On-board fuel inerting system

Details On-board fuel inerting system On-board fuel inerting system

2005-06-14

2005-06-14

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

C220S088300

Reexamination Certificate

active

06904930

ABSTRACT:
An inerting system is provided which is adaptable to inert the fuel tank of a vehicle, such as an aircraft. The fuel inerting system includes an oxygen detector, a source of an inert gas, a detector and a fiberoptic probe. The oxygen detector monitors oxygen partial pressure of vapors in an ullage volume of a tank. The source of an inert gas, such as a liquid nitrogen dewar, pressure swing absorption or hollow fiber membrane technology, is in valved communication with the ullage. The detector senses oxygen content in the ullage and controls the flow of inert gas to the ullage to maintain a volume with a proportion of oxygen that will not support combustion. The specific fiberoptic probe enables monitoring oxygen content within the tank without introducing a source of electrical current.

REFERENCES:
patent: 6634598 (2003-10-01), Susko
patent: 6843269 (2005-01-01), Verma et al.

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