G - Physics – 01 – N
Patent
G - Physics
01
N
349/37
G01N 29/00 (2006.01) F17D 5/06 (2006.01) G01M 3/24 (2006.01) G01M 3/28 (2006.01)
Patent
CA 1153100
Abstract of the Disclosure Disclosed is a leak location detecting apparatus for a pressurized pipeline, which comprises two measuring channels including each a transducer intended for con- version of mechanical oscillation into electric signals and having its output connected to an amplifier. The amplifier outputs are electrically coupled with an indicator, and each channel further includes a limiter having one input connected to the output of the amplifier, a limiting level control unit whose output is connected to another input of the limiter, and a pulse shaper having its input connected to the output of the limiter. The leak location detecting apparatus further includes a pulse coincidence circuit having its one input connected to the output of the pulse shaper of one channel, while its other input is connected through a variable delay unit to the output of the pulse shaper of the other channel, and a pulse coincidence counter whose input is connected to the output of the pulse coincidence circuit while its output is connected to the input of the indicator. The present invention enables the presence and location of leaks to be quickly and precisely determined.
347395
Balygin Valentin V.
Bogdanov Oleg A.
Kublanovsky Lev B.
Muraviev Gennady A.
Proektny Institut "kommunalproekt"
Swabey Ogilvy Renault
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