Dump valve

Details Dump valve Dump valve

1987-06-02

1988-09-20

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

F16K 11044

Patent

active

047718021

ABSTRACT:
A dump valve having a valve body provided with a closure piston plug for alternately closing a compressed gas feed aperture in a valve cover and a dump aperture connected to a user structure, the valve body also having a third aperture communicating with a compressed gas storage tank. Mainly to avoid gripping, the closure piston plug has the form of a hollow cylinder open at one end and slidably engaging a cylindrical guide member forming part of the valve cover and extending axially within the valve body.

REFERENCES:
patent: 3451415 (1969-06-01), Buford
patent: 3491786 (1970-01-01), Crossman
patent: 3747626 (1973-07-01), Valentino
patent: 4041970 (1977-08-01), Peters
patent: 4579138 (1986-04-01), Simoens

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