brake system with recuperative brake
06/19/1996EP0716782A1 Variable speed motor controller
06/19/1996EP0716781A1 Device for operating a power consumer in a vehicle
06/18/1996US5528721 Direct current motor speed control apparatus
06/18/1996US5528115 Inductive load drive circuit for eliminating back electromotive force caused by a load
06/18/1996US5528114 Apparatus for driving two motors
06/12/1996EP0716492A1 Electric motor control device
06/11/1996US5526460 Impact wrench having speed control circuit
06/11/1996US5524588 Electronic speed governor
06/11/1996US5524541 Method and apparatus for controlling the braking of a printing machine
06/05/1996EP0714568A1 Device for driving a power controlling element of a vehicle driving unit
05/1996
05/30/1996WO1996016467A1 Electric drive
05/30/1996WO1996016466A1 Head rail-mounted mini-blind actuator for vertical blinds and pleated shades
05/28/1996US5521476 CMOS disk drive motor control circuit having back-EMF blocking circuitry
05/28/1996US5521473 Apparatus for driving and controlling power window while prohibiting drive of the motor during an initial period
05/28/1996US5521471 Series (or compound) motor and control circuit for adjusting effective exciting turn ratio of series field winding according to rotational speed or load current
05/21/1996US5519295 Electrically operated actuator having a capacitor storing energy for returning the actuator to a preferred position upon power failure
05/21/1996US5519293 Load driving system
05/21/1996US5519276 DC compound motor having an auxiliary generator which supplies power for shunt field winding excitation
05/21/1996US5519258 System and method for controlling vehicle lift gate window wiper
05/15/1996EP0712007A2 Battery operated electric razor or hair clippers
05/15/1996EP0712001A1 A method and a circuit system for detecting the speed of rotation of a DC motor
05/15/1996DE4440064A1 Circuit arrangement for excitation of electrical loads, such as motor vehicle relays, bulbs and pilot valves
05/15/1996DE19513939A1 Computer control equipment for motor vehicle
05/09/1996DE19512911C1 Circuit for switching electrical load contg. inductive component
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