System for monitoring and operating valve manifolds and...

Details System for monitoring and operating valve manifolds and... System for monitoring and operating valve manifolds and...

2006-03-21

2006-03-21

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

C137S487500, C137S557000

Reexamination Certificate

active

07013906

ABSTRACT:
A gas manifold that provides an uninterrupted supply of gas and automatically switches between at least two gas sources. This gas manifold couples to a on-line gas source and a reserve gas source. A pressure transducer at the inlet to the manifold reads the pressure of the gas source. A downstream pressure regulator of each pressure transducer regulates the pressure of gas supplied to a control valve directed by a control circuit. This control circuit monitors the pressure read by the pressure transducers to determine which gas source will be placed on service depending on user preferences, and directs the operation of the control valve to effect those choices.

REFERENCES:
patent: 2402187 (1946-06-01), Siver
patent: 2768640 (1956-10-01), Zimmer et al.
patent: 3643677 (1972-02-01), Begleiter
patent: 5062443 (1991-11-01), Maric
patent: 5868162 (1999-02-01), Dickerson, Jr.

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