SYSTEM AND METHOD FOR AIRCRAFT CABIN ATMOSPHERIC COMPOSITION CONTROL

Title:

SYSTEM AND METHOD FOR AIRCRAFT CABIN ATMOSPHERIC COMPOSITION CONTROL

Document Type and Number:

WIPO Patent Application WO2004074094

Kind Code:

A3

Abstract:

Method and arrangement for adjusting nitrogen and oxygen concentrations within regions of an aircraft. The method includes separating nitrogen from ambient air onboard an aircraft thereby establishing a high-concentration nitrogen supply and then dispensing high-concentration nitrogen from the supply to a fire-susceptible, non-habitable region (48) of the aircraft where the high-concentration nitrogen is reservoired thereby decreasing the capability for the atmosphere therein to support combustion. Oxygen is also separated from the ambient air thereby establishing a high-concentration oxygen supply that is dispensed to an occupant cabin (50) of the aircraft thereby increasing the level of oxygen concentration within the cabin to a level greater than the naturally occurring concentration of oxygen at the experienced internal cabin pressure. When it is determined that reduced oxygen concentration is required in the occupant cabin, the reservoired high-concentration nitrogen is moved into the passenger cabin diluting the oxygen-elevated environment.

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Inventors:

GEARY ROBERT (US)

Application Number:

PCT/US2004/004582

Publication Date:

June 29, 2006

Filing Date:

February 17, 2004

Export Citation:

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Assignee:

GULFSTREAM AEROSPACE CORP (US)
GEARY ROBERT (US)

International Classes:

B64D11/00; B64D13/06

Foreign References:

US20020162915A1	2002-11-07
US5282870A	1994-02-01

Other References: