F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/447 (2006.01) F16J 15/40 (2006.01)
Patent
CA 2648039
A seal ring (30) for a rotatable shaft in a turbo machine includes a seal body configured for disposing around the shaft wherein a radial gap is defined between an inner surface (66) of the seal body and the shaft. An upstream surface (90) defined by the seal body extends from the inner surface, and an annular obstruction (102) extends from the upstream surface of the seal body, wherein the obstruction is spaced away from the inner surface.
L'invention concerne une bague de joint pour un arbre rotatif dans une machine turbo comprenant un corps de joint configuré pour être disposé autour de l'arbre, un espace radial étant défini entre une surface interne du corps de joint et l'arbre. Une surface en amont définie par le corps de joint s'étend depuis la surface interne, et une obstruction annulaire s'étend depuis la surface en amont du corps de joint, l'obstruction étant espacée de la surface interne.
Dresser-Rand Company
Gowling Lafleur Henderson Llp
LandOfFree
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