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)
12/2005
12/15/2005WO2005119898A2 Brushless dc-motor
12/15/2005US20050275358 Protective circuit for reducing electrical disturbances during operation of a DC motor
12/14/2005EP1605578A1 Motor control device
12/14/2005EP1605458A2 Motor particularly for a disk drive apparatus
12/14/2005EP1605457A2 Disk drive apparatus
12/14/2005EP1604452A1 Rotating electrical machine
12/14/2005CN1708895A Sensor system and method for vector control
12/14/2005CN1232026C Apparatus and method for driving motor
12/13/2005US6975946 Reactive power optimization with adaptive excitation control
12/13/2005US6975082 Variable speed drive with a synchronous electric motor
12/13/2005US6973992 Electric power steering apparatus
12/08/2005WO2005117249A1 Brushless motor drive control circuit and brushless motor device using the same
12/08/2005WO2005117246A2 Method and device for determining the mechanical load of an alternating current synchronous electric motor with a permanent magnet rotor
12/08/2005WO2005116587A1 Noise reduction in digital hall sensors for position detection in motors
12/08/2005US20050269985 Driving a single-phase motor
12/08/2005US20050269982 Motor drive control
12/08/2005US20050268631 Apparatus for driving a compressor and a refrigerating air conditioner
12/08/2005DE10205886B4 Elektrisches Servolenk-Steuer- bzw. Regelsystem und Regelverfahren hierfür The electric power steering control system and control method therefor
12/08/2005DE102005019515A1 Method of measuring the rotational speed of electronically commutated motors corrects the rotation speed signal by compensating for the influence of tolerances
12/07/2005EP1602172A1 Switching device, anti-friction bearing and electric motor using one such device
12/07/2005EP1602170A2 Excitation circuit and control method for flux switching motor
12/07/2005EP0989664B1 Driving device for three-phase brushless motor
12/07/2005CN1706095A Motor driver
12/07/2005CN1706093A Method for providing energy saving service, method for deciding specification of electric motor, method for providing compressor version-up service, method for providing energy saving service using dr
12/07/2005CN1705220A Low-noise DC motor drive chip
12/07/2005CN1230975C Single-phase switch reluctance machine stopping device
12/07/2005CN1230974C Device and method for control of motor transmission of weaving machine
12/06/2005US6972537 Electric power steering apparatus
12/06/2005US6971473 Steering system for vehicle
12/06/2005CA2459115C Rotary electric motor having controller and power supply integrated therein
12/01/2005WO2005114828A1 Rotation control apparatus and method, and electronic device wherein the rotation control apparatus can be used
12/01/2005DE102005020737A1 Method of determining the rotational direction of an electronically commutated motor determines the course of the induced voltage by measuring characteristics at at least two positions
12/01/2005DE102005020736A1 Electronically commutated motor starting method for fan, involves controlling electrical energy to motor such that motor does not overcome braking portion, when motor starts in direction opposite to preferred rotation direction
12/01/2005DE102005017074A1 Verfahren zur Steuerung von magnetisch bedingtem Geräusch von rotierenden Wechselstrommaschinen Method for controlling magnetically-induced noise of rotating AC machines
11/2005
11/30/2005EP1601095A1 Method for starting an electronically commutated two-pulse motor
11/30/2005EP1601093A1 Inverter with detection of welding of relay contacts
11/30/2005EP1219017B1 Electronically switchable motor with overload protection
11/30/2005CN1703826A Motor control method and device thereof
11/30/2005CN1702940A Electric motor, drive unit and actuating device
11/29/2005US6970093 Method for configuring the alarm device of an electrical motor and motor for implementing said method
11/29/2005US6969963 PWM controlled motor drive
11/29/2005US6969962 DC motor drive circuit
11/24/2005US20050258793 Apparatus for controlling power factor compensation in inverter control circuit and method thereof
11/24/2005US20050258789 Method and apparatus for driving a brushless DC motor
11/24/2005US20050258788 Motor driving apparatus
11/24/2005DE10315754B4 Verfahren und Vorrichtung zur Bestimmung der Rotorposition bei Synchronmaschinen mit Lagegeber ohne Absolutinformation Method and apparatus for determining the rotor position in synchronous machines with position encoders without absolute information
11/24/2005DE102005017073A1 Steuerverfahren für magnetisch bedingte Geräusche von rotierenden Wechselstrommaschinen Control method for magnetically induced noise of rotating ac machines
11/24/2005DE102004019004A1 Verfahren zur Ansteuerung eines bürstenlosen Elektromotors A method for controlling a brushless electric motor
11/23/2005EP1598925A2 Apparatus for controlling power factor compensation in inverter control circuit and method thereof
11/23/2005EP1597818A2 Method and apparatus for adjustment of the rotor angle of an elevator motor
11/23/2005EP1597817A2 A motor control circuit for brushless direct current motors
11/23/2005EP1597816A1 Method for effecting the power-optimal control of bldc motors
11/23/2005EP1216498B1 Method for controlling and protecting electric motors and system for controlling for an electric motor
11/23/2005CN1701502A Inverter apparatus
11/23/2005CN1700588A Motor driving apparatus
11/23/2005CN1700587A Sensor-free electric vehicle brushless DC machine control device with built-in D/A converter
11/23/2005CN1700586A Brushless DC machine double-drive single-chip microcomputer PWM control device with sensor
11/23/2005CN1700585A Brushless DC machine double-drive single-chip microcomputer PWM control device with sensor
11/23/2005CN1700584A Brushless DC machine double-drive single-chip microcomputer control device with built-in A/D converter
11/23/2005CN1700583A Brushless DC machine double-drive single-chip microcomputer control device with external A/D converter
11/23/2005CN1700130A Apparatus for controlling power factor compensation in inverter control circuit and method thereof
11/23/2005CN1699665A Controlling device of sewing machine electromotor and its controlling method
11/23/2005CN1228913C Washing machine
11/23/2005CN1228912C Motor driving apparatus and motor using the same
11/22/2005US6967461 North-south pole determination for carrier injection sensorless position sensing systems
11/22/2005US6967459 Method for controlling or regulating the current in a direct current machine for a fan
11/17/2005US20050254799 Brushless dc fan motor
11/17/2005US20050254275 Inverter device and inverter module
11/17/2005US20050253546 Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method
11/17/2005US20050253545 Method of starting an electronically commutated motor
11/17/2005US20050253541 Method for measuring the rotational speed of an EC motor
11/16/2005EP1596495A2 Method for sensorless operation of an electronically commutated motor, and motor for carrying out such a method
11/16/2005EP1596494A2 AC rotating electric machine control method and electrical power train system
11/16/2005EP1596493A1 Method for measuring the speed of an electronically commutated motor
11/16/2005EP1596491A2 Damping control in a three-phase motor with a single current sensor
11/16/2005EP1135852A4 A system for controlling a rotary device
11/10/2005US20050248306 Permanent magnet synchronous motor and controller therefor
11/10/2005US20050248305 Method, system, and program product for feedback control of a target system utilizing imposition of a periodic modulating signal onto a command signal
11/10/2005US20050247073 Driver of compressor and refrigerator
11/10/2005DE102004019284A1 Vorrichtung zum Betrieb eines Synchronmotors Device for operating a synchronous motor
11/10/2005DE102004019003A1 Brushless fan motor operating method, involves directly or indirectly regulating number of revolutions of motor by governor, and evaluating output signal of governor if signal reaches preset threshold that is longer than regulation period
11/09/2005EP1405398A4 Torque ripple free electric power steering
11/09/2005CN1226822C Intelligent tube motor
11/03/2005WO2005104344A1 Rotor driving control device and image forming apparatus
11/03/2005US20050242765 Motor drive apparatus and electric power steering apparatus
11/03/2005US20050242761 Driving circuit for a dc brushless fan motor
11/03/2005US20050242760 Motor temperature estimator and motor controller
11/03/2005US20050242759 AC rotating electric machine control method and electrical power train system
11/03/2005US20050241875 Control device of electric power steering apparatus
11/03/2005DE102004018767A1 Control circuit for the operation of electrical DC brushless machines and in particular as motors
11/02/2005EP1591347A2 Motor drive apparatus and electric power steering apparatus
11/02/2005EP1591300A1 Control device of electric power steering apparatus
11/02/2005CN1692548A Motor control device
11/02/2005CN1691490A Brushless DC motor driver
11/02/2005CN1690294A Washing machine
11/02/2005CN1225583C 洗衣机 Washing machine
11/01/2005US6960928 Electromagnetic coupling based motor plug detect system and method
11/01/2005US6960898 Control unit for controlling a synchronous motor
10/2005
10/27/2005WO2005101644A1 Motor drive
10/27/2005WO2005101643A1 Motor controller