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)
01/1999
01/13/1999CN1041671C Method for manufacturing assembled parts of stator of step-in-motor
01/05/1999US5856718 Pressurization device for the rotor of a motor
01/05/1999US5856714 Hybrid type stepping motor
12/1998
12/29/1998US5854526 Three-phase permanent-magnet electric rotating machine
12/23/1998EP0829129B1 Electromagnetic actuator magnetically locked into two or more stable positions
12/22/1998US5852334 Staggered pole switched reluctance motor
12/08/1998US5847485 For driving a memory apparatus
12/08/1998US5845390 Structure of PM step motor and its fabrication
11/1998
11/18/1998EP0878047A1 Staggered pole switched reluctance motor
11/17/1998US5838080 Stepper motor for clockwork in which the stator consists of a soft magnetic alloy and soft magnetic alloy
11/12/1998WO1998050998A1 A motor
11/12/1998CA2288643A1 A motor
11/11/1998CN1198853A Stepping motor and method for assembling the same
11/10/1998US5834866 Motor structure
11/10/1998US5834865 Hybrid stepping motor
11/03/1998US5831356 Compact cylindrical stepping motor and advancing device
11/03/1998US5829119 Stator assembly of rotary electric device and method of assembling the same
10/1998
10/21/1998EP0635929B1 Stepping motor of multiphase hybrid type and drive arrangement
10/20/1998US5825115 Electric motor and indicating mechanism, in particular for indicating instruments in motor vehicles
10/20/1998US5825106 Bi-directional biphase electromechanic transducer having multipolor magnets
10/14/1998EP0871283A2 A pressurization device for the rotor of a motor
10/14/1998EP0635928B1 Stepping motor of multiphase hybrid type and drive arrangement
10/06/1998US5818143 Claw pole type synchronous motor
09/1998
09/30/1998CN1194487A 步进电动机 Stepper motors
09/29/1998US5814914 Electric motor or generator
09/29/1998CA2064529C Magnetic eccentric motion motor
09/16/1998CN1193133A Control device for step-by-step motor, and control method and timing device thereof
09/08/1998US5804901 Energy conversion device using permanent magnets
09/03/1998WO1998038725A1 Stepper motor
09/03/1998WO1998038724A1 Connection structure of stepping motor
08/1998
08/26/1998CN1191640A Self-starting brushless electric motor
08/25/1998US5798594 Brushless synchronous rotary electrical machine
08/19/1998EP0859451A1 Stepping motor
08/19/1998EP0859449A1 Motor provided with power transmitting means
08/19/1998EP0859295A1 Stepping motor control device and method thereof and timepiece
08/19/1998EP0859294A1 Control device for stepping motor, control method for the same, and timing device
08/19/1998CN1190755A Step motor controller, control method and timing device
08/12/1998CN1190277A 电动机 Electric motor
08/11/1998CA2135817C Combined linear-rotary stepping motor
08/05/1998EP0856939A1 Rotation driving system improved in detection of a rotation angle of a stepping motor
07/1998
07/29/1998EP0855298A1 Rotation driving system simple in structure and capable of reliably detecting abnormal rotation of a stepping motor
07/22/1998EP0634832B1 Stepping motor of multiphase hybrid type and drive arrangement
07/22/1998EP0634831B1 Stepping motor of multiphase hybrid type and drive arrangement
07/14/1998US5780944 Two-phase permanent-magnet electric rotating machine
07/01/1998EP0851560A1 Compact stepping motor
07/01/1998CN1186374A Electromagnetic motor with two coaxial rotors
07/01/1998CN1186372A Electric motor driving apparatus and fixing structure for magnetic sensor
07/01/1998CN1186368A Monophase electromechanical transducer, in particular of horological type, and electromechanical device including at least one such transducer
06/1998
06/24/1998EP0849867A1 Stepping motor and its application
06/24/1998CN1185682A compounded step-by-step motor
06/23/1998US5770900 Stepper motor
06/17/1998EP0848483A1 Method of manufacturing stepping motor and yokes thereof
06/17/1998CN1184964A Two-phase electromechanical transducer and electromechanical device including at least one such transducer
06/16/1998US5767598 Motor and electronic parts-mounting apparatus incorporating the motor
06/04/1998WO1998024169A1 Stepping motor
06/04/1998WO1998024167A1 Switched reluctance electric motor
06/03/1998EP0845850A1 Electromagnetic motor with two coaxial rotors
06/02/1998US5760503 Stepping motor having rotor sections with permanent magnets disposed thereon at a constant pitch
05/1998
05/26/1998US5757108 Motor
05/19/1998US5754025 Iron core motor device
05/12/1998US5751086 Multipolar motor with two rotors
05/07/1998WO1998019384A1 Stepping motor
05/07/1998WO1998019072A1 Bearing and motor
05/07/1998WO1998008290A3 Brushless synchronous rotary electrical machine
05/05/1998US5747898 Method for driving stepping motor of multiphase hybrid type
05/05/1998US5747897 Stepping motor having improved construction to reduce parts and facilitate manufacture
04/1998
04/29/1998EP0838891A1 Energy conversion device using permanent magnets
04/23/1998DE19643791A1 Position control motor based on electronic commutator synchronous motor
04/22/1998EP0837544A1 Motor structure
04/14/1998US5739604 Lighting effect system
04/07/1998US5736806 Cylindrical electrochemical transducer
04/01/1998CN1177856A Step-by-step motor
03/1998
03/31/1998US5734210 Driven by a stepping motor
03/24/1998US5731649 Electric motor or generator
03/18/1998EP0829129A1 Electromagnetic actuator magnetically locked into two or more stable positions
03/18/1998EP0829128A1 A self-starting brushless electric motor
03/18/1998CN1176515A Stepper motor for clockwork in which stator consists of soft magnetic alloy and soft magnetic alloy
03/17/1998US5729071 Low cost multi-pole motor constructions and methods of manufacture
03/10/1998US5726510 Method for driving stepping motor of multiphase hybrid type
03/10/1998US5726509 Dielectric motor
03/04/1998EP0827256A1 Stepping motor for timepiece with stator made of a soft magnetic alloy and soft magnetic alloy
03/04/1998EP0826260A1 Low cost twin bobbin motors and methods for making same
03/03/1998US5723926 Stepping motor
03/03/1998US5723921 Hybrid-type stepping motor
02/1998
02/26/1998WO1998008290A2 Brushless synchronous rotary electrical machine
02/25/1998EP0824780A1 Low-cost synchronous or stepper motor
02/17/1998US5719452 Hybrid-type stepping motor
02/10/1998US5717316 Motive power generating apparatus utilizing energy of permanent magnet
02/05/1998WO1998005114A1 Stepping motor
02/05/1998WO1998005113A1 Stepping motor
02/04/1998CN1172556A Low cost twin bobbin motors and methods for making same
02/03/1998US5714813 Return-to-origin mechanism in motor actuator
01/1998
01/28/1998CN1171648A Switch governor motor
01/27/1998US5712521 Hybrid synchronous machine with transverse magnetic flux
01/20/1998US5710466 Fully integrated magnetic micromotors and methods for their fabrication
01/15/1998WO1998001932A1 Reluctance machine with fractional pitch winding and drive therefor
01/14/1998CN1170271A 步进电机 Stepper motor
01/13/1998US5708310 Permanent magnet type stepping motor
01/07/1998EP0817360A2 Hybrid type stepping motor
01/06/1998US5705970 Filler powder
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