Pressure equalizing system and valve

Details Pressure equalizing system and valve Pressure equalizing system and valve

1991-11-27

1992-11-17

Rivell, John

Fluid handling

Systems

With flow control means for branched passages

251 3001, 25112904, 73299, 62 507, F16K 1114, G01F 2314

Patent

active

051634791

ABSTRACT:
There is provided a closed loop system for measuring an amount of liquid under pressure in a container. The system comprises a container holding a liquid under pressure, a novel differential valve with check valves which are connected to the container and to a differential gauge, and a means for activating the valve.

REFERENCES:
patent: 2068135 (1937-01-01), Howse
patent: 2361440 (1944-10-01), Williamson
patent: 3371534 (1968-03-01), Akeley
patent: 3537479 (1970-11-01), Nelson
patent: 3763891 (1973-10-01), Stiltner
patent: 3863810 (1975-02-01), Hanson
patent: 4020690 (1977-05-01), Samuels et al.
patent: 4066102 (1978-01-01), Tandrup
patent: 4194535 (1980-03-01), Galland et al.
patent: 4472105 (1984-09-01), Takiguchi et al.
patent: 4630478 (1986-12-01), Johnson
patent: 4862734 (1989-09-01), Elderton

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