Blade outer air seal anti-rotation

Details Blade outer air seal anti-rotation Blade outer air seal anti-rotation

F - Mech Eng,Light,Heat,Weapons

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F01D 11/08 (2006.01) F01D 9/00 (2006.01) F01D 25/12 (2006.01) F01D 25/24 (2006.01) F01D 25/28 (2006.01) F02C 7/18 (2006.01) F02C 7/28 (2006.01)

Patent

CA 2712756

A blade outer air seal (BOAS) assembly includes a static turbine shroud formed by BOAS segments and a support ring formed by BOAS support segments. Each BOAS support segment supports one or more BOAS segments. The BOAS assembly further includes an anti-rotation apparatus for restricting relative circumferential movement between the turbine shroud and the support ring. The anti-rotation apparatus includes a stopper provided at least in one of the BOAS support segments and a cast anti-rotation tab integrated with at least one of the BOAS segments supported on that at least one BOAS support segment. The stopper and cast anti-rotation tab circumferentially abut each other.

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