NEA distribution system for OBIGGS applications

Details NEA distribution system for OBIGGS applications NEA distribution system for OBIGGS applications

2009-09-21

2011-12-13

Dinh, Tien (Department: 3644)

Aeronautics and astronautics

Aircraft structure

Fuel supply

C137S209000, C137S571000, C137S589000

Reexamination Certificate

active

08074932

ABSTRACT:
A method for creating ullage in a fuel tank includes the steps of porting NEA into a mixing chamber during descent, exposing the mixing chamber to ambient air and communicating a mixture of NEA and ambient air into the fuel tank. A complementary apparatus to the method includes a mixing chamber for receiving NEA during descent, a port for communicating ambient air with the mixing chamber during descent and a port for communicating a mixture of the NEA and the ambient to the fuel tank.

REFERENCES:
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patent: 5572031 (1996-11-01), Cooper et al.
patent: 6547188 (2003-04-01), Schmutz et al.
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patent: 6739359 (2004-05-01), Jones et al.
patent: 7509968 (2009-03-01), Surawski
patent: 2008/0017248 (2008-01-01), Massey et al.

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