Patents for H02K 1 - Details of the magnetic circuit (44,776) |
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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 |