Patents
Patents for H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185)
11/2008
11/27/2008DE102008001562A1 Motoransteuervorrichtung und Motoransteuer-Steuerverfahren Motor driving and motor drive control method
11/26/2008EP1995865A1 Method for controlling an ac electronic motor and device for carrying out said method
11/26/2008EP1995855A2 Electric motor, power apparatus using the same, and self-propelled snow remover
11/26/2008EP1706775B1 System and method for optimizing character marking performance
11/26/2008EP1504523B1 Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine
11/26/2008EP1064717B1 Method and circuit for measuring the rotation speed of electronically switched fans
11/26/2008CN101313460A Motor drive circuit and cooling system using same
11/26/2008CN101312335A Motor drive apparatus and motor drive control method
11/26/2008CN101312334A Control circuit and method for motor without sensor
11/26/2008CN101311024A Electric motor cycle super capacitance and accumulator composite supply control system
11/26/2008CN100438322C Voltage modulation device for controlling electric vehicle motor
11/26/2008CN100438310C Drive and brake modes of micro motor in a portable type electronic product
11/26/2008CN100438309C Phase adjustment circuit, motor driving control circuit, and motor apparatus
11/26/2008CN100438279C Composite excitation permanent magnet synchronous variable-speed motor
11/26/2008CN100436823C Compressor internal state estimating device and air conditioner
11/25/2008US7454985 Method and device for determining the hydraulic flow rate in a pump driven by a synchronous electric motor
11/20/2008WO2008139922A1 Power factor improving circuit, motor drive device, and air conditioner
11/20/2008WO2008139178A1 Current measuring apparatus for use with electric motors
11/20/2008US20080284367 Power Converter
11/20/2008US20080284359 Oscillation device, optical deflection apparatus, and drive-signal generating method
11/20/2008DE19533076B4 Steuerschaltung für einen bürstenlosen Synchron-Elektromotor Control circuit for a brushless synchronous electric motor
11/19/2008CN201153244Y Motor drive and motor drive of washing machine drier
11/19/2008CN101309060A Fan motor driving circuit, driving method, cooling device and computer
11/19/2008CN100435475C Motor driving apparatus
11/19/2008CN100435474C Method for driving ec electromotor
11/19/2008CN100435473C Motor driving circuit
11/19/2008CN100435472C Operation of an electrical machine and system thereof
11/19/2008CN100435471C Electric refrigerator controlling device
11/18/2008US7453222 Sun roof drive device
11/18/2008US7453221 System for controlling rotation of a disk drive
11/18/2008CA2339933C Arrangement with an electric motor
11/13/2008WO2008136212A1 Motor drive
11/13/2008WO2008135520A2 An electric motor and the control method thereof
11/13/2008US20080278108 Motor and method for controlling operation of motor
11/13/2008US20080278102 Rotary electric system designed to utilize zero-phase circuit
11/13/2008US20080278101 Control systems and methods for permanent magnet rotating machines
11/13/2008DE19927851B4 Verfahren zum Überwachen eines Drehwinkelaufnehmers an einer elektrischen Maschine Method for monitoring a rotational angle sensor to an electrical machine
11/13/2008DE102008020786A1 Feldschwächungs-Steuervorrichtung für Permanentmagnetmotor und elektrische Servolenkung, die diese verwendet Field weakening control apparatus for a permanent magnet motor and the electric power steering apparatus that uses this
11/13/2008DE102008013799A1 Verfahren und System zur Steuerung von Permanentmagnet-AC-Maschinen Method and system for control of permanent magnet AC machines
11/13/2008DE102007020943A1 Electronically commutated direct current motor for use in e.g. electromechanical servo steering system, in vehicle engineering, has feedback unit working between stator and rotor to obtain rotor turning information based on output signals
11/12/2008EP1990896A1 Motor-equipped vehicle
11/12/2008EP1645032B1 Sensorless control method and apparatus for a motor drive system
11/12/2008CN101304229A Driving device for electric machine
11/12/2008CN100433538C Drive circuit of PWM motor
11/12/2008CN100433534C Non-sensor motor control circuit without mask program
11/12/2008CN100433533C Driving method and device for permanent magnetic motor rotor
11/12/2008CN100433532C Operation controlling method for brushless DC motor of washing machine
11/12/2008CN100433531C Movable roof drive device
11/11/2008US7451001 Method and system of controlling lighting fixture
11/11/2008US7449853 High power, low noise interconnection for an integrated dual wound motor to a dual inverter
11/11/2008US7448383 Air assistance apparatus providing fast rise and fall of pressure within one patient's breath
11/06/2008WO2008097749A3 Variable speed drive with integral bypass contactor
11/06/2008US20080272725 Load Monitor
11/06/2008US20080272722 Brushless direct current motor driving circuit
11/06/2008US20080272721 Control of a brushless electrical machine
11/06/2008US20080272720 Accurate motor speed control
11/06/2008DE102007020902A1 Two-stranded, two-pulsed electronically commutated motors synchronous running controlling method, involves simultaneously commutating current in all stator windings by current feeding arrangement i.e. n-channel MOSFET
11/06/2008DE102007017285A1 Method for monitoring three-phase machine, involves supplying input parameters of converter unit, where one of these input parameters is commutating angle of three-phase machine to be operated
11/05/2008EP1988627A2 Control of a brushless electrical machine
11/05/2008EP1987584A2 Drive device for an adjusting device for adjusting a vehicle part and method for operating a drive device
11/05/2008CN101300731A Motor driving device
11/05/2008CN101299586A Non-velocity transducer inverse control variable frequency speed regulator of permanent magnetism synchronous machine and construction method
11/05/2008CN101299585A Method and system for resolver alignment in electric motor system
11/05/2008CN101299584A Method and apparatus to determine rotational position of an electrical machine
11/05/2008CN101299583A Control of a brushless electrical machine
11/05/2008CN101299582A Accurate motor speed control
11/05/2008CN101299579A Method for controlling a reluctance motor
11/05/2008CN101299565A Magnetic induction type electric journey tubular electric machine
11/05/2008CN100431257C Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine
11/05/2008CN100431256C Fault diagnosis and fault-tolerant control method for brushless motor position signal
11/04/2008US7446493 Control methodologies for a motor control module
10/2008
10/30/2008WO2008130998A2 Powered surgical system
10/30/2008WO2008129904A1 Controller for motor
10/30/2008WO2008129899A1 Motor controller and electric tool using the same
10/30/2008WO2008129898A1 Motor controller and electric tool
10/30/2008WO2008129747A1 Motor control circuit, fan motor, electronic equipment and notebook-sized personal computer
10/30/2008US20080265817 Sensorless speed detection during zero vector
10/30/2008US20080265816 Brushless electric machine
10/30/2008US20080265808 Motor Drive Voltage-Boost Control
10/30/2008US20080265807 Linear Motor and Transducer Arrangement Therefor
10/30/2008DE102008018243A1 Bürstenlose Motorantriebsvorrichtung und Fluidpumpe Brushless motor drive apparatus and fluid pump
10/29/2008EP1985008A1 Motor drive device and control method thereof
10/29/2008EP1985006A2 Method and device for determining the torque of an electric machine
10/29/2008CN201142660Y Motor control device
10/29/2008CN201142659Y Double-H bridge structure of permanent-magnet motor frequency conversion controller
10/29/2008CN201142658Y Motor drive device of washing and drying machine
10/29/2008CN101295955A Motor control device
10/29/2008CN101295954A Torque estimator for IPM motors
10/29/2008CN101295953A Field weakening control apparatus for permanent magnet motor and electric power steering using same
10/29/2008CN101295937A Inverter apparatus and a semiconductor device used for the same
10/29/2008CN101295908A Brushless electric machine
10/28/2008US7444070 Fan motor with digital controller for applying substantially constant driving current
10/28/2008US7443130 Motor driving control device
10/28/2008US7443128 Method and device for controlling motors
10/28/2008US7443126 Controller for synchronous machine
10/28/2008US7443120 Field weakening vector controller for permanent magnet synchronous motor and control module
10/28/2008US7443119 Circuit and method for controlling the rotating speed of a BLDC motor
10/28/2008US7443118 Method and device for triggering an electric motor
10/28/2008US7443117 Control apparatus for electric vehicles
10/23/2008WO2008126545A1 Fan motor controller and fan motor control method
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