Relay switch apparatus

Details Relay switch apparatus Relay switch apparatus

1986-03-06

1987-01-20

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Utilizing conductive liquid

335 55, 335 58, H01H 108, H01H 2900

Patent

active

046382747

ABSTRACT:
A multi-positional mercury switch (1, 2, 3) for use with miniature relays (4). The mercury switch apparatus has mercury wettable magnetic contact structures (11, 12, 211, 212, 221, 222, 311, 312) supported in a sealed envelope member (10, 20, 30) supporting the magnetic contact structures with ends thereof extending from the envelope member for interconnection with terminals of the relay. A mercury holding assembly (13, 14, 23, 24, 33, 34) is slidably located within the sealed envelope member adjacent the magnetic contact structures and is responsive to an external magnetic field generated by electrical signals in a coil (410) surrounding the sealed envelope member for engaging the magnetic contact structures and establishing an electrical conducting path between the magnetic contact structures.

REFERENCES:
patent: 3867603 (1975-02-01), Bitko
patent: 3904999 (1975-09-01), Rich et al.
patent: 3976960 (1976-08-01), Bitko et al.
patent: 4047135 (1977-09-01), Stuckert
patent: 4164720 (1979-08-01), Bollen
patent: 4199739 (1980-04-01), Deith
patent: 4260970 (1981-04-01), Bitko

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