Gas mixing apparatus

Details Gas mixing apparatus Gas mixing apparatus

1989-04-25

1991-02-05

Rivell, John

Fluid handling

Systems

Dividing into parallel flow paths with recombining

137341, 137606, F17D 104, F16K 4900

Patent

active

049896377

ABSTRACT:
In a gas mixing apparatus for the generation of a continuous stream of a gas mixture a carrier gas line is in communication with a collector to which a carrier gas supply line and component gas supply lines are connected of which each includes a mass flow regulator and a three-way valve with an output in communication with the collector and a first inlet connected to the respective mass flow regulator and a second input in communication with the carrier gas supply line. The second inputs to the three-way valves are always open so that carrier gas is always permitted to flow through the valves for rapid response to flow changes through the valves first inlet.

REFERENCES:
patent: 3653399 (1972-04-01), Steele
patent: 3670768 (1972-06-01), Griswold
patent: 4008736 (1977-02-01), Wittmann-Liebold et al.
patent: 4168724 (1979-09-01), Graffunder et al.
patent: 4257439 (1981-03-01), Mayeaux
patent: 4488570 (1984-12-01), Jiskoot
patent: 4498496 (1985-02-01), Barcellona et al.
patent: 4558845 (1985-12-01), Hunkapiller
patent: 4705669 (1987-11-01), Tsuji et al.
patent: 4741354 (1988-05-01), DeMild, Jr.

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