Apparatus to increase fluid flow in a valve

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

Patent

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F16K 47/08 (2006.01)

Patent

CA 2693172

Apparatus to increase the fluid flow in a valve are disclosed. An example apparatus includes a valve body (106) having a fluid passageway, a valve cage (122) located in the passageway and including a wall having an outer surface and an inner surface defining a cage bore (124) with an axis. The wall has at least one flow zone comprising a plurality of through openings (136), each through opening extending between the inner and outer surfaces to define an opening axis extending through the wall. The opening axis is disposed at a non- orthogonal angle with respect to a reference plane disposed orthogonal to the axis of the cage bore. A valve plug (140) is axially slidable in the cage bore.

L'invention concerne un appareil pour augmenter l'écoulement de fluide dans une soupape. Un appareil en exemple comprend un corps de soupape ayant un passage de fluide, une cage de soupape située dans le passage, et comprenant une paroi ayant une surface extérieure et une surface intérieure définissant un alésage de cage avec un axe. La paroi a au moins une zone d'écoulement comprenant une pluralité d'ouvertures traversantes, chaque ouverture traversante s'étendant entre les surfaces intérieure et extérieure pour définir un axe d'ouverture s'étendant à travers la paroi. L'axe d'ouverture est disposé sur un angle non orthogonal par rapport à un plan de référence disposé orthogonalement à l'axe de l'alésage de cage. Un obturateur de soupape peut coulisser axialement dans l'alésage de cage.

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