Motor controlling switch device

Details Motor controlling switch device Motor controlling switch device

1984-07-03

1985-11-05

Shoop, Jr., William M.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

200 12, 200339, 335 15, 335 18, 335145, 335155, 335268, 337134, 337140, 361187, 361210, 318280, H02P 122, H01H 7118, H01H 8322

Patent

active

045516600

ABSTRACT:
A switch device for controlling an electric motor which is used, for example, in a power window or sunroof of an automobile. The switch device includes a magnetically attractive piece, an electromagnet, sets of electrical switch contacts, and a spring coil of an alloy which, when heated to a predetermined temperature after being compressed, is restored to a released position.

REFERENCES:
patent: 1701357 (1929-02-01), Butler
patent: 2050879 (1936-08-01), Erben
patent: 2777915 (1957-01-01), Hussey
patent: 3652969 (1972-03-01), Willson et al.
patent: 3968380 (1976-07-01), Jost et al.
patent: 4275370 (1981-06-01), Sims

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