Oxygen enriched air generation system

Details Oxygen enriched air generation system Oxygen enriched air generation system

1995-08-22

1997-03-18

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

96 8, 96 10, 55218, 55269, B01D 5322

Patent

active

056118457

ABSTRACT:
A system for generating oxygen enriched air includes a compressed air supply for supplying compressed air and a permeable membrane gas separation system for separating a nitrogen gas component and an oxygen enriched air component from the compressed air. An oxygen analyzer is provided to detect an oxygen concentration in the oxygen enriched air component. The nitrogen gas component is divided, by a vortex tube, into a cold gas stream and a hot gas stream, and solenoid valves are actuated to modify a flow path of the compressed air through the cold gas stream and the hot gas stream in order to selectively heat and cool the compressed air. The oxygen enriched air is then selectively distributed for further use.

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