Adjustable check valve

Details Adjustable check valve Adjustable check valve

1978-09-08

1980-08-19

Cline, William R.

Fluid handling

Systems

Multiple inlet with single outlet

137539, 1375395, 137503, 137512, 1375145, 1375147, F16K 1504, F16K 4708

Patent

active

042179319

ABSTRACT:
A smoothly acting adjustable fluid flow check valve comprises an adjustably spring biased ball valve member, a piston upstream of the ball valve member and having a stem acting as an actuator for the ball valve member and as a further valving member actually controlling the volume of fluid passing through the check valve, the piston and ball valve member moving under the influence of a dashpot disposed so as to damp their movement. The valve may be incorporated into a conventional faucet structure.

REFERENCES:
patent: 1138338 (1915-05-01), Whitney
patent: 2470372 (1949-05-01), Roth
patent: 2593522 (1952-04-01), Barnes
patent: 2646066 (1953-07-01), Nemetz
patent: 2969084 (1961-01-01), Raymond
patent: 3234959 (1966-02-01), Feinberg

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