| Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091) |
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| 09/18/1990 | US4958115 Capacitively commutated brushless DC servomotors |
| 09/18/1990 | US4958099 Brushless motor |
| 09/18/1990 | US4958098 Rotary device |
| 09/18/1990 | US4958095 Starter-alternator for a vehicle engine |
| 09/12/1990 | EP0386371A2 Disk drive spindle motor |
| 09/12/1990 | CN2062132U Electronic inverting type d.c motor |
| 09/07/1990 | WO1990010335A1 Stator assembly for a non-static cogging brushless dc motor and method of fabricating the same |
| 09/04/1990 | US4954739 Neodymium, iron, boron alloy |
| 08/31/1990 | CA2010614A1 Stator assembly for a non-static cogging brushless dc motor and method of fabricating the same |
| 08/29/1990 | EP0176599B1 Device for driving a sewing machine |
| 08/28/1990 | US4952830 Brushless motor with hall elements |
| 08/28/1990 | US4951514 Dual gyroscopic stabilizer |
| 08/21/1990 | US4950960 Electronically commutated motor having an increased flat top width in its back EMF waveform, a rotatable assembly therefor, and methods of their operation |
| 08/21/1990 | US4950932 Axial flow fan integral with electronically commutated motor |
| 08/21/1990 | CA1273047A1 Two-phase brushless motor |
| 08/14/1990 | US4949023 Direct current machine with switchable stator windings |
| 08/14/1990 | US4949022 Solid state DC fan motor |
| 08/14/1990 | US4949000 D.C. motor |
| 08/09/1990 | WO1990009051A1 Under-the-hub disk drive spin motor |
| 08/08/1990 | EP0380600A1 A work generating device driven by an electric motor |
| 08/07/1990 | US4947071 High speed DC motor |
| 07/25/1990 | EP0378640A1 Reluctance motor |
| 07/24/1990 | US4943760 Control systems for variable reluctance electrical machines |
| 07/24/1990 | US4943748 Motor with cup-shaped rotor having cylindrical portions of different diameter |
| 07/24/1990 | US4943747 Brushless unequal poles controlled electric motor |
| 07/17/1990 | US4942345 Pole changing switched reluctance motor and method |
| 07/10/1990 | US4940912 Brushless electric motor with self starting asymmetry |
| 07/10/1990 | CA1271510A1 Brushless d.c. dynamoelectric machine with decreased magnitude of pulsations of air gap flux |
| 07/10/1990 | CA1271508A1 Electrically-operated fuel pump |
| 07/04/1990 | EP0376530A2 Integrated electronically commutated motor and control circuit assembly |
| 07/03/1990 | US4939499 Magnetic pole detecting Hall element |
| 06/28/1990 | WO1990007220A2 Electrically switched synchronous motor drive |
| 06/27/1990 | EP0375283A1 A motor with timing member |
| 06/27/1990 | EP0375228A1 Electronically commutated motor and stationary assembly therefor with teeth faces having notches and having a skew between the slots and the permanent magnet field to reduce cogging |
| 06/27/1990 | EP0374805A2 Electronically commutated synchronous driving motor |
| 06/27/1990 | CN1008582B Rotating electric motor |
| 06/26/1990 | US4937485 Coil/magnet structure for a brushless DC motor |
| 06/19/1990 | US4934041 Method of assembling brushless electric motors |
| 06/13/1990 | CN1008419B Rotating electric motor |
| 06/12/1990 | US4933584 Electronically commutated motor having skewed magnetics |
| 06/12/1990 | US4933581 Large air gap motor with rotor heat shield |
| 06/07/1990 | DE3841028A1 Five-phase synchronous motor with flat airgaps |
| 06/07/1990 | DE3840666A1 Winding arrangement for the stator of an external rotor motor |
| 06/06/1990 | EP0371661A2 Capacitively commutated brushless DC servomotors |
| 05/23/1990 | EP0368940A1 Electric motor. |
| 05/23/1990 | EP0368930A1 A motor or alternator. |
| 05/15/1990 | US4924674 Turbocharger with rotary electric machine |
| 05/15/1990 | CA1269131A1 Brushless blower motor with load proportional cooling for control circuitry |
| 05/08/1990 | US4924130 Reluctance synchronous electric machine having intrinsic phase correction means |
| 05/08/1990 | US4924128 High-efficiency electric motor with low torque variation |
| 05/08/1990 | US4924125 Electric motor or alternator |
| 05/01/1990 | US4922162 Disk-type single-phase brushless motor |
| 04/17/1990 | US4918346 Low ripple-torque permanent magnet brushless motor |
| 04/17/1990 | US4918323 Engine starting and charging device |
| 04/10/1990 | CA1267690A1 Ironless brushless dc motor with wave winding |
| 04/05/1990 | WO1990003686A1 Brushless motor |
| 04/04/1990 | EP0361775A2 Improvements in or relating to machine drives and/or methods of making the same |
| 03/28/1990 | EP0190297B1 Axially compact direct control motor |
| 03/22/1990 | WO1990003031A1 Recording/reproducing apparatus |
| 03/20/1990 | US4910420 Brushless electric motor |
| 03/20/1990 | CA1266877A1 Electronically commutated dc machine and use thereof |
| 03/14/1990 | CN2054590U Non-brush direct current motor for driving directly wheel of electric bicycle |
| 03/14/1990 | CN2054589U Neodymium iron boracium non-brush motor for electric bicycle |
| 03/08/1990 | WO1990002437A1 An electric motor |
| 03/07/1990 | CN2054230U Brushless dc motor |
| 03/06/1990 | US4906882 Rotor for an electric motor energized by permanent magnet means |
| 02/28/1990 | EP0356368A1 D.C. motor |
| 02/27/1990 | US4905110 Disk drive spindle motor |
| 02/27/1990 | US4904162 Fuel supplying pump |
| 02/22/1990 | WO1990001823A1 Polyphase electronically commutated reluctance motor |
| 02/21/1990 | CN2053397U Motor with function of random reversion by same shaft |
| 02/20/1990 | US4902941 Drive motor for information-storage-disk devices |
| 02/20/1990 | US4902924 Brushless motor |
| 02/20/1990 | US4902923 Motor having frequency generator |
| 02/13/1990 | US4900968 Electronically commutated collectorless direct-current motor |
| 02/13/1990 | US4900958 Drive motor for magnetic disks, optical disks, and magneto-optical disks |
| 02/13/1990 | US4900237 Rolling rotor motor balancing means |
| 02/06/1990 | US4899075 Two-phase DC brushless motor |
| 02/06/1990 | US4898759 Molded printed circuit board for use with a brushless electric motor |
| 02/06/1990 | US4898038 Engine starting and charging device |
| 01/31/1990 | EP0352324A1 Device for remote transmitting of rotation angle and torque between driving and driven shaft |
| 01/30/1990 | US4897603 Arrangement for determining the speed and rotor position of an electric machine |
| 01/24/1990 | EP0352214A2 D.C. motor |
| 01/17/1990 | EP0351175A2 A frequency generator |
| 01/16/1990 | US4894738 Disk storage drive |
| 01/16/1990 | US4894572 Disk-type brushless fan motor |
| 01/16/1990 | US4894570 Compact unitary starting motor and charging generator with recessed clutch |
| 01/16/1990 | US4894553 Engine starting and charging device |
| 01/11/1990 | WO1990000325A1 Reluctance motor |
| 01/10/1990 | EP0349546A1 Electric motor. |
| 01/10/1990 | CN1038728A Motor having electronic commutation, especially for driving fluid discharge device, particular in hair-dryer mounted such motor |
| 01/04/1990 | DE3820903A1 Elektrische maschine Electrical machine |
| 01/03/1990 | EP0349056A1 Electric multipolar machine |
| 01/03/1990 | EP0349055A1 Electrical multi-pole machine |
| 01/02/1990 | US4891567 Brushless DC motor having an outer rotor |
| 01/02/1990 | US4891537 1-Phase energized disk-type brushless motor |
| 12/28/1989 | WO1989012925A1 Tacho generator |
| 12/28/1989 | WO1989011523A3 Rotor position sensing |
| 12/28/1989 | WO1989011148A3 Tape drive machines |
| 12/27/1989 | EP0347722A1 Tachometer generator |