Fluid filter with restrictive filter media for pressure relief

Details Fluid filter with restrictive filter media for pressure relief Fluid filter with restrictive filter media for pressure relief

2006-10-17

2009-11-10

Cecil, Terry K (Department: 1797)

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Fluid pressure responsive

C210S094000, C210S132000

Reexamination Certificate

active

07615146

ABSTRACT:
A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent housing having a fluid inlet for communicating a fluid into the housing and a fluid outlet for communicating fluid downstream of the housing. A filter element is disposed within the housing between the fluid inlet and the fluid outlet for filtering the fluid. The relief valve can also be in the form of a more restrictive filter media42.

REFERENCES:
patent: 3224583 (1965-12-01), Rosaen
patent: 5766449 (1998-06-01), Davis
patent: 341349 (1989-11-01), None

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