Magnetic coupling with hysteresis, particularly for...

Details Magnetic coupling with hysteresis, particularly for... Magnetic coupling with hysteresis, particularly for...

2011-03-22

2011-03-22

Le, Dang D (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156750, C310S156830

Reexamination Certificate

active

07911102

ABSTRACT:
A magnetic coupler with hysteresis (1) has an inductor subassembly (2) and an armature subassembly (6) that are capable of rotating one with respect to the other. The inductor subassembly has a plurality of magnetic poles and the armature subassembly (6) has one or more armature permanent magnets with hysteresis (11, 12). The invention is notable in that the or each armature magnet is produced in the form of a ring of one piece in magnetic material with vertical hysteresis and has through-slots for attenuating radial currents each running in the direction of the circumferential spread of the ring. Application to limiting heating and reducing axial bulk.

REFERENCES:
patent: 2885126 (1959-05-01), William
patent: 6129193 (2000-10-01), Link
patent: 1026815 (2000-08-01), None
patent: 1602519 (1970-12-01), None
patent: 57-10211 (1982-01-01), None
Patent Abstract, JP-57-10211, Jan. 19, 1982.

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