Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
08/1995
08/17/1995DE4404889A1 Vehicle brushless DC motor drive with electronic speed control
08/15/1995US5442250 Electric power train for vehicles
08/15/1995US5442247 Outer-rotor type spindle motor with a reduced thickness in the axial direction
08/10/1995WO1995021484A1 Motor including permanent magnet-rotor
08/10/1995DE4403302A1 Electrical machine especially brush free DC motor
08/10/1995DE19503521A1 Fan with blades formed on magnetic rotor of brushless DC motor
08/10/1995CA2181161A1 Motor including embedded permanent magnet-rotor
08/09/1995EP0666634A1 Assembly of a combustion engine and an electric generator
08/09/1995EP0666424A1 Fan with rotor, in particular a radial fan rotor
08/09/1995CN1106586A A generator for a magneto generator
08/09/1995CN1106584A Generator having new structure
08/08/1995US5440185 Composite magnet brushless DC motor
08/08/1995US5440184 Antifriction bearing capable of generating electrial energy
08/02/1995EP0665478A1 Electronic clock
08/02/1995EP0664934A1 Motor and/or generator working on the reluctance principle.
08/01/1995US5438228 Electrically motorized wheel assembly
07/1995
07/25/1995US5436518 Motive power generating device
07/25/1995US5436517 Recording disk driving apparatus
07/20/1995DE4401361A1 Brushless DC motor of reduced axial length
07/13/1995WO1995018739A1 Bicycle lighting system and generator
07/13/1995DE4400302A1 Electric synchronous motor
07/13/1995CA2157926A1 Bicycle lighting system and generator
07/12/1995EP0412993B1 Tape drive machines
07/12/1995CN2203510Y Electric generator unit
07/12/1995CN1105158A Method for manufacture of small electric motor and rotator of same
07/11/1995US5432644 Disk drive unit having motor components in a compact arrangement
07/06/1995WO1995018484A1 Permanent magnet axial air gap electric machine
07/06/1995DE4408719C1 Combined electric generator and motor for vehicle hybrid drive
07/06/1995CA2178489A1 Permanent magnet axial air gap electric machine
07/05/1995EP0661794A1 Cylindrical electromechanical transducer
07/05/1995EP0660726A1 Heart pump
07/05/1995EP0436721B1 Method of assembling a brushless motor
07/05/1995EP0435906B1 Arrangement for generator windings, especially in ignition systems
07/05/1995CN1104810A Rotating motor and method for making same, layered iron core and method for making same
06/1995
06/28/1995EP0660494A1 Synchronous permanent magnet electric machine with the possibility to change the magnetic flux in the gap
06/27/1995US5428282 Release-type permanent magnet motor
06/22/1995WO1995017035A1 Redundant electric motor arrangement including single rotor assembly having two magnet sections
06/22/1995DE4342584A1 Motor drive useful esp. for shaftless open end spinning rotor
06/22/1995DE4342583A1 Shaftless rotor for open end spinner
06/22/1995DE4342582A1 Magnetic gas bearing for shaftless rotor of open end spinner
06/21/1995EP0658966A1 Permanent-magnet voltage generator
06/21/1995CN2201753Y Brushless, permanent-magnet automobile a.c generator
06/20/1995US5425165 Method of making a slotless, brushless, large air-gap electric motor
06/14/1995EP0657984A1 Permanent magnet rotor of brushless motor and production method thereof
06/14/1995EP0657947A1 Power converter
06/14/1995EP0631649A4 Fluid pump with improved magnetically levitated impeller.
06/14/1995CN2200889Y Generator
06/13/1995US5424902 Method of polarizing electric motor provided with stator having plural phase windings and rotator having plural permanent magnets
06/08/1995WO1995015559A1 Axial spindle motor for hard disk drive assembly
06/08/1995DE4341514A1 Rotor laminated yoke with permanent magnets
06/07/1995EP0656157A1 Electric fan motor.
06/07/1995CN1028822C Miniature motor
06/06/1995US5422769 Spin motor for rotating a storage disk in a disk drive
06/06/1995US5422569 Rotation detecting apparatus using magnetroresistive element with an arrangement of detection units
05/1995
05/31/1995EP0655824A2 Outer rotor type brushless DC motor
05/24/1995CN2198711Y Generator for bicycle lighting
05/24/1995CN1028582C Energization coil device, method of making such device and electromagnetic micromotor fitted therewith
05/23/1995US5418436 Motor starting method and apparatus
05/23/1995US5418416 Brushless three-phase DC motor
05/23/1995US5418414 Electric motor with permanent-magnet excitation
05/23/1995US5417507 Vertical motor, method of manufacturing same, polygon mirror motor using said motor, and bearing device for use in said motor
05/17/1995EP0653827A1 An improved stator for two-phase electric machines
05/11/1995WO1995012831A1 Device for deflecting optical beams
05/11/1995DE4439548A1 Arrangement for driving a bar magnet
05/11/1995DE4427426A1 Motor having an arrangement for heat dissipation
05/10/1995EP0652622A2 Rotary motor and production method thereof, and laminated core and production method thereof
05/10/1995EP0431178B1 Synchronous machine
05/04/1995WO1995012241A1 Permanent magnet electric motor
05/03/1995EP0651403A2 Fe-M-C Magnetic film and method of producing the same
05/03/1995EP0650886A2 Bicycle gear change
05/03/1995EP0650644A1 Electric motor-wheel.
05/03/1995EP0533767B1 Electric motor
05/03/1995CN1028337C Independent-drive wheel for wheel-mounted vehicle
05/02/1995US5412266 Miniature motor with magnetized rotor end faces forming axial magnetic attraction force between rotor and housing
04/1995
04/30/1995CA2118360A1 Rotor assembly for electromechanical devices
04/27/1995DE4335966A1 Drive device for a washing machine or a similar machine having a DC motor without a commutator
04/27/1995DE4335848A1 Cooling arrangement for an AC machine
04/25/1995US5410201 Electric Motor
04/21/1995CA2118539A1 Cooling apparatus for an ac generator
04/20/1995WO1995010876A1 Lightweight high power electromotive device and method for making same
04/20/1995CA2174207A1 Lightweight high power electromotive device and method for making same
04/19/1995CN2195158Y High-efficiency multipurpose magnetoelectric generator
04/19/1995CN1028272C Miniature motor with frequency generator
04/13/1995WO1995010134A1 Electronically commutated permanent magnet motor
04/13/1995DE4333555A1 Method for the production of a rotor for an electrical machine, as well as a rotor produced in accordance with said method
04/12/1995CN2194564Y Automobile brushless generator with double-voltage output
04/11/1995US5406158 Miniature synchronous motor
04/05/1995EP0647010A1 Electric motor with permanent magnets and reduced cogging torque
04/05/1995EP0647009A1 Magnetic rotating apparatus
04/05/1995CN1101178A Electrically motorized wheel assembly
03/1995
03/30/1995DE4404791C1 Structural unit comprising an internal combustion engine and an electrical generator
03/29/1995EP0645542A1 Automobile engine fan and hub
03/29/1995CN2193621Y Disk magnetic motor
03/29/1995CN2193620Y Automotive 3-phase a. c. cilicon controlled rectifying permanent-magnet generator
03/28/1995US5402023 Spindle motor and magnetic fluid seal apparatus used therefor
03/23/1995DE4331862A1 Electric motor
03/23/1995DE4331803A1 Electronically commutated electric motor
03/22/1995EP0644645A2 Slotless electric motor or transducer and method for making same
03/21/1995US5400197 Disc drive spindle motor
03/15/1995EP0512080B1 Electric motor