Fluid pressure reduction device

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

Patent

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Details

F16K 47/02 (2006.01) F16K 47/08 (2006.01) F16L 55/027 (2006.01)

Patent

CA 2279512

A fluid pressure reduction device with low noise generation. A stack of annular disks (30a, b, c, d) with fluid passageways formed of inlet slots (36), outlet slots (38), and interconnecting plenums (40). Selectively stacking and orienting the annular disks along with an asymmetric slot pattern creates the desired fluid passageways without creating an uninterrupted axial fluid flow path. High recovery inlet stages are in fluid communicating series with low recovery outlet stages and the combination provides a high performance fluid pressure reduction device with low noise generation.

L'invention concerne un dispositif de réduction de pression de fluide à faible bruit. Ce dispositif comporte un empilement de disques annulaires (30a, b, c, d) pourvus de passages de fluide formés de fentes d'admission (36), de fentes de sortie (38), et de chambres de répartition (40) assurant l'interconnexion. La superposition et l'orientation sélectives des disques annulaires conjointement avec une configuration asymétrique des fentes permettent de créer les passages de fluide désirés sans engendrer une trajectoire d'écoulement fluidique axiale ininterrompue. Des étages d'admission à haut rendement sont en série et en communication fluidique avec des étages de sortie à faible rendement, et cette association permet d'obtenir un dispositif de réduction de pression de fluide à hautes performances et à faible bruit.

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