Patents for H02K 1 - Details of the magnetic circuit (44,776)
03/1999
03/16/1999US5881448 Method for making permanent magnet rotor
03/16/1999US5881447 Method of making a permanent magnet rotor
03/16/1999US5881446 Method of manufacturing an electric rotating machine
03/16/1999CA2246951A1 Brushless dc motor using permanent magnet
03/11/1999WO1999012248A1 An electric motor rotor
03/11/1999WO1999012246A1 Electric motor
03/10/1999EP0901214A2 Magnets containing-type alternating-current motor and method of designing the same
03/10/1999CN2310416Y Capacitor starting asynchronous motor
03/04/1999WO1999010972A1 Magnetic clutch system for cooling fan drive
03/04/1999WO1999010962A1 Electric machine with a rotor constructed of permanent magnets and magnetic flux guides
03/04/1999DE19839784A1 Synchronous motor with permanent magnets on inside of movable part
03/04/1999DE19832390A1 Transverse flux electrical machine e.g. for vehicle generator and wind generator
03/04/1999DE19737752A1 Elektromotor Electric motor
03/04/1999DE19737391A1 Elektrische Maschine, deren Rotor aus Dauermagneten und Magnetfluß-Leitstücken aufgebaut ist Electrical machine whose rotor is constructed of permanent magnets and magnetic flux conducting pieces
03/04/1999DE19737163A1 Electric squirrel-motor cage rotor manufacture
03/04/1999CA2302238A1 Magnetic clutch system for cooling fan drive
03/03/1999EP0899858A1 Magnetic clutch system for cooling fan drive
03/03/1999EP0899856A2 Turbogenerator
03/03/1999EP0899049A1 Unified junction structure of rare-earth magnet and metal material and the jointing method
03/03/1999EP0898803A1 A coiled rotor cover for an electric motor
03/03/1999EP0797862B1 Electric machine, in particular generator for vehicles, comprising a tangential path for clamping an end of the excitation winding
03/03/1999CN2309663Y High-efficiency rare-earth permanent-magnetic brushless dc electric machine
03/03/1999CN1209674A Turbine generator
03/03/1999CN1209508A Reciprocating compressor
03/02/1999US5877918 Disk driving device with hub flange secured between yoke and drive magnet
03/02/1999US5877578 Rotor disc construction for use in an electrical machine
03/02/1999US5877574 Dynamoelectric machine
03/02/1999US5877572 Reduced noise reluctance machine
03/02/1999US5877567 Brushless motor having lubrication oil gaps and a core with radially projecting poles
03/02/1999US5876518 R-T-B-based, permanent magnet, method for producing same, and permanent magnet-type motor and actuator comprising same
02/1999
02/25/1999WO1999009645A1 Separately excited electric machine
02/25/1999DE19838157A1 Salient pole rotor for electric motor
02/25/1999DE19826229A1 Elektromotorische Antriebseinrichtung für ein Schiff Electromotive drive device for a ship
02/25/1999DE19736710A1 Rotor for dynamo=electric machine
02/24/1999EP0898354A1 Motor with rotor and stator core paired interlocks and forming method therefor
02/24/1999EP0898287A2 Hard magnetic alloy having supercooled liquid region, sintered or cast product thereof and applications
02/24/1999CN2309011Y Thin-shape double-output brushless generator
02/24/1999CN2309008Y Three phase a.c. magnetor
02/24/1999CN1208985A Alternator for vehicle
02/24/1999CN1208984A Electric motor
02/23/1999US5874796 Permanent magnet D.C. motor having a radially-disposed working flux gap
02/23/1999US5874794 Method for securing magnets to a permanent magnet motor shell and a motor made therefrom
02/23/1999US5873710 Motor spacer for hermetic motor-compressor
02/18/1999WO1999008365A1 Rotor for an electrical machine
02/18/1999WO1999008364A1 Capacitor motor
02/18/1999WO1999008363A1 Dynamo electric machines and stators for use in same
02/18/1999CA2299721A1 Dynamo electric machines and stators for use in same
02/17/1999EP0897212A2 Series motor
02/17/1999CN2308207Y Brushless D. C. motor
02/17/1999CN2308205Y Circular-ring type permanent-magnet alternator
02/17/1999CN2308200Y 电动机定子 Motor stator
02/17/1999CN1208509A Induction motor and its rotor
02/17/1999CN1208277A Alternator for vehicle
02/11/1999WO1999007057A1 Spindle motor for hard disks with cup-shaped sleeve
02/11/1999WO1998049763A3 Magnetically-positioned x-y stage having six-degrees of freedom
02/11/1999DE19733616A1 Coil winding method for annular core of three-phase electric motor pole
02/10/1999EP0895668A1 Rotor and method for producing same
02/10/1999EP0895665A1 Thin film electric motors and method of manufacture
02/10/1999CN2307397Y 马达转子 Motor rotor
02/10/1999CN2307393Y Rare earth magneto generator
02/10/1999CN2307392Y Polepiece of brushless dc motor stator base
02/09/1999US5869913 Electric motor using permanent field magnets
02/09/1999US5869912 Direct-cooled dynamoelectric machine stator core with enhanced heat transfer capability
02/04/1999WO1999005773A1 Electrical machine
02/04/1999WO1999005769A1 Claw pole motor
02/04/1999WO1999005024A1 Electromotive gondola or ship drive system with cooling device
02/04/1999WO1999005023A1 Electric motor pod drive system for a vessel with a cooling device
02/04/1999DE19733565A1 Spindelmotor für Festplatten mit topfförmiger Hülse Spindle motor for hard drives with cup-shaped sleeve
02/04/1999DE19733003A1 Automobile windscreen wiper motor
02/03/1999EP0895335A2 Shear-spinning of rotors for magneto-generators
02/03/1999EP0895334A2 Electric rotating machine having radially outwardly extending bulge on yoke
02/03/1999EP0801837A4 Light weight genset
02/03/1999CN1207215A Low cost multi-pole motor constructions and methods of manufacture
02/03/1999CN1041983C Miniature motor
02/02/1999US5866961 Motor structure
02/02/1999US5866959 Cooling arrangements for rotating electrical machines
01/1999
01/28/1999DE19728172A1 Elektrische Maschine mit weichmagnetischen Zähnen und Verfahren zu ihrer Herstellung Electrical machine with soft magnetic teeth and processes for their preparation
01/28/1999CA2242825A1 Shear-spinning of rotors for magneto-generators
01/27/1999EP0893873A1 Method of securing magnets of revolving electric machine
01/27/1999EP0893871A2 Direct-cooled dynamoelectric machine stator core with enhanced heat transfer capability
01/27/1999EP0655823B1 Method of driving a brushless dc motor
01/27/1999CN2305801Y 薄式马达 Thin motors
01/27/1999CN1206513A Stator for electrical machine
01/27/1999CN1206238A DC motor with two matched magnetic wheels
01/27/1999CN1206236A Method of securing magnets of revolving electric machine
01/26/1999US5864196 Magnetization is sped up when the rotor is rotated by a rotating magnetic field from a stator
01/26/1999US5864193 Electric rotating machine having improved insulation for an armature coil
01/26/1999US5864191 Efficient permanent magnet rotor for brushless motor
01/26/1999US5864189 Yoke arrangement for an electric motor having an improved mechanical strength
01/21/1999WO1999003190A1 Ac generator for vehicle
01/21/1999WO1999003188A1 Brushless dc permanent magnet motors for traction drive systems
01/21/1999WO1999003187A1 Synchronous alternator for use in a wind power plant and wind power plant
01/21/1999DE19729034A1 Synchrongenerator zum Einsatz bei Windenergieanlagen sowie Windenergieanlage Synchronous generator for use in wind turbines and wind turbine
01/20/1999EP0808526B1 An energy storage and conversion apparatus
01/19/1999US5861700 Rotor for an induction motor
01/19/1999US5861699 Electric machine, in particular electric motor
01/19/1999US5861696 Methods and apparatus for improved DC motors and magnetic clutches
01/19/1999US5861695 Composite inductor for electric rotary machines comprising sintered permanent magnets coated with a ferromagnetic binder
01/19/1999US5861694 Field retaining mechanism for a permanent magnet D.C. motor
01/19/1999US5861693 Permanent magnet having high bhmax (b=magnetic flux density, h=magnetic coercive force) with duplex structure: inner layer cobalt-iron-yttrium and outer layer iron-neodymium-boron; energy efficiency