F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 5/06 (2006.01)
Patent
CA 2395604
A valve assembly (300) including a valve housing having (301) a fluid passageway (302) extending through it. A valve member (325) is located within the inner chamber portion (307) and is movable between a closed position in which the fluid passageway is blocked, and an open position in which the fluid passageway is not blocked. First and second substantially annular retainer ring assemblies (440, 441) are also located within the inner chamber portion (307), and rotatably position the valve member (325) within the inner chamber portion (308). The first and second retainer ring (440, 441) assemblies provide first and second fluid seals (370, 375) between the valve member (325) and the inner chamber surface (308) at the first and second ends of the inner chamber portion (307) respectively. The first and second retainer ring assemblies (440, 441) each include a floating retainer ring and a plurality of sealing members (370-376). The floating retainer rings (440, 441) are movable relative to the valve member (325), the inner chamber surface (308), and the inlet and outlet walls.
L'invention concerne un ensemble clapet (300) comprenant un logement (301) traversé par un passage (302) pour fluide. Un obturateur (325), disposé dans la partie (307) chambre intérieure, peut passer d'une position de fermeture où le passage pour fluide est bloqué à une position d'ouverture où le passage pour fluide n'est pas bloqué, et vice versa. Un premier et un second ensemble (440, 441) bague de retenue sensiblement annulaires sont également placés dans la partie (307) chambre intérieure, de manière à positionner, de façon rotative, l'obturateur (325) dans la partie (307) chambre intérieure. Le premier et le second ensemble (440, 441) bague de retenue constituent un premier et un second joints (370, 375) d'étanchéité entre l'obturateur (325) et la surface (308) de la chambre intérieure respectivement au niveau de la première et de la seconde extrémité de la partie (307) chambre intérieure. Le premier et le second ensemble (440, 441) bague de retenue comprennent chacun une bague de retenue flottante et une pluralité d'éléments (370-376) d'étanchéité. Les bagues (440, 441) de retenue flottantes sont mobiles par rapport à l'obturateur (325), la surface (308) de la chambre intérieure, et les parois des orifices d'entrée et de sortie.
Gowling Lafleur Henderson Llp
Shafer Terry
LandOfFree
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