G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 16/06 (2006.01)
Patent
CA 2683022
A fluid regulating device comprises a valve body carrying a valve port that defines an elongated orifice that converges from an inlet portion to an outlet portion. The converging orifice minimizes the effects of boundary layer separation and advantageously maximizes the flow capacity of the valve port. The elongated orifice can be defined by a one-piece body, which is threaded into the valve body, or by a cartridge slidably disposed in a housing, which is threaded into the valve body. The fluid regulating device further comprises a diaphragm-based actuator including a control element movably disposed within the valve body for controlling the flow of fluid therethrough.
L'invention concerne un dispositif de régulation de fluide qui comprend un corps de soupape comportant un orifice de soupape qui définit un orifice allongé qui converge d'une partie d'entrée à une partie de sortie. L'orifice de convergence minimise les effets de la séparation de couche limite et maximise de manière avantageuse la capacité d'écoulement de l'orifice de soupape. L'orifice allongé peut être défini par un corps en une seule pièce, qui est filetée dans le corps de soupape, ou par une cartouche disposée de manière coulissante dans un logement, qui est filetée dans le corps de soupape. Le dispositif de régulation de fluide comprend en outre un actionneur à base d'un diaphragme comprenant un élément de régulation disposé de manière mobile à l'intérieur du corps de soupape pour réguler l'écoulement de fluide au travers.
Fisher Controls International Llc
Ridout & Maybee Llp
LandOfFree
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