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)
07/2003
07/02/2003EP1324473A2 Electric motor
07/02/2003EP1324049A2 Method of measuring motor speed
07/02/2003CN1427529A 电动机 Electric motor
07/02/2003CN1427526A 电机 Motor
07/02/2003CN1427524A Motor
07/02/2003CN1427263A Method for testing speed of electric machine
07/01/2003US6586858 DC voltage powered rotating brush motor
06/2003
06/26/2003WO2003052287A2 Reaction balanced rotary drive mechanism
06/25/2003CN1426623A Servo actuating drive and method for assembling servo actuating drive
06/25/2003CN1426137A Processing method for small motor commutator assembly and small motor and equipment mounted with said commutator assembly
06/19/2003US20030113105 Method of measuring motor speed
06/19/2003US20030111922 Electric motor
06/19/2003US20030111921 Motor and its permanent magnet
06/19/2003US20030111920 Electric motor
06/19/2003US20030111919 Electric motor
06/18/2003EP1320177A2 Circuit board for electric motor and such electric motor
06/18/2003CN2556842Y Integral brushless dc motor
06/18/2003CN2556840Y Ipmroved miniature pancake oscillating motor
06/17/2003US6580237 Direct-current motor and manufacturing method of the same
06/12/2003WO2003049254A1 Small-sized motor, small-sized vibration motor, and portable information device
06/12/2003US20030107293 Cover plate for an electric motor and an electric motor
06/11/2003CN1423396A Thin optical pick-up driving device and its main shaft motor
06/10/2003US6577029 Electric motor-driven mechanism
06/05/2003US20030102767 Motor having brush holder with communication hole
06/05/2003US20030102732 Rectifying structure and rotary machine employing the same
06/04/2003EP1316136A2 Dc- or ac-commutator motors with concentrated windings
06/04/2003CN1422452A Flat type vibrating motor
05/2003
05/29/2003US20030098625 Eccentric commutator for vibrator motor
05/29/2003US20030098623 Motor yoke
05/27/2003US6570350 DC motor rotation detecting apparatus and DC motor rotation control apparatus
05/27/2003US6568066 Miniature motor and method for manufacturing the same
05/27/2003US6568065 Armature for an electromotive device
05/27/2003US6568064 Method of manufacturing motor yoke
05/22/2003WO2003007458A3 Collector motor comprising a cylindrical housing
05/22/2003US20030094863 Starter for engine
05/21/2003CN2552244Y Wide range efficient dc permanent magnet motor for directly driving light wheels
05/20/2003US6566782 Motor armature having distributed windings for reducing arcing
05/20/2003US6566772 Axial directional gap type eccentric rotor having stop position maintaining unit and flat coreless vibration motor using the rotor
05/15/2003US20030090222 Method and apparatus for controlling three-phase power
05/15/2003US20030090165 Flat mechanical electric commutators
05/14/2003EP1311055A2 Starter for engine
05/14/2003CN2550958Y Integrated start magnetic motor without commutator and carbon brush
05/14/2003CN1417928A Permanent magnetic rotary electric device
05/14/2003CN1417923A 电机 Motor
05/14/2003CN1417922A Structure of rotor and stator of AC/DC motor
05/14/2003CN1417466A Engine starter
05/13/2003US6563248 Hybrid-magnet DC motor
05/13/2003US6563245 DC brush motor
05/13/2003US6563242 Slim motor and devices mounting the same motor
05/08/2003WO2003038974A1 Electric machine and manual machine tool comprising the same
05/07/2003EP1000215B1 Electronic module for a drive unit powered by an electrical motor
05/07/2003CN1416203A Direct current motor
05/06/2003US6559571 Programmable brush for DC motors
05/02/2003EP1306963A1 Permanent magnet type rotary electric device
05/01/2003US20030080641 Permanent magnet type rotary electric device
04/2003
04/30/2003CN1414688A Winding method and device for armature in electric rotating machine
04/29/2003US6555943 Geared motor with a connector for a brush mounting plate having a ground brush
04/29/2003US6555939 Structure for a high efficiency DC motor
04/23/2003CN2547057Y Integrated electric bicycle motor
04/23/2003CN1412917A D.C. spoke motor
04/22/2003US6550130 Manufacturing process for a divided stator
04/17/2003WO2003032469A2 Electric machine, especially a starter device
04/17/2003US20030071531 Electric energy-conversion machines with stator windings encircling the rotor
04/16/2003CN1411128A Small electric machine and mfg. method thereof
04/10/2003WO2002068235A3 Field assembly for a motor and method of making same
04/10/2003US20030067242 Direct current commutator motor
04/10/2003US20030067226 Small-sized motor and manufacturing method thereof
04/09/2003EP1300928A2 Small-sized motor and manufacturing thereof
04/09/2003CN1409465A Motor and electric brush holder
04/02/2003EP1297610A1 Electrical drive unit
04/02/2003EP1297603A2 Flux ring for an electric motor
04/02/2003CN2543269Y Uniform magnetic field DC motor
04/01/2003US6541891 Rotor having printed wiring commutator member and flat motor having the rotor
04/01/2003US6541889 DC motor
04/01/2003US6540545 Portable tool motor housing with integral mount for electric components
04/01/2003CA2390392A1 Electric motor and brush retaining assembly
03/2003
03/27/2003US20030057798 Commutator assembly for motor
03/27/2003US20030057788 Commutator motor
03/26/2003CN2541993Y Homopolar torque d.c. dynamo
03/26/2003CN1104184C Vibrator holding device
03/20/2003US20030052566 Commutator for a multi-pole commutator motor and commutator motor provided therewith
03/19/2003EP1294083A2 Winding method and device for an armature for rotary electric machines
03/19/2003EP1293264A1 Small-sized vibrating motor
03/19/2003CN1404200A 振动电动机 Vibration motor
03/18/2003US6534886 Flat type vibration motor
03/13/2003WO2002102534A3 Motor for a power tool
03/13/2003US20030048028 Vibration motor
03/13/2003US20030048027 Brush-equipped motor and method of exchanging brushes thereof
03/13/2003US20030047636 Winding method and device for an armature for rotary electric machines
03/05/2003EP1247067A4 Low cost hall position sensor and method for fabricating the same
02/2003
02/27/2003WO2003017450A1 Sensor magnet integrated in the commutator
02/26/2003CN2538097Y Flat DC iron-core free micromotor
02/26/2003CN1399395A Motor and electric brush unit
02/20/2003WO2003014546A1 Slow release inhibitor-generating device for an ic engine
02/20/2003US20030034746 Electrohydraulic converter, especially a motor pump module for an electronic driving dynamics control system
02/19/2003CN1398036A Oscillating motor
02/19/2003CN1398033A Axially sliding connection brush appliance, its mfg. method and dynamo set with same brush
02/18/2003US6522044 Disc-type commutator for electric rotating machine
02/12/2003CN1397103A Electric device for vehicle
02/11/2003CA2091050C Methods of winding armatures with modified side pattern
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