Measuring and testing – With fluid pressure – Leakage
Patent
1992-11-16
1994-08-09
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
405 54, G01M 320
Patent
active
053355350
ABSTRACT:
A monitorable device for sealing off a body, in particular a garbage dump or a landfill, includes two seals sealing off a body and being mutually spaced-apart defining a control chamber between the seals. The control chamber has connections for an inlet opening and an outlet opening and is otherwise closed. A permeable channel or hose is connected between the inlet opening and the outlet opening in the control chamber for carrying a transport medium. A lance which is used for supplying a tracer gas may be disposed outside the control chamber and may face toward one of the seals. A sensor is connected to the outlet opening for detecting the tracer gas. A method for monitoring a device for sealing off a body includes sealing off a body with two seals being mutually spaced-apart defining a control chamber between the seals being closed except for connections for an inlet opening and an outlet opening. A transport medium is passed through a permeable channel or hose in the control chamber between the inlet opening and the outlet opening. If a tracer gas is admitted through one of the seals, an appearance of the tracer gas at the outlet opening is monitored. A leakage site is determined from the monitoring of the tracer gas.
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patent: 4439062 (1984-03-01), Kingsbury
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Publication: Umwelt & Technik Oct. 1990, pp. 34 and 36.
"Leak Detection and Location System" LEOS, Siemens AgG14 KWU Group, pp. 1-12, Nov. 1988.
"Long-Term Monitoring of Landfills with LEOS" Siemens AG-KWU Group, pp. 1-4, Oct. 1988.
Bode Karl-Heinz
Gunther Klaus
Jax Peter
Ruthrof Klaus
Brock Michael
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Williams Hezron E.
LandOfFree
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