Non-drip valve

Details Non-drip valve Non-drip valve

1977-08-18

1979-01-16

Schwadron, Martin P.

Fluid handling

Systems

With flow control means for branched passages

1376142, 137877, 137881, 222108, 239124, F16K 2300

Patent

active

041344286

ABSTRACT:
In a non-drip valve for a fluid-flow line having a supply chamber, a discharge chamber and a vacuum chamber connected to the discharge chamber to withdraw fluid therefrom when the forward flow is arrested, pressure-responsive valve means controlling the forward flow from the supply chamber to the discharge chamber, and relief valve means to permit reverse flow bypassing said pressure-responsive valve when it is closed. Preferably a selectively-operable valve is provided to put said pressure-responsive valve in working condition.

REFERENCES:
patent: 2741301 (1956-04-01), Lines
patent: 3886974 (1975-06-01), Bjorklund

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