Oxygen removal system

Details Oxygen removal system Oxygen removal system

2006-10-17

2010-06-15

Swiatek, Rob (Department: 3643)

Receptacles

Container attachment or adjunct

Fire prevention

C244S13500B, C261SDIG020

Reexamination Certificate

active

07735670

ABSTRACT:
A system and process to deplete or remove oxygen in the ullage of a fuel tank to reduce the oxygen/fuel vapor ratio below a lower explosion limit by exposing the ullage compounds to an oxygen removal catalyst active at a relatively low temperature. The oxygen removal catalyst may be a non-precious metal catalyst. A selective reaction of the oxygen by the catalyst forms primarily alcohols, aldehydes, and/or ketones and produces less than about 5% water by volume. The selective reaction, occurring at the relatively low temperature, reduces the risk of flammability of the fuel.

REFERENCES:
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patent: 6585192 (2003-07-01), Beers
patent: 6843269 (2005-01-01), Verma et al.
patent: 2002/0028168 (2002-03-01), Giacobbe et al.
patent: 2008/0199376 (2008-08-01), Limaye et al.
Limaye, Santosh Y., Next Generation OBIGGS: Developments at Phyre Technologies, Nov. 2, 2005 presentation, Atlantic City, NJ.

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