F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/27
F16J 9/00 (2006.01) F01D 11/00 (2006.01) F16J 15/34 (2006.01) F16J 15/44 (2006.01)
Patent
CA 1132156
"SEALING ASSEMBLY". ABSTRACT. The invention is concerned with sealing assemblies of the type comprising two members which are movable relative to one another and in which one of the members has a cylindrical surface and the other member contains an annular groove, a sealing ring being located in the annular groove and engaging the cylindrical surface. A problem with such sealing assemblies is that, when they are subjected to substantial pressure differentials, unacceptably high leakage of gas or liquid past the seal can occur. Such leakage is reduced in a sealing assembly in accordance with the invention in that one (22) of the radially extending walls of the sealing ring (20) includes a chamfered portion (24) such that the axial dimension of the radially inner surface of the sealing ring (20) is less than the axial dimension of the radially outer surface of the sealing ring, the annular groove including a complementary shaped wedging surface (26) for co-operation with the chamfered surface (24) of the sealing ring (20).
329310
Fetherstonhaugh & Co.
Holset Engineering Company Limited
LandOfFree
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