Selection device for providing one or the other of two gases to

Details Selection device for providing one or the other of two gases to Selection device for providing one or the other of two gases to

1996-11-19

1999-07-27

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

96110, 96113, 96397, 96417, B01D 5322

Patent

active

059284153

ABSTRACT:
A selection device for delivering one of two gases to an apparatus includes an apparatus having an inlet and an outlet, and a gas delivery line connected to the inlet of the apparatus. A first feed line and a second feed line for respectively feeding a first and a second gas are provided. A first purge line and a second purge line are also provided, the first feed line being connected to the first purge line and the second feed line being connected to the second purge line. A common connection line connects the first and the second feed lines to the gas delivery line. An additional purge line is connected to the outlet of the apparatus. A first element, a second element, and a third element for creating a pressure drop are disposed in the first, the second, and the additional purge lines, respectively, the first element for creating a pressure drop and the third element for creating a pressure drop being flow-regulating elements, the second element for creating a pressure drop being a backpressure regulator. The common gas delivery line is only connected to the common connection line and to the apparatus.

REFERENCES:
patent: Re34434 (1993-11-01), Campbell et al.
patent: 3501899 (1970-03-01), Allen
patent: 3638401 (1972-02-01), Kabler
patent: 3976450 (1976-08-01), Marcote et al.
patent: 4293316 (1981-10-01), Block
patent: 4385910 (1983-05-01), Eilers et al.
patent: 4995889 (1991-02-01), Abel et al.
patent: 5488811 (1996-02-01), Wang et al.
patent: 5496388 (1996-03-01), Tellier

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