Measuring and testing – With fluid pressure – Leakage
Patent
1996-09-18
1998-04-14
Dombroske, George M.
Measuring and testing
With fluid pressure
Leakage
73 491, G01N 308
Patent
active
057394202
ABSTRACT:
This invention is directed toward the detection fluid infiltration into an underground pipe system, and more particularly is directed toward the qualitative and quantitative detection of liquid leaks into, and out of, underground sewer systems. The invention is particularly suited for detecting the infiltration of ground water into sewer systems such that the leaks can be precisely located as a precursor to time and cost efficient repairs. Fluid properties are measured with a probe at station locations which are preferably manholes. Any leaks in the system are first determined to a geographic location spanning two adjacent manholes. The locations of the leaks are further define to a very high geographic resolution by floating the probe from the upstream manhole toward the downstream manhole while continuously recording fluid property measurements at the surface of the earth. Results are preferably presented in the form of a survey map.
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Dombroske George M.
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