| 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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| 09/06/1994 | US5345129 For use in an electric motor |
| 09/01/1994 | WO1994019914A1 Rotary low-frequency sound reproducing apparatus and method |
| 09/01/1994 | WO1994019864A1 Doubly ac-excited variable-speed reluctance motor |
| 09/01/1994 | DE4305767A1 Electronically commutated motor |
| 08/31/1994 | EP0613234A1 Single phase electronically commutated motor system and method |
| 08/31/1994 | EP0612960A1 Draft inducer air flow control |
| 08/31/1994 | CN1091514A Apparatus for controlling of refrigerant circulation |
| 08/30/1994 | US5343129 Drive circuit for a brushless direct-current motor |
| 08/30/1994 | US5343127 Start-up procedure for a brushless, sensorless motor |
| 08/30/1994 | EP0694203A4 Electric motor, controller therefor and methods for controlling and assembling same |
| 08/23/1994 | US5341452 Electronic controls for electric motors, laundry machines including such controls and motors and/or methods of operating said controls |
| 08/23/1994 | CA2115854A1 Single phase electronically commutated motor system and method |
| 08/17/1994 | EP0610671A1 Method of driving for automatic machines and device for the application of the said method |
| 08/16/1994 | US5339013 Method and apparatus for driving a brushless motor including varying the duty cycle in response to variations in the rotational speed |
| 08/16/1994 | US5339012 Method and circuit arrangement for sensor-less detection of the rotational angle of a damper-less synchronous machine, preferably excited by a permanent magnet, and supplied by a rectifier |
| 08/10/1994 | EP0609847A1 Power feed system for feeding power to the motor of an electric motorcar |
| 08/09/1994 | US5336956 Brushless dynamo machine with novel armature construction |
| 08/09/1994 | US5336063 Electric drive pump |
| 08/03/1994 | EP0608830A1 Motor control device |
| 08/03/1994 | EP0608769A2 Control device for air conditioner |
| 08/02/1994 | US5334921 Circuit arrangement for operating a multi-phase synchronous motor in a direct voltage network |
| 08/02/1994 | US5334917 System and method for optimally driving a DC motor |
| 07/28/1994 | DE4402411A1 Permanent-magnet synchronous motor with current-smoothing mechanism |
| 07/26/1994 | CA2010146C Switched reluctance motor drive system and laundering apparatus employing same |
| 07/26/1994 | CA1330882C Electrically commutated motor having an edgewise wound yoke |
| 07/20/1994 | EP0506886B1 Process and device for controlling an electronically commuted motor |
| 07/19/1994 | US5331259 Brushless motor drive circuit |
| 07/14/1994 | DE4300228A1 Electronically commutated induction motor |
| 07/12/1994 | US5329195 Sensor motor |
| 07/05/1994 | US5327064 Brushless motor incorporating an integrated circuit having a single chip peripheral circuit |
| 07/05/1994 | US5327059 Tape drive capstan motor servo system with static friction compensation |
| 07/05/1994 | US5327054 Controlling electronically commutated motor |
| 07/05/1994 | US5327053 Apparatus and method for detecting rotor position in a sensorless and brushless DC motor |
| 07/05/1994 | US5327052 Method and apparatus for controlling brushless DC motor |
| 06/28/1994 | US5325026 Microprocessor-based commutator for electronically commutated motors |
| 06/23/1994 | WO1994014226A1 Motor system with individually controlled redundant windings |
| 06/23/1994 | WO1994014219A1 Device and process for reversibly storing electric power by its reversible transformation |
| 06/23/1994 | WO1994014111A1 Position control for hybrid servomechanisms |
| 06/22/1994 | EP0603071A2 Sensorless switched reluctance motor |
| 06/22/1994 | EP0602977A2 Method and apparatus for operating polyphase DC motors using a PWM chopping signal in zero crossing determination |
| 06/22/1994 | EP0538387B1 Digital motor controller |
| 06/21/1994 | US5323094 Method of starting a sensorless multiphase dc motor |
| 06/21/1994 | US5323093 Brushless motor driving device |
| 06/15/1994 | EP0601419A1 Circuit to control a brushless DC motor |
| 06/14/1994 | US5321342 Two-phase brushless DC motor controller |
| 06/09/1994 | WO1994013052A1 High power self-controlled multi-phase synchronous machine |
| 06/09/1994 | WO1994013051A1 Brushless dynamoelectric machine with specialized armature construction |
| 06/09/1994 | DE4341135A1 Control of synchronous motor used e.g. in machine tool - controlling magnitude and phase of currents in winding carrying both field and armature current components |
| 06/07/1994 | US5319297 Driving system for reluctance type motor |
| 06/07/1994 | US5319291 Brushless motor utilizing FET drivers |
| 06/07/1994 | US5319290 Motor control circuit and motor drive system using the same |
| 06/07/1994 | US5319289 Adaptive commutation delay for multi-pole brushless DC motors |
| 05/31/1994 | US5317248 Micro-controller based PWM waveform generation for a multiple phase AC machine |
| 05/31/1994 | US5317245 Brushless DC motor control network |
| 05/31/1994 | US5317244 Motor control unit provided with anti-burning device |
| 05/31/1994 | US5317243 Method and apparatus for detecting velocity profiles of a spinning rotor of a polyphase DC motor |
| 05/31/1994 | US5317242 Motor-driving circuit and wire-bonding apparatus |
| 05/26/1994 | WO1994011945A1 Method of observer-based control of permanent-magnet synchronous motors |
| 05/26/1994 | CA2148466A1 Method of observer-based control of permanent-magnet synchronous motors |
| 05/25/1994 | EP0598446A2 Motor drive circuit, as well as a data reading and/or recording apparatus comprising such a motor drive circuit |
| 05/24/1994 | US5315224 Method and an arrangement for starting an electrical machine having varying reluctance |
| 05/18/1994 | EP0597118A1 Control method for synchronous motor |
| 05/17/1994 | USRE34609 Collectorless direct current motor, driver circuit for a drive and method of operating a collectorless direct current motor |
| 05/11/1994 | EP0596682A1 Motor with position sensing |
| 05/11/1994 | EP0596414A2 Semiconductor integrated circuit device comprising a dielectric isolation structure |
| 05/10/1994 | US5311107 Method and apparatus for stopping DC motor by brake power corresponding to rotation frequency of motor and disk storage unit having such apparatus |
| 05/10/1994 | US5311105 Brushless motor operating method and apparatus |
| 05/10/1994 | US5311069 Driver circuitry for commutated inductive loads |
| 05/03/1994 | US5309078 Synchronous rectification method for reducing power dissipation in motor drivers in PWM mode |
| 05/03/1994 | US5309076 Drive and control circuit for a brushless DC motor |
| 04/26/1994 | US5307439 Driving circuit for controlling the speed of a motor in PWM and linear modes |
| 04/26/1994 | US5306997 Drive system for turbocharger with rotary electric machine |
| 04/26/1994 | US5306988 Method and apparatus for operating polyphase dc motors |
| 04/19/1994 | US5304903 Brushless motor driving method and apparatus |
| 04/19/1994 | US5304902 Apparatus for driving a brushless DC motor |
| 04/14/1994 | WO1994008390A1 Sensing of rotor position of a switched reluctance motor without a shaft position sensor |
| 04/14/1994 | CA2145282A1 Sensing of rotor position of a switched reluctance motor without a shaft position sensor |
| 04/12/1994 | CA1328498C Method for controlling the torque of a synchronous machine supplied by a frequency converter |
| 04/05/1994 | US5300873 Motor control apparatus |
| 04/05/1994 | US5300866 Drive apparatus and speed control apparatus for brushless motor |
| 03/31/1994 | WO1994007301A1 Process and device for regulating a converter-powered, permanently excited synchronous motor |
| 03/30/1994 | EP0589630A1 Automatic adjustment of commutation delay for brushless DC motor |
| 03/29/1994 | US5298846 Drive unit for driving a stepping motor |
| 03/29/1994 | US5298841 Apparatus for controlling the speed of a moving object |
| 03/29/1994 | US5298840 Motor control circuit and motor drive system using the same |
| 03/29/1994 | US5298839 Electrical angle control system for a brushless DC motor in a magnetic disk apparatus |
| 03/29/1994 | US5298838 Sensorless brushless DC motor starting system and method |
| 03/24/1994 | DE4231226A1 Commutation circuitry for collectorless DC motor - with retardation circuit allowing shifting of commutation point by given delay interval |
| 03/22/1994 | US5296796 For generating a control signal |
| 03/22/1994 | US5296789 Apparatus for controlling brushless motors in response to switching transistor temperature |
| 03/22/1994 | US5296787 Method for regulating a motor current of a brushless D.C. motor |
| 03/17/1994 | WO1994006198A1 Quasi square-wave back-emf permanent magnet ac machines with five or more phases |
| 03/17/1994 | WO1994006114A1 Process and device for controlling with pulsed signals |
| 03/16/1994 | EP0587352A1 Overtemperature warning cycle in operation of polyphase dc motors |
| 03/15/1994 | US5294877 Circuit and method for detecting deceleration rates of a polyphase DC motor |
| 03/15/1994 | US5294872 Method and apparatus for operating vacuum cleaner |
| 03/15/1994 | US5294871 Electric motor control system |
| 03/10/1994 | DE4229342A1 Verfahren und Vorrichtung zur Ansteuerung mit gepulsten Signalen Method and apparatus for driving with pulsed signals |
| 03/03/1994 | WO1994005077A1 Method of and apparatus for determining a rotor displacement parameter |
| 03/03/1994 | WO1994005074A1 Brushless dc motor and its driving method |