Air vent

Details Air vent Air vent

1985-08-22

1987-01-13

Walton, George L.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137430, 137449, 137468, 236 53, F16K 3118, F16K 3300

Patent

active

046356720

ABSTRACT:
There is disclosed a vent for venting air from a system of the type which conducts fluid under pressure. The vent includes a chamber, a ball valve within a top wall of the chamber, and a float within the chamber which is arranged for vertical movement therein. A lever which carries a valve ball element is arranged for pivotal movement against the inner surface of the chamber top wall for disengaging the ball element from the valve when the valve is opened. When the valve is opened, the lever and ball element fall away from the valve. When the vent closes, the float acts upon the lever for guiding the ball element into seating relation with the vent valve.

REFERENCES:
patent: 1856451 (1932-05-01), Armstrong
patent: 1979305 (1934-11-01), Armstrong
patent: 2232583 (1941-02-01), Zies
patent: 2247930 (1941-07-01), Turner
patent: 2251086 (1941-07-01), Van Dyke et al.
patent: 3002522 (1961-10-01), Klinefelter
patent: 3283774 (1966-11-01), Johnson et al.
patent: 3306314 (1967-02-01), Judsen
patent: 3489348 (1970-01-01), Fujiwara
patent: 3586032 (1971-06-01), Weinstein
patent: 3892256 (1975-07-01), Schlesch

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