Vent valve

Details Vent valve Vent valve

1975-05-07

1976-10-05

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

Vent opening or closing on tipping container

137587, 220374, F16K 1736

Patent

active

039838919

ABSTRACT:
This invention relates to a vent valve having an elongated housing. The housing has an inlet port positioned below an outlet port when the housing is in an upright position. A passage connects the inlet and outlet parts. The passage construction provides free passage of gaseous fluid but restricts momentary liquid flow or splash when the housing is in an upright position. A ball valve in the passage restricts liquid flow when the housing is tilted more than 90.degree. from its upright position.

REFERENCES:
patent: 1190654 (1916-07-01), Kammerhoff
patent: 1859479 (1932-05-01), Thwaits
patent: 2376123 (1945-05-01), Cohen

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