Gas cylinder dispensing valve

Details Gas cylinder dispensing valve Gas cylinder dispensing valve

2007-07-03

2007-07-03

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S614110, C137S614190, C137S556000

Reexamination Certificate

active

11504952

ABSTRACT:
A gas cylinder dispensing valve having an internal flow path provided with a pressure regulator. An isolation valve is provided within the flow path between the pressure regulator and a gas inlet of the valve and a flow control valve is provided within the flow path between the pressure regulator and a gas outlet to discharge the gas. Both isolation valve and the flow control valve can be manipulated by a single control knob which when set in an off position closes the isolation valve. The control knob can be rotated from the off position to select discrete, calibrated flow rates or an auxiliary position in which gas may be dispensed at a regulated pressure from an auxiliary outlet port.

REFERENCES:
patent: 4655246 (1987-04-01), Phlipot et al.
patent: 5566713 (1996-10-01), Lhomer et al.
patent: 5996625 (1999-12-01), Collado et al.
patent: 6782918 (2004-08-01), Rousselin
patent: 7007714 (2006-03-01), Carroll

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