Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors
Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
11/2003
11/18/2003US6648786 Gearmotors
11/13/2003US20030209951 Commutating rotary switch
11/12/2003EP1361647A2 Commutator rotary switch
11/12/2003EP0708999B2 Driving device for an adjustable part of a vehicle
11/12/2003CN2586287Y Magnetic power machine
11/12/2003CN1455501A Fuel pump of compact structure for use in high torque
11/12/2003CN1455500A Power source commutating apparatus for multi-phase direct current motor
11/06/2003WO2003092021A1 Flexible magnet and method for manufacturing motor using the same
11/06/2003WO2003091737A1 Method and device for determining the rotational speed and/or rotational direction and/or the position of a shaft in an electric motor
10/2003
10/30/2003US20030202893 Fuel pump for high torque in compact structure
10/30/2003US20030201690 Small brush motor
10/29/2003CN2583868Y Electric power-aid steering electric machine
10/29/2003CN1452302A 换向器电动机 Commutator motor
10/29/2003CN1452295A Rotary electric machine
10/29/2003CN1451563A Multicompatible mode power supply driving plate for using for magnetic suspension train
10/29/2003CN1126234C Method for producing rotor or stator of electric machine from sheet blanks
10/28/2003US6639328 Microturbine/capacitor power distribution system
10/23/2003WO2003088456A1 Fuel cell powered electrical motor
10/22/2003CN2582263Y Sliding-ring permanent-magnet DC motor
10/22/2003CN2582262Y Double-surface and spiral-winding motor
10/16/2003US20030193261 Integrated commutator with sense magnet
10/16/2003US20030193257 Rotating-electric machine
10/15/2003CN2580670Y DC spoke electric motor
10/15/2003CN1449095A DC exciting magnetic motor
10/15/2003CN1449093A Rotary motor
10/14/2003US6632128 Angle grinder with electric drive
10/09/2003US20030190877 Angle grinder
10/09/2003US20030189385 Hybrid magnet type DC motor
10/09/2003US20030189384 Direct current motor using magnets with extensions
10/07/2003US6630806 System for controlling a rotary device
10/07/2003US6630759 Eccentric rotor and vibrator motor incorporating the rotor
10/02/2003US20030184095 Alternator-starter for motor vehicle with mechanical static converter
10/01/2003CN2577497Y Commutator assembly and small-sized motor with said commutator assembly
10/01/2003CN2577493Y Brush holding base for small-sized motor and small-sized motor mounted with said base
10/01/2003CN1446396A Universal frequency electrical generator
09/2003
09/30/2003US6628893 DC motor rotation control apparatus
09/30/2003US6628030 Direct current motor using magnets with extensions
09/30/2003US6628025 Micro-motor and apparatus using the same motor
09/24/2003CN1444329A Magnetic field reaction high-effective D.C. motor
09/18/2003US20030173848 Small-sized motor and manufacturing method thereof
09/18/2003US20030173843 Electric actuator
09/17/2003EP1344301A1 Brushless dc motor sensor control system and method
09/17/2003CN2574286Y Rotor of DC brush motor
09/17/2003CN1442945A Power driven wheel
09/16/2003US6621188 Flat type vibration motor
09/12/2003WO2003032469A3 Electric machine, especially a starter device
09/10/2003CN2572658Y Permanent dc low speed electric hub with static armature
09/10/2003CN2572657Y Miniature dc motor rotor
09/10/2003CN2572651Y DC motor
09/10/2003CN1441987A Portable device and motor mounted thereto via elastic member
09/10/2003CN1441533A Rotary motor
09/10/2003CN1441529A 双调速电动机 Dual speed motor
09/09/2003US6617816 DC motor rotation detecting apparatus and DC motor rotation control apparatus
09/09/2003US6617748 Machine with cup-shaped armature and air gap
09/09/2003US6617737 Apparatus and method of powering light source
09/09/2003US6617724 Non-circular, flat motor
09/04/2003US20030164652 Motor equipped with rotation sensor
09/03/2003EP0918996B1 Motor with speed of rotation detected by a hall sensor
09/03/2003CN2571058Y DC motor having same basic structure as AC asynchronous motor
09/03/2003CN2571057Y Minisized DC magneto stator
09/03/2003CN1440108A Miniature motor rotor
09/03/2003CN1440093A Motor and manufacture thereof
09/03/2003CN1120372C Rotation speed detector
08/2003
08/28/2003US20030159271 Motor armature having distributed windings for reducing arcing
08/26/2003US6611077 Motor having a commutator
08/21/2003WO2003069764A1 A high efficiency dc. motor
08/21/2003US20030155824 Motor having clutch
08/20/2003CN1437303A Motor assembling apparatus
08/19/2003US6608410 Motor having shaft-grounding arrangement
08/14/2003WO2003067742A1 Arrangement for securing an annular magnet to a rotor shaft
08/14/2003WO2003067741A1 Rotor for an electric machine
08/14/2003US20030150103 Motor assembling apparatus
08/14/2003DE20307048U1 Electrodynamic machine, especially very small permanent magnet stimulated motor, has one end cover with inward protrusion carrying rotor shaft bearing bushes, and other cover with commutator brushes
08/13/2003EP1335481A2 Motor assembling apparatus
08/08/2003CA2417324A1 Motor assembling apparatus
08/07/2003WO2003055035A3 Electric motor and method for the production thereof
08/06/2003EP1332542A2 Motor with brush and commutator, and electric apparatus using the same motor
08/06/2003CN2565196Y DC electric machine
08/06/2003CN1434556A Eccentric rotator and flat type motor having same
08/06/2003CN1117000C Gearing mechanism housing
07/2003
07/30/2003CN2563823Y Permanent magnetic DC motor
07/30/2003CN1433124A Permanent magnetic brush DC motor
07/24/2003US20030137210 Integrated commutator and slip-ring with sense magnet
07/23/2003EP1330014A1 Electric motor
07/23/2003CN1431756A Motor device and its permanant magnet
07/22/2003US6597080 Method of manufacturing a rotary electric machine and a rotary electric machine
07/17/2003US20030132681 Rotating electrical machine with permanent magnets and method of making same
07/16/2003EP1328056A1 A motor and its permanent magnet
07/16/2003EP1327497A2 Angle grinder
07/15/2003US6593675 Vibration motor
07/10/2003US20030127940 Rotor for small motors and manufacturing method therefor
07/10/2003US20030127932 Portable motor powered device
07/09/2003EP1326322A1 PMDC motor with speed sensor
07/09/2003EP1114503B1 Commutator motor
07/09/2003EP1057243B1 Rotation angle measuring device with magnetised commutator
07/09/2003CN2560155Y Plate type permanent magnetic brushless electric machine
07/09/2003CN2560154Y Permanent magnetic DC motor
07/03/2003WO2003055043A1 Encoder apparatus integrated with a small-size motor
07/03/2003WO2003055035A2 Electric motor and method for the production thereof
07/03/2003US20030122444 Rotor for small motors and manufacturing method therefor
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