Pressure responsive switch

Details Pressure responsive switch Pressure responsive switch

1982-05-27

1984-09-04

Scott, J. R.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

H01H 3534

Patent

active

044699220

ABSTRACT:
A pressure responsive switch having an atmospheric pressure chamber including electrical contacts which are sealed hermetically by a flexible pleated cover whereby the flexible pleated cover deforms in accordance with the expansion and contraction of the atmosphere in the atmospheric pressure chamber. The alteration of the temperature surrounding the atmospheric chamber provides for the expansion and contraction of the atmosphere with the atmospheric pressure chamber and the pleated cover maintains the atmospheric pressure constant within the pressure chamber.

REFERENCES:
patent: 2648732 (1953-08-01), Starbird
patent: 3688064 (1972-08-01), Myers
patent: 3784772 (1974-01-01), Nelson

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