公开(公告)号：US20170241643A1

公开(公告)日：2017-08-24

申请号：US15421030

申请日：2017-01-31

Applicant: ROLLS-ROYCE plc

Inventor： Thomas G MULCAIRE ,  Robert A HICKS ,  Marcus FOALE

IPC: F23R3/00 ,  F23R3/06

CPC classification number: F23R3/002 ,  F23R3/007 ,  F23R3/06 ,  F23R3/50 ,  F23R2900/03042 ,  F23R2900/03044

Abstract: A combustion chamber arrangement has an annular outer wall and an annular inner wall having an upstream row of tiles and a downstream row of tiles. The outer wall has a concave bend which is less than 175°. The downstream end of the upstream tiles and the upstream end of the downstream tiles are adjacent the concave bend. The downstream ends of the upstream tiles are spaced at a greater distance from the inner surface of the annular outer wall than the upstream end of the downstream tiles. The upstream tiles have curved lips extending in a downstream direction which overlap but are spaced radially from the upstream ends of the downstream tiles. The outer wall has a row of apertures to direct coolant onto the outer surfaces of the curved lips and the upstream tiles has a row of apertures extending to the inner surfaces of the curved lips.