Mercury wetted contact switch

Details Mercury wetted contact switch Mercury wetted contact switch

1987-08-20

1989-02-14

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Utilizing conductive liquid

335 47, 335 51, H01H 108, H01H 2900

Patent

active

048049328

ABSTRACT:
A glass reed relay has an elongated glass enclosure with an electrode passing through and being sealed to each of the opposite ends of said enclosure. One of the electrodes has an associated reed for making and breaking contact with the other of said electrodes. The other electrode has a hollow tubular structure filled with mercury. The dimensions are such that only a limited amount of mercury can escape therefrom in order to wet the contacts without creating a pool of mercury.

REFERENCES:
patent: 2302546 (1942-11-01), Harrison
patent: 2837612 (1958-06-01), Gustafson et al.
patent: 2914634 (1959-11-01), Koda

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