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