F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 1/22 (2006.01) F16K 1/226 (2006.01)
Patent
CA 2675600
A butterfly valve comprising a valve body having a passage, a valve shaft assembly, a plate, and a tube is provided. The valve shaft assembly comprises first and second shaft portions in opposing spaced relation, an intermediate portion therebetween, and a support plate secured to the valve shaft assembly. The first and second shaft portions rotatably couple the valve shaft assembly to the valve body. The intermediate member forms a chamber in fluidic communication with the passage. The support plate is disposed within the chamber at a closed valve position approximately perpendicular to a direction of fluid flow through the passage. The plate is secured to the support plate and has an inner portion and a flange radially outward of the inner portion. The flange is directed away from the support plate.
La présente invention concerne une vanne papillon comportant un corps de vanne comprenant un passage, un ensemble de tige de vanne, une plaque, et un tube. L'ensemble de tige de vanne comporte des première et seconde parties de tige espacées en une relation opposée, une partie intermédiaire interposée entre elles, et une plaque de support solidaire de l'ensemble de tige de vanne. Les première et seconde parties de tige assurent le couplage en rotation de l'ensemble de tige de vanne au corps de vanne. L'élément intermédiaire forme une enceinte en communication fluidique avec le passage. La plaque de support est disposée à l'intérieur de l'enceinte à une position fermée de vanne plus ou moins perpendiculaire à neu direction de la circulation de fluide à travers le passage. La plaque est solidaire de la plaque de support et comprend une partie interne et une bride radialement à l'extérieur de la partie interne. La bride est orientée en éloignement de la plaque de support.
Borden Ladner Gervais Llp
Woodward Inc.
Woodward Governor Company
LandOfFree
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