F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 1/46 (2006.01) F04B 53/10 (2006.01) F16K 1/42 (2006.01) F16K 1/48 (2006.01)
Patent
CA 2535474
Apparatus and methods for constructing a valve assembly comprising an anti-friction ring. The anti-friction ring allows a closure member in the valve assembly to more freely rotate during operation of the valve assembly. Consequently, the closure member strikes a sealing member in different rotational positions during repetitive cycling of the valve assembly.
La présente invention concerne un appareil et des méthodes de fabrication d'une soupape munie d'un anneau anti-friction. L'anneau anti-friction permet à l'élément de fermeture de la soupape de tourner plus librement pendant la manoeuvre de la soupape. Ainsi, l'élément de fermeture frappe un élément d'étanchéité dans différentes positions de rotation pendant le fonctionnement répété de la soupape.
Deeth Williams Wall Llp
National Oilwell Varco L.p.
National-Oilwell L.p.
LandOfFree
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