INTERFACE DE JOINT D'AIR COMPORTANT DES FONCTIONS D'ENGAGEMENT ARRIÈRE ET UN RÉGLAGE DE JEU ACTIF POUR UN MOTEUR À TURBINE À GAZ

摘要

An interface for a gas turbine engine (10). The interface includes a full-hoop vane ring (54) around the engine axis (A), the full-hoop vane ring (54) comprises a forward vane rail (146) with a vane ring forward contact surface (148) and a vane ring anti-rotation tab (144), the vane ring anti-rotation tab (144) engaged with the anti-rotation case slot (132); and a multiple of BOAS segments (72) around the engine axis (A), each of the multiple of BOAS segments (72) comprise a BOAS aft engagement feature (122) and a BOAS aft contact surface (160), the BOAS aft engagement feature (122) engaged with the outer case (52) and the anti-rotation case slot (132), the BOAS aft contact surface (160) abuts the vane ring forward contact surface (148).