Oxygen partial pressure controller for a pressure swing adsorpti

Details Oxygen partial pressure controller for a pressure swing adsorpti Oxygen partial pressure controller for a pressure swing adsorpti

1983-03-10

1986-02-04

Schwadron, Martin P.

Fluid handling

Ambient condition change responsive

Atmospheric

137115, 137118, G05D 2102

Patent

active

045679096

ABSTRACT:
An oxygen partial pressure controller regulates the oxygen partial pressure (PPO.sub.2) of the product gas of a pressure swing adsorption oxygen enriching system by means of a bleed valve which increases gas flow through the adsorptive system thereby decreasing the PPO.sub.2 of the product gas. The controller includes a solenoid valve which permits the bleed valve to function when the adsorption system pressure and PPO.sub.2 is high. An aneroid controls the product gas flow as a function of altitude when the bleed valve is permitted to function.

REFERENCES:
patent: 3002521 (1961-10-01), Greenlees et al.
patent: 3113582 (1963-12-01), Hudson
patent: 3572356 (1971-03-01), Pinto
patent: 3658479 (1972-04-01), Heijne et al.
patent: 3958466 (1976-05-01), Espenschied

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