Gas venting valve

Details Gas venting valve Gas venting valve

1983-08-25

1984-12-11

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

Vent opening or closing on tipping container

137 39, 137202, 137331, F16K 1736

Patent

active

044872151

ABSTRACT:
Venting gas flow from a fuel tank or the like enters through tangential inlets into a spin chamber, influencing a closure ball in said chamber to spin or orbit around an upper conical wall portion of the spin chamber. The spinning action keeps the closure ball from seating in an outlet opening formed at the upper end of the spin chamber. The closure ball does seat in response to liquid rising in the spin chamber or tilting of the spin chamber beyond a predetermined angle of tilt. A vibrating mass positioned on the outlet side of the outlet opening includes a central striker portion which contacts the closure ball whenever it tends to seat in response to shock forces or some condition other than the presence of liquid activated buoyancy forces or tilt activated gravity forces.

REFERENCES:
patent: 4325398 (1982-04-01), Green

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