Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
12/2012
12/11/2012US8330408 Method and apparatus for increasing the run time of an electric cart
12/11/2012CA2466767C Auto-protected power modules and methods
12/06/2012US20120306421 Method and Device for Operating an Electric Motor
12/06/2012DE112007001132B4 Scheibenwischer-Regel- bzw. -Steuerschaltung Wiper control or control circuitry
12/05/2012EP2530829A2 Motor control unit and vehicle steering system
12/05/2012CN202586851U Singlechip-controlled direct current motor
12/05/2012CN202586850U Electric automobile anti-backward skating motor driving controller
12/05/2012CN202586849U Electric vehicle and motor controller thereof
12/05/2012CN102811007A Solar yacht with startup speed threshold value
12/05/2012CN102806857A Speed-regulated solar yacht
12/05/2012CN102252127B Method for identifying parameters of servo object in electro-hydraulic linear speed servo system
12/04/2012US8324848 System for maintaining thermal stability of a motion stage
12/04/2012US8324845 Rechargeable power tool, control unit and recording medium
11/2012
11/29/2012US20120299525 Ventilation apparatus with feedback compensation control and method for operating the same
11/29/2012US20120299518 Method and apparatus for controlling torque of an electric motor driven vehicle
11/29/2012US20120299424 Transmission shaft having centrifugal device and transmission method thereof
11/29/2012US20120298435 System for connecting batteries for an electric vehicle and associated set of batteries
11/28/2012EP2528223A2 Ventilation apparatus with feedback compensation control and method for operating the same
11/28/2012CN202565219U Speed regulating device for automobile radiator fan motor
11/28/2012CN102801379A Universal full-digital direct-current motor servo driver
11/28/2012CN101772441B Pump control apparatus and brake control system
11/28/2012CN101570144B Control apparatus for electric railcar
11/27/2012US8319465 Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker
11/27/2012US8316741 Power tool and a method for use of the power tool
11/22/2012US20120293103 Electronic swtiching module for a power tool
11/22/2012US20120293096 Power Tool and Battery Pack for Use Therein
11/21/2012EP2524774A2 Electronic switching module for a power tool
11/21/2012CN202543599U Servo drive system for moving frame of embroidery machine
11/21/2012CN101931354B Identification and compensation method of servo system disturbance moment
11/21/2012CN101839950B Device and method for detecting rotation direction of direct current motor
11/21/2012CN101783640B Motor speed closed loop control method
11/21/2012CN101061279B Rotation control device and construction machine
11/20/2012US8314583 System, method and program product for cable loss compensation in an electrical submersible pump system
11/20/2012US8314582 Method of controlling motor in image reading apparatus
11/20/2012US8314509 Movable barrier operator with energy management control and corresponding method
11/15/2012US20120286715 Ventilation device
11/14/2012EP2522070A1 An improved method and control system for controlling mobility vehicles
11/14/2012CN102780435A Driving device for dry-type electric double-on-off automatic transmission actuation motor
11/14/2012CN101931355B Motor drive device and electric equipment using this
11/14/2012CN101849352B Electric drive
11/13/2012US8310191 Piece of furniture and device for pushing out a furniture part which is accommodated in a movable manner on a fixed furniture part
11/13/2012US8308441 Robust PID control for BLDC motor controller
11/08/2012WO2011144634A3 Method for moving an element, which is driven by an electric motor inside a predetermined movement section between two block positions each formed as a limit stop, into a block position
11/08/2012DE102011075293A1 Method for operating separately excited direct-current machine of e.g. traction drive system of motor car, involves determining anchor target voltage value, where determined voltage value is provided as default for controlling machine
11/08/2012DE102011075141A1 Verfahren und Vorrichtung zum Betreiben eines Elektrowerkzeugs Method and apparatus for operating an electric tool
11/07/2012CN202524354U DC motor controller for grain screening apparatus
11/07/2012CN102364869B Wide-voltage constant-power motor speed stabilization thermostat
11/06/2012US8305786 Power controller for electric vehicle
11/06/2012US8305023 System and method for driving a drawer of a refrigerator
11/06/2012US8303449 Automatic transmission for a power tool
11/01/2012US20120274260 Motor control unit and vehicle steering system
11/01/2012US20120274253 Electric ratchet for a powered screwdriver
11/01/2012US20120274244 Electric operating machine
10/2012
10/31/2012CN202513864U Electronic speed regulator of electric bicycle
10/31/2012CN102761303A Motor rotating speed control device
10/31/2012CN102761302A Direct current motor controller for lifting hydraulic pump of electric forklift
10/31/2012CN102097990B Motor controller circuit
10/30/2012US8299762 Starting/generating system with multi-functional circuit breaker
10/24/2012EP2514090A1 Control card for the brushless direct current motor
10/24/2012CN102751927A Series excitation brush direct current motor controller
10/24/2012CN102751926A Controller of brushless DC (direct current) motor for vehicle
10/23/2012US8294399 Motor controller and electric tool having the same
10/18/2012US20120262099 Jack-up platform
10/17/2012EP2510610A2 Electric motor having a pulse width modulator
10/17/2012CN202495900U IGBT dc chopping speed-regulating controller of electric locomotive
10/17/2012CN202495847U Adjustable speed direct current permanent magnet motor
10/17/2012CN102739141A Motor driving device
10/16/2012US8288980 Apparatus for carrying out improved control of rotary machine
10/16/2012US8288979 Motor control mechanism for electric vehicles
10/11/2012US20120256569 Battery Control Device and Motor Drive System
10/11/2012US20120256566 Industrial Control System with Distributed Motion Planning
10/10/2012EP2507906A1 Method and device for operating an electric motor
10/10/2012CN202488391U Domestic-sewing-machine motor speed controller
10/10/2012CN202488390U Novel automobile air-conditioning fan speed regulator
10/10/2012CN1551484B Rotor position determination in a switched reluctance machine
10/10/2012CN101905730B Multifunctional speed control crank
10/10/2012CN101789741B Motor speed controller
10/10/2012CN101478282B Method for realizing high voltage frequency transformer main control system by built-in dual-port RAM of FPGA
10/10/2012CN101098119B 电动工具开关机构 Power Tools switching mechanism
10/09/2012US8285451 Method and apparatus for controlling electric power steering system
10/09/2012US8283885 Driver circuit
10/09/2012US8283882 Voice coil motor control system and method
10/09/2012US8283878 Battery storage device system, and motor driving body and moving body using the system
10/04/2012WO2012134474A1 Ring gears configured to encase in-line torque transducers for power tools
10/04/2012WO2012131269A2 System and method for controlling a multiphase electric motor while taking current oscillations into account
10/04/2012DE102011015450A1 Verfahren und Vorrichtung zur Verarbeitung eines Motorsignals Method and apparatus for processing a motor signal
10/03/2012EP2504917A1 Apparatus and method for measurement of a motor current of a direct-current motor
10/03/2012CN202475352U Direct current motor speed regulating device
10/03/2012CN202475290U AC voltage conversion device used for intensive flue-cured tobacco controller
10/03/2012CN202468365U Direct current brushless electric fan
10/03/2012CN102714478A Anticipatory control system for electric motor and anticipatory control method for electric motor applied to cyclic loads
10/03/2012CN102714477A Control system for electric motor applied to cyclic loads and control method for electric motor applied to cyclic loads
10/03/2012CN102714476A Control card for the brushless direct current motor
10/03/2012CN102714440A Electric operating machine
10/03/2012CN102710197A Work method for uniform-speed control device of push electric vehicle
10/03/2012CN102710196A Uniform-speed control device for hand-pushing electric vehicle and work method of uniform-speed control device
10/03/2012CN102710195A Backward slipping preventing motor drive controller for electric vehicle and control method
10/03/2012CN102710194A Control circuit for alternating current fan
10/03/2012CN102710193A Driving device
10/02/2012USRE43698 Control system for doubly fed induction generator
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