Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
04/2009
04/29/2009CN201230296Y Stirrer
04/29/2009CN101420199A Remote control speed regulating device for DC motor
04/28/2009US7525271 Motor driving circuit having low current consumption under a standby mode
04/28/2009US7525270 Motor control apparatus
04/28/2009US7525269 Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system
04/23/2009WO2009052165A2 Bus disturbance regulator
04/23/2009WO2009051235A1 Motor drive circuit and semiconductor integrated circuit device using the same
04/23/2009WO2008138600A3 Rotor blade adjustment device for a wind turbine
04/23/2009WO2008036089A3 Power generation system
04/23/2009US20090102407 Power tool, drive assembly, and method of operating the same
04/23/2009DE102008040922A1 Verfahren und Vorrichtung zur Ansteuerung eines Elektromotors Method and apparatus for driving an electric motor
04/23/2009CA2702641A1 Bus disturbance regulator
04/22/2009EP2050174A2 Overload prevention device for permanent magnet dc motors
04/22/2009EP1941610B1 Actuator for automotive climatization units
04/22/2009EP1264383A4 Ac/dc chopper for power tool
04/22/2009CN100481707C Method and system for limiting the current output by a limit speed controller
04/22/2009CN100481706C Device for controlling an electric motor, especially in motor vehicles
04/21/2009US7521881 Constant speed barrier operator
04/16/2009WO2009046673A1 Torque management method for hybrid electric motor
04/16/2009WO2007139570A3 Trash can with power operated lid
04/16/2009US20090097830 Motor drive device provided with disturbance load torque observer
04/15/2009EP1110288B1 Drive device and method for moving a vehicle part
04/15/2009CN101409529A Motor drive device provided with disturbance load torque observer
04/15/2009CN100479322C Operator device of an electric power tool and operating device module system
04/15/2009CN100479293C Cordless power tool with a protected weak link element
04/14/2009US7518331 AC rotating electric machine control method and electrical power train system
04/09/2009US20090091282 Electric motor control
04/09/2009US20090091275 Adaptive drive system using current values for a personal care appliance
04/08/2009EP2045909A2 Hand tool
04/08/2009EP2044683A1 Control for electrically adjustable furniture
04/08/2009EP2044682A2 Circuit arrangement for measuring the current consumption of a pulse-width modulation-controlled direct-current motor
04/08/2009EP2044681A2 Supply circuit for a motor disposing of an element providing for power switching, a protection against polarity inversion and an element for limiting the inrush current of a capacitive element
04/08/2009CN100477482C Method for operating an electromechanical brake actuator, in particular for aircraft
04/08/2009CN100476563C Actuator drive circuit for shutter and actuator for shutter
04/07/2009US7514890 Surgical machine and method for controlling and/or regulating a surgical machine
04/07/2009US7514889 Steering controlling device
04/07/2009US7514806 Engine start system with quadrature AC excitation
04/02/2009WO2009041888A1 Method and device for creating a stream of air for removing residue particles formed in connection with cutting, grinding and/or polishing of a stone or stone-like material
04/02/2009US20090085446 Switching device, generator-motor apparatus using switching device, drive system including generator-motor apparatus, and computer-readable recording medium on which a program for directing computer to perform control of generator-motor apparatus is recorded
04/02/2009DE19831458B4 Elektrischer Schalter, insbesondere für ein Akku-Elektrowerkzeug Electric switch, in particular for a cordless power tool
04/02/2009DE102007044143A1 Electric consumer load i.e. ventilation fan motor of ventilation system for motor vehicle, controlling device, has temperature sensor coupled with drain-connection element of housing of metal oxide semiconductor power transistor
03/2009
03/26/2009WO2009016468A3 Pump control apparatus and brake control system
03/26/2009WO2009007175A3 Electric motor commutator and method for driving an electric motor commutator
03/26/2009US20090079375 Motor controller and electric power steering apparatus
03/25/2009EP2040369A2 Load drive control circuit
03/25/2009CN101394147A DC motor speed control device and method
03/25/2009CN101394146A Parameter recognition system and method for DC electric motor speed control object
03/25/2009CN101393425A Parameter regulation system and method for controlling DC generator speed by PID
03/25/2009CN100472930C Inverter device
03/24/2009US7508150 Electric motor controller
03/24/2009US7508149 Oil pump systems and methods for preventing torque overload in motors of oil pump systems
03/24/2009US7508148 Vehicle steering apparatus
03/24/2009US7508146 Multi-speed dual fan module system for engine cooling applications
03/24/2009US7508085 Flexible member energy conversion device
03/19/2009WO2009034223A1 Dc/dc bridge
03/19/2009US20090072768 Use of an accelerometer to control vibrator performance
03/18/2009EP2037570A2 Fan with infinitely adjustable manageable gas volume and application of such a fan
03/18/2009EP2037569A1 Control device and control method
03/18/2009EP2035293A2 Hands free waste flap apparatus and method
03/18/2009CN201210662Y Electric remote controlled lift fishing
03/18/2009CN100471080C Circuit and method for preventing erroneous opening and closing in automatically/manually foldable portable radio phone
03/18/2009CN100471030C Brushless DC motor controlling circuit
03/18/2009CN100471029C Brushless DC motor locking protection circuit
03/17/2009US7504798 Wiper controller and method for controlling wiper
03/17/2009US7504793 DC motor driving method for reducing adverse RF interferences and application to a vehicle lighting or signaling device
03/17/2009US7504790 Control system for multiphase rotary electric machines
03/12/2009US20090066281 Method and apparatus for electric motor torque monitoring
03/12/2009US20090066274 Motor controller with hall sensor misalignment compensation
03/11/2009CN101383604A Switching control system and motor driving system
03/11/2009CN101383535A Control servo motor equipped with magnetic ring and controller
03/11/2009CN101382466A Adaptive transmission sensing drive assembly
03/11/2009CN100468950C Power tool trigger assembly
03/11/2009CN100468922C Wind power plant
03/11/2009CN100468916C Servo motor with a built-in drive circuit
03/10/2009US7501777 Printer and method of driving cooling fan of printer
03/10/2009US7501776 Apparatus for controlling high speed operation of motor and method thereof
03/05/2009WO2008113458A3 Method and device for detecting the rotation of a brush-operated d.c. motor
03/05/2009US20090060479 Buck converter with improved filter design
03/05/2009US20090060478 Motor control device
03/05/2009US20090060477 Food waste disposer with pwm based control of grinding profile
03/05/2009US20090058340 Closure panel control apparatus
03/05/2009DE10356930B4 Ansteuerung für Stellmotoren Control for servo motors
03/05/2009DE102007040484A1 Household device e.g. vacuum cleaner, regulating method, involves performing regulation of motor during falling below of preset load when motor is operated in nominal speed range, where speed is not increased above specific maximum value
03/04/2009EP2030840A2 Lock detection method and lock detection circuit for motor for power-folding mirror
03/04/2009CN101379691A Systems and methods of monitoring a motor load
03/04/2009CN101378240A Motor driving circuit
03/04/2009CN100466458C Controller for multiple wound motor
03/04/2009CN100466456C Method for driving the load with periodical change requirement and a driving system
03/03/2009US7498757 Control device for a hybrid electric vehicle
03/03/2009US7498755 Brushed motor control with voltage boost for reverse and braking
02/2009
02/26/2009WO2009000576A3 Method and device for detecting the rotation direction of a drive unit
02/26/2009US20090051309 Process for driving an electric machine and driver system therefor
02/26/2009DE102007039102A1 Method for controlling adjustment drive for mobile vehicle assembly, involves controlling driving motor over relay and is propelled between two extreme positions of mobile vehicle assembly
02/25/2009CN201199678Y Servo power amplifier
02/25/2009CN101375491A Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system
02/25/2009CN101373921A Generator-motor apparatus, drive system including generator-motor apparatus, and computer-readable recording medium
02/25/2009CN100464491C Energy storage circuit for DC motor
02/24/2009US7495403 Method, apparatus and article for vibration compensation in electric drivetrains
02/24/2009US7495401 Control systems and switch devices thereof
02/24/2009US7495399 Power output apparatus and vehicle including the same
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