Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
08/2003
08/13/2003EP1334547A1 Rotor for an electric machine, especially a synchronous machine, and synchronous machine with a transverse flux
08/13/2003EP1334286A1 Rotary machine with axial stop incorporating a current generator
08/13/2003CN1435933A Motor stator supporting mechanism and mfg. method thereof
08/07/2003WO2003065551A1 Axial gap electric motor
08/07/2003WO2003065549A1 Axial gap motor
08/07/2003WO2003065543A1 High frequency motor or generator
08/07/2003US20030146672 Method of manufacturing stators for brushless motors
08/07/2003US20030146667 Cooling method and structure for a rotation object
08/07/2003US20030146666 Magneto-generator, method of manufacturing the same and resin molding die assembly for manufacturing the same
08/06/2003EP1333251A1 Angle or position determining device and method, servo device and servo method, and motor
08/06/2003EP1093682A4 Axial field electric machine
08/06/2003CN1435005A Method for determining angular position of permanent magnet rotor of polyphase electric motor
08/06/2003CN1434557A Brushless dc motor
08/05/2003US6603635 Motor structure for use with optical disks
08/05/2003US6603237 High frequency electric motor or generator including magnetic cores formed from thin film soft magnetic material
08/05/2003US6603231 Hybrid superconducting motor/generator
08/05/2003US6601287 Motor including embedded permanent-magnet rotor and method for making same
07/2003
07/31/2003US20030141865 Method for determining the angular position of a permanent magnet rotor of a polyphase electric motor
07/31/2003US20030141779 High frequency electric motor or generator including magnetic cores formed from thin film soft magnetic material
07/31/2003US20030141778 High frequency electric motor or generator including magnetic cores formed from thin film soft magnetic material
07/30/2003CN2563822Y 正弦波无刷发电机 Sinusoidal brushless generator
07/30/2003CN1433123A Permanent synchronous motor driving system and its test method
07/30/2003CN1116729C Rotor of rotating machinery
07/29/2003US6598693 Electric motor-driven vehicle
07/23/2003EP1330019A2 Permanent magnet synchronous motor driving system, and method of testing this driving system
07/23/2003EP1330010A1 Electric motor
07/23/2003EP1329014A1 Rotor unit for an electromotor and an internal rotor electromotor
07/23/2003EP0829128B1 A self-starting brushless electric motor
07/22/2003US6597079 Interior permanent magnet synchronous motor
07/22/2003US6597078 Electric power steering system including a permanent magnet motor
07/17/2003WO2003058794A1 Doubly salient machine with angled permanent magnets in stator teeth
07/17/2003WO2003058082A1 Method for producing a spindle motor and spindle motor for a hard disk drive
07/17/2003US20030132727 Permanent magnet synchronous motor driving system, and method of testing permanent magnet synchronous motor driving system
07/17/2003US20030132676 Spindle motor
07/17/2003US20030132675 Motor for washing machine
07/17/2003US20030132045 Axial gap electrical machine
07/15/2003US6594111 Spindle motor having stator rim formed of curved arc segments
07/15/2003US6591612 Electrically operated charge-air compressor
07/10/2003WO2003056688A1 Generator
07/10/2003US20030127922 Flywheel magneto generator
07/10/2003US20030127919 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
07/09/2003EP1326319A2 Rotor, method of manufacturing the same and rotary machine
07/09/2003EP1203438A4 Exciter with axial gap
07/09/2003EP0957897B1 Antiperspirant or deodorant compositions
07/09/2003CN2560153Y Permanent magnetic asyn high-speed electric machine
07/09/2003CN1428915A Rotor, method for mfg. fotor and rotating machinery
07/08/2003USRE38179 Disk storage device having a three-phase brushless DC underhub configured spindle motor
07/08/2003USRE38178 Disk storage device having an underhub spindle motor
07/08/2003US6591066 Motor and photographing apparatus
07/08/2003US6590312 Rotary electric machine having a permanent magnet stator and permanent magnet rotor
07/08/2003CA2091500C Integral motor and control
07/03/2003WO2003055045A1 Permanent magnet type dynamo-electric machine and wind power generation-use permanent magnet type synchronous generator
07/03/2003WO2003055042A1 Electric motor
07/03/2003WO2003055036A1 A synchronous machine, especially hydro power genarator
07/03/2003WO2003054875A1 Spindle motor for hard disk drives with axial fixing of the bearing system
07/03/2003WO2003053734A1 Electrically-driven vehicle drive controller
07/03/2003US20030122440 Doubly salient machine with permanent magnets in stator teeth
07/03/2003US20030122439 Doubly salient machine with angled permanent magnets in stator teeth
07/03/2003US20030121160 Laser alignment device of a circular saw
07/02/2003EP1324474A2 Brushless D.C. motor
07/02/2003EP1324472A2 Inner and outer rotor slotless electric motor with ring-type winding
07/02/2003EP1324465A2 An electric motor
07/02/2003EP1323225A1 Electrical machine
07/02/2003EP1290773A4 Method of producing stator windings
07/02/2003CN1428019A Roll drive
07/02/2003CN1427528A Disk type motor
07/01/2003US6586857 Device capable of increasing rotation speed of magneto motor
07/01/2003US6586856 Spindle motor with sleeve for hard disc drives
07/01/2003US6584695 Laser alignment device of a circular saw
06/2003
06/26/2003WO2003052901A1 Permanent magnet type motor and elevator device
06/26/2003WO2003052793A2 Contactless energy transfer apparatus
06/26/2003US20030117033 Motor vehicle alternator
06/26/2003US20030117032 Rotor, method of manufacturing the same and rotary machine
06/25/2003EP1320478A1 Direct drive for a wheel set
06/25/2003CN1112757C Rotating electric machine with permanent magnets and magnetic resistance body having improved structure
06/25/2003CN1112754C Rotating machine such as motor vehicle alternator
06/24/2003US6583532 Rotating electrical machine having a permanent-magnet rotor
06/24/2003US6583531 Motor with permanent magnet
06/24/2003US6583529 Wiring arrangement for a rotating electrical machine
06/24/2003US6582207 Motor compressor and cooling apparatus using the same
06/19/2003WO2003030333A3 Rotary electric motor having axially aligned stator poles and/or rotor poles
06/18/2003CN1424808A Assembly of motor, motor and manufacture thereof
06/18/2003CN1424799A Permanent-magnetic motor and elevator device
06/17/2003US6580195 Disk motor
06/17/2003US6580190 Circumferential confronting type motor
06/17/2003US6580188 Moving apparatus with drive force assist mechanism and movement control method
06/17/2003US6579078 Multi-stage centrifugal compressor driven by integral high speed motor
06/17/2003US6578681 Integrated retarder and accessory device
06/12/2003WO2003049273A1 Flux shunt wave shape control arrangement for permanent magnet machines
06/12/2003WO2003049272A2 A method and system for generating an electrical energy
06/12/2003WO2003049263A1 Linear actuator
06/12/2003WO2003049260A2 Synchronous axial field electrical machine
06/12/2003WO2003049259A1 Radial gap motor
06/12/2003WO2003049256A2 Ac synchronous generator incorporating a braking mechansim
06/12/2003WO2003049251A1 Multilayer ceramic coil and motor using the same
06/12/2003US20030107291 Permanent magnet type rotating electric machine
06/12/2003US20030107290 Brushless motor
06/12/2003US20030107289 Synchronous machine design and manufacturing
06/11/2003EP1057238B1 Rotating electric machine with permanent magnets and magnetic resistance with improved flux weakening properties
06/11/2003CN1423395A Permanent-magnet induced generating apparatus