Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1986-09-26
1988-03-15
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
4366, 137312, 137430, 137437, 137441, 137444, 138 46, 251121, F16K 3126, F16K 4708
Patent
active
047306394
ABSTRACT:
A two function tank valve according to this invention includes a vertically oriented supply tube or conduit with an upper opening. A valve seat surrounds the opening, and a valve seal is movable against it and away from it. Water level responsive means determines this valve setting so the valve can be opened to fill the tank, and can be closed when the tank is full.
REFERENCES:
patent: 1391860 (1921-09-01), Sherwood
patent: 1525334 (1925-02-01), Stengel
patent: 1787601 (1931-01-01), Swanberg
patent: 2195797 (1940-04-01), Groeniger
patent: 2409890 (1946-10-01), Owens
patent: 2791235 (1957-05-01), Smith
patent: 3516094 (1970-06-01), Reagan
patent: 3618629 (1971-11-01), Heyer et al.
patent: 3729017 (1973-04-01), Brandelli
patent: 3930516 (1976-01-01), Flinner et al.
patent: 4420845 (1983-12-01), Antunez
Mon Donald D.
Walton George L.
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