Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091) |
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10/12/1995 | WO1995027326A1 Adjustable airgap motor/generator for flywheel system |
10/12/1995 | DE4411960A1 Electronically commutated electric motor avoiding magnetic couplings |
10/11/1995 | EP0676853A2 Variable reluctance start permanent magnet motor |
10/04/1995 | EP0675586A1 Flux controlled permanent magnet dynamo-electric machine |
10/04/1995 | EP0675216A1 Single motor drive for an open-end spinning rotor |
10/03/1995 | US5455474 Magnetic motor construction |
10/03/1995 | US5455473 Field weakening for a doubly salient motor with stator permanent magnets |
10/03/1995 | US5454697 Electrically operated pump assembly with an externally installed control circuit |
09/28/1995 | DE4410005A1 Rotor position encoder with 2:1 ratio of pole-piece circumferences |
09/27/1995 | EP0673559A1 Motor system with individually controlled redundant windings |
09/26/1995 | US5453650 Face opposing type motor |
09/21/1995 | DE4407850A1 Brushless DC motor control device |
09/19/1995 | US5450770 Integrated rotary drive apparatus |
09/14/1995 | WO1995024762A1 Brushless electric motor and method of operating the same |
09/13/1995 | EP0671811A1 A controller for a brushless DC motor without a position sensor |
09/12/1995 | US5450261 Magnetic disc drive motor having disc securely fixed to loading surface to abut upper bearing outer ring |
09/06/1995 | EP0670622A1 Improvement to electric motors |
09/05/1995 | US5448119 Spindle motor |
09/05/1995 | CA2143929A1 Electric motors |
08/31/1995 | DE4414527C1 Electronically-commutated DC motor for vehicle propulsion drive |
08/30/1995 | CN2206515Y Power-assistant motor |
08/29/1995 | US5446610 Disk storage device having a brushless DC drive motor |
08/29/1995 | US5446325 Spindle motor and disk driving apparatus using the same |
08/24/1995 | WO1995022851A1 Apparatus for obtaining three-phase position detection signals by one position detection element |
08/23/1995 | EP0668651A1 Flywheel-type power storage device |
08/23/1995 | EP0667993A1 Method of observer-based control of permanent-magnet synchronous motors |
08/22/1995 | US5443413 Brushless spindle motor for a grinding machine including hydrostatic bearings |
08/22/1995 | CA1336787C In-spindle motor assembly for disk drive and method for fabricating the same |
08/17/1995 | WO1995022195A1 Brushless d.c. motor |
08/17/1995 | WO1995022192A1 Two-phase unidirectional reluctance motor |
08/17/1995 | DE4404926A1 Vehicle brushless DC motor drive with electronic speed control |
08/17/1995 | DE4404889A1 Vehicle brushless DC motor drive with electronic speed control |
08/16/1995 | EP0667279A1 Actuator for steering rear wheels |
08/15/1995 | US5442250 Electric power train for vehicles |
08/10/1995 | DE4403302A1 Electrical machine especially brush free DC motor |
08/10/1995 | DE19503521A1 Fan with blades formed on magnetic rotor of brushless DC motor |
08/09/1995 | EP0666424A1 Fan with rotor, in particular a radial fan rotor |
08/09/1995 | EP0641501A4 Variable reluctance drive system. |
08/08/1995 | US5440185 Composite magnet brushless DC motor |
08/02/1995 | CN2204468Y Permanent rotary magnetic-field D.C motor |
08/01/1995 | US5438228 Electrically motorized wheel assembly |
07/26/1995 | EP0664601A1 Pulsed synchronous reluctance motor |
07/26/1995 | EP0664600A1 Three-phase brushless motor |
07/26/1995 | CN1105638A Power-driven vehicle |
07/25/1995 | US5436518 Motive power generating device |
07/20/1995 | DE4401361A1 Brushless DC motor of reduced axial length |
07/19/1995 | EP0587643B1 Head drum for a recorder |
07/12/1995 | EP0662751A1 Reluctance motor |
07/12/1995 | EP0412993B1 Tape drive machines |
07/12/1995 | CN1105158A Method for manufacture of small electric motor and rotator of same |
07/12/1995 | CN1029343C Brushless DC motor |
07/11/1995 | US5432644 Disk drive unit having motor components in a compact arrangement |
07/05/1995 | EP0436721B1 Method of assembling a brushless motor |
07/05/1995 | CN1104810A Rotating motor and method for making same, layered iron core and method for making same |
07/04/1995 | US5430570 Light deflector |
06/28/1995 | EP0660501A1 Generator motor for vehicles |
06/27/1995 | US5428282 Release-type permanent magnet motor |
06/22/1995 | DE4444574A1 Starting control device for sync AC servomotor |
06/20/1995 | US5425165 Method of making a slotless, brushless, large air-gap electric motor |
06/14/1995 | EP0657984A1 Permanent magnet rotor of brushless motor and production method thereof |
06/13/1995 | US5424625 Repulsion motor |
06/07/1995 | CN1028760C Process for preparing sequence of antidirection direction, antimessenger RNA oligonuclectides of alpha TNF |
06/06/1995 | US5422769 Spin motor for rotating a storage disk in a disk drive |
06/06/1995 | US5422569 Rotation detecting apparatus using magnetroresistive element with an arrangement of detection units |
05/31/1995 | EP0655824A2 Outer rotor type brushless DC motor |
05/31/1995 | EP0655823A1 Brushless dc motor and its driving method |
05/31/1995 | CN1103213A 小型电动机 Small motors |
05/24/1995 | CN1028584C Direct current motor utilzing back electromotive force |
05/23/1995 | US5418451 Apparatus for measuring at least one state variable of a brushless direct-current motor |
05/23/1995 | US5418436 Motor starting method and apparatus |
05/23/1995 | US5418416 Brushless three-phase DC motor |
05/23/1995 | US5417507 Vertical motor, method of manufacturing same, polygon mirror motor using said motor, and bearing device for use in said motor |
05/18/1995 | DE4338193A1 Contact-free magnetic measuring device |
05/17/1995 | EP0653050A1 Position detection apparatus. |
05/11/1995 | DE4439548A1 Arrangement for driving a bar magnet |
05/10/1995 | EP0652622A2 Rotary motor and production method thereof, and laminated core and production method thereof |
05/09/1995 | US5414579 Head cylinder for a recorder |
05/04/1995 | WO1995012241A1 Permanent magnet electric motor |
05/03/1995 | EP0650644A1 Electric motor-wheel. |
05/03/1995 | EP0533767B1 Electric motor |
05/03/1995 | CN1102277A Efficient permanent magnet electric motor |
05/02/1995 | US5412265 Planar micro-motor and method of fabrication |
04/27/1995 | DE4335966A1 Drive device for a washing machine or a similar machine having a DC motor without a commutator |
04/26/1995 | EP0650246A1 Brushless motor |
04/26/1995 | EP0649577A1 Fault-tolerant reluctance motor. |
04/26/1995 | CN2195823Y 电磁脉冲驱动盘 Electromagnetic pulse drive tray |
04/26/1995 | CN2195822Y Permanent-magnet direct current brushless electric machine |
04/25/1995 | US5410203 Reluctance motor with yoke saturation |
04/25/1995 | US5410201 Electric Motor |
04/19/1995 | CN1028273C Motor or alternator |
04/18/1995 | US5408153 Index position detecting apparatus for an electromagnetic rotary machine |
04/13/1995 | WO1995010134A1 Electronically commutated permanent magnet motor |
04/13/1995 | DE4407713C1 Brushless electric motor and a method for its operation |
04/11/1995 | US5406154 Power unit for motor vehicles |
04/05/1995 | EP0647010A1 Electric motor with permanent magnets and reduced cogging torque |
04/05/1995 | EP0647009A1 Magnetic rotating apparatus |
04/05/1995 | EP0256132B1 Magnetic rotary device |
04/05/1995 | CN1101178A Electrically motorized wheel assembly |
04/05/1995 | CN1101163A Permanent magnet control means |
03/29/1995 | EP0645542A1 Automobile engine fan and hub |