Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
10/1998
10/15/1998WO1998029938A3 A high performance electric motor
10/15/1998DE19714895A1 Einseitige Transversalflußmaschine in ein- und mehrsträngiger Ausführung Unilateral transverse flux in single and multi-strand design
10/14/1998EP0870356A2 Drive arrangement with electromagnetic bearing means and elastically pivotable centering element
10/14/1998EP0688282B1 Bicycle lighting system and generator
10/13/1998US5821710 Brushless motor having permanent magnets
10/13/1998US5821661 Electromotor
10/13/1998US5821647 Spindle motor
10/13/1998US5821646 Spindle motor with seal structure
10/13/1998US5821476 Device for emergency operation of an elevator motor
10/13/1998US5819524 Gaseous fuel compression and control system and method
10/08/1998WO1998044620A1 Permanent magnet generator
10/08/1998WO1998044619A1 Method for producing a micromotor
10/08/1998WO1998044500A1 Disk storage device with improved spindle torque and acceleration
10/08/1998WO1998043689A1 Intracardiac pump device
10/08/1998WO1998043688A1 Intracardiac blood pump
10/08/1998DE19713528A1 Disc storage apparatus with direct drive
10/08/1998DE19711750A1 Klauenpolmaschine Claw pole
10/08/1998CA2285442A1 Permanent magnet generator
10/08/1998CA2256432A1 Intracardiac pump device
10/08/1998CA2256427A1 Intracardiac blood pump
10/08/1998CA2256423A1 Method for producing a micromotor
10/07/1998EP0869494A1 Disk storage device with improved spindle torque and acceleration
10/07/1998EP0868772A1 System for rotating a device
10/06/1998US5818143 Claw pole type synchronous motor
10/06/1998US5818137 Integrated magnetic levitation and rotation system
10/01/1998WO1998043339A1 Claw-pole machine
10/01/1998WO1998042471A1 Arc welder providing use-enhancing features
10/01/1998DE19811543A1 Brushless electric motor for vehicle air-conditioning fan
09/1998
09/30/1998CN1194735A 电动机 Electric motor
09/29/1998US5814914 Electric motor or generator
09/29/1998US5814913 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
09/29/1998CA2038480C Two-stator induction synchronous motor
09/24/1998WO1998042063A1 Dc motor actuator to create radial force
09/23/1998EP0866542A2 Rotor of rotary machine having claw poles and auxiliary permanent magnets
09/23/1998EP0866540A2 A rotor for a motor or generator
09/23/1998EP0866539A1 Electric rotating machine excited by coils, permanent magnets or double excitation
09/23/1998EP0865679A1 Method and device for compensating for magnetic pull in a discoidal machine
09/22/1998US5811908 Magneto electric generator rotor and an implement for removing this rotor
09/22/1998US5811906 Damper winding of an elevator motor
09/22/1998US5811904 Permanent magnet dynamo electric machine
09/17/1998WO1998040959A1 Ac power generating system for vehicle
09/17/1998DE19708801A1 Energy converter for energy of fluid flow into electrical energy
09/16/1998CN2291745Y Flywheel magneto
09/16/1998CN1193421A Magnetic circuits in the rotating system for generation both the mechanical power and the electric power
09/16/1998CN1193420A Permanent magnet rotor alternator
09/15/1998US5808450 Special alternator assembly with an inherent ballast impedance characteristic for lighting systems
09/15/1998US5808392 Permanent magnet type rotating machine
09/15/1998US5808390 Brushless DC motor
09/15/1998CA2102283C Sensor motor
09/11/1998WO1998039836A1 Electronically switched d.c. motor
09/09/1998CN2290947Y Flywheel generator
09/08/1998US5804904 Brushless DC motor and a method of generation power therewith
09/08/1998US5804901 Energy conversion device using permanent magnets
09/08/1998US5804896 High speed spindle motor and apparatus equipped with high speed spindle motor
09/02/1998CN2290146Y Silicon rectifier generator without external power
09/01/1998US5801900 Disk storage device, with hub and drive motor rotor features
09/01/1998US5801463 Dynamoelectric machine
09/01/1998US5801454 Air tool
08/1998
08/28/1998CA2198824A1 Dc generator
08/27/1998WO1998037611A2 Rotor assembly for a rotating machine
08/27/1998WO1998029934A3 Electric motor
08/27/1998DE19707243A1 Dynamo light machine especially for bicycle
08/27/1998DE19704769A1 Synchronous machine driven as motor or generator
08/26/1998EP0860929A2 Permanent magnet type synchronous motor
08/26/1998EP0859666A2 Apparatus with a plurality of electric-motor driven centrifuges
08/26/1998CN2289342Y Disk type generator for bicycle
08/26/1998CN1191640A Self-starting brushless electric motor
08/25/1998US5798887 Apparatus for absorbing stator vibrations in computer storage apparatus
08/25/1998US5798596 Permanent magnet motor with enhanced inductance
08/25/1998US5798594 Brushless synchronous rotary electrical machine
08/25/1998US5798592 Simplified electric motor construction
08/25/1998US5798591 Electromagnetic machine with permanent magnet rotor
08/25/1998US5798589 Brushless motor having lubrication system for upper and lower bearings
08/25/1998US5798583 Spindle motor having recessed stator coils
08/20/1998WO1998036487A1 An electric machine
08/20/1998WO1998025330A3 An electric machine
08/20/1998WO1998018189A3 Electrical machine with a single pole winding
08/19/1998EP0859445A2 Motor
08/19/1998EP0762600B1 Power generating device
08/19/1998CN2288545Y Flywheel electric generator for large power voltage-limiting diesel engine
08/18/1998US5796204 Brushless motor with a stator core integral with a holder
08/18/1998US5796193 Disk driving motor
08/18/1998US5796192 Energy-saving electric drive for small vehicles
08/18/1998US5796190 Engine-driven permanent magnetic type welding generator
08/13/1998WO1998035423A1 The use of a toroidal winding in an electric polyphase machine
08/13/1998WO1998035160A1 Electric generator and lighting assembly
08/12/1998EP0858149A1 Use of a transversal flux machine to drive a wheel in a vehicle, and wheel drive for a vehicle
08/12/1998CN1190274A Structure for mounting generator on engine
08/11/1998US5793178 Synchronous permanent-magnet electric motor and vehicle driven by such a motor
08/11/1998US5793143 Rotor for an electrical machine
08/11/1998US5793137 Electrical power generators
08/11/1998US5793135 Flat type brushless motor
08/11/1998US5793130 Miniature electric generator and lighting apparatus
08/06/1998WO1998034332A1 Dynamo-electric machines and control and operating system for the same
08/06/1998DE19704271A1 Electric machine with stator and rotor
08/06/1998CA2279337A1 Dynamo-electric machines and control and operating system for the same
08/06/1998CA2228629A1 Use of a transverse-flux machine for application in a single-wheel drive for vehicles and single-wheel drive for vehicles
08/05/1998EP0856932A1 Electrical generator with an inner rotor, for small internal combustion engines
08/05/1998CN1189929A Multiphase Electric machine
08/05/1998CN1189928A Permanently excited transverse flux machine and method of producing the same