Electromagnetically released coupling

Details Electromagnetically released coupling Electromagnetically released coupling

1983-12-05

1985-01-29

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

192 84PM, 192 84T, 188164, H01F 708

Patent

active

044969228

ABSTRACT:
A magnet assembly is made up by a plurality of magnet modules each having a permanent magnet adapted to attract a rotatable armature into engagement with the pole pieces of the module. Each module also includes an electromagnetic coil having an axis disposed perpendicular to the pole pieces. When energized, the coil produces flux which causes the permanent magnet flux to bypass the armature and enable release of the armature from the pole pieces.

REFERENCES:
patent: 2738449 (1956-03-01), Mason
patent: 2765878 (1956-10-01), Pierce
patent: 2765891 (1956-10-01), Pierce
patent: 2823776 (1958-02-01), Pierce
patent: 2832918 (1958-04-01), Pierce
patent: 2914714 (1959-11-01), Pierce et al.
patent: 2956658 (1960-10-01), Jaeschke
patent: 2962144 (1960-11-01), Heinemann et al.
patent: 3055470 (1962-09-01), Pierce
patent: 3199645 (1965-10-01), Henning
patent: 3263784 (1966-08-01), Pierce
patent: 3842378 (1974-10-01), Pierce

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