公开(公告)号：US20170276356A1

公开(公告)日：2017-09-28

申请号：US15454590

申请日：2017-03-09

Applicant: ROLLS-ROYCE plc

Inventor： Thomas G MULCAIRE

IPC: F23R3/00 ,  F23R3/28

Abstract: A combustion chamber assembly comprises an annular combustion chamber casing, a combustion chamber, a fuel injector and a tubular seal. The combustion chamber comprises an upstream end wall having an aperture extending there-through. A fuel injector head of the fuel injector is locatable in the aperture in the end wall and the fuel injector head has an axis. The tubular seal is positioned between the fuel injector head and the aperture in the end wall and the tubular seal has a flange and an aperture extends there-through. The tubular seal is movable radially and circumferentially with respect to the axis of the casing. The fuel injector head is locatable in the tubular seal. The aperture in the upstream end wall has a major radial dimension and a minor circumferential dimension relative to the axis of the casing to allow insertion or removal of a lean burn fuel injector head.

公开(公告)号：US20200025003A1

公开(公告)日：2020-01-23

申请号：US16294298

申请日：2019-03-06

Applicant: ROLLS-ROYCE PLC

Inventor： Thomas G MULCAIRE ,  Prabhu I.S KUMAR ,  Dasthagiri R THUMMALURU

IPC: F01D9/04 ,  F01D9/02

Abstract: A rear outer discharge nozzle for a gas turbine engine, the rear outer discharge nozzle forming a loop around an axis and comprising: a first part; a second part wrapped around the first part; and a radial slit, having first and second side walls; wherein the first part is shaped to provide the first side wall of the radial slit, and the second part is shaped to provide the second side wall of the radial slit; and wherein the second part comprises a break, splitting the second part in the axial part.

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.