Fail safe device

Details Fail safe device Fail safe device

1974-08-12

1976-02-03

Adee, John

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210132, 210356, B01D 2936

Patent

active

039363791

ABSTRACT:
A housing having a chamber has an inlet and an outlet for directing therethrough a fluid under pressure to an associated fluid pressure responsive apparatus; a filter situated generally in the path of flow of such fluid becomes effective after it experiences a degree of clogging by dirt to open an additional outlet as to thereby enable such fluid under pressure to be directed to the fluid pressure responsive apparatus through such additional outlet.

REFERENCES:
patent: 1781874 (1930-11-01), Hopkins
patent: 2192438 (1940-03-01), Gulick
patent: 2597217 (1952-05-01), Zenick
patent: 2647767 (1953-08-01), Anderson
patent: 3468420 (1969-09-01), Rosaen
patent: 3485369 (1969-12-01), Voorheis
patent: 3830368 (1974-08-01), Rogers

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