Safety device and method

Details Safety device and method Safety device and method

1990-06-15

1991-03-19

Cohan, Alan

Fluid handling

Processes

Involving pressure control

137489, 137492, G05D 1600, F16K 1702

Patent

active

050002147

ABSTRACT:
The safety device of this invention is made up of a source pressure regulator, an inspirator and a pressure sensing pilot connected to a gas venting means. All of these components are in gas flow connection with each other. The pressure sensing pilot has a valve that will open upon overpressurization of the gas transport system containing these components. Upon this overpressurization the inspirator will cause a vacuum to be formed which will open or activate the gas venting means and permit the excess gas to be vented to the atmosphere.

REFERENCES:
patent: 2707970 (1955-05-01), Hughes
patent: 2969805 (1961-01-01), Hunter
patent: 3075544 (1963-01-01), Heideman
patent: 3477456 (1969-11-01), Powell
patent: 3669143 (1972-06-01), Reese
patent: 4253484 (1981-03-01), Danon
patent: 4367767 (1983-01-01), Hurd

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