Patents for H02K 1 - Details of the magnetic circuit (44,776)
02/1993
02/18/1993WO1993003533A1 Stator/housing assembly of an electric motor
02/16/1993US5187401 Combination hysteresis-reluctance-permanent-magnet motor
02/16/1993US5187398 Electromagnetic actuator
02/09/1993US5185547 Dynamo-electric machine stator core construction
02/09/1993US5185546 Electromagnetic rotation control device
02/09/1993US5185545 Dual propeller shock resistant submersible propulsor unit
02/03/1993EP0365689B1 Synchronous motor
01/1993
01/31/1993CA2048419A1 Annular rotor automotive device
01/30/1993CA2048174A1 Annular ring self-energizing motor
01/27/1993CN1068450A Rare-earth synchronous motor with ring rotor
01/26/1993US5182483 Squirrel-cage rotor with shaped-conductor harmonic reduction
01/21/1993WO1993001340A1 Drive device for the cylinder of a hosiery machine and rotor assembly for a brushless synchronous motor
01/20/1993EP0523353A1 Heat resistant and explosion-proof type permanent magnetic synchronous motor
01/20/1993CN2126601Y Dc exciting motor
01/20/1993CN1068223A Energy-saving single-phase motor having special slot
01/19/1993US5179872 Magneto rotor
01/19/1993CA1312902C Stator and rotor lamination construction for a dynamo-electric machine
01/19/1993CA1312901C Dc motor with u-shaped rotor-coil wire having inclined intermediate portion
01/19/1993CA1312900C Closed channel axial vent for radially ventilated generator rotor
01/13/1993EP0522042A1 Electromagnetic actuator.
01/13/1993EP0522015A1 Method of making an electromagnetic transducer
01/13/1993CN1067991A Two-phase squirrel-cage permanent-magnet a.c. generator
01/12/1993US5179305 Linear motor within a positioning device
01/12/1993US5177858 Method of mounting motor lamination stacks
01/07/1993WO1993000735A1 Rotor for high-speed induction ac motor
01/07/1993WO1993000734A1 Spindle driving motor
01/07/1993EP0521791A1 Improved structure of a direct current motor with electronic commutation
01/07/1993EP0521786A1 Direct current electric motor with improved structure
01/07/1993EP0521309A1 Electric machine, in particulier three-phase generator for automotive vehicles
01/07/1993DE4121428A1 Spindelmotor, insbesondere fuer plattenspeicher Spindle motor, especially for drive space
01/05/1993US5177392 High efficiency, low reactance disk-type machine including an improved rotor and stator
01/05/1993US5177391 Power generating apparatus
01/05/1993US5177385 Air gap baffle ring for a dynamoelectric machine
12/1992
12/29/1992US5175462 Toroidal coil motor
12/29/1992US5175461 Permanent magnet rotor having magnet positioning and retaining means
12/29/1992US5175460 Flat yoke type DC machine
12/24/1992DE4120663A1 Magnetic materials comprising spin-coupled hard and soft magnetic phases
12/22/1992US5173629 Electric motor stator assembly with square edged stator plates
12/22/1992US5173628 Brushless motor
12/15/1992US5172021 Deflector motor with gas bearing and magnet thrust bearing
12/15/1992US5172020 Magnetic core for AC electrical equipments
12/15/1992US5170555 Method of assembling a refrigeration compressor
12/15/1992CA1311515C Double-slope wedge
12/10/1992WO1992022121A1 Electrical machines
12/10/1992CA2109821A1 Electrical machines
12/09/1992EP0517060A1 Method and apparatus for cooling hot spots in platen of linear motor system
12/09/1992EP0482063A4 Radial drive for implantable centrifugal cardiac assist pump
12/09/1992CN2124522U External rotor for rb-fe-b magneto
12/09/1992CN2124521U Fan motor for refrigerating equipment
12/09/1992CN1066938A Electric motor stator and their production method
12/08/1992US5170086 Electric motor with toothed disk to secure stator core
12/08/1992US5170085 Rotor for rotary machine with permanent magnets
12/08/1992US5170084 Wide-angle arc segment magnet and brush motor containing it
12/08/1992US5168662 Process of structuring stator of built-in motor
12/08/1992CA1311216C Flexible magnet for use in small dc motors and apparatus for making same
12/04/1992WO1992022123A1 Magnetically driven motor
12/04/1992CA2087426A1 Magnetically driven motor
12/02/1992CN2123827U Low-speed submersible oil motor
12/01/1992US5168187 Axial pole stepping motor
12/01/1992CA1311009C Permanent magnet rotor with magnet retention band
12/01/1992CA1310821C Gallium-containing magnet for a motor
11/1992
11/26/1992DE4216489A1 Package motor for magnetic disc drive - has rotor with plate supporting magnets and having formed recess profile to improve stiffness
11/25/1992EP0515259A1 Three-phase alternator for automobile type vehicles
11/25/1992EP0514875A2 Armature core
11/24/1992US5166569 Rotor containment assembly for dynamoelectric machines
11/24/1992US5166567 Engine welder
11/19/1992EP0513094A1 Stator for dynamoelectric machine.
11/18/1992CN2122449U Permanent-magnetism a.c. generator for tractor
11/18/1992CN2122446U Asynchronous induction started rare-earth permanent-magnetizm motor
11/18/1992CN1066347A Miniature motor
11/14/1992CA2068458A1 Stator stabilizing assemblies
11/12/1992DE4114989A1 Electrically driven rotation pump e.g. for fuel - has successive armature rings with central flow channel for pumped medium
11/11/1992CN2121767U D. c. micromotor rotor
11/11/1992CN2121766U 电动机 Electric motor
11/10/1992US5162686 Motor rotor having magnets
11/10/1992US5162685 Rotor for a revolving-field type motor
11/10/1992US5162684 Field magnet for miniature motors
11/10/1992CA1310056C2 Permanent magnet rotor assembly
11/04/1992CN2121097U Claw rotor electronic reversing motor
11/04/1992CN2121094U Squirrel-cage permanent magnetism rotor
11/04/1992CN2121093U Squirrel-cage permanent magnetism rotor
11/04/1992CN1065955A Electromagnetic motor with two rotation senses particularly intended for timepiece
11/03/1992US5160867 Motor field assembly
11/03/1992US5160865 Disk assembly with thermally isolated in-hub spindle motor
11/03/1992US5160447 Inner yoke of linear voice coil motor; ferromagnetic powder and binder with specified voids
10/1992
10/28/1992EP0511082A1 Brushless type electrical turning machine for detecting the absolute angular position
10/28/1992EP0509993A1 Magnetic induction method and magnetic circuit of rotator for generating mechanical and electric power.
10/28/1992CN2120403U Additional rim type rare-earth magneto electric machine rotor
10/28/1992CN2120402U Accessory type rare-earth permanent-magnet motor
10/27/1992US5159220 Realizations of folded magnet AC motors
10/27/1992CA1309450C Permanent magnet dynamo electric machine with a non-conducting stator substrate
10/21/1992EP0509635A2 Disk drive unit
10/21/1992EP0509351A1 Electromagnetic motor having two rotation directions, in particular for timepiece
10/21/1992EP0509119A1 Rotor of an asynchronous machine
10/21/1992EP0363405B1 Multiphase synchronous-design electric machine energized by permanent magnets
10/21/1992CN2119721U Permanent-magnet brushless generator
10/21/1992CN1018777B Salt-fog resistant, high magnetic-induction ferritic soft magnetic alloy
10/20/1992US5157297 Structure of radial type rotor
10/20/1992US5157294 Miniature motor
10/15/1992WO1992017933A1 A rotor for a short circuited alternating current motor