Pressure switch with conductive housing

Details Pressure switch with conductive housing Pressure switch with conductive housing

1980-12-10

1982-08-03

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200246, 200284, H01H 3534

Patent

active

043428886

ABSTRACT:
A switch responsive to changes in fluid pressure includes a conductive body member with a passage therethrough and flexible diaphragm sealingly mounted thereon. One surface of the diaphragm is in contact with the fluid and the other surface has a deformable protrusion which bears against a resilient contact member causing it to break contact with the body member when fluid attains a sufficient pressure. The contact member has a spade terminal which is mounted through a cap fixed to the end of the passage. Only five parts are utilized. An alternative normally open switch is disclosed.

REFERENCES:
patent: 3049603 (1962-08-01), Flatt
patent: 3302269 (1967-02-01), Cooper et al.
patent: 3538275 (1970-11-01), Greene
patent: 3555220 (1971-01-01), Wood
patent: 3581034 (1971-05-01), Schupp et al.
patent: 4145588 (1979-03-01), Orcutt

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