Abradable rim seal for low pressure turbine engine

Details Abradable rim seal for low pressure turbine engine Abradable rim seal for low pressure turbine engine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/12 (2006.01) F02C 7/28 (2006.01)

Patent

CA 2639026

An abradable rim seal arrangement for a turbine stage of a gas turbine engine, which includes an abradable rim seal attached to a leading edge of an annular inner duct of a turbine exhaust case, causing a trailing edge platform of each rotor blade to overlap the abradable rim seal, and allowing rubbing with the trailing edge platform during engine operation.

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