Self-venting valve arrangement

Details Self-venting valve arrangement Self-venting valve arrangement

1995-06-01

1997-03-04

Savage, Matthew O.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137588, 251100, 251322, 251323, 210248, 210313, 210418, 210436, F16K 2400

Patent

active

056069898

ABSTRACT:
A self-venting valve having its principal parts molded of nylon reinforced with glass fibers is mounted in the bottom of a fuel filter assembly to drain water and other contaminants from the assembly. The self-venting valve includes a plunger portion with a bore therethrough for draining water from the fuel filter assembly and a valve body member which receives the plunger. The valve body member has a vent hole therein which communicates with the interior of the housing to let air into the housing so that as the water drains from the housing a partial vacuum is not created which might interrupt the flow of water. The plunger is biased to the valve closed position by a coil spring, however the valve may be held in the open position by misaligning lugs on the plunger with slots in the valve body member.

REFERENCES:
patent: 807243 (1905-12-01), Chapin
patent: 2506722 (1950-05-01), Kuehn et al.
patent: 3005475 (1961-10-01), Beall, Jr.
patent: 3768659 (1973-10-01), Miller
patent: 4142677 (1979-03-01), Ludwig
patent: 4440193 (1984-04-01), Matheson
patent: 4515690 (1985-05-01), Yasuhara
patent: 4570677 (1986-02-01), Roxton et al.
patent: 4724074 (1988-02-01), Schaupp
patent: 4855041 (1989-08-01), Church et al.
patent: 5433410 (1995-07-01), Foltz

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