F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 1/226 (2006.01) F16K 1/42 (2006.01)
Patent
CA 2729206
Butterfly valves comprise a valve seat comprising a generally S-shaped cross-section and a valve seat retainer configured with appropriately shaped cooperating surfaces. Fluid control systems comprising such a butterfly valve are also disclosed.
L'invention concerne une vanne papillon comportant un siège de vanne ayant une section transversale généralement en forme de S et un dispositif de retenue de siège de vanne configuré avec des surfaces coopérantes de forme appropriée. L'invention concerne également des systèmes de régulation de fluide comportant une telle vanne papillon.
Nelson Michael P.
Winkel Laren J.
Flowserve Management Company
Smart & Biggar
LandOfFree
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