G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 3/28 (2006.01)
Patent
CA 2179187
An apparatus for detection of leaks in pressurized pipelines which utilizes a large pressure vessel (610) and a small measurement vessel (612). The measurement vessel (612) magnifies level changes during leak detection tests. The apparatus is connected to a pipeline through the measurement vessel (612). The entire system can be filled with liquid from the pipeline by opening a valve (V2) between the measurement (612) end pressure (610) vessels. leak detection tests are conducted by measuring changes in volume with the measurement vessel (612) over time while the pressure over the liquid in the pressure vessel (610) and measurement vessel (612) is maintained approximately constant. During tests, liquid communication between the measurement vessel (612) and pressure vessel (610) is prevented by closing the valve (V2) between them but vapor communication between the vessels is permitted.
L'invention se rapporte à un appareil de détection de fuites dans des conduites sous pression, comprenant une grande cuve sous pression (610) et une petite cuve de mesure (612). La cuve de mesure (612) amplifie les variations de niveau lors des tests de détection de fuites. L'appareil est raccordé à une conduite par l'intermédiaire de la cuve de mesure (612). On peut remplir tout le système de liquide à partir de la conduite en ouvrant un robinet (V2) situé entre la cuve de mesure (612) et la cuve sous pression (610). On effectue les tests de détection de fuites en mesurant les variations de volume à l'aide de la cuve de mesure (612) sur une période donnée alors qu'on maintient approximativement constante la pression exercée sur le liquide dans la cuve sous pression (610) et la cuve de mesure (612). Lors des tests, on empêche le liquide de passer entre la cuve de mesure (612) et la cuve sous pression (610) en fermant le robinet (V2), mais on laisse la vapeur passer entre les cuves.
Maresca Joseph W. Jr.
Starr James W.
Wilson Christopher
Wise Richard F.
Gowling Lafleur Henderson Llp
Vista Research Inc.
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