Water release valve

Details Water release valve Water release valve

1997-02-04

1999-08-24

Michalsky, Gerald A.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137341, F16K 4900

Patent

active

059412712

ABSTRACT:
Water release valve for a compressed air system. It has a service connection for attachment to a low point of the compressed air system. The valve has a body which has an internal space, part of which is a cylindrical bore. It also has a pilot connection for attachment of a pilot pressure obtained from the compressed air system, and the valve has an exhaust port for releasing air and water from the system. It has one or more pistons placed in the cylindrical bore. At least one of the pistons has a position determined by the pilot pressure. The piston closest to the service end may be placed in two different positions. In one of the positions, it closes the flowpath from the service connection to the exhaust. In the second position, it opens the flowpath.

REFERENCES:
patent: 891808 (1908-06-01), Adams
patent: 948344 (1910-02-01), Radick
patent: 3262464 (1966-07-01), Frantz
patent: 3575199 (1971-04-01), Beattie
patent: 3580267 (1971-05-01), Baker
patent: 3977426 (1976-08-01), Pyle
patent: 4883995 (1989-11-01), Rink, Jr.
patent: 4928724 (1990-05-01), Margerum
patent: 5205315 (1993-04-01), Margerum

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