Improved flow monitoring apparatus

G - Physics – 01 – F

Patent

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Details

G01F 1/44 (2006.01)

Patent

CA 2359007

A flowmeter is described which has a retrievable housing conduit which is locatable within a conduit or pipe and which seals against the pipe so that fluid only flows through the housing conduit, and a flow restriction is created within the housing conduit to create a Venturi when in use. At least two spaced pressure measuring stations are provided along the housing conduit, one of the stations located at an unrestricted flow location, the other at a restricted flow location, whereby pressures measured at these stations can be used to calculate fluid flow rates. Embodiments of the invention are described.

L'invention concerne un débitmètre possédant un tube formant logement, récupérable, que l'on peut placer dans une conduite ou dans un tuyau, et qui est doté de moyens de scellement contre le tuyau, de façon que le fluide ne s'écoule qu'à travers le tube, une limitation d'écoulement étant créée dans ce tube, afin d'y créer un effet Venturi, lors de l'utilisation de l'appareil. On a monté au moins deux postes de mesure de pression, espacés, le long du tube, l'un de ces postes étant situé au niveau d'un emplacement d'écoulement non limité, l'autre au niveau d'un emplacement d'écoulement limité, et on mesure les pressions au niveau de ces postes, afin de calculer les débits d'écoulement du fluide. L'invention concerne des modes de réalisation de cet appareil.

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