Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
10/2003
10/09/2003WO2003084032A1 Electrical rotating machine having two rotors driven by means of compound current
10/09/2003WO2003084027A1 Electric motor integrated in a vehicle wheel
10/09/2003US20030189388 Axial flux motor assembly
10/09/2003US20030189375 Integrated retarder and accessory device
10/08/2003CN1448004A Rotor unit for electromotor and internal rotor electromotor
10/08/2003CN1447035A Mfg. method of thrust plate and mfg. method of shaft for fluid power bearing
10/08/2003CN1123957C Rotating electric machine with permanent and magnetic resistance with improved flux weakening properties
10/07/2003US6630806 System for controlling a rotary device
10/07/2003US6630764 High performance brushless motor and drive for an electrical vehicle motorization
10/07/2003US6630762 Permanent magnet rotor and method of making the same
10/02/2003WO2003023943A3 Wind power current generator
10/02/2003US20030184911 Method of manufacturing a thrust plate, method of manufacturing a shaft for a hydrodynamic bearing, hydrodynamic bearing, spindle motor, and recording disk drive device
10/02/2003US20030184244 Permanent magnet alternator and voltage regulator circuit for the permanent magnet alternator
10/02/2003US20030184173 Integral driveline support and electric motor
10/01/2003EP1349261A2 Compact lift motor
10/01/2003CN2577499Y Voltage-stabilizing permanent-magnetic generator
10/01/2003CN2577498Y Wheel hub electric motor
10/01/2003CN1445910A Concentrated wrap type motor and compressor freezer or air conditioner completed with it
10/01/2003CN1445907A Permanent-magnet synchronous motor
09/2003
09/30/2003US6628477 Spindle motor with temperature compensation
09/30/2003US6628037 Power generator, electronic device using the same, method of setting plate thickness in a magnetic circuit in electronically controlled timepiece and power generator
09/30/2003US6628034 Brushless DC motor with armature windings compensated by auxiliary windings
09/30/2003US6628031 Harmonic-frequency synchronous machine with flux concentration
09/30/2003US6628028 Small and flat vibrational motor having impact-resistant structure
09/30/2003US6626138 Internal combustion engine
09/25/2003WO2003079520A1 Dc brushless motor structure and assembling method
09/25/2003US20030179355 Magneto-generator, method of manufacturing the same and resin molding die assembly for manufacturing the same
09/25/2003US20030178909 Rotary electric machine
09/25/2003US20030178905 Air conditioner having permanent magnet rotating electric machine
09/25/2003US20030178903 Rotor assembly for an electric motor and electric motor with internal rotor
09/25/2003US20030178895 Torque motor
09/25/2003DE10081592C1 Verbesserter Kompaktgenerator, ein denselben enthaltendes Leuchtrad sowie ein Herstellungsverfahren dafür Improved compact generator, a same containing Leuchtrad as well as a production method thereof
09/24/2003EP1346381A1 Band coil
09/24/2003CN2575894Y Antenna controller
09/18/2003WO2003077405A1 Electric motor having rotor capable of confining magnetic flux
09/18/2003WO2003077403A1 Brushless permanent magnet motor or alternator with variable axial rotor/stator alignment to increase speed capability
09/18/2003WO2003047071A3 Rotary electric motor having separate control modules for respective stator electromagnets
09/18/2003US20030174911 Gas dynamic pressure bearing, spindle motor comprising a gas dynamic pressure bearing, and recording disk drive device and polygon scanner comprising a spindle motor
09/18/2003US20030174637 Spindle motor and hard disk drive
09/18/2003US20030173925 Electric motor
09/18/2003US20030173924 Brushless D.C. motor
09/18/2003US20030173852 Interior permanent magnet rotor
09/18/2003US20030173850 Brushless dc drive
09/18/2003US20030173849 Field force manipulation powered motor
09/18/2003US20030173844 Bearing assembly with electric power generator
09/18/2003US20030172764 Lift/swivel drive
09/17/2003EP1345306A2 Electric rotary machine having positioning ring for securing salient poles in place
09/17/2003EP1344300A2 Unipolar transverse flux machine
09/17/2003EP1344297A2 Motor vehicle alternator
09/17/2003CN1443391A Economical non-wearing electrical drive device
09/17/2003CN1442944A Micro synchronous electric motor
09/16/2003US6619847 Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, and polygon scanner
09/12/2003WO2003075439A2 Method and device for transforming mechanical energy into electrical energy or electrical energy into mechanical energy
09/10/2003EP1341568A1 Miniature motor
09/10/2003EP1183415B1 Drive device for a washing machine
09/10/2003CN1441986A Rotor assembly for electric motor and electric motor with internal rotor
09/10/2003CN1441538A Automatic start type synchronous motor and compressor using said motor
09/10/2003CN1441537A Mixed exciting pawl pole electric generator
09/10/2003CN1441531A Electric motor
09/10/2003CN1121086C Brushless DC motor
09/09/2003US6617747 PM motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles
09/09/2003US6617746 Rotary electric motor having axially aligned stator poles and/or rotor poles
09/09/2003US6617739 Rotary electric machine
09/09/2003US6617729 Light deflecting electric motor with oscillation preventing means
09/09/2003US6617724 Non-circular, flat motor
09/04/2003WO2003073585A1 Motor
09/04/2003US20030164655 Interior permanent magnet rotor
09/04/2003US20030164654 Axially segmented permanent magnet synchronous machine with integrated magnetic bearings and active stator control of the axial degree-of-freedom
09/03/2003EP1341289A1 Overmold stator including resin injection ports, barrier walls and terminals
09/03/2003EP1341288A2 Electric rotary machine
09/03/2003EP1287602A4 Contactless energy transfer apparatus
09/03/2003CN2571056Y Gasoline engine generator
09/03/2003CN2571055Y Magnetor for electronic fuel injection motorcycle
09/02/2003US6614140 Magneto generator
09/02/2003US6614139 Motor having a dynamic pressure bearing apparatus and a manufacturing method thereof
08/2003
08/28/2003US20030160533 Electric rotary machine having positioning ring for securing salient poles in place
08/28/2003US20030160532 Electric rotary machine having bobbins with thin-walled extensions of flange
08/28/2003US20030160523 Electric rotary machine with stator armature including barrier walls
08/27/2003EP1339156A2 Electric rotary machine having bobbins with thin-walled extensions of flange
08/27/2003CN2569428Y Cast steel rotor of insert type magnetic shielding structure
08/26/2003US6611078 Flux diode motor
08/26/2003US6611073 Magnetically levitated motor
08/21/2003WO2003069763A1 Electric rotating machine
08/21/2003WO2003049256A3 Ac synchronous generator incorporating a braking mechansim
08/21/2003WO2003047067A3 Electrical machine
08/21/2003WO2003019756A8 Unipolar transverse magnetic flux machine
08/21/2003US20030155826 Spindle motor
08/20/2003EP1337028A2 A magneto electric generator rotor
08/20/2003EP1337027A2 A magneto electric generator rotor
08/20/2003EP1336753A2 A magneto electric generator rotor and an implement for removing this rotor
08/20/2003EP1336234A1 Armature with coated laminate bundle
08/20/2003CN1118401C Bicycle lighting system and power generator
08/19/2003US6608418 Permanent magnet turbo-generator having magnetic bearings
08/19/2003US6608411 Direct current brushless motor
08/14/2003WO2003067740A1 Rotary electric motor having at least three axially aligned stator poles and/or rotor poles
08/14/2003WO2003029651A3 Synchronous machine design and manufacturing
08/14/2003US20030151326 Stator for an axial flux electrical machine
08/14/2003US20030151324 Electric motor excited by permanent magnets
08/14/2003US20030151323 Permanent magnet actuating mechanism
08/13/2003EP1335191A1 Movable-magnet type meter and meter device using this movable-magnet type meter