| Patents for H02K 1 - Details of the magnetic circuit (44,776) |
|---|
| 09/19/1991 | DE4008639A1 Spindle electro-motor with improved wear resistance - has asymmetrical radial loading of electro-magnetic force between rotor and stator |
| 09/18/1991 | CN2085108U Permanent-magnet dc motor with strongly exciting electromagnetic poles |
| 09/11/1991 | EP0445367A1 Electrical motor assembly |
| 09/11/1991 | EP0445308A1 Structure of rotor of a synchronous motor |
| 09/11/1991 | CN2084678U Multi-phase lateral magnetic field switch reluctance motor |
| 09/10/1991 | US5047681 Constant power synchronous motor with microprocessor control |
| 09/10/1991 | CA1288797C Double insulated motor including a magnet retainer |
| 09/10/1991 | CA1288796C Permanent magnet assembly and method of making same |
| 09/05/1991 | DE4004812A1 Prodn. of insulated armature shafts - by winding glass filaments to form tubular braiding on shaft rods, impregnating with resin, curing, cutting to length |
| 09/04/1991 | CN2084251U Stator structure for dc motor without carbon brush |
| 09/03/1991 | US5046154 Encapsulated armature and shaft assembly |
| 09/03/1991 | US5046150 Alternators |
| 09/03/1991 | US5045742 Electric motor with optimum core dimensions |
| 09/03/1991 | US5044897 Radial drive for implantable centrifugal cardiac assist pump |
| 08/28/1991 | EP0443403A1 Electromagnetic micro-motor for equipping a small clockwork-movement |
| 08/28/1991 | CN1054149A Stator pack for electric machine |
| 08/27/1991 | US5043616 Induction motor mounted on bolted legs and end plates |
| 08/27/1991 | CA1288125C Rotating electric machine with external rotor |
| 08/22/1991 | WO1991006146A3 Improved motors and methods of making the same |
| 08/21/1991 | EP0275253B1 Device for fixing the stator of a three-phase current alternator |
| 08/20/1991 | US5040286 Method for making permanent magnet rotor |
| 08/20/1991 | US5040285 Method of manufacturing a motor element of an electric motor |
| 08/14/1991 | CN2082913U Multiphase multipolar square-wave permanent-magnet machine |
| 08/14/1991 | CN1013537B High-speed motor generator |
| 08/13/1991 | WO1991012646A1 Lightweight high power electromotive device |
| 08/13/1991 | US5039897 Rotor structures of A.C. synchronous servo motor |
| 08/07/1991 | EP0439739A1 Synchronous electric machine |
| 08/06/1991 | USRE33655 Laundry machine drive |
| 08/02/1991 | WO1991011842A1 Stator for dynamoelectric machine |
| 08/02/1991 | CA2024384A1 Double air gap alternator |
| 08/01/1991 | DE4010569A1 Electric machine rotor with permanent magnets around core - retained by non-magnetic fibrous band in grooves under radially movable segments between centring discs on shaft |
| 07/31/1991 | EP0438594A1 Rotor structure of the radial type |
| 07/30/1991 | US5035043 Method of assembly of bearing support structure to the stator assembly of an electric motor |
| 07/25/1991 | WO1991011051A1 Magnetic induction method and magnetic circuit of rotator for generating mechanical and electric power |
| 07/24/1991 | EP0438334A1 Manufacturing method of a centrifugal pump driven by an electrical motor and motor pump so obtained |
| 07/24/1991 | EP0437571A1 Process for the assembly of an electric motor. |
| 07/24/1991 | EP0248912B1 Rotor for built-in motor |
| 07/24/1991 | CN1053329A Rare-earth permanent magnet brushless dc motor of refrigerator |
| 07/24/1991 | CN1053327A Thin commutatorless dc micro-motor |
| 07/23/1991 | US5034643 Magnetic circuit for the stator of an electric motor and stator equipped therewith |
| 07/23/1991 | US5034642 Permanent magnet rotor and motor |
| 07/23/1991 | US5034641 Rotary machines with permanent magnet |
| 07/17/1991 | EP0436721A1 Method of assembling a brushless motor |
| 07/11/1991 | WO1991010279A1 Combination hysteresis-reluctance-permanent-magnet motor |
| 07/11/1991 | WO1991010277A1 Permanent-magnet-excited electric machine, especially one with a high rotation speed |
| 07/10/1991 | CN1052976A Method for mass producing interior magnet rotary machine and interior magnet rotary machine produced thereby |
| 07/09/1991 | US5030871 Reducing harmonic losses in dynamoelectric machine rotors |
| 07/09/1991 | CA1285980C Closed slot rotor construction |
| 07/03/1991 | EP0435313A1 Squirrel-cage rotor |
| 07/03/1991 | EP0434845A1 Structure for liquid-cooling of motor |
| 07/03/1991 | CN1052747A Combined permanent magnet steel |
| 06/27/1991 | WO1991009449A1 Slotless, brushless, large air-gap electric motor |
| 06/27/1991 | WO1991009442A1 Magnetic flux return path for an electrical device |
| 06/27/1991 | WO1991009441A1 Liquid crystal polymer for electric component insulation |
| 06/27/1991 | WO1991008919A1 Power unit for vehicles |
| 06/27/1991 | DE3943237A1 Permanentmagneterregte elektrische maschine, insbesondere hoher drehzahl Permanent-magnet electric machine, especially high speed |
| 06/26/1991 | EP0433479A1 Brushless DC motor and its rotor magnet |
| 06/25/1991 | US5027026 Brushless motor |
| 06/25/1991 | US5026518 Compacting; sintering; sealing agent; outer coating, corrosion resisant, magnetic stability |
| 06/25/1991 | CA1285124C Method of forming permanent magnets within a motor yoke |
| 06/19/1991 | EP0433037A1 Spindle motor and disk drive provided therewith |
| 06/19/1991 | CN2079383U Mineral part fan |
| 06/19/1991 | CN2079381U 电扇马达 Fan motor |
| 06/19/1991 | CN2079380U Composite permanent magnetic steel |
| 06/16/1991 | WO1991009443A1 Method for mass producing an interior magnet rotary machine and the interior magnet rotary machine produced thereby |
| 06/16/1991 | CA2071992A1 Method for mass producing an interior magnet rotary machine and the interior magnet rotary machine produced thereby |
| 06/13/1991 | WO1991008607A1 Magnetized motor armature |
| 06/12/1991 | EP0431514A1 Motor with magnets of the flux concentration type |
| 06/12/1991 | EP0431178A1 Synchronous machine |
| 06/12/1991 | CN1052225A Car electric generator with big specific power and manufacture method thereof |
| 06/12/1991 | CN1012869B Wedge locking device in radially ventilated rotor |
| 06/11/1991 | US5023502 Switched reluctance motor rotor |
| 06/11/1991 | US5023501 Horizontal axis electrical machine with radial support bolts |
| 06/11/1991 | US5023500 Stator lamination with alignment structure for controlled skewing |
| 06/11/1991 | CA1284813C Space block control means for dynamoelectric machine |
| 06/05/1991 | EP0430795A1 Rotor of a motor with magnets |
| 06/05/1991 | EP0248798B1 Synchronous electric motor with magnetized rotor and method for fabricating said motor |
| 06/05/1991 | CN2078502U A.c. magneto rotor |
| 06/04/1991 | US5021698 Axial field electrical generator |
| 05/30/1991 | WO1991007805A1 Permanent magnet structure for use in electric machinery |
| 05/22/1991 | EP0428323A2 Electrical motor stator assembly with square edged stator plates |
| 05/16/1991 | DE3941974A1 Low magnetic efficiency material - used as stators and rotors in current generators |
| 05/15/1991 | EP0427145A1 Pump with driving motor |
| 05/15/1991 | EP0426751A1 Stator support structure with stamped end plates |
| 05/14/1991 | US5015902 Multiphase synchronous permanent magnet electric machine |
| 05/14/1991 | US5015901 Rotor of a magnetmotive device |
| 05/14/1991 | US5015159 Fuel pump |
| 05/14/1991 | US5015155 Motor cover assembly and method |
| 05/08/1991 | EP0426376A2 Switched reluctance motor rotor |
| 05/08/1991 | DE4016415A1 Horizontal axis electrical machine - has axial beams extending across stator rings supported from machine housing via perpendicular straps |
| 05/08/1991 | DE3934411A1 Alternator for automobile voltage supply - has angled edge at each side of pole claws for one pole wheel |
| 05/07/1991 | US5013957 Motor with toothed disk to secure the stator core |
| 05/07/1991 | US5013953 Stator assembly for a non-static cogging brushless DC motor and method of fabricating the same |
| 05/07/1991 | US5013951 Multipolar rotor for electric machine with interpolar and polar magnets |
| 05/02/1991 | WO1991006146A2 Improved motors and methods of making the same |
| 05/02/1991 | EP0425478A2 External rotor motor, in particular collectorless direct-current motor |
| 05/02/1991 | EP0425132A1 Alternating current generator |
| 05/01/1991 | CN1012546B Three-phase induction motor |
| 04/24/1991 | CN2075834U Inlaid permanent magnet |
| 04/24/1991 | CN1012458B Asynchronous motor |