Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
09/2002
09/18/2002EP1241771A1 DC brushless vibration motor
09/18/2002EP1241038A1 Driving member such as driving wheel or hoisting winch containing a synchronous motor
09/18/2002EP1240710A1 Method for determining angular position of a permanent magnet rotor of a polyphase electric motor
09/18/2002EP1240702A1 Thermally protected electric machine
09/18/2002CN1091323C Brushless polyphase transformer in particular motor vehicle alternator
09/18/2002CN1091322C Flux steering motor, esp. AC generator of vehicle
09/18/2002CN1091321C Disk-type permanent-magnet electric machine with stepless speed regulation
09/17/2002USRE37844 Rotary electrical machines
09/17/2002US6452302 Rotary electric machine and electric vehicle using the same
09/12/2002WO2002071582A2 Electrical machine with transverse magnetic circuit
09/12/2002WO2002070902A1 Air impeller and a housing for such an impeller
09/12/2002US20020125843 Driving device and light amount controller
09/12/2002US20020125842 DC brushless vibration motor
09/12/2002US20020125781 Brushless electro-mechanical machine
09/12/2002US20020125780 Magnet rotor and high-output AC machine having the same
09/12/2002DE10151706A1 Bürstenloser Gleichstrommotor Brushless DC Motor
09/12/2002CA2438916A1 Air impeller and a housing for such an impeller
09/11/2002EP1239571A1 Drive with transversal flux machine
09/11/2002EP1239570A1 Transport system and dynamo-electric machine
09/11/2002EP1239569A2 Magnet rotor and high-output AC machine having the same
09/11/2002EP0790696B1 Generator structure
09/11/2002CN1368784A Induction synchro motor
09/10/2002US6448680 Rotating electric machine with permanent magnets and magnetic resistance with improved flux weakening properties
09/10/2002US6448674 Drive system
09/10/2002US6447272 Blower
09/10/2002US6447271 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
09/05/2002US20020122274 Spindle motor and data recording/reproducing apparatus
09/05/2002US20020121837 Hybrid superconducting motor/generator
09/05/2002US20020121827 Motor or generator
09/05/2002US20020121826 Transverse flux drive
09/05/2002US20020121825 Motor
09/05/2002US20020121824 Motor
09/05/2002US20020121823 Drive element such as a driving wheel or a hoisting winch, the element comprising a synchronous motor
09/05/2002US20020121819 Design for frameless cartridge motors
09/05/2002US20020121817 Drive system
09/05/2002DE10109774A1 Transversalflussantrieb Transversalflussantrieb
09/04/2002EP1237263A2 Wind power generation system
09/04/2002EP1237262A1 Permanent magnet type dynamo-electric machine
09/04/2002EP1237259A2 Electric rotary machine and power generation systems using the same
09/04/2002EP1237258A2 Rotational electric machine and a vehicle loaded therewith
09/04/2002EP1237257A2 Machine tool
09/04/2002EP1237253A2 Motor or generator
09/04/2002EP1236262A1 Motor assembled by using motor-base-holder and method of assembling the same motor
09/04/2002CN1367633A Multifunetional audio device
09/03/2002US6445105 Axial flux machine and method of fabrication
09/03/2002US6445100 Permanent magnet dynamo electric machine
09/03/2002US6445096 Spindle motor
08/2002
08/29/2002WO2002050977A3 Stator windings and connections alternator
08/29/2002WO2002047237A8 Hibrid excitation motors
08/29/2002US20020119040 Crossing spiral compressor/pump
08/29/2002US20020118607 Use of non-magnetic paths for an electronic module intended for a timepiece
08/29/2002US20020117934 Vehicular alternator
08/29/2002US20020117933 Rotational electric machine and a vehicle loaded therewith
08/29/2002US20020117932 Miniature motor structure
08/29/2002US20020117927 Electric rotary machine and power generation systems using the same
08/29/2002US20020117926 Transport system and dynamo-electric machine
08/29/2002US20020117925 Thin and lightweight inner rotor motor and disk unit using the same
08/29/2002US20020117923 Permanent magnet embedded motor, rotor for motor and method for manufacturing motor and rotor
08/29/2002US20020117922 Machine tool
08/29/2002US20020117914 Brushless DC motor
08/29/2002US20020117911 Motor and apparatus using the same motor
08/29/2002US20020117910 Thin inner rotor motor and disk device using the motor
08/29/2002US20020117861 Wind power generation system
08/29/2002US20020116961 Washing machine
08/29/2002US20020116941 Air conditioner
08/29/2002US20020116811 Motor including embedded permanent-magnet rotor and method for making same
08/28/2002CN2508452Y Single-phase reversible claw electrode type permasyn motor
08/28/2002CN1366374A Motor having characteristic structure in armature and disk apparatus
08/28/2002CN1089964C Double-exciting electric machine, especially alternating-current generator for vehicle
08/27/2002US6441528 Synchronous motors of different kinds
08/27/2002US6441525 Permanent magnet rotating electric machine
08/27/2002US6441523 Very high permanent magnet type electric rotating machine system
08/27/2002US6441522 Electromagnetic apparatus employing high permeability low conductivity element
08/27/2002US6441521 Hybrid superconducting motor/generator
08/22/2002US20020113520 Unipolar transverse flux machine
08/22/2002US20020113513 Vector motor
08/22/2002US20020113511 Rotary electromechanical device and a pulley driving system using the rotary electromechanical device
08/22/2002US20020113503 Spindle motor
08/22/2002US20020112904 Hybrid electric vehicle employing permanent magnetic type dynamo-electric machine
08/22/2002DE10160014A1 Antriebseinrichtung für einen gesteuert verfahrbaren Schlitten einer Werkzeugmaschine Drive means for a controlled movable carriage of a machine tool
08/22/2002DE10111952A1 Magnetzündergenerator Magneto generator
08/21/2002EP1233498A2 Permanent-Magnet motor-generator with voltage stabilizer
08/21/2002EP1233179A2 Composite drive system for compressor
08/21/2002EP1232885A2 Generator for electrically powered refrigeration unit
08/21/2002CN2506382Y Permanent magnet generating type electric welding machine
08/21/2002CN1365175A IC engine
08/20/2002US6437464 Motor and disc assembly for computer hard drive
08/15/2002WO2002063745A2 Design for frameless cartridge motors
08/15/2002US20020110461 Composite drive system for compressor
08/15/2002US20020109429 Permanent magnet type electric motor
08/15/2002US20020109421 Rotor assembly of brushless direct current motor
08/15/2002US20020108389 Generator with an axial air gap design for electrically powered trailer refrigeration unit
08/15/2002CA2436629A1 Design for frameless cartridge motors
08/14/2002EP1230725A1 Polyphase transverse flux motor
08/14/2002EP1230724A1 Low inductance electrical machine
08/14/2002EP0712545B1 Versatile ac dynamo-electric machine
08/14/2002DE10104234A1 Transversalflußmaschine, Stator für eine Transversalflußmaschine Transverse flux stator for a transverse flux
08/14/2002CN2506017Y Mixed magnetic path motor having independent magnetic return circuit
08/14/2002CN1089202C 永磁同步电动机 PMSM
08/08/2002WO2002061918A2 Line start permanent magnet motor