Device for supplying a pipe with a fluid at a particular pressur

Details Device for supplying a pipe with a fluid at a particular pressur Device for supplying a pipe with a fluid at a particular pressur

1984-04-10

1986-07-01

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

F17C 1304

Patent

active

045974063

ABSTRACT:
An installation for the delivery of a gas of high purity under a constant pressure from either of two vessels each of which is connected to a utilization outlet via a separate supply pipe and a switching system. A switching control system acts on two high-pressure valves, one for each vessel, downstream of which is situated a single pressure regulator which controls the outlet gas pressure. The valves are actuated by an auxiliary low-pressure gas via a pneumatic memory and two detectors measuring the pressure prevailing in the two gas vessels.

REFERENCES:
patent: 2641273 (1953-06-01), Siebens
patent: 2741257 (1956-04-01), Edwards
patent: 2768640 (1956-10-01), Zimmer et al.
patent: 3428072 (1969-02-01), Welch
patent: 3890992 (1975-06-01), Wolz et al.

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