Valve assembly

Details Valve assembly Valve assembly

1982-09-20

1984-07-31

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137389, 137390, 137442, 137449, 13761421, 141213, 141216, F16K 1736, F16K 3118

Patent

active

044624174

ABSTRACT:
A valve assembly, mountable on a propane or LPG cylinder, has a gate valve to regulate flow. An auxiliary valve element is movable in response to the liquid level within the tank, and to pressure differentials in the outflow direction. The auxiliary valve interrupts flow through the valve to prevent an overfill condition, or if the valve's outlet communicates with atmospheric pressure, or if the cylinder is knocked over.

REFERENCES:
patent: 1623374 (1927-04-01), Anderson
patent: 2200697 (1940-05-01), Lindley
patent: 2246388 (1941-06-01), Sica
patent: 2385489 (1945-09-01), Benz
patent: 2767551 (1956-10-01), Clute
patent: 2767552 (1956-10-01), Clute
patent: 3850189 (1974-11-01), Follett
patent: 4064907 (1977-12-01), Billington

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