Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
10/2002
10/23/2002EP1250746A2 Brushless dc motor
10/23/2002EP1071838B1 Device for forming a gauze edge using a motor comprising a rotor and a stator for housing said rotor
10/23/2002CN2518257Y Permanent magnet synchromotor for towing mechanism of non-gear elevator
10/23/2002CN1376012A Multifunction sound apparatus
10/23/2002CN1375914A Driving apparatus and light controller
10/23/2002CN1375912A Variable-frequency speed-regualting triphase permanent-magnet synchronous motor
10/23/2002CN1375911A Single-phase AC permanent-magnet synchronous motor
10/23/2002CN1375910A Permanent magnet type three-phase AC revolving motor
10/23/2002CN1375908A Triphase AC synchronous permanent-magnet motor and generator
10/23/2002CN1093332C Electrical machine with double excitation, especially motor vehicle alternator
10/23/2002CN1093331C Double-exciting electric machine, especially alternating-current generator for vehicle
10/22/2002US6469959 Generator in particular for a timepiece
10/22/2002US6469412 Universal electric motor with variable air gap
10/22/2002US6469410 Spindle motor for driving disc
10/22/2002US6469407 Electrical machine with a cooling device
10/22/2002US6467147 Magneto electric generator rotor and an implement for removing this rotor
10/17/2002WO2002082622A1 Permanent magnet type synchronous motor
10/17/2002WO2001056006A9 An actuation device with actuator and brake
10/17/2002WO2001056005A9 An actuation device having multiple degrees of freedom of movement and reduced inertia
10/17/2002US20020150486 Dynamo electric machines and stators for use in same
10/17/2002US20020149290 Actuator
10/17/2002US20020149288 Direct current brushless motor with axial winding and radial air-gap
10/17/2002US20020149286 Direct current brushless motor of radial air-gap
10/17/2002US20020149285 Brushless DC motor with axial winding/axial air gap
10/17/2002US20020149281 Stator for an electric machine
10/17/2002US20020149274 Rotary electrical machines
10/17/2002DE10118128A1 Motor structure has center shaft provided in one of rotor for pivotally supporting substrate to rotate at shaft hole
10/16/2002EP1249919A1 Rotor of a rotating electrical machine
10/16/2002EP1249063A2 Electric motor with external rotor
10/16/2002CN1374737A External rotor brushless motor structure
10/16/2002CN1374733A Electric motor and gearmotor
10/15/2002US6465923 Magnetically journalled electrical drive
10/15/2002US6465921 Assembling structure of a miniature vibration motor
10/15/2002US6465918 Direct-current brushless motor, and polygon scanner and image forming apparatus having the same and a method thereof
10/15/2002US6465916 Motor
10/10/2002WO2002080339A1 Motor for washing machine
10/10/2002WO2002080338A1 Dynamo-electric machine comprising field control coil
10/10/2002WO2002080335A1 Power feed mechanism
10/10/2002US20020145360 Rotary electrical machines
10/10/2002US20020145353 Permanent magnet type rotating electrical machine, and power generation system and drive system using it
10/10/2002US20020145352 Permanent magnet rotating electric machine
10/10/2002US20020145351 Double sensing face motor structure
10/10/2002US20020145348 Rotor for a permanent magnet type generator
10/10/2002US20020145346 Image pickup apparatus and driving apparatus
10/09/2002EP1248348A1 Permanent magnet type rotating electrical machine, and power generation system and drive system using it
10/09/2002EP1246960A1 Drive for a sewing machine, in particular an industrial sewing machine
10/09/2002CN2515864Y Gyro motor
10/09/2002CN1373550A 空调机 Air conditioners
10/09/2002CN1373549A Rotary motor and vehicle carring same
10/09/2002CN1373548A Transportation system and motor-generator
10/09/2002CN1373544A Electric machine with ring windings on internal and external rotors without slots
10/09/2002CN1373543A Electric rotating mechanism and electric generating system using it
10/09/2002CN1373541A Washer
10/09/2002CN1373398A Use of nor-magnetic path in electronic module for timepiece
10/08/2002US6462907 Diskette incorporating a permanent magnet generator having a stator with magnetic pole teeth that are axially thinner than a permanent magnet that cooperates with the stator
10/08/2002US6462452 Permanent magnet motor
10/08/2002US6462451 Permanent magnet rotating electric machine
10/08/2002US6462449 Rotating electric machine with improved double excitation
10/08/2002US6462441 Rotor assembly of brushless direct current motor
10/08/2002US6462430 Hybrid car and dynamo-electric machine
10/08/2002US6460382 Structure of driving unit in drum type washing machine
10/03/2002WO2002078153A1 Low profile motor with internal gear train
10/03/2002WO2002078151A2 A synchronous electric machine
10/03/2002US20020140311 Rotor for synchronous motor and method of manufacturing the same
10/03/2002US20020140310 Dual wire stator coil for a radiator fan
10/03/2002US20020140309 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor
10/03/2002US20020140307 Synchronous induction motor
10/03/2002CA2441782A1 Low profile motor with internal gear train
10/02/2002EP1246348A2 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor
10/02/2002EP1244586A1 Generator
10/02/2002CN1372715A Demagnetization-protected permanent magnet ship propulsion system
10/02/2002CN1372367A Inner rotor motor and magnetic disc using same
10/02/2002CN1372366A Inner rotor motor and magnetic disc using same
10/02/2002CN1372365A Inner rotor motor and magnetic disc using same
10/02/2002CN1091970C Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine with permanent magnet rotor
09/2002
09/26/2002WO2002075897A1 Transversal flow machine and stator for a transversal flow machine
09/26/2002US20020135265 Rotor of revolving field type AC generator
09/26/2002US20020135242 Electric motor utilizing convergence of magnetic flux
09/26/2002US20020134082 Electrically operated charge-air compressor
09/26/2002DE10114667A1 Axial flux brushless permanent magnet motor has motor windings and associated electronic stage applied to same flexible insulating foil
09/26/2002DE10113308A1 Electrically powered charge air compressor has compressor wheel movable between working and idle positions, and is at least partly removed from compression section in idle position
09/25/2002EP1244195A1 Winding scheme for a permanent magnet type three-phase ac rotary electric machine
09/25/2002EP1123576B1 Electric rotary machine with novel rotor excitation arrangement by permanent magnets
09/24/2002US6455976 Motor/generator with separated cores
09/24/2002US6455975 Regulated permanent magnet generator
09/24/2002US6455970 Multi-phase transverse flux machine
09/24/2002US6455969 Multiple layer double rotor single stator skew symmetry permanent magnet rotating motor
09/24/2002US6455965 Spindle motor having an extended outer ring above a hub
09/24/2002US6455961 Motor with aligned magnetic centers
09/19/2002WO2002073788A1 Magnetic motor
09/19/2002WO2002073780A1 Permanent magnet type rotary machine and compressor comprising it
09/19/2002US20020131609 Multifunction acoustic device
09/19/2002US20020130585 Power generator, electronic device using the same, method of setting plate thickness in a magnetic circuit in electronically controlled timepiece and power generator
09/19/2002US20020130578 Permanent magnet type three-phase AC rotary electric machine
09/19/2002US20020130577 DC motor
09/19/2002US20020130576 Permanent magnet rotating electric machine and electrically driven vehicle employing same
09/19/2002US20020130575 Permanent magnet rotating electric machine and electrically driven vehicle employing same
09/19/2002US20020130574 Permanent magnet type rotating electric machine
09/19/2002DE10164076A1 Miniaturisierte Motorkonstruktion Miniaturized engine design
09/18/2002EP1241918A2 Multifunction acoustic device