Patents
Patents for H02K 11 - Structural association with measuring or protective devices or electric components, e.g. with resistor, with switch, with suppressor for radio interference (17,781)
10/1988
10/05/1988EP0284711A2 Device to measure the coil temperature of a direct-current motor without brushes
10/04/1988US4775787 Motor with pulse encoder having a completely shielded light receiving element
09/1988
09/27/1988US4774464 Magnetic rotary sensor for detecting absolute position of rotating body
09/27/1988US4774463 Bearing associated with means for determining rotational speed
09/27/1988US4774424 Device for measuring the induction in the air gap of a magnetic bearing
09/27/1988CA1242482A2 Electric motors and method of manufacturing and operating same
09/14/1988CN88101107A Miniature motor
09/14/1988CN88100816A Electric generator inspection system and motor controller
09/13/1988US4770522 Automobile mirror position sensor and adjuster assembly
09/06/1988US4769572 Electrical appliance for personal use
09/06/1988CA1241683A1 Sub-assembly for electric motor including reversing switch
09/01/1988DE3705528A1 Linear drive unit
08/1988
08/24/1988EP0279220A2 Leakage indicating device for a magnetic centrifugal pump
08/23/1988US4766387 Motor winding insulation resistance monitoring system
08/09/1988US4762463 Fan having speed indicator
07/1988
07/28/1988DE3742151A1 Electrical apparatus having overheating protection
07/27/1988EP0275251A1 Alternator assembly.
07/26/1988US4760297 Small appliance driven by unidirectional single-phase synchronous motor
07/20/1988EP0274691A1 Fault diagnosis system for rotor winding of rotary electric machine
07/19/1988US4758769 Apparatus for sensing direction of rotation
07/19/1988US4758754 Portable electric tool with variable torque
07/19/1988US4757604 Method of assembling a switch and terminal assembly to a dynamoelectric machine
07/12/1988US4757221 Alternator for automobile
07/12/1988US4756207 Motor-speed reducer for the simultaneous driving of two structures
07/06/1988EP0273052A1 Device for detecting the rotational position of rotor of motor
07/06/1988CN87108170A Motor with cable connector
07/05/1988CA1238934A1 Sub-assembly for electric motor with stator terminal connection means
06/1988
06/28/1988US4754179 Dynamoelectric machine
06/23/1988DE3642727A1 Underwater motor-driven pump
06/23/1988DE3642726A1 Variable-speed pump set
06/22/1988EP0271678A1 Device for reducing shaft voltages at dynamo-electric machines
06/21/1988USRE32702 Brushless D.C. motor assembly
06/21/1988US4751848 Vibration sensor
06/07/1988US4750077 Coil device
06/07/1988US4749895 Device for feeding electricity to apparatus placed inside a Faraday cage
06/02/1988WO1988004030A1 Method of fixing pulse encoder to motor and pulse encoder-carrying motor
06/01/1988EP0268770A1 Radioshielded DC commutator motor
06/01/1988DE3636626C1 Electromotive drive device
05/1988
05/31/1988US4748356 Electric fuel pump
05/25/1988EP0268015A2 Canned motor pump or pump with an encased magnetic coupling
05/25/1988EP0268013A2 Canned motor pump or pump with an encased magnetic coupling
05/19/1988DE3735370A1 Actuator which can be disinfected and decontaminated
05/17/1988US4745315 Brushless exciter with zero-gravity rectifier assembly
05/10/1988US4744041 Method for testing DC motors
05/10/1988US4743848 Method of testing a stepping motor
04/1988
04/27/1988CN87106108A Electromechanical actuator
04/26/1988US4740733 Autosynchronous motor comprising a device for determining the position of the rotor relative to the stator, and method of starting such motor
04/26/1988US4740725 Hydraulic microturboalternator
04/21/1988DE3634214A1 Drive motor for an apparatus
04/19/1988US4739204 Liquid cooled a.c. vehicle generator
04/06/1988EP0263010A1 Device for feeding electrical apparatuses placed inside a Faraday cage
04/06/1988EP0262907A1 Improved alternator
03/1988
03/29/1988US4734607 Miniature motor with spark quenching connection between commutator and brushes
03/29/1988US4734602 Motor protector receptacle for a refrigeration compressor
03/18/1988EP0247138A4 Electric generator cooling arrangement.
03/16/1988EP0260040A1 Suppression in electric motors
03/16/1988EP0259729A1 Stepped electronic component for a rotary thyristor excitation in electric machines
03/16/1988CN87106152A Electric motor with velocity indicating device
03/10/1988WO1988001802A1 Electrical machine, in particular electric motor
03/09/1988EP0259025A2 Electric motor with velocity indicating device
03/09/1988EP0258691A2 Voltage regulator for a generator
03/09/1988EP0258677A1 Carrier plate for installing in an electric motor
03/09/1988EP0258562A1 Fuse protection device, particularly for electric motors
03/09/1988CN87106158A Suppression in electric motors
03/08/1988US4730164 Device for detecting abnormal conditions in a stepping motor
03/08/1988US4730135 Vehicular-type alternator with contamination-protected slip rings
03/01/1988US4728835 Electric motors
03/01/1988US4728834 Compact digital resolver/encoder assembly with flexible circuit board
03/01/1988CA1233544A1 Hermetic compressor including a terminal block and thermal protection retainer means
02/1988
02/24/1988EP0256769A1 Electromechanical actuator
02/23/1988US4727274 Commutator motor of a closed design with an external electrical connector housing
02/23/1988US4726746 Electrically-operated fuel pump
02/17/1988CN86104978A Magnetic machine
02/10/1988EP0255736A1 Automatic tool exchange apparatus
02/09/1988US4724347 Collectorless direct-current motor
02/04/1988DE3625109A1 Stator for induction motors
02/02/1988US4722226 Acoustic monitor for rotary electrical machinery
01/1988
01/27/1988EP0254085A2 Method of testing a stepping motor
01/26/1988US4721894 Temperature monitor system for an intermittent duty wound field motor
01/20/1988EP0252948A1 Motor system
01/19/1988US4720645 Dual output alternator
01/07/1988EP0251350A2 Electric motor
12/1987
12/30/1987CN87104183A Miniature motor fitted with speed governor
12/29/1987US4716486 Electric motor comprising a thermistor-type overcurrent protection device
12/29/1987US4716326 Electric motor with adjustable switch location
12/29/1987US4715732 Bearing assemblies for motors
12/15/1987US4712441 Position controlled linear actuator
12/08/1987US4712030 Heat sink and mounting arrangement therefor
12/03/1987DE3716625A1 Permanent-magnet-energised (excited) electric motor
12/02/1987EP0247567A1 Absolute-angle measuring device
12/02/1987EP0247495A2 Electrical apparatus for personal use
12/02/1987EP0247138A1 Electric generator cooling arrangement
12/01/1987US4710657 For agricultural/industrial construction use
11/1987
11/25/1987EP0246325A1 Cross-flow cooling fan device
11/17/1987CA1229364A1 Rotating rectifier assembly
11/11/1987EP0244845A2 Continuous transformer and motor
11/11/1987EP0244487A1 Cross-flow cooling fan device
11/10/1987US4705983 Easily serviceable alternator, particularly for vehicular use
11/10/1987US4704906 Dynamic air gap measuring device for use with rotating electrical machinery
11/04/1987EP0243973A2 Compact disk drive