Valve

Details Valve Valve

B - Operations, Transporting

67

D

B67D 1/12 (2006.01) F16K 3/34 (2006.01)

Patent

CA 2313688

A settable control valve (13, 50, 113) has a closure member moveable within a passageway (17, 71, 81A, 101, 117), there being at least one groove for fluid flow (25, 26, 44, 56, 57, 97, 98, 107, 108, 125, 126) in the wall of the passageway. The groove is of varying transverse cross-sectional area along its length and the closure member may be set at different positions so as to expose varying lengths of the groove to fluid flow, hence enabling different fluid flow rates to be established.

La présente invention concerne une vanne de commande réglable (13, 50, 113) dans laquelle un élément de fermeture se déplace à l'intérieur d'un passage (17, 71, 81A, 101, 117), la paroi du passage comprenant au moins une rainure de passage de fluide (25, 26, 44, 56, 57, 97, 98, 107, 108, 125, 126). La section de la rainure varie sur sa longueur et l'élément de fermeture peut être réglé sur différentes positions de façon qu'il expose différentes longueurs de rainure à l'écoulement de fluide et qu'il établit, ce faisant, différents débits de fluide.

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