Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
12/2003
12/04/2003WO2003100944A1 Radial-axial electromagnetic flux electric motor, coaxial electromagnetic flux electric motor, and rotor for same
12/04/2003WO2003100258A1 Dual-shaft vacuum pump
12/04/2003US20030223660 Rotating shaft conical fluid dynamic bearing
12/04/2003US20030222527 Electric motor with circulator pump
12/04/2003US20030222526 Permanent magnet rotating electric machine
12/04/2003US20030222525 Rotor unit for an electromotor and an internal rotor electromotor
12/04/2003US20030222524 Motor
12/04/2003US20030222520 Magneto-generator
12/04/2003US20030222516 Brushless dc motor
12/04/2003DE20211065U1 Hydrodynamisches Drucklager A hydrodynamic thrust bearing
12/03/2003EP1367690A2 Gas turbine engine and generator directly coupled without reduction gear; Device with electromagnet having amorphous metal core pieces
12/03/2003EP1366556A2 A synchronous electric machine
12/03/2003EP1366299A1 Air impeller and a housing for such an impeller
12/03/2003EP0925081B1 Intracardiac pump device
12/03/2003EP0841738B1 Motor
12/03/2003CN2590251Y Double layer combined high-performance magneto coil for motorcycle
12/03/2003CN1460317A Motor for washing machine
12/03/2003CN1459911A Permanent magnet type rotary electric machine
12/03/2003CN1459620A Pedal force detector for electric auxiliary bicycle
12/03/2003CN1459409A Traverse method and controller thereof
12/02/2003US6657356 Stator for an electrical rotating machine
12/02/2003US6657353 Permanent magnet electric machine with energy saving control
12/02/2003US6657351 Contactless energy transfer apparatus
12/02/2003US6657350 Permanent magnet type rotating electrical machine, and power generation system and drive system using it
12/02/2003US6657349 AC servomotor
12/02/2003US6657335 Stepping motor and driving apparatus having separate position detection coil
12/02/2003US6657329 Unipolar transverse flux machine
11/2003
11/27/2003WO2003098781A1 Dynamo electric machine
11/27/2003WO2002086324A3 Multi-stage centrifugal compressor
11/27/2003WO2002078151A8 A synchronous electric machine
11/26/2003EP1365496A2 Miniature motor
11/26/2003EP1365399A2 Turntable-integrated spindle motor
11/26/2003CN1458734A Three phase AC permanent magnet synchronous motor
11/20/2003US20030215343 Centrifugal pump with integrated motor
11/20/2003US20030214195 Electric motor with reduced axial length
11/19/2003EP1363384A2 A self-starting brushless electric motor
11/19/2003EP1363381A1 Electric machine with permanent magnets arrangement for reducing torque pulsation
11/19/2003EP1362407A1 Improved rotary machine for motor vehicle
11/19/2003CN1457132A Power generator with claw polars and power generator on bicycle wheel hub
11/19/2003CN1456786A Oil sucking drive
11/13/2003WO2003094328A1 Rotary electric motor having both radial and axial air gap flux paths between stator and rotor segments
11/13/2003WO2003094327A1 Rotary electric motor having at least two axially air gaps separating stator and rotor segments
11/13/2003WO2003094324A2 Brushless direct current motor subassembly
11/13/2003WO2003030332A3 Electric motor, especially an electronically commuted d.c. motor
11/13/2003US20030209950 Auxiliary magnetizing winding for interior permanent magnet rotor magnetization
11/13/2003US20030209949 Magneto-generator
11/13/2003CA2480726A1 Rotary electric motor having at least two axially air gaps separating stator and rotor segments
11/12/2003EP1361641A1 Permanent magnet rotor
11/12/2003EP1361146A1 Claw-pole dynamo with radially offset yoke arms
11/12/2003CN1455979A Magnetic disk drive-device
11/12/2003CN1455499A Non-electromagnetic-force energy-saving generator
11/12/2003CN1455493A Motor with rotor specially suitable to high-speed rotation
11/06/2003US20030205946 Generator having axially aligned stator poles and/or rotor poles
11/06/2003US20030205945 Electric motor
11/05/2003EP1359661A2 Brushless motor and electric power steering apparatus equipped with the brushless motor
11/05/2003EP1359657A1 Electric machine rotor specially adapted to high speeds
11/05/2003CN1453921A Multipole magneto
11/05/2003CN1453909A Axial slip commutator with segment coated with noble metal
11/05/2003CN1127191C Motor with internally mounted permanent magnet
11/04/2003US6640617 Apparatus and a method for determining the viscosity of a fluid
10/2003
10/30/2003WO2003052793A3 Contactless energy transfer apparatus
10/30/2003WO2002063745A3 Design for frameless cartridge motors
10/30/2003US20030201693 Brushless electro-mechanical machine
10/30/2003US20030201692 Magnet motor device
10/30/2003US20030201685 Electrical-steel-sheet formed body for rotor core, rotor, rotary electric machine and related method
10/30/2003US20030201681 Brushless motor and electric power steering apparatus equipped with the brushless motor
10/30/2003US20030201137 Electric power steering system including a permanent magnet motor
10/29/2003EP1357660A2 Multipolar magnetogenerator
10/29/2003EP1356574A2 Electric power steering system including a permanent magnet motor
10/29/2003CN1452296A 电动机 Electric motor
10/28/2003CA2318032C Variable output rotary power generator
10/23/2003WO2003088455A1 Electromechanical power converter
10/23/2003WO2003088454A1 Transverse flow electric machine with a toothed rotor
10/23/2003WO2003088448A2 Fastening of the stator of a flat elevator motor
10/23/2003WO2003005530A3 An integrated position resolver for hybrid synchronous electric motors
10/23/2003US20030197442 Magneto-generator
10/23/2003US20030197441 Multiple-function pumping device for fountains, ornamental fountains and the like
10/23/2003US20030197436 Disk rotating motor and disk apparatus
10/23/2003US20030197080 Food processing apparatus including magnetic drive
10/23/2003CA2482125A1 Transverse flow electric machine with a toothed rotor
10/22/2003EP1354390A2 Rotary electric motor having axially aligned stator poles and/or rotor poles
10/22/2003CN1450710A Magnet arrangement for rotating electrical machine
10/21/2003US6636007 DC brushless vibration motor
10/16/2003WO2003085807A1 Rotary electric motor having concentric annular members
10/16/2003WO2003085806A1 Electric motor having magnetically isolated stator and rotor groups
10/16/2003WO2003085805A2 Rotating electric machine
10/16/2003WO2003085802A1 Electrical machines, especially engines excited by permanent magnets
10/16/2003WO2003085661A1 Spindle motor
10/16/2003WO2003085254A1 Miniature/micro scale power generation system
10/16/2003WO2003049260A3 Synchronous axial field electrical machine
10/16/2003US20030193265 Rotary electric motor having at least three axially aligned stator poles and/or rotor poles
10/16/2003US20030193264 Rotary electric motor having separate control modules for respective stator electromagnets
10/16/2003US20030193263 Rotary electric motor having concentric annular members
10/16/2003US20030193262 Axially sliding contact type of a commutator, a rotor including the commutator, and an electric motor having the rotor
10/16/2003US20030193254 Magnet arrangement for rotating electrical machine
10/16/2003US20030193250 Rotary electric motor having controller and power supply integrated therein
10/15/2003EP1353432A2 Magnet arrangement for rotating electrical machine
10/14/2003US6633106 Axial gap motor-generator for high speed operation
10/14/2003US6633100 Permanent magnet motor and rotor thereof
10/09/2003WO2003084034A1 Motor