Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
10/2013
10/30/2013CN203261281U Constant-speed driving circuit used for servo motor of automatic film covering machine
10/30/2013CN203261280U Control system of oil pumping machine based on brushless direct-current motor
10/30/2013CN203261279U Control device of a direct-current permanent-magnet spherical motor
10/30/2013CN203261278U Direct current motor controller assembly
10/30/2013CN203261277U Motor controller
10/30/2013CN203261276U Motor controller
10/30/2013CN103378780A High efficiency treadmill motor control
10/30/2013CN103378779A Temperature control device of brushless DC motor
10/30/2013CN103378778A Electric vehicle, brushless direct-current motor and driving control system thereof
10/30/2013CN103378777A Temperature protection method and device of electrombile and motor controller of electrombile
10/30/2013CN102437807B Variable frequency transformer control system
10/30/2013CN102358208B Electric driving system for electric vehicle and control method of electric driving system
10/30/2013CN101902191B Control techniques for motor driven systems
10/29/2013US8570002 Start/stop operation for a container generator set
10/29/2013US8569986 Demagnetization detection device and demagnetization detection method thereof
10/29/2013US8569902 Methods and systems for engine starting
10/24/2013DE112008002061B4 Pumpensteuereinrichtung und Bremssteuersystem Pump control means and brake control system
10/24/2013DE102012103593A1 Driving apparatus for driving entrance gate used in hospital, has control device provided to stop or adjust drive motor on reverse rotation direction when difference between actual and target phase position exceeds predetermined limit
10/23/2013CN203251266U Direct-current brushless motor control circuit for aerator
10/23/2013CN203251265U Motor switching circuit and motor driving device
10/23/2013CN203251264U Direct-current brushless motor control circuit for flat car
10/23/2013CN203251078U Motor overcurrent protection circuit and motor driving device
10/23/2013CN103370869A Energy storage device for a separately excited electrical machine
10/23/2013CN103368483A Handheld electric-driven tool and control method thereof
10/23/2013CN103368482A A fan motor driver, a method and a control circuit for generating a pulse-width modulation signal
10/23/2013CN103368481A A driving system for an infant exercise device
10/23/2013CN103368480A Handheld electric-driven tool and control method thereof
10/23/2013CN103358289A Handheld electric tool and control method thereof
10/23/2013CN101917145B Soft start control method and controller
10/22/2013US8566624 Diagnostic and managing distributed processor system
10/22/2013US8564236 Power tool
10/22/2013US8564234 Driving circuits, power devices and electric devices including the same
10/22/2013US8564233 Safety system and method for pump and motor
10/22/2013US8562304 Electrical motor activation method having load torque adaptation
10/17/2013US20130271057 System and method for estimating electrical current in motor control circuits to improve performance and diagnostic capability
10/17/2013US20130271054 Electric tool
10/17/2013DE102012205942A1 Commutator motor for use as drive motor for electrical window lifter in motor car, has high pass filter producing high-pass-filtered voltage signal from resulting motor voltage signal by extracting high frequency voltage peaks
10/17/2013DE102012205941A1 Commutator motor e.g. drive motor for electrical window lifter used in motor car, has control device that controls motor voltage signal in several operating modes to enable unique determination of rotational position of collector
10/17/2013DE102012007194A1 Verfahren zum Betreiben eines Nietsetzgeräts Method for operating a Nietsetzgeräts
10/16/2013EP2649694A1 Motor protection relay for optimizing the monitoring and protection of an electric motor
10/16/2013CN203243268U Large-power DC motor drive control circuit device
10/16/2013CN203243267U Major loop circuit of two-phase direct current brushless temperature control fan
10/16/2013CN203243266U Drive circuit of two-phase half-wave DC brushless temperature-control fan
10/16/2013CN203243265U Novel drive board of low-heat direct current motor
10/16/2013CN203242481U Carbon brush contact type self-coupling alternating-current voltage regulator based on segmented variable cross-section winding
10/16/2013CN103354439A Angle wave based motor direct-current speed control device and circuit diagram thereof
10/16/2013CN102420557B Four-quadrant-operation-based propeller simulation device and simulation method thereof
10/15/2013CA2448916C Post-automatically determined user-modifiable activity performance limit apparatus and method
10/10/2013WO2013149743A1 Method for providing the clamping force generated by a parking brake
10/09/2013EP2648331A2 Power control device and method for power control
10/09/2013CN203233352U EPS DC motor drive circuit module
10/09/2013CN203233277U Motor speed and temperature controlling meter
10/09/2013CN103348583A Method and device for processing a motor signal
10/09/2013CN103348553A Charging an energy store
10/08/2013US8552669 Duty ratio control device, electric power tool and recording medium
10/08/2013US8550702 Calibrated airflow sensor facilitating monitoring of electronic system cooling
10/03/2013WO2013148642A1 Filter apparatus and method for brushless dc motors
10/03/2013US20130257331 Electric motor and electrical apparatus equipped with same
10/02/2013DE112011104313T5 Verlustarmes, geräuscharmes Motorsteuersystem Low loss, low noise motor control system
10/02/2013CN203225692U Direct current motor pulse width stepless speed regulator
10/02/2013CN103337881A Super capacitor energy storage driving device for workover rig
10/01/2013US8547045 Method and system controlling an electrical motor with temperature compensation
09/2013
09/26/2013WO2013139785A1 Method and device for controlling a motor vehicle windscreen wiper motor
09/26/2013WO2013097976A3 Method and device for controlling the position of an actuator of a positioning element
09/26/2013US20130253421 Motor health monitoring and medical device incorporating same
09/26/2013US20130249462 Driver Circuit And Driving Method
09/26/2013US20130249458 Universal control unit for brushed or brushless dc motor
09/26/2013DE102013203605A1 Universelle Steuerungseinheit für Bürstengleichstrommotoren oder bürstenlose Gleichstrommotoren Universal control unit for brushed DC motors or brushless DC motors
09/26/2013DE102012204492A1 Method for checking functional efficiency of e.g. coolant pump in closed cooling circuit of motor vehicle, involves evaluating functional efficiency based on comparison of drive torque of electric motor with reference values
09/25/2013CN203219232U Motor driver based on AT89S52 one-chip microcomputer
09/25/2013CN103326663A Control circuit of motor for cold storage and control method of motor
09/25/2013CN103326644A Control method for speed adjustment driving system of series motor
09/25/2013CN103326643A Universal control unit for brushed or brushless DC motor
09/25/2013CN103326642A Overall controlling device of vehicle window direct-current motor steering
09/25/2013CN103326452A Super-capacitor energy storage driving device of workover rig
09/25/2013CN103323081A Air flowmeter experiment table
09/24/2013US8542420 Image reading apparatus, image forming apparatus and method
09/19/2013US20130240808 Two speed direct drive drawworks
09/19/2013DE102012204152A1 Circuit device for actuating motor group of motor car to realize motorized seat adjustment in multiple directions, has switching units comprising semiconductor switching elements, and common leak resistor interconnected between terminals
09/18/2013EP2638631A1 Programmable motor and method
09/18/2013CN203206167U Pulse speed regulation circuit applicable to electric car
09/18/2013CN203206166U Current limit speed regulation circuit suitable for electric car
09/18/2013CN203206165U Brushless electromotor controlling device
09/18/2013CN203204444U Grinding wheel automatic production line motor light-operated servo controller
09/18/2013CN103306568A Circuit structure for controlling direct current motor of car window to rotate forwardly and reversely
09/18/2013CN102005990B H-bridge driving control circuit of motor
09/18/2013CN101542892B Electronically commutated motor and control system employing phase angle control of phase current
09/17/2013US8536819 Power supply device
09/17/2013US8535201 Method and strategy to detect the lock-up of planetary gear in power split hybrid vehicles
09/16/2013DE202013007186U1 Vorrichtung zum Steuern der Drehzahl eines Lüfters An apparatus for controlling the speed of a fan
09/12/2013DE102012213874A1 Verfahren und Schaltungsanordnung zur Begrenzung von Spitzenströmen sowie Steigung der Stromflanken Method and circuit for limiting peak currents and slope of the current edges
09/11/2013EP2636132A1 Voice coil motor and driving method thereof
09/11/2013CN203193563U A brushless DC motor electronic speed regulator based on STM32
09/11/2013CN103299383A Device and method for controlling a switch drive of an electric switch
09/11/2013CN103296949A Direct-current motor single chip microcomputer driving method and driving system thereof
09/11/2013CN103296948A Speed-regulating device of direct current motor
09/11/2013CN103296947A Motor driving circuit, motor driving method and application equipment of motor driving method
09/11/2013CN101855823B Circuit arrangement for a power tool
09/10/2013US8531148 Control apparatus and control method for AC electric motor
09/05/2013US20130229140 Regulating circuit and method for regulating rotary speed, data processing device, and program code
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