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)
11/2002
11/13/2002EP1257038A1 Compressor
11/13/2002CN1379542A Control method and control device of brushless motor
11/13/2002CN1379520A Motor control device and mixed type vehicle control device
11/12/2002US6479957 Integral motor and control
11/12/2002US6479956 Brushless motor control device and equipment using the control device
11/12/2002US6479955 Method of energizing a polyphase motor having an increased energy efficiency
11/07/2002US20020163319 Control apparatus for electric motor
11/07/2002DE10116814A1 Verfahren zur Ableitung des Polradlagewinkels Method for deriving the pole wheel position angle
11/07/2002DE10056879C1 Device and method for finding electrical starting rotor angle of an electric motor applies successive sinusoidal voltages to determine current pattern ratio
11/06/2002CN1378716A 压缩机 Compressor
11/06/2002CN1378335A Rotary speed control circuit with dynamic synchronous pulse width modulation
11/05/2002US6476576 Motor control apparatus
10/2002
10/31/2002WO2002087067A1 Electronic supply device for electronic-switching motors
10/31/2002WO2002087065A1 Motor controller
10/31/2002US20020159791 Systems and methods for reducing banding artifact in electrophotograhic devices using drum velocity control
10/31/2002US20020159354 Disk drive apparatus with spindle motor for rotating disk medium, storage system including the apparatus
10/31/2002US20020159184 Spindle motor driving method, spindle motor driving circuit, magnetic disk driving method, and magnetic disk device
10/31/2002US20020158600 Brushless-motor driver in PWM mode
10/31/2002US20020158598 Control method for servomotor in injection molding machine
10/31/2002US20020157408 Air conditioning systems and methods for operating the same
10/30/2002EP1253707A1 Method for controling an electronically commutated motor and a motor for performing such a method
10/30/2002EP1252704A2 Load matched alternator system
10/30/2002CN2519531Y Single phase motor having switching circuit
10/30/2002CN1377130A Driving device of electric machine without sensor
10/30/2002CN1377129A Coil driver with power supply tracking and over-voltage protecting function
10/30/2002CN1377128A Coil driver with power supply tracking and over-voltage protecting functions
10/29/2002US6473562 Method for low-speed operation of brushless DC motors
10/24/2002WO2002084849A1 Method and device for determining the rotational position of an electric induction machine
10/24/2002US20020153857 Driving device for synchronous motor
10/24/2002US20020153787 Electric motor having snap connection assembly method
10/24/2002DE10152427A1 Vorrichtung und Verfahren zum Erfassen von Anomalie in einer Positionserfassungsvorrichtung Apparatus and method for detecting abnormality in a position sensing device
10/23/2002EP1251386A2 Light deflection device with brushless motor
10/23/2002CN1375924A Brushless motor driving apparatus
10/22/2002US6469470 Motor drive circuit having a resistor circuit for sine wave generation
10/22/2002US6469463 Brushless motor and driving control device therefor
10/22/2002US6469461 Motor control apparatus
10/17/2002WO2002082630A1 Method for deriving rotor angular orientation
10/17/2002US20020152039 Apparatus and method for detecting abnomality in a position detection device
10/17/2002US20020149342 Electric motor controller
10/17/2002US20020149341 Method and system for measuring a parameter of motor operation
10/17/2002US20020149336 Method and system for improving efficiency of rotating, synchronous, electrical machine interacting with power converter
10/17/2002US20020149335 Rotor angle detecting apparatus for DC brushless motors
10/17/2002US20020149330 Motor control apparatus
10/17/2002DE10118052A1 Rotary position detection in brushless 3-phase electrical machine, involves generating signal curves for 2 sensor elements shifted by electrical angle from periodic magnetic reversal of sensor elements
10/17/2002DE10117252A1 Elektronisch kommutierter Elektromotor Electronically commutated electric motor
10/17/2002DE10115873A1 Verfahren zur Steuerung eines elektronisch kommutierten Gleichstrommotors Method for controlling an electronically commutated direct current motor
10/16/2002CN2517170Y Electronic machine controller given signal control device
10/16/2002CN1375124A Initial magnetic pole estimating device for AC synchronous motor
10/16/2002CN1374752A 电动机控制装置 Motor control means
10/16/2002CN1374751A Starting control method and control apparatus for synchronous motor and its application
10/16/2002CN1092863C Control circuit with multi sensors
10/15/2002US6465975 Method and system for controlling torque in permanent magnet brushless electric motors
10/15/2002US6465973 Permanent magnet 2-phase DC brushless motor
10/10/2002WO2002080348A1 Method for controlling an electronically commutated dc motor
10/10/2002US20020147530 Control apparatus for electric motor and control apparatus for hybrid vehicle
10/10/2002US20020145401 Motor driver circuit and method of controlling the motor driver circuit
10/10/2002US20020145397 Electronically commutated electric motor
10/10/2002US20020145344 Brushless motor, control method for brushless motor, light deflection device, and control method for light deflection device
10/10/2002DE10206156A1 Motorregelungsvorrichtung Motor control device
10/09/2002EP1248358A1 Electronically commutated electric motor
10/09/2002EP1247687A2 Control apparatus for electric motor and control apparatus for hybrid vehicle
10/09/2002EP0978038B1 Device for monitoring a microprocessor
10/09/2002EP0858623B1 Motor controlled surgical system
10/09/2002CN1373926A State advance controller commutation loop for brushless DC motor
10/09/2002CN1092263C 洗衣机 Washing machine
10/08/2002US6463546 Method and apparatus for monitoring a microprocessor
10/08/2002US6462496 Current mode approach to spindle motor current control and rotor position sense
10/08/2002US6462495 Controlling a brushless DC motor
10/08/2002US6462492 Position-sensorless controlling method of synchronous motor
10/03/2002WO2002078168A1 Method of detecting motor current and motor control device
10/03/2002WO2002078167A1 Method for estimating magnetic polar position of synchronous motor and its controller
10/03/2002WO2002078166A1 Controller for permanent magnet motor
10/03/2002WO2002031957A3 Motor controller with position detector
10/03/2002US20020140395 Brushless motor control method and controller
10/03/2002US20020140391 Method and apparatus for controlling spindle motor to match plural modes of operation in a disk drive
10/02/2002EP1246355A2 Apparatus for driving sensorless motor
10/02/2002DE10209802A1 Banderscheinungsartefaktereduzierung bei elektrophotographischen Geräten unter Verwendung von Trommelgeschwindigkeitssteuerung Banding artifacts reduction in electrophotographic devices using drum speed controller
10/01/2002US6459230 Method and system for measuring a parameter of motor operation
10/01/2002US6459225 Servo-control apparatus for motor
10/01/2002US6459224 Zone control method in roller conveyor and zone controller
10/01/2002US6459221 Method for powering a polyphased electric motor with electronic switching, and supply circuit for implementing same
10/01/2002US6459220 Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device
09/2002
09/26/2002WO2002054573A3 Vibration motor and apparatus using the same
09/26/2002DE10208771A1 Anpassungsfähige synchrone Gleichstromlüftergeschwindigkeitssteuerung Adaptive synchronous DC fan speed control
09/26/2002DE10206410A1 Rotor angle detection apparatus for brushless DC motor, determines sine and cosine reference value from current values detected by current detectors connected to three phase armature, for calculating rotor angle
09/25/2002EP0907878B1 Apparatus and method for processing signals obtained from a position encoder
09/25/2002CN1371165A Method of reducing torque ripple of switching reluctance motor
09/24/2002US6456808 Systems and methods for reducing banding artifact in electrophotographic devices using drum velocity control
09/24/2002US6456514 Alternator jump charging system
09/24/2002US6456032 Method for controlling a motor roller
09/24/2002US6456030 Synchronous motor control device, electric motor vehicle control device and method of controlling synchronous motor
09/24/2002US6456024 Electronically commutated DC motor
09/24/2002US6456023 Method and apparatus to control a variable speed motor
09/19/2002WO2002073788A1 Magnetic motor
09/19/2002US20020130631 Device for disconnecting a neutral point of a motor
09/18/2002EP1241770A1 Permanent magnet motor with microprocessor control
09/18/2002EP1241073A2 Electric power steering apparatus
09/18/2002EP1240710A1 Method for determining angular position of a permanent magnet rotor of a polyphase electric motor
09/18/2002EP0991179B1 Method of inferring initial pole position of permanent magnet brushless motor
09/18/2002CN2512161Y A.C./D.C. compatible converter controller for air-conditioner