Valve

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

Patent

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Details

F16K 1/34 (2006.01) F16K 1/08 (2006.01)

Patent

CA 2267358

Disclosed is a valve cage (2) with an inlet (11), an outlet (12) and a transit channel running through the valve from the inlet (11) to the outlet (12). In the transit channel, a valve seat (5) is disposed with a valve-tight surface (5). The valve also comprises a movable sealing member (3) which can enter, at least partly, into the valve cage and seal the transit channel by being flattened against the tight surface (50) of said valve seat while moving about an axis forming an acute angle relative to the plane where the valve seat (5) is located. The tight surface (50) of the valve seat (5) is in the form of a bulge.

La présente invention présente une cage de soupape (2) avec un orifice d'admission (11), un orifice de sortie (12) et un canal de passage qui traverse la soupape depuis l'orifice d'admission (11) à l'orifice de sortie (12). Dans le canal de passage est installé un siège de soupape (5) ayant une surface étanche (50) vis-à-vis de la soupape. La soupape comprend en outre un organe d'obturation (3) qui peut se mouvoir pour entrer, du moins en partie, à l'intérieur du siège de soupape et obturer le canal de passage en venant se plaquer contre la surface étanche (50) du siège de soupape, et ce en suivant un axe de mouvement formant un angle aigu par rapport au plan où se trouve le siège de soupape (5). La surface étanche (50) du siège de soupape (5) est de forme bombée.

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