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)
07/1999
07/28/1999EP0932246A2 Permanent magnet type electrical rotating machine
07/28/1999EP0932245A1 Electric machine with double excitation, and in particular vehicle alternator
07/28/1999EP0932244A1 Electric machine with double excitation, and in particular vehicle alternator
07/28/1999CN2331122Y Dual-body dual-stator optimized rotor ac/dc brushless generator
07/28/1999CN1224268A Single direction single phase synchronous motor
07/27/1999US5930076 Magnetic disk drive
07/27/1999US5929611 Light weight rotor and stator with multiple coil windings in thermal contact
07/27/1999US5929549 Fault tolerant electric machine
07/27/1999US5929541 Synchronous machine
07/22/1999WO1999037017A1 Variable output rotary power generator
07/22/1999WO1999037014A1 A driver circuit for a synchronous, alternating-current electric motor
07/22/1999WO1999029029A3 A method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine with permanent magnet rotor
07/22/1999DE19807738A1 Electrical machine, in particular external rotor motor with shaft bearing mounting
07/21/1999EP0930696A1 A driver circuit for a synchronous, alternating-current electric motor
07/20/1999US5925959 Electric generator with novel structure
07/20/1999US5925948 Axial flow fan motor
07/15/1999DE19800570A1 Fan with impeller and associated drive motor with variable magnetizable stator part
07/14/1999CN2329117Y Rare earth permanent magnet industrial frequency generator with voltage regulator
07/14/1999CN2329116Y Wheel shaft generator
07/14/1999CN2329113Y Silicon rectifier generator
07/14/1999CN1223028A Brushless polyphase transformer in particular motor vehicle alternator
07/14/1999CN1222863A Intracardiac blood pump
07/14/1999CN1222782A Permanent magnet motor
07/13/1999US5923111 Modular permanent-magnet electric motor
07/13/1999US5923110 Spindle motor for optical disc drives
07/13/1999US5923105 Disk drive in-hub radial-gap spindle motor with coils generating axial fields
07/13/1999US5921913 Statorless intravascular microaxial flow pump
07/08/1999DE19900170A1 Permanent magnet motor
07/07/1999CN1222002A Fermanent magnet rotor type electric motor
07/07/1999CN1221820A Electrical rotating actuator for forming shed on weaving loom and process of manufacture thereof, weaving system and weaving loom
07/07/1999CN1221819A Electrical rotating actuator for forming shed on weaving loom, weaving system and weaving loom
07/06/1999US5920138 For converting between electrical and mechanical energy
07/06/1999US5918360 Method of fabricating a salient pole electronically commutated motor
07/01/1999WO1999033157A1 Brushless electronic commuted motor
07/01/1999CA2315755A1 Brushless electronic commuted motor
06/1999
06/30/1999EP0926806A2 Electric machine with rotating field and double air gap
06/30/1999EP0926801A2 Motor generator using permanent magnet
06/30/1999EP0926283A1 Rotary electrical actuator for a shedding mechanism on a loom and method of manufacturing the same, shedding mechanism and loom
06/30/1999EP0926279A1 Rotary electrical actuator for the shedding mechanism on a loom, shedding mechanism and weaving loom
06/30/1999EP0925081A1 Intracardiac pump device
06/30/1999EP0925080A1 Intracardiac blood pump
06/30/1999CN2327113Y Rare-earth permanent magnet efficient synchronous electric motor
06/29/1999US5917262 Stator structure for miniaturized DC brushless motor
06/29/1999US5917261 Motive power generating apparatus utilizing energy of permanent magnet
06/29/1999US5917257 Electromagnetic motor with two coaxial rotors
06/24/1999DE19757136A1 Brushless, electronically commutated motor
06/23/1999EP0924841A1 Ac power generating system for vehicle
06/23/1999EP0924838A1 Single-phase electrical energy generator
06/23/1999EP0923804A1 Methods and apparatus for improved dc motors and magnetic clutches
06/23/1999CN2325919Y Wheel hub generator
06/23/1999CN1220513A Monophase electric power generator
06/22/1999US5914828 System architecture for HDD
06/22/1999US5914551 For mounting to an internal combustion engine
06/17/1999DE19813082C1 Rotary edge formation device with electric motor comprising rotor and stator
06/16/1999EP0923186A2 Permanent magnet rotor type electric motor
06/16/1999EP0799519B1 Transverse flux machine
06/16/1999CN1220052A Self-starting brushless electric machine
06/16/1999CN1219796A Working principle of electric generator with elimination of induction reactance
06/16/1999CN1219794A Connecting terminal for stator
06/16/1999CN1043707C Elevator motor
06/15/1999US5912516 High speed alternator/motor
06/15/1999US5912515 Motor with motor parts which are movable relative to one another
06/15/1999US5911685 Method and apparatus for cardiac blood flow assistance
06/10/1999WO1999029034A1 A method and a system for speed control of a rotating electrical machine with flux composed of two quantities
06/10/1999WO1999029029A2 A method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine with permanent magnet rotor
06/10/1999WO1999029025A1 A wind power plant
06/10/1999CA2315622A1 A method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine with permanent magnet rotor
06/10/1999CA2309734A1 A wind power plant
06/09/1999EP0921621A2 Hybrid alternator with voltage regulator
06/09/1999EP0921525A2 Disk drive
06/08/1999US5910697 High-power, low-voltage axial air-gap electrical machine having a compact stator
06/02/1999EP0804829B1 Brushless dc motors
06/02/1999CN1218585A Interlocking segmented coil array
06/02/1999CN1218324A Permanent magnet low speed synchronous motor with self starting impulsive magnetic field
06/01/1999US5909072 Brushless three-phase dc motor
06/01/1999CA2146774C Magnetic motor construction
05/1999
05/27/1999WO1999019962B1 Generators and transformers with toroidally wound stator winding
05/27/1999DE19850952A1 Reluctance motor with rotor having at least two magnet poles with counter poles on same axis
05/26/1999EP0918327A1 Disk drive
05/26/1999EP0917757A1 Rotary electrical machines
05/26/1999EP0631649B1 Fluid pump with improved magnetically levitated impeller
05/26/1999CN2321161Y Generator for bicycle
05/26/1999CN2321160Y Self-starting three-phase rare-earth permanent-magnet synchronous motor
05/26/1999CN1217602A DC. Electric motor
05/26/1999CN1217599A Brushless dc. electric motor capable of preventing flux leakage
05/25/1999US5907455 Distributed spindle motor integrated with disc
05/25/1999US5907209 Lundell core type rotary electric machine
05/25/1999US5907205 Constant reluctance rotating magnetic field devices with laminationless stator
05/20/1999WO1999025057A1 Electric motor for a motor-wheel
05/20/1999WO1999025055A1 Modular permanent-magnet electric motor
05/20/1999WO1999017431B1 Reluctance motor
05/19/1999EP0917272A1 Permanent magnet rotor type electric motor
05/19/1999EP0917255A2 Connecting terminal for stator
05/18/1999US5905605 Chuck arrangement for a floppy disk drive for accurately and positively engaging a floppy disk
05/18/1999US5905321 For converting between electrical and kinetic energy
05/14/1999WO1999023743A1 Permanent magnet generator
05/14/1999CA2308210A1 Permanent magnet generator
05/12/1999EP0809588B1 Powerplant for wheeled vehicles
05/12/1999DE19838670A1 DC induction machine
05/12/1999DE19747664A1 Procedure for making multi-pole electric motor, e.g. for pointer instrument in vehicle
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