Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Reexamination Certificate
2006-03-21
2006-03-21
Lee, Kevin (Department: 3753)
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
C137S209000, C137S551000, C073S023200, C220S088300
Reexamination Certificate
active
07013905
ABSTRACT:
The gas monitoring system may include a gas line, an oxygen sensor, a filter, a pump, a indicator, and a controller. The gas line is configured to convey gas from a space configured to receive inert gas to a location remote from the space. The oxygen sensor is fluidly coupled to the gas line at the location. The oxygen sensor is configured to determine a partial pressure of oxygen present in the gas. The filter is fluidly coupled to the gas line between the space and the location. The filter is configured to remove combustible contaminants from the gas before it reaches the oxygen sensor. The controller is electrically coupled to the oxygen sensor and to the indicator. The controller is configured to activate the indicator when the partial pressure of oxygen exceeds a predetermined level.
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Shin-Juh Chen and Joe A., Silver, “Detection of Explosive Mixtures in the Ullage of Aircraft Fuel Tanks”, 42nd AIAA Aerospace Sciences Meeting and Exhibit, Jan. 5-8, 2004.
Greenawalt Brian P.
Jones Philip E.
O'Hara Michael J.
Lee Kevin
Shaw Aero Devices Inc.
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