Shock sensor switch having a liquid conductor

Details Shock sensor switch having a liquid conductor Shock sensor switch having a liquid conductor

1994-01-03

1994-10-25

Luebke, Renee S.

Electricity: circuit makers and breakers

Liquid contact

Tiltable or rotatable

200 6147, 200229, 200235, H01H 3514

Patent

active

053591623

ABSTRACT:
A shock sensor comprises a housing defining an interior space. The space includes a cylindrical side surface and an end surface, the surfaces being formed of an electrically conductive material. An insert is positioned in the space and includes an electrically conductive support surface which defines a recess facing the conductive end surface. A volume of mercury is contained in the recess. The support surface is wetted to the liquid, and the end and side surfaces are not wetted to the liquid, so that the liquid moves into electrical contact with the end surface and/or side surface in response to shocks and is thereafter restored.

REFERENCES:
patent: 2311808 (1943-02-01), Bacon
patent: 2320683 (1943-06-01), Trautman
patent: 2551520 (1951-05-01), Woodcock et al.
patent: 4099040 (1978-07-01), Bitko
patent: 4555697 (1985-11-01), Thackrey
patent: 4572934 (1986-02-01), Johnston
patent: 4683355 (1987-07-01), Bitko

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