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)
11/2004
11/30/2004US6825627 Method for controlling the commutation of an electronically commutated motor
11/30/2004US6825625 Device with an electromotor
11/30/2004US6825624 Hill hold for electric vehicle
11/30/2004US6825622 Production line spindle control circuit employing a sinusoidal driver with back EMF control
11/30/2004CA2138831C Control for high speed operation of brushless permanent magnet motor
11/25/2004WO2004102784A1 Driving method of synchronous motor and carrier
11/25/2004WO2004101309A2 Precision adaptive motor control in cruise control system having various motor control schemes
11/25/2004US20040234402 Motor drive apparatus
11/25/2004US20040234394 Linear motor
11/25/2004US20040232862 Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same
11/25/2004DE10319557A1 Steuereinheit zur Ansteuerung eines Regeltransistors einer Lüfteranordnung Control unit for controlling a control transistor of a fan assembly
11/25/2004DE102004020044A1 Regelvorrichtung für einen Positioniermotor Control device for a positioning
11/25/2004CA2521971A1 Precision adaptive motor control in cruise control system having various motor control schemes
11/24/2004EP1480329A2 Motor control unit
11/24/2004EP1480326A1 Motor control method and its apparatus
11/24/2004EP1480311A2 Electric motor or generator
11/24/2004EP1479157A1 Method for the detection of abnormalities of electric motors
11/24/2004EP1020020B1 Method for the starting and steady-state supply of a permanent-magnet synchronous motor particularly for driving a hydraulic pump
11/24/2004CN1549442A Synchronous electric machine torque or speed controlling method specially for drive electric traction apparatus
11/24/2004CN1549430A Servo motor with a built-in drive circuit
11/23/2004US6822419 Speed control circuit for a DC brushless motor
11/23/2004US6822418 Position estimation and demagnetization detection of a permanent magnet motor
11/23/2004US6822416 Device for monitoring the measuring system of an electric drive
11/23/2004US6822406 Brushless motor driving circuit and portable terminal incorporating the same
11/23/2004US6822355 Electronically-commutated motor
11/18/2004WO2004100351A2 Method of controlling a polyphase, reversible rotating electrical machine for heat-engine motor vehicles
11/18/2004WO2004100350A1 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 drive device for permanent magnet electric motor, compressor exchange method, and freezing/air conditioning device
11/18/2004US20040228050 Use of unidirectional FET switches for motor electrical disengagement
11/18/2004US20040227485 Motor control apparatus
11/18/2004US20040227482 Driver of electric compressor
11/18/2004US20040227475 [noiseless driving circuit for dc motor]
11/18/2004DE202004010501U1 Control circuit for 2-phase brushless motor has protection circuit configured to inhibit counter electromagnetic force at coil end, control counter electromagnetic force, and absorb magnetic noise
11/17/2004EP1478086A2 Motor controller
11/17/2004EP0758500B1 Circuit for controlling an electric motor depending on the rotor position
11/17/2004CN1176520C Current type pulse width modulation tech. for brushless motor
11/16/2004US6819074 Apparatus and method of controlling a driving speed of a motor
11/16/2004US6819069 Arrangement with an electric motor
11/16/2004CA2138838C Motor control for brushless permanent magnet using three wires
11/11/2004US20040222779 Device and method for detecting rotor speed of a multiple phase motor with bipolar drive
11/11/2004US20040222765 Excitation of switched reluctance motors
11/11/2004US20040222764 Servo motor with a built-in drive circuit
11/11/2004US20040222763 Brushless dc motor applied to ac power
11/11/2004US20040222762 Precision adaptive motor control in cruise control system having various motor control schemes
11/11/2004US20040222761 Traction drive
11/11/2004US20040222758 Motor and disk drive apparatus
11/11/2004US20040222035 Electric power steering apparatus
11/11/2004DE10316878A1 Waschmaschine mit bürstenlos kommutierendem Antriebsmotor Washing machine with brushless drive motor kommutierendem
11/11/2004DE10316539A1 Schaltungsanordnung und Verfahren zur Ansteuerung eines bürstenlosen permanenterregten Gleichstrommotors Circuit arrangement and method for controlling a brushless permanent magnet DC motor,
11/10/2004EP1475883A2 Excitation of switched reluctance motors
11/09/2004US6815927 Air conditioning apparatus
11/09/2004US6815920 Motor driver and system with phase-spaced redundancy
11/09/2004US6815916 Speed-control drive circuit for a D.C. brushless fan motor
11/09/2004US6815914 Control method for light deflection device
11/09/2004US6815857 Electrical rotating machine having two rotors driven by means of compound current
11/09/2004US6815847 Linear motor
11/04/2004WO2004095684A1 Motor controlling device, compressor, air conditioner and refrigerator
11/04/2004WO2004059830A3 Rotor-position sensor assembly and method for detecting a rotor position
11/04/2004US20040218320 Motor control circuit overcurrent protection
11/04/2004US20040217730 Speed control circuit for a dc brushless motor
11/04/2004US20040217722 Electronic rotor pointing with high angular resolution
11/03/2004EP1473824A2 Control unit for driving a transistor controlled fan arrangement
11/03/2004EP1473823A2 Motor driving apparatus
11/03/2004EP1473179A2 Driver of electric compressor
11/03/2004EP1472783A1 Method for commutating an electronically commutated motor and motor for carrying out said method
11/03/2004CN1543056A Motor control device and method
11/03/2004CN1543054A Motor control device of pumping unit and lead-screw driving type pumping unit using the same
11/03/2004CN1542279A Driver of electric compressor
11/02/2004US6812667 Motor driver
11/02/2004US6812666 Current sense IC with circuitry for eliminating ripple current error from motor current measurement
11/02/2004US6812660 Apparatus for controlling brushless motor
11/02/2004US6812659 Apparatus for controlling brushless motor
11/02/2004US6810986 Electric power steering apparatus and control method therefor
11/02/2004CA2279540C Brushless dc motor control
10/2004
10/28/2004WO2004093302A2 Ac servo driver motor power line disconnection detection method
10/28/2004WO2004073157A3 Adaptive control architecture for electric machines
10/28/2004US20040213072 Boost capacitor layout technique for an H-bridge integrated circuit motor controller to ensure matching characteristics with that of the low-side switching devices of the bridge
10/28/2004US20040212359 Rotor position determination in a switched reluctance machine
10/28/2004US20040212340 Control device of a position control motor
10/28/2004US20040212337 Strapping machine weld motor control system
10/28/2004US20040212333 Motor control system, motor apparatus, vacuum pump, correction current value measuring apparatus, and motor control method
10/28/2004US20040212332 Apparatus and method used in disk drive for driving spindle motor
10/28/2004DE10315754A1 Determination of absolute rotor position in inverter-fed synchronous machine, by exciting harmonic oscillation using current-space vector and extracting characteristics from stator currents
10/27/2004EP1471629A2 Rotor position determination in a switched reluctance machine
10/27/2004EP1471628A2 Electronically commutated motor and method to drive the same
10/27/2004EP1471005A2 Strapping tool weld motor control system
10/27/2004EP1470988A1 Electric power steering apparatus
10/27/2004EP1062718B1 Electric motor or generator
10/27/2004CN1540388A 激光扫描单元 The laser scanning unit
10/27/2004CN1539709A Control system for welding motor of bundling tool
10/26/2004US6810292 Method for nonvolatile storage of at least one operating data value of an electrical motor, and electrical motor for said method
10/26/2004US6810202 Apparatus for controlling rotational speed of motor
10/26/2004US6809497 Drive unit for brushless fan motor and control method thereof
10/26/2004US6809496 Position sensor emulator for a synchronous motor/generator
10/26/2004US6809484 Multiple electronically commutated motor control apparatus and method
10/26/2004US6809434 Linear motor
10/21/2004WO2004091089A1 Motor-drive control device and electric power steering device using the same
10/21/2004WO2004091088A1 Circuit arrangement and method for controlling a brushless, permanently excited direct current motor
10/21/2004US20040207717 Laser scanning unit
10/21/2004US20040207385 Position detection
10/21/2004US20040207358 Control method and control device of permanent-magnet type synchronous motor