Regulator flow measurement apparatus

Details Regulator flow measurement apparatus Regulator flow measurement apparatus

G - Physics

05

D

G05D 16/06 (2006.01) G01F 1/36 (2006.01) G01F 1/40 (2006.01) G01F 1/42 (2006.01) G05D 16/20 (2006.01)

Patent

CA 2378100

Apparatus for determining fluid flow through a pressure regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element (32) moveable in the flow passage. A stem (30) is attached to the throttling element. The apparatus includes a first pressure sensor (34) for measuring pressure upstream of the throttling element, a second pressure sensor (35) for measuring pressure downstream of the throttling element, and a travel sensor (44) for detecting the position of the throttling element. A processor is provided which includes a stored algorithm for determining flow rate based on the measured pressure and travel values.

L'invention concerne un appareil servant à déterminer un débit de liquide dans un régulateur de pression. Le régulateur de pression est disposé dans un circuit du flux et comporte un élément d'étranglement (32) pouvant être déplacé dans le circuit du flux. Une tige (30) est fixée à l'élément d'étranglement. L'appareil inclut un premier capteur de pression (34) pour mesurer la pressure en amont de l'élément d'étranglement, un second capteur de pression (35) pour mesurer la pressure en aval de l'élément d'étranglement, et un capteur mobile (44) pour détecter la position de l'élément d'étranglement. L'appareil est équipé d'un processeur qui inclut un algorithme stocké permettant de déterminer le débit sur la base de la pression mesurée et des valeurs de la course.

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