Life support systems for aircraft

Details Life support systems for aircraft Life support systems for aircraft

2006-06-06

2006-06-06

Swiatek, Robert P. (Department: 3643)

Aeronautics and astronautics

Aircraft structure

Passenger or crew accommodation

C128S205110, C128S204180

Reexamination Certificate

active

07055780

ABSTRACT:
A life-support system for an aircraft B includes a first oxygen supply apparatus A operable to provide a limited supply of first product gas being one of pure oxygen and oxygen enriched gas, to a breathing gas supply apparatus12, 13, 14, and a second oxygen supply apparatus B operable to supply a durable supply of second product gas which is an oxygen enriched gas containing a lower concentration of oxygen than that in the first product gas, to the breathing gas supply apparatus12, 13, 14, wherein the second product gas is supplied as the pressure which is higher than that at which the first product gas is supplied to the breathing gas supply apparatus12, 13, 14.

REFERENCES:
patent: 2934293 (1960-04-01), Boehme et al.
patent: 4651728 (1987-03-01), Gupta et al.
patent: 5809999 (1998-09-01), Lang
patent: 6244540 (2001-06-01), Stabile et al.
patent: 0827907 (1998-03-01), None
patent: WO 02/04076 (2002-01-01), None

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