| 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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| 09/18/2003 | US20030175124 Fan arrangement |
| 09/18/2003 | US20030175018 Monitoring current in a motor during acceleration to verify motor frequency lock |
| 09/18/2003 | US20030175017 DC motor constant speed PWM control |
| 09/18/2003 | US20030174456 Pre-drive circuit for brushless DC single-phase motor |
| 09/18/2003 | US20030173972 Method for detecting the position of a rotor of a DC motor and related circuit |
| 09/18/2003 | US20030173930 Rotation speed search apparatus for induction motor and method thereof |
| 09/18/2003 | US20030173927 Motor drive circuit and method with frequency setting and correcting functions |
| 09/18/2003 | US20030173922 D.c. motor bridge coil driver |
| 09/18/2003 | US20030173921 Motor control device |
| 09/18/2003 | US20030173855 Commutation of sensorless direct-current motors |
| 09/18/2003 | US20030173850 Brushless dc drive |
| 09/18/2003 | US20030173782 Method for deriving rotor angular orientation |
| 09/18/2003 | DE20309657U1 Brushless DC motor has two hall sensors to detect running condition and transmit information to a computer |
| 09/17/2003 | EP1344301A1 Brushless dc motor sensor control system and method |
| 09/16/2003 | US6621242 Motor speed control circuit having a synchronous PWM signal |
| 09/16/2003 | CA2117817C Brushless motor |
| 09/11/2003 | US20030169015 Flux position identifier using high frequency injection with the presence of a rich harmonic spectrum in a responding signal |
| 09/11/2003 | US20030169012 Method of controlling a motor and device therefor |
| 09/09/2003 | US6618228 Current detecting apparatus and electric motor control apparatus |
| 09/09/2003 | US6617818 Voltage independent PWM base frequency generating method |
| 09/04/2003 | US20030164692 Method and apparatus for improving speed measurement quality in multi-pole machines |
| 09/03/2003 | EP1341293A1 Synchronous motor control method and device |
| 09/03/2003 | CN2571065Y Soft gearshift controller |
| 09/03/2003 | CN2571064Y Electric bicycle with soft gearshift function |
| 09/03/2003 | CN2571051Y Electric bicycle with soft gearshift function |
| 09/03/2003 | CN1440118A Electric motor driver and driving method |
| 09/03/2003 | CN1120397C Apparatus and method for detecting rotation speed of DC spindle drive motor |
| 09/02/2003 | US6615005 Motor driving apparatus, image forming apparatus and control method thereof |
| 09/02/2003 | US6614991 Inverter-fed three-phase motor for household appliance, especially for the direct drive of washing machines |
| 09/02/2003 | US6614256 Processes and devices for monitoring the rotation of DC electric motors |
| 08/28/2003 | WO2003071672A1 Motor control method and its apparatus |
| 08/28/2003 | US20030160583 System and method for estimating rotor position of a permanent magnet motor |
| 08/27/2003 | EP1339164A2 Method and device of driving a synchronous motor |
| 08/27/2003 | EP1339160A1 Current controlling method and apparatus for electric rotating machine |
| 08/27/2003 | EP1338775A2 Motor drive for an electronically commutated motor |
| 08/27/2003 | EP1337864A1 System and method for enabling a high torque/high speed brushless dc motor |
| 08/27/2003 | CN1439178A Supply of electric power using fuel cell and chargeable/dischargeable storage |
| 08/27/2003 | CN1438754A Intelligent tubelike motor |
| 08/26/2003 | US6611117 Drive circuit for a brushless DC motor |
| 08/21/2003 | WO2003069768A1 Method for the detection of abnormalities of electric motors |
| 08/21/2003 | US20030155886 Fan motor driving circuit |
| 08/21/2003 | US20030155884 Electronically Commutated multi-phase synchronous machine |
| 08/21/2003 | US20030155880 Motor driving device and motor driving method |
| 08/21/2003 | US20030155877 Method and device for detecting the motor position of an electric motor |
| 08/21/2003 | US20030155876 Current controlling method and apparatus for electric rotating machine |
| 08/20/2003 | EP1336244A1 Active noise compensation |
| 08/20/2003 | CN2567869Y Controllor of frequency conversion brushless DC compressor without sensor |
| 08/20/2003 | CN1437791A Apparatus for controlling synchronous motor |
| 08/20/2003 | CN1437314A Rotation speed raising device for permanent magnetic motor |
| 08/19/2003 | US6608462 Method and system for determining rotor position in a switched reluctance machine |
| 08/19/2003 | US6608459 Method and device for servo-controlling DC motor |
| 08/19/2003 | US6608456 Motor control apparatus |
| 08/19/2003 | CA2171107C Pulse width modulating motor controller |
| 08/14/2003 | WO2003067748A1 Device for detecting magnetic pole of synchronous ac motor, and magnetic pole detecting method therefor |
| 08/14/2003 | WO2003067747A1 Method for commutating an electronically commutated motor and motor for carrying out said method |
| 08/14/2003 | US20030151383 Rotational direction detecting apparatus for a three-phase brushless DC motor |
| 08/14/2003 | US20030150841 Electric circuit breaker, as well as plant, use and method where such is used |
| 08/13/2003 | EP1334552A2 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator |
| 08/13/2003 | EP1334546A2 Device and method for determining the electrical starting rotor angle |
| 08/13/2003 | CN1436395A Power outputting device and vehicle mounting it, control method, storing medium and program for power outputting device, drive device and vehicle mounting it, and control method |
| 08/12/2003 | US6605912 Method for controlling a permanent magnet motor |
| 08/07/2003 | US20030146729 Method for operating a brushless direct current motor |
| 08/07/2003 | US20030146727 Servo actuator and position sensor |
| 08/06/2003 | EP1333563A1 A method for compensating for dead time non-linearities in a pulse with modulation controlled switching scheme |
| 08/06/2003 | CN1435006A Drive circuit for brushless dc motor |
| 08/06/2003 | CN1435005A Method for determining angular position of permanent magnet rotor of polyphase electric motor |
| 08/05/2003 | US6603279 Electric motor drive and process for operating an electronically commutated electric motor |
| 08/05/2003 | US6603277 Apparatus for controlling cooling fan for vehicle |
| 07/31/2003 | US20030141865 Method for determining the angular position of a permanent magnet rotor of a polyphase electric motor |
| 07/31/2003 | US20030141836 Circuit to sample and compare the BEMF on an actuator into a constant velocity control |
| 07/31/2003 | US20030141833 Method and device for determining the rotor position of an electric motor with several motor strings |
| 07/30/2003 | CN2563832Y Fan control circuit with running horse lamp |
| 07/30/2003 | CN1433139A Low-speed pulsating current supressing device and method for single phase inverter |
| 07/30/2003 | CN1433125A Magnetic suspension motor for electric vehicle |
| 07/30/2003 | CN1433123A Permanent synchronous motor driving system and its test method |
| 07/29/2003 | US6600279 Circuit for the sensorless commutation of a DC motor |
| 07/24/2003 | WO2003029503A3 Method and apparatus for calibrating and initializing an electronically commutated electric machine |
| 07/24/2003 | US20030137858 Inverter for alternating current generator-motor |
| 07/24/2003 | US20030137269 Method for compensating for dead time non-linearities in a pulse width modulation controlled switching scheme |
| 07/24/2003 | US20030137262 Actuator with an electric motor |
| 07/24/2003 | DE20307759U1 Speed control circuit for brushless DC motor has pulse width modulation control stage between driver element output and transistor that uses PWM signal to control drive signal output |
| 07/23/2003 | EP1330019A2 Permanent magnet synchronous motor driving system, and method of testing this driving system |
| 07/22/2003 | US6598007 Digital control loop |
| 07/22/2003 | US6598000 Method and apparatus for detecting motion of a motor for a disk drive system |
| 07/22/2003 | US6597972 Integrated fan assembly utilizing an embedded fan controller |
| 07/22/2003 | US6597141 Position sensing in brushless motor systems |
| 07/22/2003 | US6597140 Sensorless motor starting system |
| 07/22/2003 | US6597134 Hard drive spindle motor controller with soft commutation |
| 07/17/2003 | US20030133314 Apparatus and method of suppressing low speed ripple current of a single-phase inverter |
| 07/17/2003 | US20030132728 Single-phase motor with a conversion circuit |
| 07/17/2003 | US20030132727 Permanent magnet synchronous motor driving system, and method of testing permanent magnet synchronous motor driving system |
| 07/16/2003 | EP1327306A1 Current sense ic |
| 07/16/2003 | CN1430329A Electric motor and disk device |
| 07/15/2003 | US6593715 Single-phase motor with a conversion circuit |
| 07/10/2003 | US20030128009 Motor control apparatus and method |
| 07/10/2003 | US20030128008 Electronic power supply for a synchronous motor with permanent-magnet rotor having two pairs of poles |
| 07/08/2003 | USRE38179 Disk storage device having a three-phase brushless DC underhub configured spindle motor |
| 07/08/2003 | USRE38178 Disk storage device having an underhub spindle motor |
| 07/08/2003 | US6590361 Method and system for controlling an induction machine |
| 07/08/2003 | US6590360 Control device for permanent magnet motor serving as both engine starter and generator in motor vehicle |