| 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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| 10/03/2001 | CN1316126A Emergency operation device for facility with electric motor | 
| 10/03/2001 | CN1315779A DC fan driving circuit | 
| 10/03/2001 | CN1315777A Coolant compressor | 
| 10/02/2001 | US6297608 Drive circuit for a speed automatically adjusted fan | 
| 10/02/2001 | US6297603 Circuit and method to avoid high current spikes in stator windings | 
| 10/02/2001 | CA2034375C Method and apparatus for controlling a blower motor in an air handling system to provide constant pressure | 
| 09/27/2001 | WO2001071741A1 Electric circuit breaker, as well as plant, use and method where such is used | 
| 09/27/2001 | DE10012799A1 Drehzahlsteuerbarer Drehstrommotor zum Betrieb an einem Frequenzumrichter Controllable speed AC motor for operation with a frequency converter | 
| 09/26/2001 | EP1137164A2 Electronically commutatable motor | 
| 09/26/2001 | EP1135852A1 A system for controlling a rotary device | 
| 09/26/2001 | EP1135850A1 Device for sensorless control of direct current brushless motors | 
| 09/26/2001 | CN1071957C Method and apparatus for controlling current in switched reluctance motor | 
| 09/26/2001 | CN1071956C Current control apparatus in switched reluctance motor | 
| 09/26/2001 | CN1071954C Semiconductor integrated circuit for motor control | 
| 09/25/2001 | US6295261 Method and apparatus for controlling revolution speed of spindle motor in optical disk drive | 
| 09/20/2001 | US20010022503 Driving device for three-phase brushless motor | 
| 09/20/2001 | US20010022473 Direct electrodynamic linear drive | 
| 09/20/2001 | DE10012084A1 Operating electronically commutated DC motor e.g for centrifugal pump in heating or cooling system, by varying frequency of pulse-width modulated signal based on temperature | 
| 09/20/2001 | DE10009780A1 Vorrichtung zum Ansteuern eines elektronisch kommutierten Leistungsmotors An apparatus for driving an electronically commutated motor performance | 
| 09/19/2001 | EP1134884A1 Method and device for following the rotation of DC electric motor | 
| 09/19/2001 | EP0938774B1 Method and apparatus for electronically commuting an electric motor | 
| 09/19/2001 | CN2449238Y Plug-in die for testing | 
| 09/18/2001 | US6291963 Drive circuit for motor/generator | 
| 09/18/2001 | US6291961 Disk drive apparatus and motor | 
| 09/18/2001 | US6291950 Motor drive system with variable gain | 
| 09/18/2001 | US6291949 Control of switched reluctance machines | 
| 09/13/2001 | DE10011406A1 Electronically commutatable motor monitors induced voltage null crossing after switching off current-carrying stimulation winding to derive commutation signal for next winding in cycle | 
| 09/12/2001 | EP1133050A2 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor | 
| 09/12/2001 | EP1133049A1 Pole-position detector of synchronous motor | 
| 09/12/2001 | CN1071066C PWM-containing apparatus, PWM controlling system and control method for multi-phase DC motor | 
| 09/12/2001 | CN1071062C Electric motor having electronic distribution structure | 
| 09/11/2001 | USRE37360 Electronic motor controls, laundry machines including such controls and/or methods of operating such controls | 
| 09/11/2001 | US6288515 System and method for controlling a surface-mounted permanent magnet synchronous machine drive over a wide speed range using a reference voltage | 
| 09/11/2001 | US6288514 Commutation method and apparatus for switched reluctance motor | 
| 09/11/2001 | US6288513 Rotor position detection in switched reluctance machines | 
| 09/06/2001 | US20010019249 Motor apparatus | 
| 09/06/2001 | DE10052726A1 Mehrmotoranordnung und Verfahren zu deren Steuerung More motor assembly and method for controlling same | 
| 09/06/2001 | DE10009900A1 Electrically commutated motor and method for controlling it using electronically switched single stator winding | 
| 09/06/2001 | DE10009813A1 Frequenzumrichter Frequency | 
| 09/05/2001 | EP1130761A2 A motor driving circuit, a method for driving a motor, and a semiconductor integrated circuit device | 
| 09/05/2001 | EP1130760A2 Frequency converter | 
| 09/05/2001 | EP1130757A1 Synchronous motor | 
| 09/05/2001 | EP1129519A2 Electronically commutated motor | 
| 09/05/2001 | CN1311916A Method for powering a polyphased electric motor with electric switching, and supply circuit for implementing same | 
| 09/05/2001 | CN1311559A Electric motor driving circuit, motor driving method and semiconductor integrated circuit | 
| 09/05/2001 | CN1070659C Sensorless motor driving circuit | 
| 09/05/2001 | CN1070658C electronic commutation type high-efficiency electric motor | 
| 09/04/2001 | US6285961 Procedure for determining the parameters for an electric drive controlling a synchronous elevator motor with permanent magnets | 
| 09/04/2001 | US6285149 Double sampled phase detector circuit | 
| 09/04/2001 | US6285146 Apparatus and method of regulating the speed of a brushless DC motor | 
| 08/30/2001 | US20010017529 Starting of synchronous machine without rotor position or speed measurement | 
| 08/30/2001 | DE10007120A1 Current regulation of permanent magnet excited synchronous motors for guided missiles involves deriving current vector, magnitude/angle corrections from measurement currents | 
| 08/29/2001 | EP1128543A2 Synchronous motor-control apparatus and vehicle using the control apparatus | 
| 08/29/2001 | CN1070318C Multifunctional non-brush permanent-magnet DC motor | 
| 08/28/2001 | US6281656 Synchronous motor control device electric motor vehicle control device and method of controlling synchronous motor | 
| 08/28/2001 | CA2247832C High-efficiency electric motor of electronic commutation type | 
| 08/23/2001 | US20010015633 PWM motor driving device | 
| 08/23/2001 | US20010015629 Structure of plural motor assembly and method for controlling the same | 
| 08/22/2001 | CN1309463A Motor device | 
| 08/21/2001 | US6278251 Permanent magnetically excited electrical rotary drive | 
| 08/21/2001 | US6278248 Brushless DC motor fan driven by an AC power source | 
| 08/21/2001 | US6278194 Stator generator for an internal combustion engine | 
| 08/16/2001 | WO2001059921A1 Arrangement for supplying a user, especially a d.c. motor, that consumes power in a non-continuous manner from a d.c. system | 
| 08/15/2001 | CN1069794C Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode | 
| 08/15/2001 | CN1069793C Electric motor | 
| 08/14/2001 | US6274992 Braking method for a single-phase motor | 
| 08/14/2001 | US6274991 Method and circuit configuration for detecting the rotational speed of electronically commutated fans | 
| 08/14/2001 | US6274953 System for preventing malfunction of a switching circuit for linear motor | 
| 08/14/2001 | CA2156166C Rotary low-frequency sound reproducing apparatus and method | 
| 08/14/2001 | CA2109068C Process for operating permanently excited single-phase alternating current machines | 
| 08/09/2001 | US20010011847 Electronically-commutated motor | 
| 08/09/2001 | DE10005419A1 Elektronisch kommutierter Elektromotor Electronically commutated electric motor | 
| 08/08/2001 | EP1121753A1 Method and device for controlling a brushless electric motor | 
| 08/08/2001 | EP1121740A1 Device for monitoring the measuring system of an electric drive | 
| 08/08/2001 | CN1307743A Constant-power brushless DC motor | 
| 08/08/2001 | CN1069462C Brushless dc motor that starts stably | 
| 08/07/2001 | US6271638 Brushless D. C. motor and control assembly | 
| 08/07/2001 | US6271609 Programmable electric motor and method of assembly | 
| 08/02/2001 | US20010010453 Brushless machine control | 
| 08/02/2001 | US20010010452 Rotor position monitoring of a reluctance drive | 
| 08/02/2001 | DE10054594A1 Vorrichtung zum Erfassen der Rotorposition in einem bürstenlosen Gleichstrommotor Device for detecting the rotor position in a brushless DC motor | 
| 08/01/2001 | CN1306690A Programmable electric motor and method of assembly | 
| 08/01/2001 | CN1306340A Device for detecting rotor position of brushless d.c. motor | 
| 08/01/2001 | CN1306339A 无刷电动机 Brushless motor | 
| 08/01/2001 | CN1306338A Driving system of brushless motor | 
| 07/26/2001 | WO2001052619A2 Load matched alternator system | 
| 07/26/2001 | US20010009360 Current limit circuit of inverter refrigerator | 
| 07/26/2001 | US20010009359 Magnetic-pole position detecting apparatus for a synchronous motor | 
| 07/26/2001 | US20010009357 Method and apparatus for improved transition from pulse width modulation to linear control | 
| 07/26/2001 | CA2393229A1 Load matched alternator system | 
| 07/25/2001 | EP1119097A1 Variable speed three-phase motor with electronic commutation | 
| 07/25/2001 | EP1118152A1 Electronically commutated motor | 
| 07/25/2001 | CN1305658A Method of minimizing errors in rotor angle estimate in synchronous machine | 
| 07/25/2001 | CN1069001C Motor controller for electronically commutated DC motors in order to compensate for torque drops | 
| 07/25/2001 | CN1069000C Controller of inverter for electric brushless DC motor | 
| 07/25/2001 | CN1068999C Method for controlling driving of brushless DC motor, and apparatus there for and electric machinery | 
| 07/24/2001 | US6265891 Apparatus for detecting a coil short circuit in an electric motor | 
| 07/24/2001 | US6265841 Device for driving a multi-phase d.c. motor | 
| 07/19/2001 | WO2001052384A1 Brushless dc motor | 
| 07/18/2001 | CN1068735C Velocity control apparatus adopting absolute angular position for rotating motor |