Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 37 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
Patents for H02K 37 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors (3,591)
07/2003
07/23/2003EP0829128B1 A self-starting brushless electric motor
07/22/2003US6597077 Stator coil T-connection for two-phase step motors
07/22/2003US6596215 Method of manufacturing a stepping motor
07/10/2003WO2003056689A1 Step motor and manufacturing method of the same
07/09/2003CN1114255C Reluctance motor with fractional pitch winding and drive thereof
07/02/2003CN1427533A Step motor
06/2003
06/25/2003CN1425864A Step motor electric electronic expanding valve
06/18/2003CN1424809A Step motor
06/18/2003CN1424808A Assembly of motor, motor and manufacture thereof
06/12/2003WO2003049261A1 Stepping motor
06/12/2003US20030107274 Stepping motor
06/11/2003CN1423399A Step-by-step motor rotor magnetic field structure and its manufacture method
06/11/2003CN1423398A Step-by-step motor
06/11/2003CN1423397A Step-by-step motor
06/05/2003US20030102760 Stator coil t-connection for two-phase step motors
06/05/2003US20030102751 Electric motor
06/05/2003US20030102727 Permanent magnet type rotary machine
06/05/2003US20030102726 Stepping motor
05/2003
05/28/2003EP1315275A1 Stepping motor
05/28/2003CN1420597A Sealed structure motor and use method thereof
05/22/2003US20030094860 Motor utilizing basic factor and having generator function
05/21/2003EP1313199A2 End play adjusting assembly for sealed motor
05/21/2003CN1109398C Motor and advancing device
05/07/2003CN1416207A Intelligent step motor
05/06/2003US6559569 Motor device
05/02/2003EP1183770B1 Step motor with double coil in a plane
04/2003
04/30/2003CN1107371C Electromechanic transducer having multipolar permanent magnets
04/30/2003CN1107370C Hybrid-type stepping motor
04/23/2003CN1412920A Permanent-magnet type rotary electric machine
04/22/2003US6552453 Magnetic pole position detector for an electric motor
04/22/2003US6552451 Stepping motor, printing device using it or paper feeding device, and printer
04/16/2003EP1303030A2 Permanent magnet stepping motor
04/16/2003EP1116317A4 Electric drive (options)
04/16/2003CN1411127A 电动机 Electric motor
04/15/2003US6548923 Two-phase hybrid type stepping motor
04/15/2003US6548922 2-Pole stepper motor for timepiece
04/08/2003US6545376 Three-phase hybrid type stepping motor
04/03/2003WO2003028193A1 Two-or three-phase polyphase motor
04/03/2003WO2003028192A1 Brush-less motor using vernier structure
04/03/2003US20030062801 Motor
04/03/2003US20030062779 Three-phase hybrid type stepping motor
04/02/2003CN2543271Y Rotor structure of permenent-magnet step-by-step motor
04/02/2003CN1407697A Step motor
04/02/2003CN1407696A Three-phase hybrid step motor
04/01/2003US6541886 Motor
03/2003
03/26/2003CN1104085C Electromagnetic motor with two coaxial rotors
03/25/2003US6536567 Inertia damper and method for manufacturing same
03/20/2003US20030052553 Multi-phase flat-type PM stepping motor and driving circuit thereof
03/20/2003US20030052552 Permanent magnet type three-phase stepping motor
03/19/2003EP0980599B1 A motor
03/19/2003CN1404202A Method for producing terminal and method for producing motor
03/13/2003US20030048033 Step motor with interpole pair stabilizing rest position
03/13/2003US20030048012 Stepping motor
03/05/2003EP1289102A2 Three-phase hybrid type stepping motor
02/2003
02/26/2003CN1399399A Permanent magnetic three phase stepped motor
02/18/2003US6520109 Heat insulation arrangement of indicating instrument
02/18/2003US6520108 Shaft arrangement of indicating instrument
02/11/2003US6518681 Motor utilizing basic factor and having generator function
02/11/2003CA2138617C Cylindrical electromechanical transducer
02/05/2003EP1282017A2 Two-pole step motor for timepiece
02/04/2003US6515390 Electric drive apparatus with a rotor having two magnetizied disks
01/2003
01/29/2003EP1280262A2 Permanent magnet type three-phase stepping motor
01/29/2003CN1393982A Three-phase ring coil type permanent magnet rotary motor
01/28/2003US6512318 Self-starting electric brushless motor having permanent magnet and reluctance poles
01/28/2003US6512314 Stepping motor having characteristics of an inertia damper
01/23/2003US20030015923 Motor device
01/22/2003CN1099752C Permanent magnetic composite uniphase step motor
01/21/2003US6509663 Stepping motor
01/16/2003WO2003005530A2 An integrated position resolver for hybrid synchronous electric motors
01/15/2003CN1391331A Motor and manufacture thereof
01/09/2003US20030006656 Display devices
01/07/2003US6504272 Multi-phase electric rotating machine having toroidal coils and using method thereof
01/02/2003EP1271753A2 Three-phase toroidal coil type permanent magnet electric rotating machine
01/02/2003EP1268250A1 Electromechanical wheel brake device
12/2002
12/31/2002US6500083 Automatic transmission
12/19/2002US20020190591 Motor and method of manufacturing the same
12/19/2002US20020190585 Three-phase toroidal coil type permanent magnet electric rotating machine
12/19/2002US20020190584 Stator structure of claw-pole type stepping motor
12/18/2002EP1267470A1 Stator structure of claw-pole type stepping motor
12/10/2002US6492751 Magnetic device with spaced apart pole plates, flux return strip and electrical connector having integral mounting
12/05/2002US20020180302 Claw-pole type stepping motor
12/05/2002US20020180282 PM stepping motor
12/04/2002EP1263121A2 Permanent magnet stepping motor
12/04/2002EP1263115A2 Claw-pole type stepping motor
12/03/2002US6489696 Motor having rotor formed by using thermosetting resin
11/2002
11/28/2002US20020175586 Electric machine with soft magnetic teeth
11/28/2002US20020175581 Permanent magnet motor
11/28/2002US20020175580 Motor utilizing basic factor and having generator function
11/27/2002CN1095241C Claw potar type step motor with one stator
11/26/2002US6486576 Permanent magnet type stepping motor
11/21/2002WO2002093720A1 Universal motor/generator/alternator apparatus
11/21/2002DE10121907A1 Multiple shaft motor e.g. for vehicle ventilation system, has suitably mutually inclined rotation axes of at least 2 permanent magnet rotors and/or planes to which rotation axes are each inclined and that contain stator parts
11/20/2002EP1097504A4 Multi-functional electric stepper motor assembly
11/14/2002WO2002078153A8 Low profile motor with internal gear train
11/13/2002EP0998781B1 Claw pole motor
11/13/2002CN1379533A Premanent magnet electric machine
11/12/2002US6479911 PM type stepping motor
11/12/2002US6477918 Rotary electric machine having coaxial output hollow shaft with reduction gear and slip ring
11/06/2002EP1254502A2 Reluctance stepping motor
10/2002
10/31/2002US20020158521 Magnet type stepping motor
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