INTERFACE DE JOINT D'AIR DOTÉE DE CARACTÉRISTIQUES D'ENGAGEMENT AVANT ET DE COMMANDE DE JEU ACTIF POUR MOTEUR À TURBINE À GAZ

摘要

An interface assembly for a gas turbine engine (10) has a full-hoop vane ring (54) around the engine axis (A), the full-hoop vane ring (54) comprising an aft vane rail (140) with a vane ring contact surface (142), the aft vane rail (140) engaged with the anti-rotation case slot (132) at a vane ring anti-rotation tab (144); and a multiple of BOAS segments (72) around the engine axis (A), each of the multiple of BOAS segments (72) comprising a BOAS forward engagement feature (120) and a BOAS contact surface (150), the BOAS forward engagement feature (120) engaged with the outer case (52), the BOAS contact surface (150) abutting the vane ring contact surface (142).