Method and apparatus for testing a fluid conduit system for leaks
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United States of America Patent
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-
Sep 12, 2000
Grant Date -
N/A
app pub date -
May 12, 1998
filing date -
Oct 19, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for testing a fluid conduit system for leaks. The apparatus is connected to an isolated section of a domestic fuel gas system which is suspected of leaking. The apparatus determines over recorded time periods the pressure drop in the system as a result of the actual gas leak and subsequently the pressure drop in the system as a result of an actual leak plus the leakage through an introduced artificial and calibrated orifice provided by the apparatus. The data is used in an equation for calculating the actual leakage rate from the system. This method avoids the need to repressurize the system between pressure drop measurements or having to know or assume the volume of the system being tested.
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