| 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) |
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| 04/17/2002 | CN1345058A Magnetic disk machine |
| 04/16/2002 | US6373728 Frequency converter with an intermediate buck-boost converter for controlling an electric motor |
| 04/16/2002 | US6373219 Motor control system and motor control method |
| 04/16/2002 | US6373211 Extended speed range operation of permanent magnet brushless machines using optimal phase angle control in the voltage mode operation |
| 04/10/2002 | EP1195611A1 Sensor for sensing rotating state of synchronous machine and method of sensing rotating state of synchronous machine |
| 04/10/2002 | EP1194998A1 Method and apparatus for controlling brushless dc motors, in particular in implantable medical devices |
| 04/10/2002 | CN1082745C 永磁无刷电动机初始磁极位置的推断方法 Inference method of permanent magnet brushless motor initial magnetic pole position |
| 04/10/2002 | CN1082744C Drive method of brushless D.C. motor and its driving circuit |
| 04/09/2002 | US6369541 Rotary position sensing during rotor acceleration in an electric motor |
| 04/09/2002 | US6369538 Method for braking a washing machine |
| 04/09/2002 | US6369536 Methods and apparatus for selecting an electronically commutated motor speed |
| 04/09/2002 | US6369535 Method and apparatus for current shaping in electronically commutated motors |
| 04/09/2002 | US6369534 Circuit and method for detecting backward spin of a spindle motor for a disk drive |
| 04/04/2002 | WO2002027912A2 Bldc motor noise reduction using constant bus current control commutation |
| 04/04/2002 | WO2001076057A3 Cooling module incorporating communication port and related circuits |
| 04/04/2002 | US20020040259 Washing pattern determination apparatus and method for the same |
| 04/04/2002 | US20020039014 Drive unit for brushless fan motor and control method thereof |
| 04/04/2002 | US20020039013 Drive unit for brushless motor |
| 04/04/2002 | US20020039009 Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device |
| 04/03/2002 | EP1193854A1 Motor control apparatus and control method |
| 04/03/2002 | CN2484694Y Converter controlling apparatus |
| 04/03/2002 | CN1343038A Control method of bridge electric transverter |
| 04/02/2002 | US6366077 Apparatus and method for detecting the rate of rotation of DC spindle motor |
| 04/02/2002 | US6366043 Dynamic torque reference limiting in torque-controlled permanent magnet motor drives |
| 04/02/2002 | US6366038 Method and circuit for generating a pulse-width modulated actuating signal for a direct current actuator |
| 04/02/2002 | US6366037 Separately excited electric machine |
| 03/28/2002 | WO2002025216A1 Rotational position detector and motor equipped with rotational position detector |
| 03/28/2002 | WO2001052619A3 Load matched alternator system |
| 03/28/2002 | WO2000079671A8 Linear motor |
| 03/28/2002 | US20020037163 BLDC motor noise reduction using constant bus current control communication |
| 03/28/2002 | DE10141124A1 DC machine has controlable current limiting arrangement controled by current demand signal to limit current in machine by modifying timing signal determining bridge switch duty cycle |
| 03/27/2002 | EP1191677A1 Brushless direct current motor having supervised rotor position feedback |
| 03/27/2002 | EP0864197B1 Method of determining the initial rotor position of a synchronous motor |
| 03/27/2002 | CN1081741C Mixed type vehicular motor controller |
| 03/26/2002 | US6362592 Method and device for driving brushless motors either with independently coupled windings or with star or polygon pre-connected windings using the same I.C. |
| 03/26/2002 | US6362590 Starting of synchronous machine without rotor position or speed measurement |
| 03/26/2002 | US6362586 Method and device for optimal torque control of a permanent magnet synchronous motor over an extended speed range |
| 03/26/2002 | US6362583 Control unit for a brushless motor and read/write device including such a control unit |
| 03/26/2002 | US6362582 Electronically commutated motor |
| 03/26/2002 | US6362581 Device and method for starting a brushless motor |
| 03/21/2002 | WO2002023736A1 Current sense ic |
| 03/21/2002 | WO2002023298A1 Process and device for flow control of an electrical motor fan |
| 03/21/2002 | US20020033716 Current zero crossing detecting circuit |
| 03/21/2002 | US20020033688 Start procedure for brushless motors |
| 03/21/2002 | US20020033686 Electrical drive with motor identification, and a method for motor identification |
| 03/21/2002 | US20020033684 Method for the commutation of a polyphase permanent magnet motor |
| 03/21/2002 | US20020033682 Motor driving apparatus |
| 03/21/2002 | DE10045291A1 Starting permanently stimulated electric motor involves detecting ambient and/or motor or magnet temperature, delaying start-up below predefined temperature threshold, and pre-heating motor |
| 03/21/2002 | DE10041606A1 Elektromotorischer Antrieb und Verfahren zum Betreiben eines elektronisch kommutierten Elektromotors Electric motor drive and method for operating an electronically commutated electric motor |
| 03/20/2002 | EP1189335A2 Control circuit and apparatus of brush-less motor and vacuum pump |
| 03/20/2002 | EP1189334A2 Inverter control circuit of motor-driven blower for electric vacuum cleaner, drive control circuit using the same, and electric vacuum cleaner using drive control circuit |
| 03/20/2002 | EP1188221A1 Linear motor |
| 03/20/2002 | EP1060560A4 Motor conroller |
| 03/19/2002 | USRE37589 Collectorless direct current motor, driver circuit for a drive and method of operating a collectorless direct current motor |
| 03/19/2002 | US6359503 Basic cell for programmable analog time-continuous filter |
| 03/19/2002 | US6359412 Commutation apparatus and method for a four state sensorless switched reluctance machine system utilizing machine winding current sensing |
| 03/14/2002 | WO2002021676A1 Apparatus and method for controlling an electric motor |
| 03/14/2002 | WO2002021675A2 A method of controlling an electric motor, a system for controlling an electric motor and an electric motor |
| 03/14/2002 | WO2002020332A1 Method and apparatus for torque control of a machine |
| 03/14/2002 | WO2002020293A2 Torque ripple free electric power steering |
| 03/14/2002 | WO2001028081A3 Single board motor controller |
| 03/14/2002 | US20020030488 Method of detecting an absolute rotational position of a motor shaft |
| 03/14/2002 | US20020030464 Drive controller for brushless motors |
| 03/14/2002 | US20020030463 Apparatus and method for controlling rotation speed of rotor of brushless motor |
| 03/14/2002 | US20020030462 Apparatus and method for driving a brushless motor |
| 03/14/2002 | DE10141127A1 Fan arrangement has control program that feeds pulsed d.c. current to motor in fan's working revolution rate range so essentially constant current exists in motor in working range |
| 03/14/2002 | DE10043934A1 Control module for static frequency changer or converter bridge for commutation of electric motor currents has pulse source providing switching pulses for series switches in each converter path dependent on rotor position |
| 03/13/2002 | EP1187306A2 Apparatus and method for controlling rotation speed of rotor of brushless motor |
| 03/13/2002 | CN1340235A Brushless motor and drive controller therefor |
| 03/13/2002 | CN1339868A Pulse width regulating method and device independent from voltage |
| 03/13/2002 | CN1080950C Sensorless control method and apparatus of permanent magnet synchronous motor |
| 03/13/2002 | CN1080863C A compressor control circuit |
| 03/12/2002 | USRE37576 Single phase motor with positive torque parking positions |
| 03/12/2002 | US6356048 Method and device for controlling electric motors of the brushless direct-current type, particularly for moving the weft winding arm in weft feeders for weaving looms |
| 03/12/2002 | US6356043 Motor controller power switch arrangement |
| 03/12/2002 | US6354396 Electric power assisted steering systems |
| 03/07/2002 | WO2002019512A1 Method for controlling or regulating the current in a direct current machine for a fan |
| 03/07/2002 | WO2002019511A1 Fan arrangement |
| 03/07/2002 | WO2002019510A1 Direct current machine with a controllable arrangement for limiting current |
| 03/07/2002 | US20020027423 Method and circuit for driving a brushless dc motor to reduce low acoustic noise |
| 03/07/2002 | DE10040440A1 Verfahren und Vorrichtung zur Drehzahlregelung von DC-Lüftern Method and apparatus for speed control of DC fans |
| 03/06/2002 | EP1183772A1 Method for configuring the alarm device of an electrical motor and motor for implementing said method |
| 03/05/2002 | US6353302 Speed computation function for induction motor/blower systems control algorithm |
| 03/05/2002 | US6353299 Control algorithm for brushless DC motor/blower system |
| 02/28/2002 | WO2002017473A1 Method and device for controlling the rotation speed of dc ventilators |
| 02/28/2002 | WO2002017468A2 Dc voltage level shifter |
| 02/28/2002 | US20020024757 Disk drive capable of easily switching between rotational driving units of different mechanisms |
| 02/28/2002 | US20020024399 Voltage independent PWM base frequency generating method |
| 02/28/2002 | US20020024305 Method for synchronizing a plurality of brushless motors in an elevating device |
| 02/28/2002 | DE10037968A1 Electric drive e.g. for machine tool, has integrated autonomous motor identification arrangement, especially digital unit in form of non-volatile memory in motor, especially in primary part or in active part |
| 02/27/2002 | EP1182770A2 Electromotive drive and method for operating of an electronic commutated electric motor |
| 02/27/2002 | EP1181766A1 Starting procedure of open-loop vector control in synchronous machine |
| 02/27/2002 | EP1181757A1 Method for operating an electric motor, and an electric motor for carrying out such a method |
| 02/27/2002 | EP1181628A1 Method for nonvolatile storage of at least one operating data value of an electrical motor and electrical motor for said method |
| 02/27/2002 | EP0914288B1 Procedure for determining the parameters for an electric drive controlling a synchronous elevator motor with permanent magnets |
| 02/27/2002 | CN1080024C Method and apparatus for electronically commuting electric motor |
| 02/27/2002 | CN1079718C Grinding machine |
| 02/26/2002 | US6351091 Electronically commutatable motor |
| 02/26/2002 | US6351048 Electrical rotary drive |
| 02/21/2002 | WO2001045248A8 Method for determining angular position of a permanent magnet rotor of a polyphase electric motor |