Vacuum extract system for a membrane oxygen enricher

Details Vacuum extract system for a membrane oxygen enricher Vacuum extract system for a membrane oxygen enricher

1974-06-04

1976-08-24

Hart, Charles N.

Gas separation

Means within gas stream for conducting concentrate to collector

55269, B01D 1300

Patent

active

039764516

ABSTRACT:
A mobile, personal oxygen enricher includes means for producing a flow of atmospheric air, heating the air to a pre-selected temperature, and directing the air over an array of selectively permeable membrane cells which permit the permeation of oxygen at a greater rate than nitrogen. Vacuum means maintain the cells at a partial vacuum and draw off oxygen enriched gas. The enriched gas passes through a scrubber to remove pollutants and is directed to a patient for inhalation.

REFERENCES:
patent: 3251652 (1966-05-01), Pfefferle
patent: 3307330 (1967-03-01), Niedzielski, et al.
patent: 3455092 (1969-07-01), Llewellyn
patent: 3630001 (1971-12-01), Hamerski
patent: 3638401 (1972-02-01), Kabler
Dyna Science Publication No. 2M671, 1971, p. 2.

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