Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091) |
---|
02/24/1987 | CA1218402A1 Electromagnetic rotary motor |
02/17/1987 | US4644233 D.C. brushless motor having wider and narrower pole parts |
02/17/1987 | US4644207 Integrated dual pump system |
02/10/1987 | US4642539 Torque motor with unlimited angular excursion |
02/10/1987 | US4642496 Device for detecting the angular position of the rotor of a rotary electric machine with electronic switching |
02/10/1987 | US4642494 Means to improve performance of electric motors |
02/04/1987 | EP0210835A2 Laser scanning motor and method of manufacturing the same |
01/28/1987 | EP0210047A2 Motor control and operation |
01/28/1987 | CN85105812A Special electromagnetic motors such as permanent-magnet non-rectifier motors and electromagnetic force motor |
01/27/1987 | US4639648 Three-phase brushless motor |
01/20/1987 | US4638224 Mechanically shifted position senor for self-synchronous machines |
01/20/1987 | US4638201 Electronically commutated dc motor |
01/20/1987 | US4638197 Magnetic flux shield and enhancer for brushless motors |
01/15/1987 | WO1987000362A1 Electric pump |
01/14/1987 | EP0208657A2 Electronic-reverse self-synchronous electric motor |
01/14/1987 | EP0208125A1 Automatic tool exchange system for machine tools |
01/14/1987 | EP0208124A2 Improvement in stepper motors |
01/14/1987 | EP0208123A1 Printed-circuit motor |
01/13/1987 | US4636677 Drive coil wiring structure for brushless motor |
01/07/1987 | EP0207298A1 Stepper motor |
01/06/1987 | US4634948 Stepping motor winding for bipolar drive |
01/06/1987 | US4634343 Apparatus for converting radiant energy such as light or heat directly into turning force |
01/02/1987 | DE3614748A1 Electric motor, especially a DC motor without a commutator, having an external rotor |
12/30/1986 | US4633149 Brushless DC motor |
12/30/1986 | US4633110 Motor with stator on printed circuit assembly |
12/30/1986 | US4633109 Electronically commutated, collectorless direct-current motor |
12/30/1986 | EP0206212A2 Improvements in or relating to electrical drive systems |
12/30/1986 | EP0205989A2 Power transmission and braking system |
12/30/1986 | EP0205988A1 Improvements in machine tools |
12/23/1986 | US4631510 Harmonically graded airgap reluctance-type rotating electric resolver |
12/23/1986 | US4631456 Inertial energy storage device and synchronous rotary electrical machine for use therein |
12/16/1986 | US4629948 Electric motor and tachometric generator unit |
12/09/1986 | US4628231 DC motor with electronic commutation circuit |
12/03/1986 | EP0203846A1 Direct-current multipolar machine for submerged use |
12/02/1986 | US4626752 Electric motor having Hall generators and control circuit |
12/02/1986 | US4626751 Direct-current motor without commutator |
12/02/1986 | US4626727 Flat, permanent magnet electric motor |
11/20/1986 | EP0201793A2 Motor |
11/18/1986 | CA1214205A1 Commutatorless d.c. motor with electronic commutation |
11/06/1986 | WO1986006564A1 Pulsating current electromotor without commutator |
11/05/1986 | EP0200537A2 Electrical motor with improved tachometer generator |
10/28/1986 | US4620139 Brushless d.c. motor |
10/21/1986 | US4618806 Ironless, brushless DC motor with wave-winding |
10/14/1986 | US4617499 Brushless motor |
09/24/1986 | EP0195741A1 Electric machine of the synchronous type with permanent-magnet excitation |
09/16/1986 | US4612486 Semiconductor electric motor having a rotary transformer to excite a rotor |
09/10/1986 | EP0193929A2 Method for making a servomotor |
08/27/1986 | EP0192469A2 Electric motors and power tools |
08/26/1986 | US4607734 Power transmitting device in a copying machine |
08/20/1986 | EP0191366A1 Drive and positioning system |
08/19/1986 | US4607182 Motor spindle with integrated bearing races |
08/19/1986 | US4606707 Pump apparatus having two drive motors |
08/19/1986 | US4606223 Device for detecting rotating speed of thin shape motor |
08/19/1986 | CA1210045A1 Brushless direct current motor with inverted magnet cup |
08/13/1986 | EP0190918A1 Position sensor/tachometer |
08/12/1986 | US4605889 Brushless tachometer/synchro |
08/12/1986 | US4605874 Brushless D.C. dynamoelectric machine having ferrite material magnetic circuit |
07/22/1986 | CA1208272A1 Simple brushless dc fan motor with reversing field |
07/15/1986 | US4600864 Easily restarted brushless DC motor |
07/08/1986 | US4599664 Disk storage drive |
07/08/1986 | US4599561 Device for detecting the relative and absolute position of a moving body |
07/08/1986 | CA1207378A1 Method of commutation and converter circuit for switched reluctance motors |
07/01/1986 | US4598241 Rectifier commutation in electrical machines |
06/24/1986 | CA1206508A1 Brushless dc motor with improved starting |
06/18/1986 | EP0184860A1 AC signal generating apparatus |
06/10/1986 | US4594524 Coreless-brushless motor |
06/09/1986 | WO1986003629A1 Brushless motor |
06/04/1986 | EP0183277A2 Brushless motor |
05/28/1986 | EP0182702A1 Brushless DC motor |
05/28/1986 | EP0182322A1 Rotational position detection device |
05/27/1986 | US4591766 Brushless direct current motor |
05/27/1986 | CA1205115A1 Simple brushless dc fan motor |
05/14/1986 | EP0180815A1 Variable speed variable reluctance electrical machines |
05/13/1986 | US4588912 D.C. brushless motor with an improved yoke |
05/07/1986 | EP0180120A2 Electronically commutated collectorless d.c. motor |
05/07/1986 | EP0180083A1 Control systems for variable reluctance electrical machines |
04/29/1986 | US4585979 Three-phase brushless motor having auxiliary magnetic pole on rotor |
04/29/1986 | US4585963 Brushless direct current motor with inverted magnet clip |
04/23/1986 | EP0178755A2 Rotating electric motor |
04/23/1986 | EP0178380A1 Electronically commutated direct current machine and its use |
04/22/1986 | US4584513 Motor/generator operating on the reluctance principle |
04/15/1986 | US4583015 Single-phase brushless motor with multisector stator armature poles having different cross-sections |
04/09/1986 | EP0176599A1 Device for driving a sewing machine |
03/26/1986 | EP0175670A2 Brushless tachometer/synchro |
03/25/1986 | US4578606 Brushless DC electric motor and tachogenerator assembly |
03/18/1986 | US4577139 Commutatorless D.C. motor with three-strand full-pitched stator winding |
03/18/1986 | US4577130 Pancake motor with insitu wound bobbinless stator coils |
03/11/1986 | US4575652 Permanent magnet motor having high starting torque and narrowly-defined detent zones |
03/05/1986 | EP0172977A1 Electric motor |
03/05/1986 | CN85201783U Integrated motor without electric brush for electrically driven bicycle |
03/04/1986 | US4574211 Brushless D.C. motor |
02/25/1986 | US4573003 AC Machine optimized for converter operation |
02/18/1986 | US4571528 Electromagnetic rotary motor |
02/13/1986 | WO1986001050A1 Axially compact direct control motor |
02/13/1986 | WO1986001049A1 Slotless and toothless wound stators and methods of production |
02/11/1986 | US4570093 Direct-current motor with two drive magnets |
02/11/1986 | US4570092 Driving apparatus useful in a movable toy |
02/05/1986 | EP0170452A1 Rotating electric motor |
02/04/1986 | US4568865 Position sensing device |
02/04/1986 | US4568862 Commutatorless d.c. motor with electronic commutation |