Stator vane assembly and associated methods

Details Stator vane assembly and associated methods Stator vane assembly and associated methods

F - Mech Eng,Light,Heat,Weapons

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170/80

F01D 9/02 (2006.01) F01D 9/04 (2006.01) F02C 7/05 (2006.01) F02K 3/06 (2006.01)

Patent

CA 1186236

IMPROVED STATOR VANE ASSEMBLY AND ASSOCIATED METHODS ABSTRACT An annular inlet stator vane assembly positioned upstream of the bypass and core flow passages of a turbofan jet engine is provided with energy-absorbing bendable vanes which are fix- edly secured to an outer support shroud assembly and extended through slots in an inner shroud assembly. The inner ends of the vanes are releasably secured to the inner shroud by specially designed deformable retention clips which are welded to the inner vane ends and shroud. These features of the vane assembly cooperate to limit the circumferential extent of inlet vane damage caused by engine-ingested objects, and to help prevent damaged vane assembly structure from being drawn through the core passage of the engine or blocking such core passage. - 36 -

411238

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