Life support system

Details Life support system Life support system

2005-01-25

2005-01-25

Spitzer, Robert H. (Department: 1724)

Gas separation: processes

With control responsive to sensed condition

Concentration sensed

C095S019000, C095S096000, C095S130000, C096S111000, C096S113000, C096S130000, C096S144000

Reexamination Certificate

active

06846347

ABSTRACT:
A method of operating a life support system for an aircraft, the system including a plurality of oxygen supply apparatus, each of which in use is operable to supply product gas, which may be pure oxygen or oxygen enriched gas, to a breathing gas supply apparatus, at least one of the oxygen supply apparatus being a main oxygen supply apparatus and the remainder of the oxygen supply apparatus being auxiliary oxygen supply apparatus, the main oxygen supply apparatus being operable independently of the auxiliary oxygen supply apparatus, characterized in that the method includes operating the main oxygen supply apparatus and supplying product gas to each of the auxiliary oxygen supply apparatus.

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