G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 3/26 (2006.01) G01M 3/02 (2006.01)
Patent
CA 2482417
A method of and device for detecting a leak in reciprocating machinery (1), comprising at least two pistons (2, 2'), by the volume flow at least out of the reciprocating machinery (1) being monitored and analysed, e.g. by means of Fourier analysis, in order to make it possible to detect a flow component, where the flow component has a frequency that differs from the fundamental frequency of the reciprocating machinery, the fundamental frequency of thereciprocating machinery being constituted by the rotational frequency of the reciprocating machinery multiplied by the number of pistons (2, 2') in the reciprocating machinery.
L'invention concerne un procédé et un dispositif destinés à détecter une fuite dans une machine alternative (1), comprenant au moins deux pistons (2, 2'), par le débit volume sortant de la machine alternative (1) étant régulés et analysés, par exemple au moyen d'une analyse de Fourrier, en vue de rendre possible la détection d'un composant de débit, ce composant de débit ayant une fréquence différente de la fréquence fondamentale de la machine alternative. La fréquence fondamentale est égale à la fréquence rotationnelle de la machine alternative multipliée par le nombre de pistons (2, 2') contenus dans la machine alternative.
National Oilwell Norway As
Ridout & Maybee Llp
LandOfFree
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