Fluid control valve

Fluid handling – With means for separating solid material from the fluid – Hollow strainer – fluid inlet and outlet perpendicular to...

Reexamination Certificate

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Details

C137S545000, C137S547000

Reexamination Certificate

active

07069947

ABSTRACT:
A fluid control valve includes a valve body, an annular groove portion formed in an outer periphery of the valve body, a filter provided in the groove portion. The filter includes a plate with a plural of perforations and formed into a cylindrical shape. The filter further includes a snap ring formed from a thin bar bent into a loop. Both ends of the snap ring extending in an axial direction and freely contacting with opposed side surfaces defining the groove portion.

REFERENCES:
patent: 3006371 (1961-10-01), Giles
patent: 4832077 (1989-05-01), Pilolla
patent: RE33135 (1989-12-01), Wanner et al.
patent: 5062454 (1991-11-01), Ichihashi et al.
patent: 6637457 (2003-10-01), Evanovich et al.
patent: 6648014 (2003-11-01), Takahashi et al.
patent: 6848404 (2005-02-01), Maeyama et al.
patent: 06336978 (1993-07-01), None

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