Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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11/24/2010 | CN101257273B DC electric machine drive apparatus with power supply by second lithium batteries |
11/18/2010 | US20100289443 Limiting Peak Electrical Power Drawn By Mining Excavators |
11/18/2010 | DE102009002930A1 Electric machine has comprises stator, rotor, control device and coil, where coil is arranged in rotor or in stator, and energization of coil is adjusted by change of pulse duty factor of pulse width modulation by control device |
11/17/2010 | CN201639534U Voltage control and electricity-stealing preventing device of pumping unit motor |
11/17/2010 | CN201639533U Power driver |
11/17/2010 | CN201639532U Speed controlling module of brush DC tubular motor |
11/17/2010 | CN201639531U Waveform transformation circuit and mobile terminal provided with same |
11/17/2010 | CN101316089B Driving circuit of DC brushless motor |
11/16/2010 | US7834579 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level AC drive inverter bridge |
11/16/2010 | US7834572 Robust blower motor startup technique |
11/11/2010 | WO2009082065A3 Motor controller of air conditioner |
11/11/2010 | US20100283420 Fan arrangement in which the consumed electric power is influenced |
11/11/2010 | DE102009002907A1 Verfahren und Vorrichtung zum Bestimmen einer absoluten Winkellage eines Rotors eines Elektromotors Method and apparatus for detecting an absolute angular position of a rotor of an electric motor |
11/11/2010 | CA2700014A1 Clock-detecting circuit |
11/10/2010 | EP2249473A1 Control device and control method for control valve |
11/10/2010 | EP1665488B1 Arrangement for operating an electrically adjustable item of furniture for sitting or lying upon |
11/10/2010 | CN201629713U Dual-mode electronic speed governor |
11/10/2010 | CN201628854U Touch type induction controller |
11/10/2010 | CN101098118B Rotation velocity control method and circuit of DC dragging system |
11/09/2010 | US7831356 Electric power steering control apparatus |
11/09/2010 | US7830106 Controller for motor |
11/04/2010 | US20100280714 Motor controller and electric power steering apparatus |
11/04/2010 | US20100278518 Measuring pressure |
11/04/2010 | US20100276929 System and method for determining the temperature of a permanent magnet in a machine |
11/04/2010 | US20100275810 battery-powered all-electric locomotive and related locomotive and train configurations |
11/04/2010 | DE102009020842B4 System zum Steuern der Geschwindigkeit eines Elektromotors in einem Kraftfahrzeug System for controlling the speed of an electric motor in a motor vehicle |
11/04/2010 | DE102009019183A1 Method for determining parameters of interpolation function, involves carrying out multiple reference-setting processes by reference-control device |
11/04/2010 | CA2845285A1 A battery-powered all-electric locomotive and related locomotive and train configurations |
11/03/2010 | EP2246971A1 Motor load control device |
11/03/2010 | EP2245725A1 H-bridge circuit and method for operating such circuit |
11/03/2010 | EP1863689B1 Optimal capturing of a dc-motor residual voltage |
11/03/2010 | EP1393433B1 Method for determining the rotating position of the drive shaft of a commutated direct current motor |
11/03/2010 | CN201623680U High-voltage controller special for DC motor |
11/03/2010 | CN201623678U Automatic speed regulating device of radiating fan based on single chip microcomputer PWM |
11/03/2010 | CN1985435B Quenching device for a feeding converter bridge |
11/02/2010 | US7826722 Driving apparatus for fan motor |
10/28/2010 | US20100270961 Method and Device for Controlling an Electric Motor ( amended |
10/28/2010 | DE102009002654A1 Verfahren und Vorrichtung zum Bestimmen einer absoluten Winkellage eines Rotors eines kommutierten Elektromotors Method and apparatus for detecting an absolute angular position of a rotor of a commutated electric motor |
10/27/2010 | CN101873097A Control method for implementing electronic commutation and four-quadrant operation of series excited motor, and device thereof |
10/26/2010 | US7821217 Electronically commutated motor and control system employing phase angle control of phase current |
10/26/2010 | US7821216 Motor control method and control device |
10/26/2010 | US7821214 Load driving apparatus, vehicle incorporating the same, and control method for load driving apparatus |
10/21/2010 | WO2010118978A2 Method for operating a control circuit, particularly for use in a motor vehicle |
10/21/2010 | WO2010118703A1 Self-propelled lawn mower |
10/21/2010 | DE202008017908U1 Steuerung für ein Tor o.dgl. Or the like for controlling a gate. |
10/21/2010 | DE102009021547A1 Circuit arrangement for operation of direct current motor, particularly drive device for actuating element of motor vehicle, has electronic control unit and power electronics controlled with control unit |
10/21/2010 | DE102009002410A1 Electric motor i.e. direct current motor, is formed from constructional components, where motor is constructionally provided such that frequency response of its complex resistance is same as frequency characteristic of motor |
10/20/2010 | EP2241270A2 Control assembly for a motorized surgical tool that contains a sensor that monitors the state of the motor rotor |
10/20/2010 | CN101868090A Circuit for dimming or speed regulation control and control method |
10/20/2010 | CN101867339A Motor control method of electronic mechanical braking system |
10/14/2010 | US20100259203 Electronically commutated motor |
10/13/2010 | EP2238681A1 Motor variable detector and method for providing a speed detection signal and/or a torque detection signal |
10/13/2010 | EP2238680A1 Method and system for multiphase current sensing |
10/13/2010 | CN201607633U 一种超低功耗红外线感应垃圾桶控制器 An ultra-low-power infrared sensor trash Controller |
10/13/2010 | CN101860311A Drive device of series DC machine for pitch control system |
10/13/2010 | CN101860310A Drive control circuit and method of series DC machine for pitch control system |
10/13/2010 | CN101860309A Voltage adjustment and electricity theft prevention device for motor of oil extractor |
10/13/2010 | CN101860308A Safe and reliable dragging and braking conversion device for DC motor armature winding |
10/13/2010 | CN101860307A Discharge loop for controlling speed of brush direct current tubular motor and circuit for controlling speed thereof |
10/13/2010 | CN101860306A Speed control module and speed control circuit of brush direct-current tubular motor |
10/13/2010 | CN101860305A Method for controlling road sensing motor of line-controlled steering system |
10/13/2010 | CN101262197B Motor drive device and electric apparatus using the same |
10/13/2010 | CN101141108B DC motor bridge full thyristor speeder |
10/12/2010 | US7813626 Motor controller and electric power steering apparatus |
10/12/2010 | US7812558 Driving apparatus of electric motor for reduction roll |
10/07/2010 | US20100254685 Control system for an electric machine |
10/07/2010 | US20100253273 Elastic rotary actuator, particularly for robotic applications, and method for controlling the same |
10/07/2010 | US20100253271 Power limiting system for multiple electric motors |
10/07/2010 | US20100253270 Method and devices for driving a damper |
10/07/2010 | US20100253269 Method for operating a rotating electric machine |
10/07/2010 | DE102009014808A1 Verfahren und Vorrichtung zum Ansteuern eines eine Ansprechverzögerung aufweisenden Steuerelements einer Antriebseinrichtung Method and device for driving a control element having a response delay of a drive device |
10/06/2010 | CN101855823A Circuit arrangement for a power tool |
10/06/2010 | CN101854143A Motor drive circuit and motor drive method |
10/06/2010 | CN101331675B Motor drive device and electric equipment using this |
10/05/2010 | US7808197 Control apparatus for opening/closing member of vehicle and control method for opening/closing member of vehicle |
10/05/2010 | US7808195 Control apparatus for electric train |
10/05/2010 | US7808194 Control apparatus for electric vehicles |
10/02/2010 | CA2698290A1 Brushless dc motor with soft-starting of pwm signals |
09/30/2010 | WO2010109964A1 Semiconductor integrated circuit device |
09/30/2010 | US20100245409 Motor control device, image forming apparatus, and motor control method |
09/30/2010 | US20100244757 Current Limit Control Method of DC Motor and Related Device and Circuit |
09/30/2010 | DE102007039102B4 Verfahren zur Steuerung eines Verstellantriebs für ein Fahrzeug und zugehörige Fensterhebervorrichtung Method for controlling an adjusting drive for a vehicle power window device and associated |
09/29/2010 | CN101849352A Electric drive |
09/29/2010 | CN101227164B Direct current compressor drive circuit |
09/28/2010 | US7805063 Speed control system for a ceiling fan motor |
09/28/2010 | US7804263 Control system for a controllable permanent magnet machine |
09/22/2010 | CN201590798U Large-current speed regulating switch |
09/22/2010 | CN101841292A Direct-current motor driver of wind generating variable-propeller control system |
09/21/2010 | US7800322 Isolation circuit for DC power sources |
09/16/2010 | US20100231148 Torque Controller for Permanent Magnet Synchronous Motor |
09/16/2010 | DE202009005837U1 Schaltungsanordnung zum Betrieb eines Gleichstrommotors Circuit arrangement for operating a DC motor |
09/16/2010 | DE102009012715A1 Elektrischer Schalter Electric switch |
09/16/2010 | DE102009003599A1 Electronic circuit for rotation speed control of electro motor, has two mains voltage connections for electrical power supply of circuit in alternating current network |
09/15/2010 | EP1713997B1 Electric circuit arrangement |
09/15/2010 | CN201580229U Curtain cushioning device of sunshade screen |
09/15/2010 | CN101836355A Method for detecting a load drop |
09/15/2010 | CN101505128B Shift control method for multi-stage motor |
09/14/2010 | US7796867 Motor drive device and cooling device using the same |
09/14/2010 | US7795831 Wiper control device |
09/14/2010 | US7795830 Electric motor |