| Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) |
|---|
| 06/20/1990 | CN1008494B Shallow cup-shaped miniature motor |
| 06/19/1990 | US4935655 Direct-current machine comprising a permanent-magnetic stator |
| 06/19/1990 | US4935652 Optical pulse generator for an electric-motor drive arrangement |
| 06/12/1990 | US4933586 D.C. rotary electrical machine |
| 06/12/1990 | US4933582 Magnet-retaining structure for motor |
| 06/07/1990 | DE3840666A1 Winding arrangement for the stator of an external rotor motor |
| 06/05/1990 | US4931681 One-piece support and end cover structure for electric motors |
| 06/05/1990 | US4931678 Double-insulated air-cooled electromotor for barrel pump |
| 05/23/1990 | EP0369746A2 Varistor in an electric motor |
| 05/23/1990 | EP0368930A1 A motor or alternator. |
| 05/23/1990 | DE3901295C1 Electrical machine having permanent-magnet excitation and charging winding |
| 05/10/1990 | DE3916791A1 Fan unit for vehicle heating system - has socket with adjacent seatings for fan motor and motor control module |
| 05/08/1990 | US4924125 Electric motor or alternator |
| 05/03/1990 | DE3938241A1 Stator for variable speed electric motor - has 2 pole pairs with associated field winding connected in series with armature |
| 05/03/1990 | DE3901905C1 Device on the commutator of an electrical machine |
| 04/24/1990 | US4918830 Method of preparing a permanent magnet DC machine |
| 04/03/1990 | US4914713 Rotation detection or speed pickup device for miniature d-c motor |
| 04/03/1990 | US4914334 Permanent magnet DC machine |
| 03/28/1990 | EP0360623A2 A splashproof cover for a motor |
| 03/28/1990 | EP0360546A2 Permanent magnet field electric motor |
| 03/28/1990 | EP0359855A1 Tachometer device for a commutator motor |
| 03/28/1990 | EP0359854A1 Tachometer device for an electromotor with windings on the rotor |
| 03/28/1990 | EP0359853A1 Electromotor drive, in particular driving servo for a vehicle |
| 03/27/1990 | US4912352 Armature of electric motor |
| 03/22/1990 | WO1990003061A1 Rotary machine |
| 03/20/1990 | US4910790 Two-speed motor |
| 03/13/1990 | US4908540 Electric generator for vehicles |
| 03/13/1990 | US4908535 Insulated dynamo windings |
| 03/08/1990 | WO1990002435A1 Shaft bearing, in particular for a miniature electric motor |
| 03/08/1990 | WO1990002063A1 Drive, in particular for windscreen wiper systems in motor vehicles |
| 03/07/1990 | EP0356791A1 Drive system, in particular for motor vehicle windscreen wiper installations |
| 03/07/1990 | CN1040291A Armature for electric motor |
| 03/06/1990 | US4906884 Flat motor |
| 03/06/1990 | CA1266502A1 Permanent magnet field dc machine |
| 02/22/1990 | DE3929556A1 Commutator motor for electric machine tool - has magnetic short circuit stator with single OFF and changeover switch for switching and short-circuiting |
| 02/21/1990 | CN1039935A Commutator rotary-device and method of forming armature winding of device |
| 02/15/1990 | DE3918350A1 Electric induction motor starter for car |
| 02/14/1990 | EP0354328A2 Axial field motor |
| 02/14/1990 | CN2052982U Motor |
| 02/14/1990 | CN1039684A 电枢 Armature |
| 02/13/1990 | US4900965 Lightweight high power electromotive device |
| 02/13/1990 | US4900963 D.C. motor |
| 02/07/1990 | EP0353918A2 Commutator rotary-device and method of forming the armature winding of the device |
| 02/06/1990 | US4899074 Permanent magnet rotary dynamo electric machines |
| 01/23/1990 | US4896067 Electrical machine, especially electric motor |
| 01/23/1990 | US4896065 Miniature motor |
| 01/10/1990 | EP0350193A2 An armature |
| 01/03/1990 | EP0349142A1 An armature |
| 12/27/1989 | CN2050235U End action type direct current permanent-magnet motor |
| 12/14/1989 | WO1989012347A1 Electric motor with iron-cored disk armature |
| 12/13/1989 | CN2049271U Permanent-magnet deceleration type starter |
| 12/06/1989 | CN2049043U Dc motor driven by axle gear |
| 12/05/1989 | US4885496 Stator end member and assemblies therewith and methods of assembly |
| 11/29/1989 | EP0343681A2 Dynamoelectric DC machine |
| 11/29/1989 | CN2048642U Stator excitation of dc wind machine for automoble conditioner |
| 11/28/1989 | US4883996 Motor |
| 11/23/1989 | EP0343126A1 A one-piece support and side cover structure for electric motors |
| 11/22/1989 | CN2048257U Disc-type power-driven device of valve |
| 11/22/1989 | CN2048256U Cantilever dish-type d.c. generator with symmetrical double-magnetic body |
| 11/21/1989 | US4881988 Curled, flexible, extruded magnetic strip in cylindrical shell |
| 11/14/1989 | US4881002 Miniature motor |
| 11/02/1989 | EP0339584A1 DC rotary electric machine of permanent magnet field type |
| 10/25/1989 | CN1036672A Miniature motor with worm reduction gear |
| 10/24/1989 | US4876472 Five-phase dc motor with non-overlapping armature windings |
| 10/18/1989 | CN1005514B Miniature motor |
| 10/10/1989 | US4873464 Terminal in an electric motor |
| 10/10/1989 | US4873463 D.C. electric motor |
| 09/27/1989 | EP0334662A2 Magnet-retaining structure for an electric motor |
| 09/27/1989 | EP0333869A1 Rotor structure of synchronous motor |
| 09/26/1989 | US4870309 Wiring device in direct current machine |
| 09/26/1989 | CA1260523A1 Flat coil dynamoelectric device and method for manufacturing the same |
| 09/21/1989 | WO1989008942A1 Intermittent single rotation motor actuator |
| 09/19/1989 | US4868433 Small sized electric motor |
| 09/14/1989 | DE3906842A1 Miniature electric motor with worm reduction gearing - has extended end of motor shaft fitted into bore in worm at given spacing from motor bearing |
| 09/12/1989 | US4866319 Erasing machine |
| 09/08/1989 | WO1989008345A1 Power-operated device with a cooling facility |
| 09/07/1989 | DE3842807A1 Stromwendermotor Commutator |
| 09/06/1989 | CN1035398A Motor or alternator |
| 09/05/1989 | US4864276 Very low-profile motor arrangement for radio pager silent alerting |
| 08/31/1989 | DE3812190C1 DC motor |
| 08/31/1989 | DE3805060A1 Electric motor having a system carrier for accommodating components, conductor tracks and control and regulation modules (chips) |
| 08/31/1989 | DE3803597A1 Kombinierter drehzahl/temperatur-messwertaufnehmer Combined speed / temperature transducers |
| 08/23/1989 | EP0329249A1 Mounting device for brushes in a reversible commutator motor |
| 08/22/1989 | US4859895 Armature coil slots having grooves formed in its throat |
| 08/22/1989 | US4859893 Commutator with resiliently clamped resistor ring |
| 08/16/1989 | CN2043026U Low power consumption and low speed miniature electric motor |
| 08/16/1989 | CN2043025U Multifunction electrical machinery |
| 08/16/1989 | CN2043022U Cooling for electric motor |
| 08/15/1989 | US4857812 Electric motor system for automobiles |
| 08/15/1989 | US4857790 Winding patterns for armatures |
| 08/10/1989 | WO1989007247A1 Combined rotational speed/temperature measuring device |
| 08/09/1989 | CN1004985B Small-size motor |
| 08/08/1989 | US4855632 Assembled commutators |
| 08/01/1989 | US4853576 Miniature motor |
| 08/01/1989 | US4853568 Miniature motor |
| 07/25/1989 | US4851729 Electric motor |
| 07/25/1989 | US4851727 Permanent magnet type electric motor |
| 07/19/1989 | CN2041462U 电动机 Electric motor |
| 07/19/1989 | CN1034099A Dc motor with rotating magnetic field stator |
| 07/13/1989 | WO1989006454A1 Commutator motor |