Fluid filter with filter bypass valve and sealing surface on...

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

2005-12-13

2005-12-13

Savage, Matthew O. (Department: 1723)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

C210S430000, C210S440000, C210S441000, C210S454000, C210S457000, C210S497010, C029S428000

Reissue Patent

active

RE038917

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.

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patent: 3295680 (1967-01-01), Wilber
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patent: 4906365 (1990-03-01), Baumann et al.
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patent: 3904701 (1990-08-01), None
patent: 4214500 (1993-11-01), None
patent: 4310234 (1994-08-01), None
patent: 0254776 (1991-03-01), None
patent: 526736 (1940-09-01), None

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