A method of filtering pump noise

Details A method of filtering pump noise A method of filtering pump noise

E - Fixed Constructions

21

B

E21B 47/18 (2006.01)

Patent

CA 2571190

A method of filtering out pressure noise generated by one or more piston pumps (1), where each pump (1) is connected to a common downstream piping system (18, 20), and where the discharge pressure is measured by a pressure sensitive gauge (26), characterized in that the instantaneous angular position(s) of the pump(s)' (1) crankshaft or actuating cam is/are measured simultaneously with the discharge pressure and used as fundamental variables in an adaptive mathematical noise model.

L'invention concerne un procédé permettant de filtrer le bruit de la pression produit par une ou plusieurs pompes à piston (1) connectées individuellement à un système de tuyauterie aval (18, 20), la pression de décharge étant mesurée au moyen d'un calibre sensible à la pression (26), caractérisé en ce que les positions angulaires instantanées des vilebrequins ou de la came de commande des pompes(1) sont mesurées simultanément avec la pression de décharge et utilisées comme variables fondamentales dans un modèle de bruit mathématique adaptatif.

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