System for controlling liquid flow

Details System for controlling liquid flow System for controlling liquid flow

1984-07-10

1986-05-20

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Direct response valves

1372695, 13761418, 137855, F16K 1518

Patent

active

045894418

ABSTRACT:
A system for controlling the flow of liquid between a reservoir and a liquid source. Passageways are provided between the reservoir and the source for the flow of liquid therebetween. Selectively operable valves, including automatic check valves, are disclosed in various forms of the invention for actuation between a first position for filling the reservoir with liquid from the source and a second position for emptying liquid from the reservoir to the source. The automatic valves prevent the flow of liquid from the reservoir to the source when in the first, filling position and allow the flow of liquid from the reservoir to the source when in the second, emptying position.

REFERENCES:
patent: 2570937 (1951-10-01), Gash
patent: 3011468 (1961-12-01), O'Gara
patent: 3474818 (1969-10-01), Hartman
patent: 3565099 (1971-02-01), Huber
patent: 3628565 (1971-12-01), McWethy
patent: 4304259 (1981-12-01), Brunner
patent: 4529003 (1985-07-01), Iannuzzelli

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