Electromagnetic coupling device

Details Electromagnetic coupling device Electromagnetic coupling device

1982-05-13

1984-05-01

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310103, 310263, 310257, H02K 4902

Patent

active

044463928

ABSTRACT:
An electromagnetic coupling device includes an input member, an output member rotatable relative to the input member, and a pole assembly associated with one of the input and output members. The pole assembly includes a pair of annular, oppositely disposed pole members and an annular core member disposed between the pole members and defining an annular cavity therebetween. An electrically energizable field coil element is disposed in said cavity for electromagnetically coupling said input and output members. The pole members each including a plurality of circumferentially spaced, radially extending pole slot means disposed for communicating the exterior of the pole assembly with the core member to provide substantially uninterrupted access thereto.

REFERENCES:
patent: 3305740 (1967-02-01), Shano
patent: 3671906 (1972-06-01), Hodges et al.
patent: 4114056 (1978-09-01), Nimura

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