Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
---|
04/29/2009 | CN201230296Y Stirrer |
04/29/2009 | CN101420199A Remote control speed regulating device for DC motor |
04/28/2009 | US7525271 Motor driving circuit having low current consumption under a standby mode |
04/28/2009 | US7525270 Motor control apparatus |
04/28/2009 | US7525269 Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system |
04/23/2009 | WO2009052165A2 Bus disturbance regulator |
04/23/2009 | WO2009051235A1 Motor drive circuit and semiconductor integrated circuit device using the same |
04/23/2009 | WO2008138600A3 Rotor blade adjustment device for a wind turbine |
04/23/2009 | WO2008036089A3 Power generation system |
04/23/2009 | US20090102407 Power tool, drive assembly, and method of operating the same |
04/23/2009 | DE102008040922A1 Verfahren und Vorrichtung zur Ansteuerung eines Elektromotors Method and apparatus for driving an electric motor |
04/23/2009 | CA2702641A1 Bus disturbance regulator |
04/22/2009 | EP2050174A2 Overload prevention device for permanent magnet dc motors |
04/22/2009 | EP1941610B1 Actuator for automotive climatization units |
04/22/2009 | EP1264383A4 Ac/dc chopper for power tool |
04/22/2009 | CN100481707C Method and system for limiting the current output by a limit speed controller |
04/22/2009 | CN100481706C Device for controlling an electric motor, especially in motor vehicles |
04/21/2009 | US7521881 Constant speed barrier operator |
04/16/2009 | WO2009046673A1 Torque management method for hybrid electric motor |
04/16/2009 | WO2007139570A3 Trash can with power operated lid |
04/16/2009 | US20090097830 Motor drive device provided with disturbance load torque observer |
04/15/2009 | EP1110288B1 Drive device and method for moving a vehicle part |
04/15/2009 | CN101409529A Motor drive device provided with disturbance load torque observer |
04/15/2009 | CN100479322C Operator device of an electric power tool and operating device module system |
04/15/2009 | CN100479293C Cordless power tool with a protected weak link element |
04/14/2009 | US7518331 AC rotating electric machine control method and electrical power train system |
04/09/2009 | US20090091282 Electric motor control |
04/09/2009 | US20090091275 Adaptive drive system using current values for a personal care appliance |
04/08/2009 | EP2045909A2 Hand tool |
04/08/2009 | EP2044683A1 Control for electrically adjustable furniture |
04/08/2009 | EP2044682A2 Circuit arrangement for measuring the current consumption of a pulse-width modulation-controlled direct-current motor |
04/08/2009 | EP2044681A2 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 |
04/08/2009 | CN100477482C Method for operating an electromechanical brake actuator, in particular for aircraft |
04/08/2009 | CN100476563C Actuator drive circuit for shutter and actuator for shutter |
04/07/2009 | US7514890 Surgical machine and method for controlling and/or regulating a surgical machine |
04/07/2009 | US7514889 Steering controlling device |
04/07/2009 | US7514806 Engine start system with quadrature AC excitation |
04/02/2009 | WO2009041888A1 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 |
04/02/2009 | US20090085446 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 |
04/02/2009 | DE19831458B4 Elektrischer Schalter, insbesondere für ein Akku-Elektrowerkzeug Electric switch, in particular for a cordless power tool |
04/02/2009 | DE102007044143A1 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 |
03/26/2009 | WO2009016468A3 Pump control apparatus and brake control system |
03/26/2009 | WO2009007175A3 Electric motor commutator and method for driving an electric motor commutator |
03/26/2009 | US20090079375 Motor controller and electric power steering apparatus |
03/25/2009 | EP2040369A2 Load drive control circuit |
03/25/2009 | CN101394147A DC motor speed control device and method |
03/25/2009 | CN101394146A Parameter recognition system and method for DC electric motor speed control object |
03/25/2009 | CN101393425A Parameter regulation system and method for controlling DC generator speed by PID |
03/25/2009 | CN100472930C Inverter device |
03/24/2009 | US7508150 Electric motor controller |
03/24/2009 | US7508149 Oil pump systems and methods for preventing torque overload in motors of oil pump systems |
03/24/2009 | US7508148 Vehicle steering apparatus |
03/24/2009 | US7508146 Multi-speed dual fan module system for engine cooling applications |
03/24/2009 | US7508085 Flexible member energy conversion device |
03/19/2009 | WO2009034223A1 Dc/dc bridge |
03/19/2009 | US20090072768 Use of an accelerometer to control vibrator performance |
03/18/2009 | EP2037570A2 Fan with infinitely adjustable manageable gas volume and application of such a fan |
03/18/2009 | EP2037569A1 Control device and control method |
03/18/2009 | EP2035293A2 Hands free waste flap apparatus and method |
03/18/2009 | CN201210662Y Electric remote controlled lift fishing |
03/18/2009 | CN100471080C Circuit and method for preventing erroneous opening and closing in automatically/manually foldable portable radio phone |
03/18/2009 | CN100471030C Brushless DC motor controlling circuit |
03/18/2009 | CN100471029C Brushless DC motor locking protection circuit |
03/17/2009 | US7504798 Wiper controller and method for controlling wiper |
03/17/2009 | US7504793 DC motor driving method for reducing adverse RF interferences and application to a vehicle lighting or signaling device |
03/17/2009 | US7504790 Control system for multiphase rotary electric machines |
03/12/2009 | US20090066281 Method and apparatus for electric motor torque monitoring |
03/12/2009 | US20090066274 Motor controller with hall sensor misalignment compensation |
03/11/2009 | CN101383604A Switching control system and motor driving system |
03/11/2009 | CN101383535A Control servo motor equipped with magnetic ring and controller |
03/11/2009 | CN101382466A Adaptive transmission sensing drive assembly |
03/11/2009 | CN100468950C Power tool trigger assembly |
03/11/2009 | CN100468922C Wind power plant |
03/11/2009 | CN100468916C Servo motor with a built-in drive circuit |
03/10/2009 | US7501777 Printer and method of driving cooling fan of printer |
03/10/2009 | US7501776 Apparatus for controlling high speed operation of motor and method thereof |
03/05/2009 | WO2008113458A3 Method and device for detecting the rotation of a brush-operated d.c. motor |
03/05/2009 | US20090060479 Buck converter with improved filter design |
03/05/2009 | US20090060478 Motor control device |
03/05/2009 | US20090060477 Food waste disposer with pwm based control of grinding profile |
03/05/2009 | US20090058340 Closure panel control apparatus |
03/05/2009 | DE10356930B4 Ansteuerung für Stellmotoren Control for servo motors |
03/05/2009 | DE102007040484A1 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 |
03/04/2009 | EP2030840A2 Lock detection method and lock detection circuit for motor for power-folding mirror |
03/04/2009 | CN101379691A Systems and methods of monitoring a motor load |
03/04/2009 | CN101378240A Motor driving circuit |
03/04/2009 | CN100466458C Controller for multiple wound motor |
03/04/2009 | CN100466456C Method for driving the load with periodical change requirement and a driving system |
03/03/2009 | US7498757 Control device for a hybrid electric vehicle |
03/03/2009 | US7498755 Brushed motor control with voltage boost for reverse and braking |
02/26/2009 | WO2009000576A3 Method and device for detecting the rotation direction of a drive unit |
02/26/2009 | US20090051309 Process for driving an electric machine and driver system therefor |
02/26/2009 | DE102007039102A1 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 |
02/25/2009 | CN201199678Y Servo power amplifier |
02/25/2009 | CN101375491A Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system |
02/25/2009 | CN101373921A Generator-motor apparatus, drive system including generator-motor apparatus, and computer-readable recording medium |
02/25/2009 | CN100464491C Energy storage circuit for DC motor |
02/24/2009 | US7495403 Method, apparatus and article for vibration compensation in electric drivetrains |
02/24/2009 | US7495401 Control systems and switch devices thereof |
02/24/2009 | US7495399 Power output apparatus and vehicle including the same |