Patents for H02K 1 - Details of the magnetic circuit (44,776)
01/1988
01/07/1988EP0250564A1 Salient pole rotor
01/07/1988EP0250551A1 Dual permanent magnet generator
01/07/1988DE3622231A1 Permanent-magnet rotor for electrical machines
01/06/1988CN86108650A Rotor, specially adapted for clocks stepping motor or watches stepping motor
01/05/1988US4716648 Methods of securing a stator in an electrical machine
12/1987
12/22/1987US4714852 Permanent-magnet field synchronous motor
12/22/1987US4714851 Single-phase synchronous motor comprising a two-pole permanent-magnet rotor
12/22/1987US4713877 Method of forming permanent magnets within a motor yoke
12/17/1987WO1987007784A1 Magnetically enhanced variable reluctance motor systems
12/16/1987EP0248946A1 Cored armature for an inner rotor motor
12/16/1987EP0248912A1 Rotor for built-in motor
12/16/1987EP0248798A1 Synchronous electric motor with magnetized rotor and method for fabricating said motor.
12/16/1987CN86209621U Water-cooled protruding pole synchronous motor interpole supporter
12/15/1987US4713570 Magnetically enhanced variable reluctance motor systems
12/15/1987US4713569 Low cogging motor
12/15/1987US4712292 Method of assembling a stationary assembly for a dynamoelectric machine
12/09/1987EP0248665A2 Rare earth-iron magnet and method of making same
12/08/1987US4712035 Salient pole core and salient pole electronically commutated motor
12/08/1987US4712027 Radial pole linear reluctance motor
12/05/1987CN86209504U Gas-gap-free motor filled with magnetic oil between stator and rotator
12/05/1987CN86207143U Hand permanent-magnet generator with asymmetric and unhomogeneous gap
12/02/1987EP0247301A2 Asymmetrical shaded pole motor
12/01/1987US4710667 Brushless D.C. dynamoelectric machine with decreased magnitude of pulsations of air gap flux
12/01/1987US4710664 Space block control means for dynamoelectric machine
12/01/1987US4710663 Dynamoelectric machine coil slot wedge mounting arrangement
12/01/1987US4710659 Resin molded rotor for a magneto generator
11/1987
11/24/1987US4709180 Toothless stator construction for electrical machines
11/24/1987US4707910 Method of assembling electric motors
11/17/1987US4707630 Magnetic cover member for magnetic poles of DC motor
11/12/1987DE3615230A1 Method for producing armatures for electric motors, and armatures produced in accordance with this method
11/10/1987CA1229118A1 Generator armature cooling and air gap sealing system
11/03/1987US4704555 Improved disc rotor assembly
10/1987
10/29/1987DE3612724A1 Magnetic rotor for a crystal clock mechanism, and an injection-moulding die for its production
10/28/1987EP0243187A2 Electric generator for use in a turbocharger and turbocharger including said generator
10/28/1987CN86206176U Copper-economizing motor magnetic-pole
10/27/1987US4703210 Miniature electric non-uniform magnetization rotating machine
10/27/1987US4703209 Electric motor, especially collectorless d.c. motor, with an outside rotor
10/21/1987CN87102678A 电动机 Electric motor
10/20/1987US4701654 Rotor structure of magneto generator
10/20/1987US4701653 Disk drive with internal brake and static discharge
10/15/1987DE3612112A1 Bracing for the teeth of the stator of a turbogenerator
10/14/1987EP0240945A2 Induction motor
10/14/1987EP0240670A2 Brake motor
10/14/1987EP0240644A1 Dynamo-electric machine, in particular an alternator for a motor vehicle
10/14/1987EP0240514A1 Permanent magnet rotor assembly with fibrous wrap
10/14/1987CN87102626A 感应电动机 Induction motor
10/14/1987CN87102564A Three-phase induction motor
10/13/1987US4700251 Head carriage moving mechanism of disk recording reproducing device
10/13/1987US4700096 High speed synchronous machine having a rotor provided with magnets arranged for orthoradial magnetic induction
10/13/1987US4700091 Bipolar stepping motor rotor with drive pinion and method of manufacture
10/07/1987EP0239988A2 Three-phase induction motor
10/07/1987EP0153330B1 High speed rotor and method of refurbishment
10/06/1987US4698539 Dynamoelectric machines
09/1987
09/30/1987EP0238934A2 Stepping motor and frame plate assembly for a wristwatch movement
09/30/1987CN87101622A Armature for electric rotary machine and method of manufacturing same
09/29/1987US4697114 Permanent-magnet rotor shrink-fit assembly
09/24/1987WO1987005753A1 Rotor for polyphase permanent magnet machines
09/23/1987EP0238249A2 An electric motor
09/23/1987EP0237848A2 Radial pole linear reluctance motor
09/22/1987US4695754 Permanent magnet rotor for an electrical machine
09/22/1987US4695419 Embedding pole teeth in a nonmagnetic resin
09/17/1987DE3704157A1 Device for reducing the noise of electrical machines
09/16/1987EP0236690A2 Electrical rotating machine
09/10/1987DE3607452A1 Stator for an electric motor
09/09/1987EP0236116A1 Motor rotor
09/09/1987EP0235597A2 Armature for an electric rotary machine and method of manufacturing the same
09/08/1987US4692646 Rotating electric motor with reduced cogging torque
09/08/1987US4692645 Rotating electric motor with reduced cogging torque
09/01/1987US4691132 Synchronous motor with two-pole permanent-magnet soft-magnetic-core rotor
09/01/1987US4691131 Stator laminate impregnation in a liquid-cooled motor
09/01/1987US4689973 Laundry machine drive
08/1987
08/27/1987WO1987005164A1 Permanent field rotor and method of producing the same
08/27/1987DE3705515A1 Extrusion bullet for a laminated stator core
08/26/1987EP0233451A2 Strip steel electric machine with an electric circuit and a magnetic circuit mixed as a whole
08/25/1987US4689512 Electric motor
08/25/1987US4688413 Apparatus for continuously forming edgewise wound salient pole cores
08/19/1987EP0232834A1 Multipole direct current motor
08/19/1987CN86203973U Dc "motor-cartwheel"
08/18/1987US4687960 Method and apparatus to reduce operating noise of dynamo electric machines, particularly vehicular three-phase alternators
08/18/1987US4687945 Low power generator
08/13/1987DE3704226A1 Stator blades of single-phase asynchronous motors
08/12/1987CN87100198A Miniature motor
08/05/1987CN86106942A Motor using conned motor-driven compressor
08/04/1987US4684837 Electric submersible motor with dual snap ring clamp
08/04/1987CA1225114A1 Interpole assembly for a dc machine
07/1987
07/28/1987US4683393 Reinforced rotor assembly and method of making same
07/22/1987EP0229178A1 Generator rotor cooling
07/22/1987EP0157815B1 Alternating current synchronous servomotor
07/21/1987US4682069 Key joint apparatus for assembly of electrical motors
07/21/1987US4682066 Alignment system for permanent magnet motors
07/21/1987US4682065 Molded plastic motor housing with integral stator mounting and shaft journalling projection
07/15/1987EP0228872A1 Permanent magnet rotor
07/15/1987CN86106806A Sub-slot cover for dynamoelectric machine
07/14/1987US4679313 Method of making a servo motor with high energy product magnets
07/14/1987CA1224236A1 Rotor of ac dynamoelectric machine with improved cooling and stability
07/14/1987CA1224235A1 Brushless d.c. dynamoelectric machine having ferrite material magnetic circuit
07/07/1987US4678954 Rotor with permanent magnets having thermal expansion gaps
07/07/1987US4677744 Apparatus for assembling a rotatable assembly
07/02/1987WO1987004022A1 Dual permanent magnet generator
07/02/1987WO1987004021A1 Salient pole rotor