Fluid filter with filter bypass valve and sealing surface on fil

Details Fluid filter with filter bypass valve and sealing surface on fil Fluid filter with filter bypass valve and sealing surface on fil

1996-03-15

1998-06-23

Savage, Matthew O.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210440, 210441, 210457, B01D 35147

Patent

active

057700540

ABSTRACT:
In a fluid filter with a housing and a filter element replaceably located in said housing, and with a filter by pads valve having a valve body held in the housing that is movable against the action of a spring from the closed position in which it cooperates with a sealing surface, into an open position in which it permits a fluid flow to bypass the filter element. The invention proposes that the sealing surface associated with the valve body be formed by the replaceable filter element.

REFERENCES:
patent: 2533266 (1950-12-01), Kovacs et al.
patent: 3333703 (1967-08-01), Scavuzzo et al.
patent: 3807561 (1974-04-01), Cullis
patent: 5066391 (1991-11-01), Faria
patent: 5374355 (1994-12-01), Habiger et al.
patent: 5538626 (1996-07-01), Baumann

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