Control valve with vortex chambers

F - Mech Eng,Light,Heat,Weapons – 16 – K

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F16K 47/08 (2006.01) F15C 1/16 (2006.01) F15D 1/00 (2006.01)

Patent

CA 2526737

A fluid flow control valve, especially for severe service, e.g. gas and oil power application, comprises a plurality of vortex chambers (9) through each of which fluid flows in substantially vortex fashion between an inlet channel (8) and a pair of opposed outlets (10, 11). Fluid enters each vortex chamber (9) from its associated inlet channel (8) in a substantially tangential direction wherein it splits into two flowpaths, each having both radial and axial components, leading to respective ones of the outlets (10, 11). The dual vortex outlet arrangement serves to further reduce the noise and erosion problems associated with severe service valves.

L'invention concerne une vanne de régulation de flux de fluides, conçue notamment pour les utilisations intensives, comprenant une pluralité de chambres de turbulence (9) à travers chacune desquelles un fluide circule de manière sensiblement turbulente entre un canal d'entrée (8) et une paire de sorties opposées (10, 11). Un fluide pénètre chaque chambre de turbulence (9) depuis son canal d'entrée associé (8) dans un sens sensiblement tangentiel pour se diviser en deux trajets de flux, chaque trajet présentant des composants radiaux et axiaux, jusqu'aux sorties respectives (10, 11). Le double arrangement de sortie de turbulence permet de réduire aussi les problèmes de bruit et d'usure liés aux vannes à utilisation intensive.

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