| Patents for H02K 1 - Details of the magnetic circuit (44,776) |
|---|
| 11/15/1990 | WO1990013935A1 Large-diameter a.c. motor with joints in the stator |
| 11/14/1990 | EP0397143A1 Electronically commutated direct-current motor |
| 11/14/1990 | CN1047002A Miniature motor |
| 11/12/1990 | CA2015605A1 Electronically commutated dc motor |
| 11/06/1990 | US4968911 Clam-shell stator construction for electrical machines |
| 11/06/1990 | US4968225 Magnet holder for electromagnetic diaphragm pump |
| 11/06/1990 | US4968224 Vibrator for diaphragm pump and magnet holder therefor |
| 11/01/1990 | WO1990013167A1 Stabilized disk drive spin motor |
| 10/31/1990 | EP0394528A1 Synchronous machine |
| 10/31/1990 | EP0394526A1 Rotating field machine |
| 10/31/1990 | EP0394414A1 Laminated stators for dynamo-electric machines |
| 10/30/1990 | CA1275681C Permanent magnet assembly |
| 10/30/1990 | CA1275679C Motor driven air moving apparatus for high speed, constant duty operation |
| 10/24/1990 | EP0393486A1 Electrical machine, in particular rotating field machine with a plurality of magnetically coupled winding leads per slot |
| 10/24/1990 | CN1010160B Miniature motor |
| 10/23/1990 | US4965476 Stabilized disk drive spin motor |
| 10/18/1990 | WO1990012444A1 Clam-shell stator construction for electrical machines |
| 10/17/1990 | EP0392028A1 Permanent-magnet synchronous motor |
| 10/17/1990 | CN2064129U Rare-earth permanent-magnetism synchronous motor |
| 10/17/1990 | CN1046243A Salt-fog resistant, high magnetic-induction ferritic soft magnetic alloy |
| 10/16/1990 | US4962583 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means |
| 10/10/1990 | EP0391791A1 Multi-phase synchronous machine with permanent magnets |
| 10/02/1990 | US4960474 Iron, boron and rare earth components; anisotropic; flat disks |
| 09/26/1990 | EP0389304A1 Multipolar magnetic ring |
| 09/25/1990 | US4959578 Dual rotor axial air gap induction motor |
| 09/25/1990 | US4959577 Alternating current generator |
| 09/24/1990 | CA2012447A1 Method and apparatus for cooling an electric motor |
| 09/19/1990 | EP0388147A1 Turbo-charger with rotary machine |
| 09/18/1990 | CA1274268A1 Bipolar stepping motor rotor and method of manufacture |
| 09/13/1990 | DE3907516A1 Laminated stator core for an electric motor, and a method for producing a stator |
| 09/12/1990 | EP0386287A1 D.C. machine with main and commutating poles |
| 09/12/1990 | EP0386239A1 Multipole rotor of electric machine |
| 09/11/1990 | CA1273982A1 Direct current motor using rotor core with irregular slots |
| 09/07/1990 | WO1990010335A1 Stator assembly for a non-static cogging brushless dc motor and method of fabricating the same |
| 09/05/1990 | EP0385333A1 Direct current dynamoelectric machine |
| 09/05/1990 | EP0172918B1 Synchronous electric rotary machine |
| 09/04/1990 | US4954739 Neodymium, iron, boron alloy |
| 09/04/1990 | US4954736 Permanent magnet rotor with magnets secured by synthetic resin |
| 09/04/1990 | US4953284 Method for retaining a magnet within a motor assembly |
| 08/31/1990 | CA2010614A1 Stator assembly for a non-static cogging brushless dc motor and method of fabricating the same |
| 08/30/1990 | DE3905997A1 Reluctance motor supplied from an electronic power converter |
| 08/29/1990 | EP0384568A2 Rotor for vehicle dynamo |
| 08/29/1990 | EP0383916A1 Multipole rotor of electric machine |
| 08/28/1990 | US4951377 Core sizing method |
| 08/23/1990 | DE3905013A1 Small electric motor |
| 08/21/1990 | US4950960 Electronically commutated motor having an increased flat top width in its back EMF waveform, a rotatable assembly therefor, and methods of their operation |
| 08/16/1990 | EP0381772A1 Plastic-bonded magnet |
| 08/16/1990 | EP0381769A1 Structure and method for fixing radial type rotor to output shaft of synchronous motor |
| 08/16/1990 | DE4003831A1 Stabilisation of magnetic flux in magnetic motor |
| 08/14/1990 | US4948999 Self-starting two-pole single-phase synchronous motor |
| 08/14/1990 | US4948346 Fuel pump mount for reduction of vibration transmission |
| 08/14/1990 | US4947539 For an electric motor |
| 08/08/1990 | EP0380744A1 Electric machine |
| 08/07/1990 | US4947065 Stator assembly for an alternating current generator |
| 07/31/1990 | CA1272241A1 Rotor assembly having a ring with integral reinforging ribs |
| 07/31/1990 | CA1272240A1 Spider baffle for double end ventilation in dynamoelectric machine |
| 07/25/1990 | EP0378596A1 Two-phase or multiphase synchronous electric motor with disk-shaped rotor. |
| 07/24/1990 | US4943748 Motor with cup-shaped rotor having cylindrical portions of different diameter |
| 07/18/1990 | EP0378162A1 Synchronous motor adapted to operate at constant power, and control for this motor |
| 07/17/1990 | US4942325 Electric motor |
| 07/17/1990 | US4942324 Rotor for rotary electric machine |
| 07/17/1990 | US4942323 Two pole electric motor with stator winding encircling the rotor |
| 07/17/1990 | US4942322 Permanent magnet rotor with bonded sheath |
| 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 | US4940912 Brushless electric motor with self starting asymmetry |
| 07/10/1990 | CA1271510A1 Brushless d.c. dynamoelectric machine with decreased magnitude of pulsations of air gap flux |
| 07/10/1990 | CA1271509A1 Electric generator for use in turbocharger |
| 07/05/1990 | DE3844074A1 Synchronous machine |
| 07/04/1990 | EP0376178A1 Machine tool with motor spindle cooling |
| 07/03/1990 | US4939398 Laminated assemblies with in situ molded magnets |
| 06/27/1990 | EP0375228A1 Electronically commutated motor and stationary assembly therefor with teeth faces having notches and having a skew between the slots and the permanent magnet field to reduce cogging |
| 06/27/1990 | CN1008582B Rotating electric motor |
| 06/26/1990 | US4937486 Salient pole of an electric machine |
| 06/21/1990 | DE3842800A1 Rotor constructed for a DC motor |
| 06/21/1990 | DE3842560A1 Field core for an electric motor |
| 06/20/1990 | CN1008449B Alloy of iron-copper-manganese-boron for making solid rotor of electric machine and its manufacturing process |
| 06/19/1990 | US4935656 High speed motor/generator for turbocharger |
| 06/19/1990 | US4935653 Stator for a ceiling fan |
| 06/19/1990 | US4935080 Phosphate, chromate protective coatings |
| 06/19/1990 | US4934042 Lamination to rotor shaft retention method utilizing spring pins |
| 06/13/1990 | CN1043045A Generator core support system and stacking fixture therefor |
| 06/13/1990 | CN1008419B Rotating electric motor |
| 06/12/1990 | US4933584 Electronically commutated motor having skewed magnetics |
| 06/12/1990 | US4933583 Rotor having balance weights |
| 06/12/1990 | US4933582 Magnet-retaining structure for motor |
| 06/06/1990 | EP0371934A1 A method of manufacturing a rotor for an alternating-current electrical machine, particularly for an alternator for motor-vehicles |
| 06/06/1990 | CN1042811A Closed channel axial vent for radially ventilated generator rotor |
| 06/05/1990 | US4931681 One-piece support and end cover structure for electric motors |
| 06/05/1990 | US4930201 Method for manufacturing a composite sleeve for an electric motor |
| 05/29/1990 | CA1269693A1 Explosion-proof electrical generator system |
| 05/23/1990 | EP0369571A1 Closed channel axial vent for radially ventilated generator rotor, and a generator rotor including same |
| 05/23/1990 | EP0368940A1 Electric motor. |
| 05/23/1990 | EP0368930A1 A motor or alternator. |
| 05/10/1990 | DE3837844A1 Arrangement of the stator in the motor housing of electric tools |
| 05/09/1990 | EP0367490A2 Generator core support system and stacking fixture therefore |
| 05/09/1990 | EP0367044A1 Electric machine with a horizontal axis |
| 05/09/1990 | CN1042033A Stator keybar installation using auxiliary plates |
| 05/08/1990 | US4924130 Reluctance synchronous electric machine having intrinsic phase correction means |