Leak detection and isolation for segmented inflatable...

Details Leak detection and isolation for segmented inflatable... Leak detection and isolation for segmented inflatable...

2005-09-14

2009-10-13

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

C137S557000, C137S843000, C137S859000

Reexamination Certificate

active

07600525

ABSTRACT:
Space vehicles such as space stations are often constructed as segmented inflatable structures which are susceptible to being punctured by small meteoric materials, resulting in small insidious leaks which are difficult to locate and repair. A method and apparatus are described in which a differential pressure transducer is positioned between segments of the space vehicle. Atmospheric gas pressure of all segments is continuously monitored. Analysis is performed on any pressure differentials which are determined to exist between adjacent segments. Detection of small leaks initiates an automatic isolation of the leaking segment. Detection of catastrophic leaks initiates an emergency evacuation of personnel from the affected segment.

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Zak, Anatoly “Cosmonaut's Flight Plan: Find the Leak on Mir” posted Mar. 31, 2000; http://www.space.com/missionlaunches/launches/mir—flight—plan—000331.html.
Zak, Anatoly; “Mir Leaking Air” posted Oct. 14, 1999; http://www.space.com
ews/spacestation/mir—leak—991014.html.

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