Automatic drain valve

Details Automatic drain valve Automatic drain valve

1991-10-17

1992-06-16

Walton, George L.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137415, 137430, 137450, F16T 120, F16K 3134, F16K 3300

Patent

active

051217678

ABSTRACT:
A drain valve including a housing engaged on a base, compressed air may flow into the housing via an inlet of the base, a casing disposed in the upper portion of the housing, a piston slidably engaged in the casing, a rod extended downward from the piston into an outlet of the base for blocking the outlet, a puncture formed in the upper portion of the casing, a plug disposed for blocking the aperture and can be opened by a float. The condensate is accumulated within the lower portion of the housing. Most of the parts are disposed within the upper portion of the housing.

REFERENCES:
patent: 2726732 (1955-12-01), Faust et al.
patent: 2856949 (1958-10-01), Branson
patent: 3275020 (1966-09-01), Fujiwara
patent: 3418789 (1968-12-01), Hoffman et al.
patent: 3635238 (1972-01-01), Hankison et al.
patent: 3993090 (1976-11-01), Hankison
patent: 4082107 (1978-04-01), Hoffman et al.
patent: 4275755 (1981-06-01), Foller et al.
patent: 4574829 (1986-03-01), Cummings et al.
patent: 4779640 (1988-10-01), Cummings et al.
patent: 5004004 (1991-04-01), Cummings

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