Method for detection of a fluid leak related to a piston...

G - Physics – 01 – M

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G01M 3/26 (2006.01) F04B 51/00 (2006.01)

Patent

CA 2697016

A method for detection of a fluid leak related to at least one piston machine (1), where the method includes: -- attaching a pressure sensor (18, 24) to at least a pressure side of the at least one piston machine (1); - measuring the pressure on the pressure side of the at least one piston machine (1); - attaching a transmitter (28) to the at least one piston ma-chine (1), said transmitter (28) rendering a signal for cal-culating the rotational speed of the at least one piston ma-chine (1); - calculating the speed of the at least one piston machine (1); - calculating the sum of nominal flow rates from all piston machines(1); - calculating a flow rate compensation factor; - calculating a normalized pressure (42) to be equal to the discharge pressure multiplied by the said compensation factor for the flow rate; and - monitoring the normalized pressure (42) to detect a leak-age.

L'invention concerne un procédé de détection d'une fuite de fluide associée à au moins une machine à piston (1). Le procédé englobe les opérations suivantes : fixation d'un capteur de pression (18, 24) sur au moins un côté pression de la ou des machines à piston (1);la mesure de la pression sur le côté pression de la ou des machines à piston (1); fixation d'un émetteur (28) à la ou aux machines à piston (1), ledit émetteur (28) émettant un signal pour le calcul du régime de la ou des machines à piston (1);calcul de la vitesse de la ou des machines à piston (1); calcul de la somme des débits nominaux de toutes les machines à piston (1);calcul d'un facteur de compensation de débit; calcul d'une pression normalisée (42) devant être égale à la pression de décharge multipliée par ledit facteur de compensation pour le débit; et contrôle de la pression normalisée (42) pour la détection d'une fuite.

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