Automatic liquid shut-off valve

Details Automatic liquid shut-off valve Automatic liquid shut-off valve

1984-10-29

1985-08-20

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137192, 137202, 137411, F16K 3122

Patent

active

045357994

ABSTRACT:
A valve for incorporation in a gas line through which liquid entrained gas passes, positions a valve seat across the line and arranges a sump adjacent to and upstream of the valve seat. A spherical valve element of a specific gravity less than the entrained liquid in the gas stream is positioned in the sump on a second valve seat therein communicating with a liquid outlet. Entrained liquid in the gas stream collects in the sump, floats the spherical valve element upwardly where the gas flow moves it horizontally into the valve seat in the gas line thus closing the gas line and opening the liquid drain.

REFERENCES:
patent: 368173 (1888-07-01), White
patent: 2388481 (1945-11-01), Green
patent: 2671527 (1954-03-01), Moon
patent: 2867231 (1959-01-01), Gerstmann
patent: 3590850 (1971-07-01), Grise
patent: 3828806 (1974-08-01), Glos

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