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