Molecular sieve-type gas separation systems

Details Molecular sieve-type gas separation systems Molecular sieve-type gas separation systems

1990-03-26

1991-04-02

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55179, 55271, 55389, B01D 5304

Patent

active

050044850

ABSTRACT:
An aircraft on-board oxygen generation system having a controller 14 for cycling sieve beds of amolecular sieve-type gas separation system 10, provides product gas having a partial pressure of oxygen that more closely approaches the ideal value at any cabin altitude within the operating range of the aircraft. The controller stores a look-up table of desired product gas oxygen content at various altitude levels within the operating range and displays desired product gas oxygen content at altitudes sensed by an altitude sensor 17 for comparison with delivered product gas oxygen content sensed by oxygen content sensor 19. The controller provides for a range of selectable cycle time and adjusts the cycle time in the sense required to null the difference between displayed and sensed oxygen content of the product gas.

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patent: 4783205 (1988-11-01), Searle
patent: 4927434 (1990-05-01), Cordes et al.

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