Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
04/2003
04/16/2003CN1411121A Motor and light modulator
04/16/2003CN1106065C Rotor for permanent magnet excited, high-speed electric rotary machine, mfg. method of same
04/15/2003US6548981 Actuator
04/10/2003WO2003030336A1 Rotary electric motor having controller and power supply integrated therein
04/10/2003WO2003030333A2 Rotary electric motor having axially aligned stator poles and/or rotor poles
04/10/2003WO2003030332A2 Electric motor, especially an electronically commuted d.c. motor
04/10/2003WO2003029651A2 Synchronous machine design and manufacturing
04/10/2003WO2003019785A3 Permanent magnet turbo-generator having magnetic bearings
04/10/2003US20030067237 Permanent magnet type electric rotating machine
04/10/2003US20030067236 Permanent magnet type electric rotating machine
04/09/2003EP1300931A2 Brushless DC motor
04/09/2003EP1299935A1 Hybrid superconducting motor/generator
04/09/2003CN2544461Y Gearless permanent magnetic synchronous hauler
04/09/2003CN1409467A 无刷dc马达 Brushless dc motor
04/09/2003CN1409459A 电动机 Electric motor
04/08/2003US6545382 Spindle motor including stator with magnetic flux guides
04/08/2003US6544009 Compressor and electric motor
04/08/2003US6543781 Spindle-drive motor with a magnetic fluid seal
04/08/2003US6543588 Integrated retarder and accessory device
04/03/2003WO2003028193A1 Two-or three-phase polyphase motor
04/03/2003WO2003028192A1 Brush-less motor using vernier structure
04/03/2003WO2003028191A1 Brushless vibrating motor
04/03/2003WO2002093713A3 Brushless motor
04/03/2003WO2002015229A9 High performance slotless electric motor and method for making same
04/03/2003US20030063979 Heat-dissipating fan structure
04/03/2003US20030063357 Galvanometer-type scanner
04/03/2003US20030062798 Easy-to-start structure of a DC brushless motor
04/03/2003US20030062797 DC motor and winding method for coils thereof
04/03/2003US20030062796 Motor
04/03/2003US20030062788 Motor and light amount adjusting apparatus
04/03/2003US20030062787 Rotor for flywheel magneto generator
04/02/2003EP1297609A1 Motor for washing machine
04/02/2003EP1145410B1 Disk motor with bearing prestressing feature
04/02/2003EP0882427A9 Ultrasonic imaging device having a bearingless rotating mirror
04/02/2003CN2543267Y Tubular permasyn motor integrated with two or over two monomotors
04/02/2003CN1408139A Hybrid brushless electric machine
04/02/2003CN1408138A Motor assembled by using motor-base-holder and method of assembling the same
04/02/2003CN1407687A Axial vibration preventing mechanism and brushless motor having it
04/02/2003CN1407241A Pump device and method for generating adjustable constant fluid volume flow and its application
04/01/2003US6541887 Permanent-magnet motor-generator with voltage stabilizer
04/01/2003US6541882 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
04/01/2003US6541877 Wind power generation system
03/2003
03/27/2003WO2003026106A1 Electronically-commutated electric motor comprising coils with parallel axes
03/27/2003US20030057799 Brushless DC motor
03/27/2003US20030057797 Stator structure for rotary electric machine
03/27/2003US20030057792 Rotor axial activation modulation of electric machinery due to centrifugal force
03/27/2003US20030057791 Halbach array generator/motor having mechanically regulated output voltage and mechanical power output
03/27/2003US20030057785 Permanent magnet rotating electric machine
03/27/2003US20030057784 Magnetically levitated motor and magnetic bearing apparatus
03/27/2003US20030056534 Refrigerating device
03/26/2003EP1296437A1 Internal permanent magnet synchronous motor
03/26/2003EP1025633B1 An electric motor rotor with permanent magnets
03/26/2003CN1405955A High-quality low-energy-consumption generator
03/26/2003CN1405948A Motor rotor
03/26/2003CN1405947A Orientation apparatus and magnetizing apparatus
03/26/2003CN1104085C Electromagnetic motor with two coaxial rotors
03/25/2003US6538357 Direct current brushless motor of radial air-gap
03/25/2003US6538354 Spindle motor with toroidal sealing plates
03/25/2003US6538353 Permanent-magnet electric motor for circulation pumps of heating systems
03/20/2003WO2003023943A2 Wind power current generator
03/20/2003US20030052567 Internal permanent magnet synchronous motor
03/20/2003US20030052561 Permanent magnet machine rotor
03/20/2003US20030052560 Motor of rotor with built-in permanent magnet
03/20/2003US20030052559 Electric motor
03/19/2003EP1294081A2 Rotor for permanent magnet type rotating machine
03/18/2003US6534894 Axial pole motor with specific relative rotor and stator structure
03/18/2003US6534892 Electrical rotating actuator for forming a shed in a weaving loom
03/18/2003US6534880 Rotor of magneto generator for internal combustion engine
03/13/2003WO2003021763A1 Halbach array generator/motor having an automatically regulated output voltage and mechanical power output
03/13/2003WO2003021753A1 A single phase synchronous ac motor
03/13/2003WO2003021752A1 Halbach array generator/motor having mechanically regulated output voltage and mechanical power output
03/13/2003WO2002050975A3 Brushless maschine
03/13/2003US20030048577 Spindle motor and information recording and/or reproducing apparatus having this spindle motor
03/13/2003US20030048034 Two rotor single stator type electric motor
03/13/2003US20030048017 Permanent magnet motor
03/13/2003US20030047369 Moving apparatus with drive force assist mechanism and movement control method
03/13/2003DE20300214U1 Equalizing plate for electric motor, has at least two induction edges arranged symmetrically to axial aperture of equalizing plate
03/12/2003EP1292004A1 Two rotor single stator type electric motor
03/12/2003EP1292002A2 Brushless dc motor
03/12/2003EP1290774A1 Unipolar transverse flux machine
03/12/2003EP1290773A1 Method of producing stator windings
03/12/2003CN1402415A Main shaft motor for hard disc drive
03/12/2003CN1402412A Relative peripheral face motor
03/12/2003CN1402247A Disk device
03/11/2003US6531799 Hybrid electric machine with two rotors, permanent magnet poles and controllable field current
03/11/2003US6531795 Drive system
03/06/2003WO2003019785A2 Permanent magnet turbo-generator having magnetic bearings
03/06/2003WO2003019766A1 Mobile electrical power source
03/06/2003WO2003019756A1 Unipolar transverse magnetic flux machine
03/06/2003US20030042815 Electric rotating machine and electromagnetic machine and apparatus
03/06/2003US20030042814 Motor
03/06/2003US20030042800 Variable speed integrated planer motor assembly
03/06/2003US20030042741 Mobile electrical power source
03/05/2003EP1289101A2 Motor with two axially coupled reluctance and permanent magnet rotors
03/05/2003EP1289097A2 Electric machine with toroidal coils
03/05/2003EP1287602A1 Contactless energy transfer apparatus
03/04/2003US6528919 Brushless motor having water draining portion
02/2003
02/27/2003WO2003016672A1 Magnetically controlled rod assembly
02/27/2003US20030038561 Motor for use with thin type inner rotor and disk apparatus
02/27/2003US20030038553 Permanent magnet turbo-generator having magnetic bearings
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