Filtering flow in a valve

Details Filtering flow in a valve Filtering flow in a valve

1995-04-18

1996-12-10

Chambers, A. Michael

Fluid handling

With means for separating solid material from the fluid

Plural separating elements

137546, 137549, 210498, B01D 2907

Patent

active

055822053

ABSTRACT:
A unitary cup-shaped grid member having a grid of holes in the closed end is inserted in the inlet of a valve and a cup-shaped fine-mesh primary filter screen inserted therein and snap-locked in place. In the event the screen clogs and is removed by the user, the grid provides some back-up or auxiliary course filtering to protect the valve in service after removal of the primary filter screen.

REFERENCES:
patent: 801093 (1905-10-01), Koehler
patent: 1626721 (1927-05-01), Cohn
patent: 1898816 (1933-02-01), Crossen
patent: 2936780 (1960-05-01), Pratt
patent: 4021354 (1977-05-01), Lyon

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