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)
05/2010
05/05/2010CN1961470B Moving magnet type linear slider
05/05/2010CN1910459B Rotation detection device
05/05/2010CN1784823B Control system for doubly fed induction generator
05/05/2010CN101702603A DC motor soft starter supplied with power by storage battery
05/05/2010CN101701872A System for simulating feature of wind machine based on DSP
05/04/2010US7707918 Detection systems for power equipment
04/2010
04/29/2010WO2010045993A1 Electric motor for driving a compressor
04/29/2010US20100102763 Hybrid working machine
04/29/2010DE102009011720A1 Verfahren und Schaltung zum Steuern der Motorgeschwindigkeit A method and circuit for controlling the motor speed
04/29/2010DE102008052779A1 Elektromotor zum Antrieb eines Kompressors Electric motor for driving a compressor
04/28/2010EP2180591A1 Method for automatically determining the system dynamic and/or position of a permanently excited direct current motor
04/28/2010CN1830091B H-bridge with single lead frame
04/28/2010CN1531185B Motor driving circuit and method
04/27/2010US7705554 Circuit arrangement and method for adjusting the power consumption of a load that can be operated by a direct-voltage system
04/27/2010US7705549 Series resistor assembly for an electric motor, circuit arrangement comprising a series resistor assembly for operating an electric motor and use of said assembly
04/22/2010US20100097732 Method and apparatus for limiting torque in an electric drive motor
04/22/2010US20100097014 Control of a linear motor
04/22/2010DE19643909B4 Motorsteuervorrichtung The motor control apparatus
04/22/2010DE10105207B4 Verfahren und Regeleinheit zur Drehzahlregelung eines Gleichstrommotors für Modellfahrzeuge Procedures and control unit for speed control of a DC motor for model cars
04/21/2010EP1287610B1 Method for determining the position of an element driven by the drive shaft of a direct current motor
04/21/2010CN1484885B Pole-change type motor
04/21/2010CN101697470A Method for controlling vibration of linear motor
04/21/2010CN101695912A Entire electric car control method
04/20/2010US7702223 Circuit for controlling rotation speed of computer fan
04/20/2010US7701158 Fan system and speed detecting device thereof
04/20/2010US7701157 Motor controller and method for controlling motor
04/15/2010WO2010040349A1 A power supply system and method for controlling a mechanically commutated electric motor
04/15/2010US20100094483 Control and motor arrangement for use in model train
04/15/2010US20100089600 Controlling method of electric tool and electric tool carrying out the controlling method
04/15/2010DE102009036274A1 Drehungserfassungsvorrichtung und Gleichstrommotor Rotation sensing device and DC motor
04/15/2010DE102009014264A1 Verfahren und Vorrichtung zur Verarbeitung eines Stromrippel aufweisenden Motorsignals eines Gleichstrommotors Method and apparatus for processing having a motor current ripple signal of a DC motor
04/14/2010EP1593124B1 Disk tray mechanism for reproducing apparatus
04/14/2010CN101694981A Shutter motor, control end and methods thereof for sending action command and responding
04/13/2010US7696709 Electric power steering apparatus and controller therefor
04/08/2010WO2010038339A1 Normally-off protection element and control unit provided with same
04/08/2010DE10316805B4 Verfahren und Vorrichtung zur Erhöhung der Betriebssicherheit einer elektrischen Komponente Method and apparatus for increasing the reliability of an electrical component
04/06/2010US7692399 DC motor control
04/01/2010DE19952389B4 Verfahren zur Bestimmung der Parameter und/oder Strom-Weg-Kennlinie eines elektrisch angetriebenen Motorsystems A method for determining the parameters and / or current-travel characteristic curve of an electrically driven motor system
04/01/2010DE102008004835B4 Elektrorollstuhlantrieb Electric Wheelchair Drive
03/2010
03/31/2010EP2169406A1 Method for determining of the velocity of an electric motor
03/31/2010EP1446865B1 Full wave dc/dc converter
03/31/2010CN201433850Y DC variable pitch system having super-capacitor energy accumulation
03/31/2010CN101689829A Electric tool and device switch for an electric tool
03/31/2010CN101689822A Electric motor commutator and method for driving an electric motor commutator
03/31/2010CN101686031A Motor driving circuit for regulating rotating speed of motor by changing output voltage
03/30/2010US7688012 Method and device for determining the torque of an electric machine
03/25/2010US20100071142 2-speed toothbrush
03/24/2010EP2165412A1 Apparatus for sensorless positioning with signal amplifier
03/24/2010EP2165411A2 Electric motor commutator and method for driving an electric motor commutator
03/24/2010CN201430566Y Motor driving device for leveling vehicle
03/23/2010US7683563 Protective device for a power-assisted steering system
03/23/2010US7683356 Voltage converting circuit
03/23/2010CA2679805A1 Accessing data stored in a memory of a surgical instrument
03/23/2010CA2679516A1 Motor-driven surgical cutting instrument
03/23/2010CA2389137C Sine wave variable speed drive
03/18/2010WO2010028915A1 Device and method for controlling an electric motor
03/18/2010US20100066289 System and method for controlling an electric motor
03/18/2010US20100065291 Electric power hoe
03/17/2010EP2164166A1 Motor controller
03/17/2010EP2162979A2 Driving device for an electric motor
03/17/2010CN201426108Y Motor control device with double power supplies
03/17/2010CN201426106Y Starting and running control device for electromotor
03/17/2010CN101674042A Driving device for low-temperature superconductive ball rotor and driving method thereof
03/17/2010CN101669856A Programmable controller for electric wheel chair
03/16/2010US7679301 Movable barrier operator auto-force setting method and apparatus
03/16/2010US7679298 Locomotive wheel speed control
03/11/2010US20100060224 Method of controlling speed of brushless motor of ceiling fan and the circuit thereof
03/11/2010US20100060223 Permanent magnet rotating electrical machine and permanent magnet motor drive system
03/11/2010US20100059240 Method for tightening a screw connection and screw driving tool
03/11/2010DE102008041895A1 Verfahren zur Leistungsbegrenzung eines an einem Gleichspannungsnetz betriebenen elektrischen Motors, insbesondere für ein Gebläse in einem Kraftfahrzeug, sowie Vorrichtung zum Durchführen des Verfahrens A method for limiting the power of an operated at a DC power electric motor, particularly for a fan in a motor vehicle, as well as apparatus for carrying out the method
03/10/2010CN101669278A Brushless motor apparatus
03/04/2010US20100054964 Rotating Speed Adjustment Circuit and Related Control System for a Heat Dissipation Fan
03/04/2010US20100052591 Motor driving circuit for adjusting speed of a motor by changing an output voltage
03/04/2010US20100052588 Vehicle controller and control method
03/04/2010US20100052578 Subminiature linear vibrator
03/03/2010CN201418058Y DC motor controller
03/03/2010CN201418057Y Signal control system for electric vehicle based on electric power carrier
03/03/2010CN201418056Y Motor with low energy consumption
03/03/2010CN201418052Y Device for controlling power supply of DC motor
03/03/2010CN101663810A Method of controlling a motorized window treatment
03/02/2010US7671553 Servo controller
03/02/2010US7671549 Method and apparatus for quiet fan speed control
02/2010
02/25/2010US20100049414 Control apparatus for electric vehicle
02/25/2010US20100049333 Assist device
02/25/2010US20100046933 Motor driving system
02/25/2010US20100045225 Mirror Adjustment Mechanism, Wing Mirror Unit and Method
02/25/2010US20100045224 Electric vehicle control device
02/24/2010CN101656506A Motor driving system
02/23/2010US7669064 Diagnostic and managing distributed processor system
02/23/2010US7667422 Fan with failure detecting function
02/23/2010US7667421 Torque compensation method and system for DC brushless motor
02/18/2010US20100039057 Anti-pinch method and device for controlling an openable and closable body
02/17/2010EP2153517A1 Electronically commutated motor and control system employing phase angle control of phase current
02/17/2010CN100590962C Control device for variable speed electric motor of electric tool
02/11/2010WO2010015461A2 Method and device for determining the operating state of an electric machine
02/11/2010US20100033120 Fan speed control system
02/11/2010US20100031911 Device for starting an internal combustion engine, particularly a diesel engine
02/10/2010CN201403025Y Novel speed-regulating structure
02/10/2010CN201398600Y Electric air blower adjusting the air quantity through PWM power supply
02/09/2010US7659678 System for operating DC motors and power converters
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