| Patents for H02K 1 - Details of the magnetic circuit (44,776) | 
|---|
| 04/23/1991 | US5010266 Anti-clogging offset for rotor of synchronous motor  | 
| 04/18/1991 | WO1991005396A1 Structure of rotor of a synchronous motor  | 
| 04/17/1991 | CN2075396U Stator core strip for single-phase asynchronous motor  | 
| 04/16/1991 | US5008578 Permanent magnet motor having diverting magnets  | 
| 04/10/1991 | EP0421529A1 Linear motor and positioning device comprising at least one linear motor  | 
| 04/10/1991 | EP0421346A2 Method for producing an electric rotary machine such as a motor of DC brushless type  | 
| 04/10/1991 | CN2074950U Three-phase low-speed synchronous electric motor  | 
| 04/09/1991 | US5006748 Stator mounting arrangement  | 
| 04/09/1991 | US5006045 Scroll compressor with reverse rotation speed limiter  | 
| 04/04/1991 | DE3931484A1 Reluctance motor with magnetic pole rotor - has alternating layers of magnetisable and non-magnetisable material  | 
| 04/04/1991 | DE3931442A1 Rotor for electrical generator or alternator in vehicle - uses cold forming to fit armature parts to rotor shaft  | 
| 04/03/1991 | CN2074511U Large power flywheel magneto  | 
| 04/03/1991 | CN1050473A Multipole rotor of dynamo-electric machine  | 
| 04/02/1991 | US5004577 Frame and magnet assembly for a dynamoelectric machine  | 
| 04/02/1991 | US5003686 Method of manufacturing a synchronous electric motor with magnetized rotar  | 
| 03/27/1991 | EP0419124A1 Stator assembly for an alternating current generator  | 
| 03/27/1991 | EP0418712A1 Position sensor  | 
| 03/27/1991 | CN1050292A Multipole rotor of dynamo-electric machine  | 
| 03/26/1991 | CA1282102C Wedge locking device in a radially ventilated rotor  | 
| 03/21/1991 | WO1991003855A1 Permanent magnet excited rotating electrical high speed machine  | 
| 03/19/1991 | US5001380 Rotor for an asynchronous motor with multiple layered screen  | 
| 03/19/1991 | US5001378 Rotor with reduced windage losses  | 
| 03/06/1991 | EP0415057A1 Device for conveying the cooling medium in salient-pole machines  | 
| 03/05/1991 | US4998084 Multipolar magnetic ring  | 
| 03/05/1991 | US4998034 Low speed high torque motor with production method  | 
| 03/05/1991 | US4997002 Power transmission  | 
| 03/05/1991 | CA1280898C Stepping motor and frame plate assembly for a wristwatch  | 
| 03/02/1991 | WO1991003859A1 Rotor with reduced windage losses  | 
| 03/02/1991 | CA2044278A1 Rotor with reduced windage losses  | 
| 02/27/1991 | EP0414507A1 Improvements in electric reluctance machines  | 
| 02/27/1991 | EP0414129A2 Electric rotary machine, method for producing the same and hydro-electric power installation with the machine  | 
| 02/27/1991 | EP0413708A1 Electric machine, in particular tubular generator.  | 
| 02/27/1991 | EP0279809B1 D.c. generator  | 
| 02/26/1991 | US4996456 Axial retainers for coated electromagnetic rotor  | 
| 02/21/1991 | WO1991002398A1 Alternating current generator with a central lamella in the stator bundle and process for manufacturing the central lamella  | 
| 02/20/1991 | EP0413452A1 Alternators  | 
| 02/20/1991 | EP0413183A1 A method and a structure for assembling and mechanically blocking permanent magnets in brushless synchronous motors and the like  | 
| 02/20/1991 | EP0413113A2 Electronically commutated motor for vacuum cleaner and the like  | 
| 02/19/1991 | US4994702 Motor  | 
| 02/19/1991 | US4994699 Drain cover for yoke of dynamic electric machine  | 
| 02/19/1991 | US4993290 Method of stamping rotor and stator laminations  | 
| 02/18/1991 | WO1991003094A1 Stator mounting arrangement  | 
| 02/13/1991 | EP0412340A1 Synchronmotor, preferably electronically commutated servomotor with permanent magnet excitation  | 
| 02/12/1991 | US4992686 Single housing stepper motor  | 
| 02/07/1991 | WO1991001588A1 Process for the assembly of an electric motor  | 
| 02/07/1991 | WO1991001587A1 Structure for liquid-cooling of motor  | 
| 02/07/1991 | WO1991001584A1 Radial drive for implantable centrifugal cardiac assist pump  | 
| 02/07/1991 | DE3925365A1 Wechselstromgenerator mit statorpaket-mittellamelle und verfahren zur herstellung der mittellamelle Alternator stator-middle lamella and process for manufacturing the medium lamella  | 
| 02/07/1991 | DE3925337A1 Electric motor with housing accommodating stator surrounding rotor - has cooling ducts running axially so gaseous cooling medium under high pressure is fed in closed cooling circuit  | 
| 02/05/1991 | US4990812 Solenoid type electric generator  | 
| 02/05/1991 | US4990806 Pulse motor  | 
| 01/30/1991 | EP0410933A1 Tubular motor with reduction gearing and with double insulation  | 
| 01/30/1991 | EP0410127A1 Electrical machine as D.C. tachometer generator  | 
| 01/30/1991 | EP0410048A2 Method for fixing permanent magnets on rotors of brushless motors and relevant product  | 
| 01/30/1991 | EP0410047A1 Improvements to brushless tachogenerators with position sensor for brushless motors  | 
| 01/30/1991 | CN2070511U Rare-earth permanent magnet generator for automobile  | 
| 01/24/1991 | DE3920549A1 Combined housing and magnetic core for electromotor - uses magnetic wire or strip for cylindrical rotor and stator cores bonded to form robust structure  | 
| 01/23/1991 | EP0409661A1 Motor  | 
| 01/23/1991 | CN1011372B Double bevel wedge  | 
| 01/22/1991 | US4987331 Non-brush D.C. motor with an improved stator  | 
| 01/22/1991 | US4987330 Rotor lamination assembly for a dynamoelectric machine  | 
| 01/22/1991 | US4987329 Motor magnet arrangement  | 
| 01/22/1991 | CA2021663A1 Motor  | 
| 01/16/1991 | EP0408486A1 Structure and method of assembly of bearing support means to the stator assembly of an electric motor  | 
| 01/16/1991 | EP0282477B1 Electrical machine, in particular for starting systems of internal combustion engines  | 
| 01/11/1991 | CA2020735A1 Radial drive for implantable centrifugal cardiac assist pump  | 
| 01/10/1991 | WO1991000638A1 Rotor structure of the radial type  | 
| 01/10/1991 | DE4018959A1 Hollow motor armature core shaft mfr. - with ridging of outer surface and fixing of core element before removing centre of hollow shaft  | 
| 01/09/1991 | EP0406437A1 Method of fabricating a stator structure of built-in motor  | 
| 01/08/1991 | US4983866 Encapsulated armature for electric motor  | 
| 01/07/1991 | CA2005807A1 Functionally modular brushless motor  | 
| 01/02/1991 | EP0405258A2 Rotary electric machine  | 
| 01/02/1991 | CN2068730U Stator core of micromotor  | 
| 01/02/1991 | CN1048287A Stator iron core and electric machine equipped with said iron core  | 
| 01/01/1991 | US4982129 Single phase asynchronous motor with two magnetic poles  | 
| 01/01/1991 | US4982128 Double air gap alternator  | 
| 12/30/1990 | CA2020079A1 Motor stator heat spike  | 
| 12/26/1990 | CN2068294U Miniature water-wheel type generator  | 
| 12/26/1990 | CN1048129A 同步机 Synchronous machine  | 
| 12/25/1990 | US4980595 Multiple magnetic paths machine  | 
| 12/25/1990 | US4980593 Direct current dynamoelectric machines utilizing high-strength permanent magnets  | 
| 12/25/1990 | US4980592 Flywheel magnet rotor assembly  | 
| 12/25/1990 | US4979285 Method of connecting a stack of laminations for electric motors  | 
| 12/19/1990 | EP0403317A1 Electric motor stator  | 
| 12/18/1990 | CA1278013C Permanent magnet rotor assembly  | 
| 12/12/1990 | EP0215129B1 Permanent magnet field rotor assembly  | 
| 12/11/1990 | US4977344 Rotor assembly and motor construction  | 
| 12/11/1990 | US4977343 Electric motor commutator secured to rotor by confined epoxy  | 
| 12/04/1990 | US4975613 Electrical machine with horizontal axis and resilient support of stator core  | 
| 12/02/1990 | WO1990015467A1 Synchronous machine  | 
| 11/28/1990 | EP0399131A1 Electric motor whose poles are set according to the direction of the axis without commutator parts, and magnetic motor based on the same principle  | 
| 11/28/1990 | EP0226586B1 A synchronous servomotor  | 
| 11/27/1990 | US4973873 Electric machine  | 
| 11/27/1990 | US4973872 Dynamoelectric machine rotor assembly with improved magnet retention stucture  | 
| 11/27/1990 | US4973871 Stator assembly having magnet retention by mechanical wedge constraint  | 
| 11/27/1990 | US4973869 Brushless coreless DC motor  | 
| 11/27/1990 | US4973868 Electrical machine with permanent magnet excitation  | 
| 11/22/1990 | EP0398746A2 Dynamoelectric machines with slot closure wedges, and methods of making the same  | 
| 11/20/1990 | US4972114 Alternating-current generator with claw pole rotor  | 
| 11/20/1990 | US4972113 Structure and method of assembly of bearing support means to the stator assembly of an electric motor  |