Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
02/2005
02/16/2005CN1581642A Rotor for reluctance type rotating machine
02/16/2005CN1581641A Self-start permanent magnet synchronous motor rotor structure
02/16/2005CN1581638A Rotating machine
02/16/2005CN1189994C 电动机 Electric motor
02/16/2005CN1189992C Motor having characteristic structure in armature and disk apparatus
02/16/2005CN1189991C Inner rotor motor and magnetic disc using same
02/15/2005US6856065 Electric rotary machine having positioning ring for securing salient poles in place
02/15/2005US6856063 Electromotive devices using notched ribbon windings
02/10/2005WO2005013463A1 Flat hollow type brushless servo motor with tool mounting hole
02/10/2005WO2005013462A1 Compensator device for stabilising the power of alternators in electrical power generating plants
02/10/2005US20050031447 Integrated blade cooler for electronic components
02/10/2005US20050029900 Generator
02/10/2005US20050029899 Synchronous axial field electrical machine
02/10/2005US20050029897 Stator for an electrical rotating machine
02/10/2005US20050029890 Motor generator
02/10/2005US20050029886 Axial flux permanent magnet generator/motor
02/10/2005US20050029880 Brushless vibration motor
02/10/2005US20050028567 Structure of driving unit in drum type washing machine
02/10/2005US20050028566 Structure of driving unit in drum type washing machine
02/10/2005US20050028349 Spindle motor and method of manufacturing the same
02/10/2005DE10329831A1 Rotating dynamo electric synchronous motor with permanant magnet excitation and mechanical drive and several rotors connected to a common drive shaft
02/10/2005DE102004004944A1 Rotor eines Direktanlaufmotors mit Permanentmagnet und Herstellungsverfahren desselben The same rotor of a direct starting motor with permanent magnet and manufacturing method
02/09/2005EP1505714A1 Dynamo electric machine
02/09/2005EP1201019B1 Electronically commutated machine, in particular a motor
02/09/2005CN1579043A 电动机 Electric motor
02/09/2005CN1579042A Motor generator
02/09/2005CN1578097A Driving circuit for improving starting of hybrid induction motor and method thereof
02/09/2005CN1578062A Permanent magnetic rotating machine
02/09/2005CN1578058A Motor and motor manufacturing apparatus
02/09/2005CN1188943C Dynamic-pressure bearing motor and producing method thereof
02/08/2005US6853112 Rotating electric machine
02/08/2005US6853110 Radial flux diode motor
02/08/2005US6853109 Axially sliding contact type of a commutator, a rotor including the commutator, and an electric motor having the rotor
02/08/2005US6853106 Brushless motor
02/08/2005US6853105 Permanent magnet motor
02/08/2005US6853102 Turntable-integrated spindle motor
02/08/2005US6853101 Stator structure of rotary device and its forming method
02/08/2005US6851860 Hydrodynamic thrust bearing
02/08/2005CA2269536C Electrical machine with a single pole winding
02/05/2005CA2476577A1 Disk alternator
02/03/2005WO2005011098A2 Highly efficient permanent magnet brushless motor
02/03/2005WO2005011092A1 Hub dynamo
02/03/2005US20050023999 Control and motor arrangement for use in model train
02/03/2005US20050023926 Fastening of the stator of a flat elevator motor
02/03/2005US20050023925 Motor and motor manufacturing apparatus
02/03/2005US20050023923 Rotor structure of line-start permanent magnet synchronous motor
02/03/2005US20050023922 Rotor for reluctance type rotating machine
02/03/2005US20050023919 Permanent magnet motor
02/03/2005US20050023907 High speed spindle motor for disc drive
02/03/2005DE3546933B4 Recording disc drive system - has inside out type DC motor with discs supported on external rotor
02/03/2005DE202004017199U1 Lifting, rotating and swiveling unit to be used in assembly and transport, comprising integrated electric drives
02/03/2005DE10327292A1 Elektrische Maschine Electric machine
02/03/2005CA2532688A1 Highly efficient permanent magnet brushless motor
02/02/2005EP1503485A1 Rotating machine
02/02/2005EP1503477A2 Rotor for reluctance type rotating machine
02/02/2005EP1502347A1 Rotary electric motor having at least two axially air gaps separating stator and rotor segments
02/02/2005EP1502346A2 Bldc motor subassembly
02/02/2005CN1575538A Synchronous machine design and manufacturing
02/02/2005CN1575537A A single phase synchronous AC motor
02/02/2005CN1574557A Drive control system
02/02/2005CN1574547A Rotor of line start permanent magnet motor and manufacturing method thereof
02/02/2005CN1574181A Axial flux motor driven anode target for x-ray tube
02/02/2005CN1573095A Hermetic compressor
02/02/2005CN1187879C Power generating installation comprising a driving engine and a generator
02/02/2005CN1187876C Electric rotating mechanism and electric generating system using it
02/02/2005CN1187875C Electric motor rotor with permanent magnet
02/01/2005US6849984 Magnetically driven wheel for use in radial/rotary propulsion system having an energy recovery feature
02/01/2005US6849983 Rotary machine having bypath magnetic path blocking magnetic barrier
02/01/2005US6849982 Toroidal electrical machine and an annular winding carrier therefor
02/01/2005US6849960 Mobile electrical power source
02/01/2005CA2175510C Magneto electric generator rotor and an implement for removing this rotor
01/2005
01/27/2005WO2005008865A1 Motor generator and electric vehicle having the same
01/27/2005WO2005008864A1 Steering device for vehicle
01/27/2005US20050018351 Spindle motor for hard disk drives having an axially attached bearing system
01/27/2005US20050017670 Driving circuit for improving starting of hybrid induction motor and method thereof
01/27/2005US20050017591 Highly efficient permanent magnet brushless motor
01/27/2005US20050017588 Motor that utilizes the magnetic torque
01/27/2005CA2531634A1 Compact high power alternator
01/26/2005EP1501182A2 Driving circuit and method for starting hybrid induction motors
01/26/2005EP1501169A2 Hybrid electrical machine with system and method for controlling such hybrid machine
01/26/2005CN1572053A Unipolar transversal flux machine has rotor module provided by rotor rings with outer teeth fitted around permanent magnet rings magnetized radially in opposite directions
01/25/2005US6847149 Brushless motor
01/25/2005US6847147 Dynamoelectric machine having windings that differ in wire gauge and number of winding turns
01/25/2005US6847144 Permanent magnet rotor assembly for interior permanent magnet electric motor
01/25/2005US6847143 Rotary electrical machine having magnet arrangements with magnets of different compositions
01/25/2005US6847142 Torque motor
01/25/2005US6847135 Unipolar transverse flux machine
01/20/2005WO2005006520A1 Syncronous induction motor and electric hermetic compressor using the same
01/20/2005US20050012475 Drive control system
01/20/2005US20050012427 Claw pole motor stator
01/20/2005US20050012421 Electric motor and electric power steering apparatus equipped with the motor
01/20/2005US20050012420 Direct drive high torque compact synchronous motor
01/20/2005US20050012419 Permanent magnetic rotating machine
01/20/2005US20050012409 Device for cooling and electrical machine, in particular a synchronous electrical machine having permanent magnets
01/20/2005DE102004030831A1 Permanentmagnet-Rotationsmaschine Permanent magnet rotary machine
01/19/2005EP1499003A1 Electric motor and electric power steering apparatus equipped with the motor
01/19/2005EP1499001A1 Cooling arrangement for electrical machines specially for a permanent magnet syncronous machine
01/19/2005EP1497907A1 Electromechanical power converter
01/19/2005EP1497906A1 Transverse flow electric machine with a toothed rotor
01/19/2005CN1567678A Motor using local magnetic saturation effect of stator to improve starting dead point