F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/383 (2006.01) F16K 31/34 (2006.01)
Patent
CA 2220290
A valve device comprising a first fluid port (101), a second fluid port (121), a valve seat (119) defining an aperture through which fluid may flow from said first port to said second port, a valve member (107), moveable relative to said valve seat between a seated position and a lifted position. A control chamber (103) is formed at least in part by said valve member, having a first passageway (102) communicating between said control chamber and said first port, and a second passageway (106) communicating between said control chamber and said second port. A control valve (117, 112) is associated with at least one of said passageways to permit fluid flow therethrough, and to thereby urge said valve member into either said seated or lifted position. A restrictor or flow control element (104) is also provided.
L'invention décrit une soupape composée d'un premier orifice (101), d'un deuxième orifice (121), d'un siège de soupape (119) doté d'une ouverture permettant le passage du fluide du premier orifice au deuxième, d'un élément de soupape (107) capable de se déplacer par rapport audit siège de soupape d'une position de siège à une position levée. Une chambre de commande (103), formée au moins en partie par cet élément de soupape, est équipée d'un premier passage (102) qui assure la communication entre la chambre de commande et le premier orifice et d'un deuxième passage (106) qui assure la communication entre la chambre de commande (117, 112) est associée à au moins l'un des passages susmentionnés en vue de permettre l'écoulement des fluides dans ces passages et, ce faisant, d'inciter l'élément de la soupape à se placer soit en position de siège, soit en position levée. Le système comprend également un réducteur ou régulateur d'écoulement (104).
E.s.h. Consulting Engineers Pty Limited
E.s.h. Consulting Engineers Pty. Limited
Marks & Clerk
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