Gas turbine blade interplatform seal

Details Gas turbine blade interplatform seal Gas turbine blade interplatform seal

F - Mech Eng,Light,Heat,Weapons

02

C

170/73

F02C 7/00 (2006.01) F01D 11/00 (2006.01)

Patent

CA 1209483

- 11 - Abstract Rotor Blade Interplatform Seal A sheet metal seal for sealing the gap between adjacent blade platforms in a rotor assembly fits within a pair of spaced apart slots on the underside of one of the platforms and is trapped in position by a lug disposed between the slots and which passes through a hole in the seal. The seal is attached to the blade prior to its assembly in the disk. A portion of the seal overhangs the edge of the platform to which it is attached and, when the blade is inserted into the disk, the extended portion of the seal over- lies the underside surface of the adjacent blade plat- form. This seal is preliminarily shaped to the con- tour of those portions of the underside surfaces of the platforms against which they are to bear during rotation of the assembly.

463227

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