Relay switch apparatus

Details Relay switch apparatus Relay switch apparatus

1986-03-06

1987-05-26

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Utilizing conductive liquid

335 47, H01H 108

Patent

active

046689273

ABSTRACT:
A multi-positional mercury switch (1, 2) for use with miniature relays. The mercury switch apparatus has mercury wettable magnetic contact structures (11, 12, 13, 21, 22) supported in a sealed envelope member (10, 20) supporting the magnetic contact structures with free ends thereof positioned to engage or disengage each other in response to a magnetic field generated by current appearing in a coil (410) externally surrounding the envelope member. A mercury wettable member (3, 15, 23, 24) having a porous construction for holding mercury is mounted on ones of the magnetic contact structures within the sealed envelope member for wetting the magnetic contact structures.

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patent: 4368442 (1983-01-01), Yamaguchi et al.

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