Magnetically actuated mercury switch

Details Magnetically actuated mercury switch Magnetically actuated mercury switch

1978-06-05

1980-06-17

Braun, Fred L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Utilizing conductive liquid

200209, 200211, 335 49, 335 55, 335208, H01H 2900, H01H 2918

Patent

active

042086434

ABSTRACT:
In a switching device having first and second conductor elements and an operating mechanism shiftable to and from a first position wherein the conductor elements are electrically connected to each other to establish a conductive path therebetween. The device includes a body of mercury, and a mercury wettable porous member between the mercury body and the first conductor element so that the mercury from the body may be forced through the porous body to establish the above-mentioned electrical connection. When the shiftable mechanism is shifted into the first position, the mercury is withdrawn from the first conductor element by the wettable porous member to disconnect the electrical circuit.

REFERENCES:
patent: 965549 (1910-07-01), Young
patent: 2445406 (1948-07-01), Pollard
patent: 2519463 (1950-08-01), Harrison
patent: 2695938 (1954-11-01), Hancock
patent: 2926226 (1960-02-01), Kiel
patent: 3161745 (1964-12-01), Anderson
patent: 3209099 (1965-09-01), Zearfoss

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