Valve stem assembly for rotary valve and method

Details Valve stem assembly for rotary valve and method Valve stem assembly for rotary valve and method

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 5/10 (2006.01) F16K 11/087 (2006.01) F16K 27/00 (2006.01)

Patent

CA 2759531

A valve body defines a valve stem opening. A valve stem comprises an enlarged portion greater than the valve stem opening to thereby secure the valve stem within the valve body by limiting radially outward movement of the valve stem with respect to the valve body. A rotary member comprise upper and lower bosses. Upper and lower split trunnions, with split components that can be inserted from opposite sides of the valve body, are used to rotationally support the upper and lower bosses to permit rotation of the rotary member while preventing axial movement of the axial flow path of the valve.

La présente invention a trait à un corps de soupape qui définit une ouverture de tige de soupape. Une tige de soupape selon la présente invention comprend une partie agrandie supérieure à l'ouverture de tige de soupape de manière à fixer de la sorte la tige de soupape à l'intérieur du corps de soupape en limitant le mouvement radial vers l'extérieur de la tige de soupape par rapport au corps de soupape. Un élément rotatif comprend des bossages supérieur et inférieur. Des tourillons en deux parties supérieur et inférieur, dotés de composants en deux parties qui peuvent être insérés à partir de côtés opposés du corps de soupape, sont utilisés de manière à supporter de façon rotationnelle les bossages supérieur et inférieur en vue de permettre la rotation de l'élément rotatif tout en empêchant le mouvement axial de la voie de passage axiale de la soupape.

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