Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) |
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01/05/1994 | DE4221424A1 DC electric motor with rotor position, revolution rate and=or rotation direction detector - has magnetic field sensitive element with compensation for unwanted core current field components |
12/29/1993 | EP0576239A2 Miniature motor |
12/29/1993 | CN2151575Y Permanent magnet DC motor |
12/28/1993 | US5272938 Flat rim type motor drive mechanism for bicycles |
12/15/1993 | CN1079595A Non-excited motor |
12/14/1993 | US5270602 Corless motor |
12/14/1993 | US5270599 Miniature motor and method of making same |
12/09/1993 | DE4317977A1 Coaxial starter motor for vehicle - has electromagnetic switch with movable core and push-rod for motor contacts located inside brush holder |
12/07/1993 | US5268818 Contact structure for toy motors |
12/07/1993 | US5267925 Exercise dynamometer |
12/07/1993 | US5267699 Methods of winding armatures with modified side pattern |
12/07/1993 | CA1324899C Rotation detection or speed pickup device for miniature d-c motor |
12/01/1993 | CN2148433Y Energy-saving household electric generator |
11/23/1993 | US5264749 Electric motor with adhesively mounted magnet yoke |
11/18/1993 | EP0570031A2 Stator end member and method of assembling on stator |
11/18/1993 | EP0570030A2 Stator end member |
11/16/1993 | US5261501 Four-wheel steering system with steering motor short circuit control |
11/11/1993 | DE4314329A1 Electromotor sliding contact with vibration damping - is formed from compressed powder with over compressed zone formed around end of conductor to hold fast against vibration |
11/10/1993 | CN2146081Y Flat-like electric motor |
11/02/1993 | US5258680 Armature winding structure for electric motors |
11/02/1993 | US5258677 Permanent magnet repelling field DC motors |
10/28/1993 | WO1993021682A1 High torque and speed dc motors |
10/27/1993 | CN1077823A A miniature motor |
10/26/1993 | US5256921 Gear motor with rotary switch |
10/13/1993 | CN1077319A DC divided or compound excitation motor with controllable dynamic property and circuit device thereof |
10/12/1993 | US5251833 Method of winding armature of electric rotating machine |
10/06/1993 | EP0564258A2 A miniature motor |
10/06/1993 | CN2143383Y Electric motor for sowing machine |
10/05/1993 | US5250867 Permanent magnet brushless DC motor having reduced cogging |
10/05/1993 | US5250866 Structure for fixing permanent magnets in motor |
09/30/1993 | WO1993019458A1 Electronic cancellation of d.c. motor noise |
09/22/1993 | EP0561463A1 Electrical machine and method of manufacturing the electrical machine |
09/15/1993 | EP0560225A2 Methods of winding armatures with modified side pattern |
09/14/1993 | US5245238 Axial gap dual permanent magnet generator |
09/07/1993 | US5243247 Brush bridge assembly for a permanent-magnet d.c. motor |
09/02/1993 | WO1993017486A1 Neutralizing overvoltages generated by magnetic armature reaction in phase windings |
09/01/1993 | CN1022010C Disk permanent-magnet dc motor |
08/26/1993 | DE4205255A1 Permanently excited DC machine e.g. electric motor - has neighbouring poles of opposite polarity forming common magnet segment |
08/19/1993 | DE4304504A1 Motor housing allowing compact construction - provides yoke opening edge section outer surface mounted on inner surface in bracket perimeter edge section |
08/17/1993 | US5237231 Brush plate assembly for an electric motor |
08/11/1993 | CN1075234A A contact structure for toy motors |
08/10/1993 | US5235230 Miniature motor terminal |
08/10/1993 | US5235227 Noise and vibration dampened electric motor such as for use with a sound movie camera |
08/05/1993 | WO1993015546A1 Electric motor for driving a wheel |
08/03/1993 | US5233253 Multi-phase DC motor |
07/28/1993 | EP0553036A1 Electrical DC motor with predetermined speeds |
07/21/1993 | CN1021683C Miniature motor |
07/14/1993 | CN1074315A Method of manufacturing electrical winding |
07/07/1993 | CN2137838Y Column special-kind electric motor |
07/06/1993 | US5225729 Lap-wound stator with adjustable commutating angle |
07/01/1993 | DE4300769A1 DC motor with two interlayer coupled rotors - uses mechanical interface to increase efficiency to near 100 percent |
06/30/1993 | EP0548362A1 Flat coreless dc motor |
06/30/1993 | EP0317580B1 Electric motor, in particular a drive motor for a drum pump or submersible pump |
06/23/1993 | EP0547935A1 Device for measuring the instantaneous angular position of the rotor of an electrodynamic machine |
06/16/1993 | EP0333869B1 Rotor structure of synchronous motor |
06/09/1993 | EP0545794A1 Electrodynamical machine with inner mounted operation circuit |
06/09/1993 | EP0545793A1 Electrodynamic commutator machine, such as a DC motor, provided with an autosynchronisation sensor and windscreen wiper system using such a motor |
06/09/1993 | EP0545698A2 A contact structure for toy motors |
06/09/1993 | EP0545060A1 Electric machine with a rotor excited by permanent magnets |
06/08/1993 | US5218255 Electric wiper motor with autostop mechanism |
06/02/1993 | EP0544537A1 A stator for miniature motors |
06/02/1993 | EP0522015A4 Method of making an electromagnetic transducer |
06/02/1993 | CN1072803A Stator for miniature motors |
05/26/1993 | EP0543625A2 Permanent magnet dynamoelectric machines |
05/25/1993 | US5214334 Slip ring with balanced center of gravity for use in detecting rotation of motor |
05/25/1993 | US5213017 Neutrally mounted same vibration frequency impact tool |
05/19/1993 | EP0542667A2 Speed regulating device for a hand-held machine tool and its method of manufacture |
05/19/1993 | CN2133985Y Small motor |
05/18/1993 | US5212418 High torque and speed DC motors |
05/11/1993 | CA1317625C2 Stator end member and assemblies therewith and methods of assembly |
05/05/1993 | CN2132333Y Common winding double magnet circuit system motor |
05/04/1993 | US5208482 Coaxial starter |
04/29/1993 | WO1993008635A1 Rotary electric machine |
04/29/1993 | WO1993008634A1 Rotary electric machine |
04/28/1993 | EP0539094A2 A miniature electric motor |
04/28/1993 | EP0538706A2 Electric machine |
04/27/1993 | US5206556 Field magnet for miniature motors |
04/21/1993 | EP0537392A1 Movable brush type AC/DC servo hunting stepper motor |
04/21/1993 | EP0537331A1 Axial gap dual permanent magnet generator |
04/20/1993 | US5204571 Miniature electric motor with rubber stator magnet |
04/20/1993 | US5204569 Anisotropic magnet for rotary electric machine |
04/20/1993 | US5203071 Method of motor construction |
04/14/1993 | CN2130006Y Starter for power saving car |
04/13/1993 | US5202599 Electric motor |
04/06/1993 | US5200658 Electric motor with through-bolt guides for mounting |
03/31/1993 | CN1020226C Miniature motor |
03/23/1993 | US5196747 Universal electric motor |
03/18/1993 | WO1993005561A1 Hand-held tool with an electric motor |
03/17/1993 | EP0531564A1 Rotor for electrical machines |
03/17/1993 | CN2128431Y DC separately excited jor compound motor with controllable dynamic characteristic |
03/16/1993 | US5194772 A-c driven motor and method for forming input terminals thereof |
03/16/1993 | US5194769 Electric motor, in particular electric small-size motor for driving windshield wipers on motor vehicles |
03/11/1993 | DE4129720A1 Handwerkzeugmaschine mit einem elektromotor Portable power tool with an electric motor |
03/04/1993 | DE4128419A1 Permanent magnet-excited DC motor - is provided with appts., for rotor position, speed and-or direction of rotation determn., with at least one magnetic field-sensitive element |
03/03/1993 | EP0529131A1 Rotational speed measurement apparatus for DC motor |
03/03/1993 | EP0529045A1 Controlled motor. |
03/02/1993 | US5191257 Armature of DC motor |
02/24/1993 | CN2127529Y Starting motor of motorcycle |
02/10/1993 | EP0526596A1 Electric motor with fit-on pump. |
02/10/1993 | CN1068915A Miniature motor and method of making same |