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)
06/2003
06/19/2003US20030111291 Electrically operated power steering device
06/18/2003EP1320185A2 Motor control usable with high ripple BEMF feedback signal
06/18/2003EP1320184A2 Linear electric motor controller and system for providing linear speed control
06/18/2003CN1111936C Optical position-measurement device
06/17/2003US6580874 Field current control method in motor
06/17/2003US6580234 Monitoring apparatus
06/13/2003CA2652066A1 Linear electric motor controller and system for providing linear speed control
06/12/2003US20030107341 Motor control usable with high ripple BEMF feedback signal to achieve precision burst mode motor operation
06/11/2003EP1168592B1 Speed regulator for modulating pulse width in direct current motors
06/11/2003EP0850508B1 Control system for separately excited dc motor
06/11/2003CA2413805A1 Motor control usable with high ripple bemf feedback signal to achieve precision burst mode motor operation
06/10/2003US6577024 Electric power steering controller
06/10/2003US6575257 Method for controlling vehicle drive motor
06/05/2003WO2003047083A2 Control device
06/05/2003US20030102841 Energy conversion system
06/05/2003US20030102831 Method for determining the rotational position of the drive shaft of a direct current motor
06/04/2003CN2554868Y Numerically control speed regulation controller
06/04/2003CN2554867Y Electric energy saving controller for beam-pumping unit
06/04/2003CN1421992A Tri-phase induction motor driving system and driving method thereof
06/03/2003US6573676 Drive device and method for moving a vehicle part
06/03/2003CA2396618C Motor control apparatus for a railway switch machine
05/2003
05/30/2003WO2003044935A1 Full wave dc/dc converter
05/28/2003EP1315298A1 System and method for driving three-phase induction motor
05/27/2003US6570358 Control apparatus for alternating-current motor
05/27/2003US6570350 DC motor rotation detecting apparatus and DC motor rotation control apparatus
05/27/2003CA2164609C Head rail-mounted mini-blind actuator
05/22/2003US20030094913 Multiple electronically commutated motor control apparatus and method
05/21/2003EP1072047B1 Drive unit for switching circuit breakers on and off
05/21/2003CN2552252Y All-number dc speed regulator for rotary drill with foreward and backward rotation functions
05/21/2003CN2552251Y Full-digital dc speed regulator for electric shovel
05/15/2003US20030091441 Fan control system using a microcontroller
05/15/2003US20030091344 Drive unit
05/15/2003US20030091343 Apparatus and method for controlling a rotation speed of a motor
05/15/2003US20030090229 DC motor speed control system
05/14/2003EP1310420A2 Electrically operated power steering device
05/14/2003CN1417936A Controller for multiple wound motor
05/14/2003CN1417914A Automatic control protector for motor of pumping unit in intermittent work mode
05/14/2003CA2409586A1 Dc motor speed control system
05/13/2003US6563279 Power window system with control unit for detecting foreign object caught in car window
05/08/2003WO2003038985A2 Current controlled motor amplifier system
05/08/2003US20030085683 Controller for multiplex winding motor
05/07/2003EP1309080A1 Control system for a flow controlled sliding valve
05/06/2003US6559616 Rotational pulse generating circuit for motors
05/06/2003US6559614 Electrical circuit arrangement for controlling an electromotor in a motor vehicle
05/01/2003US20030080710 Current controlled motor amplifier system
05/01/2003US20030080700 Electronic control arrangement
04/2003
04/30/2003CN2548360Y Network-coordinating synchronous array controller
04/30/2003CN1415135A Method for controlling at least one inductive consumer by means for pulse width modulated control signal
04/30/2003CN1414696A Electric machine speed regulation integrated circuit having harmonic wave inhibition and soft starting function
04/29/2003US6556778 Active current-limiting control for dc motor speed regulation
04/24/2003WO2003034582A1 Method for regulating an electric motor and corresponding electric motor
04/24/2003US20030077077 Electrical resonance circuits for high efficiency direct current motors
04/24/2003US20030075989 Circuit arrangement for controlling a load
04/23/2003EP1304794A1 Circuit arrangement to control an electric appliance
04/23/2003EP1304793A2 Power supply for furniture drive
04/22/2003US6552506 Method for determining the position of an element driven by the drive shaft of a direct current motor
04/22/2003US6551065 Fan protection device
04/22/2003CA2374407C Direct current motor safety circuits for fluid delivery systems
04/17/2003US20030071595 Motor control drive circuit
04/16/2003CN1411136A Low power consumption brush D.C. electric machine controller
04/15/2003US6548983 PWM-pulse control system
04/10/2003WO2003030364A2 Control device
04/10/2003WO2002051592A8 Speed controller for flywheel operated hand tool
04/03/2003WO2003028201A1 Reversible dc motor drive including a dc/dc converter and four quadrant dc/dc controller
04/03/2003US20030062861 Combination of resistor and PWM electronic device to control speed of a permanet magnet DC motor
04/02/2003EP1297608A1 Linear actuator control structure
03/2003
03/27/2003WO2003026122A1 Servo controller for dc motor
03/27/2003US20030059211 Combination of resistor and PWM electronic device to control speed of a permanent magnet DC motor
03/27/2003US20030057916 Reversible DC motor drive including a DC/DC converter and four quadrant DC/DC controller
03/26/2003EP1296444A1 Driver device for sliding a panel of a vehicle
03/26/2003EP1295386A1 Drive circuit for a brushless dc motor
03/26/2003CN1405972A Electric motor energy-saving technique
03/20/2003US20030052630 Soft start control method for a motor-driven actuator
03/20/2003US20030052626 Electromotive drive unit
03/19/2003EP1292753A1 Method for determining the rotational position of the drive shaft of a direct current motor
03/19/2003EP1292459A1 Method for determining the position of an element driven by the drive shaft of a direct current motor
03/19/2003EP1082806B1 Method and circuit for power detection in electronically switched electric motors
03/19/2003CN2540701Y Electric saving machine for motor
03/19/2003CN2540425Y Linear speed regulation mechanism for industrial sewing machine
03/18/2003US6534940 Marine macerator pump control module
03/13/2003US20030049023 Method and apparatus for controlling the speed of rotation of a direct current motor for model vehicles
03/13/2003US20030047331 Microprocessor for controlling the speed and frequency of a motor shaft in a power tool
03/13/2003DE20300212U1 Power supply conversion circuit for brushless DC motor, uses smoothing circuit for pulsed DC voltage to reduce zero-voltage ratio in working cycle
03/06/2003US20030042858 Motor driver circuit to operate in limited power environment
03/06/2003US20030042801 Drive apparatus and drive method for electromagnetic drive actuator
03/05/2003EP1289115A1 Drive apparatus and drive method for electromagnetic drive actuator
03/05/2003EP1287610A1 Method for determining the position of an element driven by the drive shaft of a direct current motor
03/05/2003CN2539349Y 电动机管理控制器 Motor Management Controller
03/04/2003US6528962 Control unit and method for controlling motor for use in printer, and storage medium storing control program
03/04/2003US6528916 Brushless motor
02/2003
02/27/2003US20030039473 Active current-limiting control for dc motor speed regulation
02/26/2003EP1286457A1 Servo control method and device for dc motor
02/20/2003US20030034746 Electrohydraulic converter, especially a motor pump module for an electronic driving dynamics control system
02/13/2003WO2003012970A1 Method and apparatus for controlling power supplied to a motor
02/13/2003WO2002086647A3 Arrangement for automatically influencing a mains supply and motor drive for said arrangement
02/13/2003US20030030410 Electric golf car with low-speed regenerative braking
02/13/2003US20030030396 Power supply for DC motors
02/11/2003US6519432 Image forming apparatus
02/11/2003US6518723 H-bridge motor driving circuit
02/06/2003US20030026599 Method and apparatus for controlling power supplied to a motor
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