| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 03/23/2005 | EP1517433A1 Speed controlling method for an electric motor, control circuit and electric motor |
| 03/23/2005 | EP1516770A1 Hybrid type working machine |
| 03/23/2005 | CN1598276A Hybrid type working machine |
| 03/22/2005 | US6870794 Transducer and cable combination |
| 03/22/2005 | US6870334 Movable barrier operator auto-force setting method and apparatus |
| 03/17/2005 | WO2005025024A2 Arrangement for operating an electrically adjustable item of furniture for sitting or lying upon |
| 03/17/2005 | US20050057240 Control device |
| 03/17/2005 | US20050057226 Hybrid type working machine |
| 03/17/2005 | US20050057210 Converter circuit and motor driving apparatus |
| 03/17/2005 | US20050057207 Torque limiting device for an electric motor |
| 03/17/2005 | US20050057203 Control device |
| 03/17/2005 | US20050057199 Control device |
| 03/17/2005 | DE10357918B3 Phase-chopping power regulator for electric motor has semiconductor switch in series with latter and second semiconductor switch connected in series with resistance element across first semiconductor switch |
| 03/17/2005 | CA2541945A1 Apparatus and method for maintaining an operating condition for a blower |
| 03/16/2005 | EP1515425A2 Motor driving apparatus |
| 03/16/2005 | EP1515424A2 Drive apparatus and drive method for electromagnetic drive actuator |
| 03/16/2005 | EP1514723A2 Method to control a control circuit and the current running through connected devices of an electrified track with an electrical motor |
| 03/16/2005 | CN2686207Y Electric machine set capable of regulating power and torque |
| 03/16/2005 | CN1595791A Regenerative braking chopping speed regulator for dc motor |
| 03/16/2005 | CN1595790A Torque limiting device for an electric motor |
| 03/16/2005 | CN1595789A Motor driving apparatus |
| 03/15/2005 | US6867645 Method and apparatus for providing pulse width modulation |
| 03/10/2005 | US20050052144 Motor driving apparatus |
| 03/09/2005 | EP1512820A2 Electronic wound protection device for a path-controlled window regulator, method for adapting the control means to a given kinematics and path-controlled window regulator |
| 03/09/2005 | EP0938766B1 Control system using an electric motor |
| 03/09/2005 | CN2684459Y Non-contact phase change controller for three-phase motor |
| 03/09/2005 | CN1592082A Circuit for controlling fan rotating speed |
| 03/09/2005 | CN1590696A 控制装置 Control device |
| 03/08/2005 | US6865064 Drive apparatus and drive method for electromagnetic drive actuator |
| 03/08/2005 | US6864662 Electric power assist steering system and method of operation |
| 03/08/2005 | US6864651 Bi-directional motor control circuit |
| 03/03/2005 | WO2005020425A1 Motor driver and magnetic disc apparatus |
| 03/03/2005 | WO2005020424A1 Motor driver and magnetic disc apparatus |
| 03/03/2005 | US20050046370 System and method for clamp current regulation in field-weakening operation of permanent magnet (PM) machines |
| 03/03/2005 | US20050046369 Electric drive control apparatus, electric drive control method and program thereof |
| 03/03/2005 | US20050046367 Circuit for providing power to multiple electrical devices |
| 03/03/2005 | US20050046366 Circuit for providing power to multiple electrical devices |
| 03/03/2005 | US20050046364 Method and circuit for driving a DC motor |
| 03/02/2005 | CN2682459Y Tension control system for high strength under relaxation prestressed steel strand set |
| 03/02/2005 | CN1589518A Full wave DC/DC converter |
| 03/02/2005 | CN1191670C DC motor control system of electric vehicle |
| 03/01/2005 | US6861966 Method for providing a digital current fluctuation signal |
| 03/01/2005 | US6861815 Motor control drive circuit |
| 02/24/2005 | US20050040778 Fan motor speed control circuit |
| 02/24/2005 | US20050040777 Method and apparatus for generating accurate fan tachometer readings |
| 02/24/2005 | US20050040206 Control module for flywheel operated hand tool |
| 02/24/2005 | DE10331100A1 Method for ascertaining faulty commutating between converter thyristors, involves comparing status signal of current output converter thyristor with command signal |
| 02/22/2005 | US6859030 Method for determining the rotational position of the drive shaft of a direct current motor |
| 02/22/2005 | US6859001 Torque ripple and noise reduction by avoiding mechanical resonance for a brushless DC machine |
| 02/17/2005 | WO2005015729A1 Method and device for operating at least two electric motors |
| 02/17/2005 | WO2005015707A1 Control unit |
| 02/17/2005 | US20050036769 Radiator fan driving module applied to a power system or a power supply device |
| 02/17/2005 | US20050035733 Device with an electromotor |
| 02/17/2005 | US20050035732 Brushless dc motor having a speed control circuit |
| 02/16/2005 | CN1581652A Method for driving oscillating body and electromagnetic driving mechanism |
| 02/16/2005 | CN1581651A Reacting force treating system of operation table device |
| 02/15/2005 | US6856872 Control method for electric power steering apparatus |
| 02/15/2005 | US6856115 Method of and apparatus for controlling the operation of an induction motor using a model of the induction motor |
| 02/15/2005 | US6856112 Power window driving device |
| 02/15/2005 | US6856106 H-bridge apparatus and method |
| 02/15/2005 | US6856033 Energy conversion system |
| 02/10/2005 | US20050029975 Motor temperature sensor system and method to determine motor performance |
| 02/10/2005 | US20050029973 Motor drive circuit |
| 02/10/2005 | DE202004018569U1 Solar 18-volt motor module for starting and operating 12-volt solar motors has a capacitor reverse side, a high-capacitive capacitor, mechanical switches and a reverse current inhibiting diode |
| 02/10/2005 | DE102004035954A1 Minderung der Drehmomentwelligkeit und des Geräuschpegels bei einem bürstenlosen Gleichstrommotor durch das Vermeiden von mechanischen Schwingungen Reduction of the torque ripple and noise in a brushless DC motor by avoiding the use of mechanical vibrations |
| 02/09/2005 | CN2678244Y Improved structure of circuit device |
| 02/09/2005 | CN1578104A Sensorless motor driving device and its driving method |
| 02/09/2005 | CN1578103A Motor controlling equipment and washer and dryer using the same |
| 02/09/2005 | CN1578101A Electric machine driving circuit, integrated circuit and driving method for electric machine circuit |
| 02/08/2005 | US6853159 Apparatus and method for generating torque |
| 02/03/2005 | WO2005011100A2 Speed control system for the motor of a fan and motor unit, in particular a heating and/or air-conditioning unit for a motor vehicle |
| 02/03/2005 | WO2005011099A2 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 |
| 02/03/2005 | WO2004102783A3 Linear control systems and methods for avoiding motor in dc motor |
| 02/03/2005 | US20050024001 Method for monitoring and controlling traction motors in locomotives |
| 02/03/2005 | DE102004034462A1 Einrichtung und Verfahren zur Motorsteuerung Apparatus and method for motor control |
| 02/02/2005 | CN2676494Y Electronic regulation control apparatus for electric shovel |
| 02/02/2005 | CN1574600A Power tool trigger assembly |
| 02/02/2005 | CN1572142A Motor control device for motor driven reel |
| 02/02/2005 | CN1187010C Controller for rocking chain |
| 02/01/2005 | US6850023 Method of measuring motor speed |
| 01/27/2005 | WO2005008878A1 System for operating dc motors and power converters |
| 01/27/2005 | US20050019164 Technique for sensing altitude from fan speed |
| 01/27/2005 | US20050019162 Utilizing an altitude sensor to control fan speed |
| 01/27/2005 | US20050019024 Motor control device and motor control method |
| 01/27/2005 | US20050017665 Brushless DC motor having an AC power control device |
| 01/27/2005 | US20050017661 Torque ripple and noise reduction by avoiding mechanical resonance for a brushless dc machine |
| 01/27/2005 | DE102004026571A1 Pumpenantriebsmotorsteuerungsvorrichtung Pump drive motor control apparatus |
| 01/26/2005 | EP1500180A1 A drive unit, preferably an actuator, a control and a construction |
| 01/26/2005 | CN1571263A Differential current output unit |
| 01/25/2005 | US6847914 Method for determining the rotational position of the drive shaft of a commutated DC motor |
| 01/20/2005 | US20050012480 Electric actuator system |
| 01/20/2005 | DE102004032005A1 Process to control the operation of a papermaking industry drum by incorporation of an internal electric motor serving also as a generator |
| 01/20/2005 | DE102004024914A1 Motorantriebsgerät Motor drive unit |
| 01/19/2005 | EP1497913A1 Converter system, method and converter |
| 01/19/2005 | CN1567721A PWM buffer circuit for regulating frequency and operating cycle of PWM signal |
| 01/19/2005 | CN1567706A Switch drive circuit of DC fan motor |
| 01/19/2005 | CN1567705A Motor controller for controlling speed regulation in pulse width modulation |
| 01/19/2005 | CN1567704A Control method of PWM for fan |
| 01/19/2005 | CN1567703A Control method of multiple PWM for fan |
| 01/18/2005 | US6845337 Method for correcting the determination of the rotating position of a drive shaft of a commutated direct current motor |