Patents
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)
08/1996
08/27/1996US5549013 Stepping actuator
08/27/1996US5548885 Method of manufacturing stator for stepping motor
08/14/1996EP0726639A2 Step motor
08/13/1996US5545938 Doubly salient reluctance machines
08/08/1996WO1996024187A1 Low cost twin bobbin motors and methods for making same
08/07/1996EP0725262A2 Display device
07/1996
07/31/1996CN2232171Y Radial magnetic circuit dual phase mixed stepping motor
07/10/1996EP0721249A2 Electromagnetic stepping motor with two directions of rotation
07/02/1996US5532531 Permanent magnet type brushless motor
06/1996
06/26/1996EP0718960A1 Multiphase multipolar stepping motor
06/20/1996DE4445038A1 Half-linear drive for piece goods esp., for transporting individually packaged lightweight items moved along a path by rotation symmetrical carrying arrangement,
06/04/1996US5523634 Stepping motor
05/1996
05/28/1996US5521451 Low-cost stepping or synchronous motor
05/22/1996EP0649577B1 Fault-tolerant reluctance motor
05/14/1996US5517102 Fault-tolerant reluctance motor
05/07/1996US5514960 For converting input circuit current to output motion
05/01/1996EP0709648A2 Method and apparatus for sensing relative position between two relatively rotatable members using concentric rings
04/1996
04/18/1996DE19534976A1 Stepper motor e.g. permanent magnet type, or variable reluctance or hybrid type
04/10/1996EP0706099A1 Epicycloidal stepping motor
04/04/1996DE4434577A1 Stepper motor with step-angle monitoring
03/1996
03/27/1996EP0703660A1 Stator assembly of rotary electric device and method of assembling the same
03/26/1996US5501201 Flow quantity valve controller and manufacturing method for flow quantity valve
03/26/1996US5500994 Method of manufacturing a rotor
03/13/1996EP0701069A1 Bearing system in a motor for FDD
03/13/1996CN1118534A Linear reluctance motor
02/1996
02/21/1996EP0697762A1 Stepping motor with prevailing axial rotor magnetisation
02/14/1996EP0696836A1 Electromagnetic stepping motor with two directions of rotation
02/13/1996US5491398 Repulsion motor
02/07/1996EP0696101A2 Stepper motor with integrated threaded driving assembly
02/07/1996CN2219539Y High-current rotation multi-position switch driven by pulse motor
01/1996
01/31/1996EP0695022A2 Stepper motor with integrated threaded driving assembly
01/31/1996EP0695021A2 Stepper motor with integrated threaded driving assembly
01/23/1996US5486054 Bearing system in a motor for a floppy disk drive apparatus
01/16/1996US5485046 Variable reluctance electric motor
01/11/1996DE19522287A1 Herstellungsverfahren für Planar-Mikromotoren Preparation for Planar micromotors
01/03/1996EP0690549A1 An electrical rotating machine
01/02/1996US5481147 Synchronous inductor electric motor
12/1995
12/29/1995EP0733279A4 Repulsion motor
12/27/1995EP0689278A1 Stepping motor
12/19/1995US5477120 Method for driving stepping motor of multiphase hybrid type
12/07/1995DE4418995C1 Prodn. of clockwork mechanism used in mfr. of micro-step motors
12/06/1995EP0685920A1 Stepping motor device
12/06/1995EP0685640A2 Flow quantity valve controller and manufacturing method for flow quantity valve
12/06/1995EP0685121A1 Field weakening for a doubly salient motor with stator permanent magnets
11/1995
11/23/1995DE4417297A1 Electromagnetic stepper motor with two directions of rotation
11/21/1995US5469421 Floppy disk drive device
10/1995
10/25/1995CN1110842A A spindle motor with an iron care
10/18/1995CN1110370A Lubricating oil supply unit for two-cycle engines
10/03/1995US5455473 Field weakening for a doubly salient motor with stator permanent magnets
09/1995
09/06/1995EP0429625B1 Compact monophase electromagnetic actuator
09/06/1995CN1108015A Linear-rotative combined stepped electric motor
08/1995
08/22/1995US5444316 Hybrid stepping motor, driving method for the same and coil winding method for the same
08/03/1995DE4447027A1 Iron core motor for driving rotor
07/1995
07/26/1995CN1105787A Linear motor and its electrical control system for magnetic field scanning physiotherapy machine
07/20/1995DE4400920A1 Stepper motor for actuator
07/12/1995CN1105158A Method for manufacture of small electric motor and rotator of same
07/05/1995EP0661794A1 Cylindrical electromechanical transducer
06/1995
06/13/1995US5424625 Repulsion motor
06/07/1995EP0656157A1 Electric fan motor.
05/1995
05/31/1995EP0655825A1 Combined linear-rotary stepping motor
05/31/1995CN1103241A Method for driving stepping motor of multiphase hybrid type
05/31/1995CN1103240A Method for driving stepping motor of multiphase hybrid type
05/24/1995CN1102936A Method for driving stepping motor of multiphase hybrid tpe
05/24/1995CN1102935A Method for driving stepping motor of multiphase hybrid type
05/24/1995CN1028582C Energization coil device, method of making such device and electromagnetic micromotor fitted therewith
05/23/1995US5418588 Aperture size adjustment device for a camera with a stepping motor drive source
05/04/1995DE4336596A1 Electric-motor actuating element
05/03/1995EP0533767B1 Electric motor
05/02/1995US5412266 Miniature motor with magnetized rotor end faces forming axial magnetic attraction force between rotor and housing
05/02/1995US5412265 Planar micro-motor and method of fabrication
04/1995
04/26/1995EP0649577A1 Fault-tolerant reluctance motor.
04/25/1995US5410200 Hybrid type stepping motor
04/18/1995US5408151 Electromagnetic motor, in particular of the stepping type, including a case engaged within a stator
04/11/1995US5406158 Miniature synchronous motor
03/1995
03/29/1995EP0645555A1 Dämper for gear driven by a stepmotor
03/15/1995EP0643469A1 Apparatus for rotating a load carrying base
03/07/1995US5396139 Polyphase electromagnetic transducer having a multipolar permanent magnet
03/01/1995EP0640895A1 Stepping motor for an electric timepiece
02/1995
02/14/1995US5389846 Miniature motor
01/1995
01/31/1995US5386162 Redundant switched reluctance motor
01/31/1995US5386161 Permanent magnet stepping motor
01/25/1995EP0635929A1 Method for driving stepping motor of multiphase hybrid type
01/25/1995EP0635928A1 Method for driving stepping motor of multiphase hybrid type
01/25/1995EP0635926A2 Miniature synchronous motor
01/24/1995US5384506 Stepper motor
01/24/1995CA2128402A1 Miniature synchronous motor
01/18/1995EP0634832A1 Method for driving stepping motor of multiphase hybrid type
01/18/1995EP0634831A1 Method for driving stepping motor of multiphase hybrid type
01/18/1995EP0634830A1 Limited angle torque motor
01/12/1995DE4423952A1 Stepping motor
01/11/1995EP0587685B1 Low-cost stepping or synchronous motor
12/1994
12/21/1994EP0630098A2 Composite magnet stepper/torquer motor
12/20/1994US5374865 Multi-phase hybrid stepper motor
12/08/1994CA2125248A1 Composite magnet stepper/torquer motor
11/1994
11/29/1994US5369324 Electric stepper motor
11/29/1994US5369323 Composite magnet stepper motor
11/29/1994US5369322 Electromagnetic motor of the finite rotational type
10/1994
10/25/1994US5359246 Low backlash direct drive actuator
10/13/1994WO1994023490A1 Repulsion motor
10/12/1994EP0619642A2 Micro-motor and method of fabrication
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