System and method for monitoring the performance of an inert...

Fluid handling – Processes – With control of flow by a condition or characteristic of a...

Reexamination Certificate

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Details

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.

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