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)
07/1987
07/29/1987CN86100304A Method for obtaining small step angle, high stable state accuracy and large torque
07/28/1987US4683391 Magnetically floating actuator having angular positioning function
07/15/1987EP0229013A2 Vibration damping apparatus for pulse motor
07/15/1987CN86200872U Tray-type beak-like permanent magnet stepper motor
07/14/1987US4680494 Multiphase motor with facially magnetized rotor having N/2 pairs of poles per face
07/14/1987US4679313 Method of making a servo motor with high energy product magnets
07/07/1987US4678346 Stepping motor for a clock
06/1987
06/23/1987US4675564 Permanent magnet type stepping motor
06/09/1987US4672247 Synchronous or stepping motor with equal-torque stepping
05/1987
05/26/1987CA1222298A1 Reactance-commutated high resolution servo motor system
05/13/1987EP0221228A1 Electric drive
05/12/1987US4665335 Small-sized synchronous motor with specific stator coil length to stator coil radius ratios
05/12/1987US4665330 Step motor particularly for electronic timepieces
04/1987
04/22/1987EP0219299A2 Stepping motor
04/21/1987US4659952 Motor air gap bearing arrangement
04/15/1987EP0218522A1 Permanent-magnet synchronous machine with a plurality of air gaps
04/15/1987EP0218521A1 Variable-reluctance multiphase electric motor
03/1987
03/17/1987US4650159 Flow control device
03/03/1987US4647802 Variable reluctance motor with reduced torque ripple
02/1987
02/24/1987US4645961 Dynamoelectric machine having a large magnetic gap and flexible printed circuit phase winding
02/24/1987US4645409 Outer arm assembly for industrial robot
02/19/1987DE3536238A1 Schrittmotor Stepper motor
02/17/1987US4644246 Electric power supply system for portable miniature size power consuming devices
02/12/1987WO1987000986A1 Stepping motor
02/10/1987US4642494 Means to improve performance of electric motors
01/1987
01/20/1987US4638195 Multiple-pole stepping motor
01/15/1987DE3523806A1 Method for driving a 5-phase stepping motor
01/14/1987EP0208125A1 Automatic tool exchange system for machine tools
01/14/1987EP0208124A2 Improvement in stepper motors
01/14/1987EP0208123A1 Printed-circuit motor
01/13/1987US4636668 Compact-sized permanent magnet type stepping motor
01/13/1987US4636138 Industrial robot
01/07/1987EP0207298A1 Stepper motor
01/07/1987CN86202991U Developed permanent magnet stepper motor
01/06/1987US4634948 Stepping motor winding for bipolar drive
01/06/1987US4634912 Electromechanical transducer having a self-inductance cancelling coil assembly
01/06/1987US4634907 Single phase stepping motor with improved pole arrangement
01/06/1987US4634906 Multiphase motor with magnetized rotor having N pairs of poles with axial magnetization
12/1986
12/30/1986US4633156 Stepping motor assembly
12/30/1986EP0205989A2 Power transmission and braking system
12/30/1986EP0205988A1 Improvements in machine tools
12/17/1986EP0205027A2 Variable reluctance motor with reduced torque ripple
12/16/1986US4629924 Multiphase motor with magnetized rotor having N/2 pairs of poles at its periphery
12/16/1986US4629916 Method and apparatus for harmonics suppression in motor systems
12/02/1986US4626719 Stepping motor having rotor with axially spaced sections
11/1986
11/26/1986EP0202337A1 Stepping motor
11/20/1986EP0201793A2 Motor
11/18/1986US4623809 Stepper motor housing and pole assembly
11/07/1986EP0183792A4 Magnetically assisted stepping motor.
10/1986
10/08/1986EP0196457A1 Single-phase stepping motor
10/07/1986US4615691 Surgically-implantable stepping motor
09/1986
09/10/1986EP0193929A2 Method for making a servomotor
08/1986
08/19/1986US4607204 Five-phase stepping motor
08/19/1986US4607197 Linear and rotary actuator
07/1986
07/29/1986US4602423 Method of making a stator for an electric multiphase motor
07/23/1986EP0187740A1 Single-phase motor with magnetized rotor.
07/22/1986US4601564 Lens barrel having motor
07/22/1986CA1208273A1 Reluctance motor
07/15/1986US4600871 Multi-directional drive type electromagnetic position control apparatus
07/01/1986US4598328 Mechanical damper for disk drives having band drive actuators
06/1986
06/18/1986EP0184647A1 Single-phase stepping motor
06/17/1986US4595871 Stepping motor of hybrid multi-phase type and device for its control
06/17/1986US4595390 Magnetically-adjustable cerebrospinal fluid shunt valve
06/11/1986EP0183854A1 Stepping motor
06/11/1986EP0183792A1 Magnetically assisted stepping motor.
06/11/1986EP0183710A1 Permanent magnet stepping motor apparatus
06/03/1986US4593216 Rotary stepping motor having improved construction
05/1986
05/22/1986WO1986003071A1 Stepping motor
05/20/1986US4589753 Lens mounting having a reversible motor for controlling focusing and aperture setting of a camera
05/13/1986US4588913 Stepping motor linear actuator with internal clutch
04/1986
04/22/1986US4584495 Performance step motor
04/02/1986EP0175978A1 Motor
03/1986
03/05/1986EP0173389A1 Synchronous motor
03/05/1986EP0173388A1 Synchronous motor
02/1986
02/26/1986EP0172603A1 Outer arm assembly for industrial robot
02/19/1986EP0171483A1 Electromechanical transducer
02/18/1986US4571516 Electromagnetic motor
02/12/1986EP0170742A1 Permanent magnet type stepping motor
02/12/1986EP0170741A1 Stepping motor with a rotor
02/05/1986EP0170303A1 An electric power supply system for portable miniature size power consuming devices
01/1986
01/30/1986WO1986000765A1 Single-phase motor with magnetized rotor
01/21/1986US4565955 Synchronous motor device for timepiece
01/07/1986US4563605 Damping device for rotary stepping motor
01/07/1986US4563604 Electromagnetic stepping motor with two coupled rotors
01/07/1986US4563602 Permanent magnet type stepping motor
12/1985
12/19/1985WO1985005741A1 Stepping motor
12/17/1985US4559461 Stepping motor
12/17/1985CA1198144A1 Method of supporting the rotor of a stepper motor, and stepper motor including such support
12/10/1985US4558244 Micro stepping motor
12/05/1985WO1985005507A1 Magnetically assisted stepping motor
12/04/1985EP0162966A2 Electric stepper motor
11/1985
11/26/1985CA1197278A1 Stepper motor having rotor with limited axial movement
11/21/1985EP0161582A1 Stepping motor assembly
11/19/1985CA1196947A1 Self starting reluctance motor
11/12/1985US4553080 Position transducer
11/12/1985US4552505 Industrial robot having direct coaxial motor drive
11/05/1985US4551708 Position sensing device
11/05/1985CA1196368A1 High torque robot motor
10/1985
10/08/1985US4546278 Winding for subjecting the rotor of a stepping motor to two magnetic fields symmetric to two perpendicular axes by energization of one winding
09/1985
09/26/1985WO1985004269A1 Permanent magnet stepping motor apparatus
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