| Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046) |
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| 01/15/1991 | US4984480 Rolling rotor motor balancing means |
| 01/15/1991 | US4984353 Production line for electric motor subassemblies |
| 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 |
| 01/10/1991 | DE3920548A1 Drive coil system for electric motor - uses flat conductors applied to flexible insulation band rolled up into cylindrical coil |
| 01/09/1991 | EP0406437A1 Method of fabricating a stator structure of built-in motor |
| 01/09/1991 | CN2069180U Movable model frame for motor windings |
| 01/08/1991 | US4983866 Encapsulated armature for electric motor |
| 01/08/1991 | US4982908 Methods and apparatus for winding two-pole electric motor stators |
| 01/08/1991 | CA1278811C Magnetic top wedge |
| 01/01/1991 | US4982122 Method and apparatus for insulating liquid-cooled stator coil headers and connectors |
| 01/01/1991 | US4981635 Methods for producing a resin-bonded magnet |
| 12/26/1990 | CN1011011B Method for winding double-layer motor coils |
| 12/25/1990 | US4980587 Spindle motor with precision bearings |
| 12/18/1990 | CA1278013C Permanent magnet rotor assembly |
| 12/13/1990 | DE3918129A1 Motor wire winding and interference suppression choke mfr. - utilising auxiliary winding device for choke added on ferrite core without breakage of main winding wire |
| 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 | US4974313 Lead guide actuator mechanism for use on armature winding machines |
| 11/29/1990 | DE3916619A1 Vacuum impregnation esp. of rotor and stator windings - involves application of droplets to workpiece rotated in partially movable cylindrical housing mounted on tilting platform |
| 11/28/1990 | CN2066635U Pneumatic hydraulic rule device of high voltage motor stator |
| 11/22/1990 | EP0398746A2 Dynamoelectric machines with slot closure wedges, and methods of making the same |
| 11/22/1990 | EP0397964A2 Methods and apparatus for winding stators for electric motors and the like |
| 11/20/1990 | US4972113 Structure and method of assembly of bearing support means to the stator assembly of an electric motor |
| 11/20/1990 | US4970774 Method for inserting a plurality of phase insulators in the cavities of the stator of a dynamo-electric machine |
| 11/13/1990 | US4969606 Machine for winding two-pole stators |
| 11/13/1990 | US4969414 Apparatus for treating cores |
| 11/06/1990 | US4967469 Insertion finger |
| 11/06/1990 | CA1275787C Method for repairing a steam turbine or generator rotor |
| 10/31/1990 | EP0394414A1 Laminated stators for dynamo-electric machines |
| 10/30/1990 | US4967111 System for axially locating the rotor of a rotating machine |
| 10/30/1990 | US4965924 Methods for making electric motor parts employing pallet with removable workpiece holder |
| 10/23/1990 | US4964291 Coil shapers for coils of rotating electric machines |
| 10/23/1990 | US4964210 Method of connecting stator coil of motor |
| 10/16/1990 | US4963776 Vehicular a.c. generator having improved cooling structure |
| 10/16/1990 | US4963391 Method of operating apparatus |
| 10/10/1990 | CN1046070A Wire inlaying mould for armature without grooving and its technology |
| 10/04/1990 | DE4006917A1 Coil completion for dynamo electric machine - fixing slot parts of form coil vertically in acute angle |
| 10/03/1990 | EP0389540A1 Toroidally wound generator/motor |
| 10/02/1990 | US4960474 Iron, boron and rare earth components; anisotropic; flat disks |
| 10/02/1990 | US4960469 Method of manufacturing magnetically anisotropic magnet materials and device for same |
| 09/25/1990 | US4958777 Winding machine for woven crossed-coil air core gauge |
| 09/19/1990 | EP0387743A1 Enclosed air cooled electrical motor and its manufacturing method |
| 09/19/1990 | EP0387666A1 Armature of a rotary electric machine with a commutator, method of producing the same and a conductor for the armature coil |
| 09/19/1990 | EP0387411A1 Methods and apparatus for producing stators with coil terminations at both ends |
| 09/19/1990 | CN2062517U Principal phase coil tightening system |
| 09/18/1990 | US4956910 Armature assembly method |
| 09/18/1990 | CA1274076A1 Armature winding machine with removable collet and shrouds |
| 09/13/1990 | DE3907516A1 Laminated stator core for an electric motor, and a method for producing a stator |
| 09/12/1990 | CN1009598B Flat coil and method for producing the same |
| 09/11/1990 | US4955130 Feeder blade replacement apparatus for coil inserter tooling |
| 09/11/1990 | US4955128 Method for inserting rotor of electric motor |
| 09/07/1990 | WO1990009863A1 Method of welding motor stator |
| 09/05/1990 | EP0172918B1 Synchronous electric rotary machine |
| 09/04/1990 | US4954739 Neodymium, iron, boron alloy |
| 09/04/1990 | US4953797 Woven cross-coil winding system |
| 08/28/1990 | US4951379 Method for connecting wires to terminals having tangs and cutting the wires at the terminals |
| 08/28/1990 | US4951377 Core sizing method |
| 08/28/1990 | CA1273391A1 Submersible electric motor and method of assembling same |
| 08/21/1990 | US4950438 Molding process for coating a motor stator |
| 08/21/1990 | CA1273098A1 Dynamic air gap measuring device for use with rotating electrical machinery |
| 08/16/1990 | EP0381772A1 Plastic-bonded magnet |
| 08/15/1990 | CN2060606U Paper inserting mechanism and emergency stop apparatus of insulating machine |
| 08/14/1990 | US4949002 Rotor for printed-wiring motor |
| 08/14/1990 | US4948999 Self-starting two-pole single-phase synchronous motor |
| 08/14/1990 | US4947900 Winding template for coils drawable into the stator of an electrical machine |
| 08/14/1990 | US4947720 Die improvement |
| 08/14/1990 | US4947539 For an electric motor |
| 08/07/1990 | US4947065 Stator assembly for an alternating current generator |
| 08/07/1990 | US4946111 Methods and apparatus for winding stators for electric motors and the like |
| 08/07/1990 | US4945631 Armature assembly apparatus |
| 08/01/1990 | CN2060022U Adjustable dividing handpiece of slot insulation inserting electric machine |
| 07/31/1990 | US4944085 Means for assembling electric motors with reduced end-play |
| 07/25/1990 | EP0379012A2 Method for manufacturing the stator of a large electric machine |
| 07/25/1990 | CN1044194A Paint impregnating for stirring windings of eletrical machine of the high-pressure autoclave |
| 07/18/1990 | CN2059536U Machine for disassembling winding of motor |
| 07/17/1990 | US4942322 Permanent magnet rotor with bonded sheath |
| 07/17/1990 | CA1271833A1 Acoustic monitor for rotary electrical machinery |
| 07/12/1990 | WO1990007817A1 Stator structure of built-in motor |
| 07/12/1990 | DE4000153A1 Statorpaket fuer elektrische maschinen Stator for electric machines |
| 07/10/1990 | US4940913 Core for a dynamoelectric machine |
| 07/10/1990 | US4940494 Process and equipment for cleaning large electromechanical parts |
| 07/04/1990 | CN1008676B Asynchronous motor of new wound-rotor type |
| 07/03/1990 | US4939499 Magnetic pole detecting Hall element |
| 07/03/1990 | US4939398 Laminated assemblies with in situ molded magnets |
| 06/28/1990 | WO1990007221A1 Insulated conductor |
| 06/27/1990 | EP0374454A1 Method and equipment for manufacturing an electric motor, especially a disk motor |
| 06/26/1990 | US4937226 Deposition of thin film of compound oxide around core |
| 06/21/1990 | DE3842563A1 Isolierter leiter Insulated conductor |
| 06/21/1990 | DE3842074A1 Fitting a winding overhang binding made of glass fibres onto the rotor of an electrical machine |
| 06/20/1990 | EP0373680A2 Methods and apparatus for making electric motor parts employing pallet with removable workpiece holder |
| 06/20/1990 | EP0222107B1 Method for adjusting the end play between the rotor and the stator of an electric motor |
| 06/19/1990 | US4935080 Phosphate, chromate protective coatings |
| 06/13/1990 | CN1043045A Generator core support system and stacking fixture therefor |
| 06/12/1990 | US4933583 Rotor having balance weights |
| 06/06/1990 | EP0371933A1 A method of manufacturing a winding for the stator of a direct-current electrical machine |
| 05/31/1990 | WO1990006013A1 Cage rotor and method of manufacturing same |
| 05/22/1990 | US4926541 Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site |
| 05/22/1990 | US4926540 Process for producing an electric motor |
| 05/15/1990 | US4926079 Motor field winding with intermediate tap |
| 05/15/1990 | US4925118 Device for the automatic change-over of the form in a coil winder for forming the winding of a dynamo-electric machine |