公开(公告)号：US10907830B2

公开(公告)日：2021-02-02

申请号：US16187022

申请日：2018-11-12

Applicant: ROLLS-ROYCE plc

Inventor： David P. Wilson ,  John E. Rimmer ,  Damian Martin

IPC: F23R3/06 ,  F02C7/18 ,  F23R3/00 ,  F23R3/48

Abstract: A combustion chamber arrangement comprises an annular combustion chamber, a plurality of circumferentially arranged vanes and a radially inner sealing ring. The vanes are arranged at the axially downstream end of the annular combustion chamber. Each of the vanes comprises an aerofoil extending radially between a radially inner platform and a radially outer platform. The radially inner sealing ring forms a seal between a downstream end of a radially inner annular wall structure of the combustion chamber and the radially inner platforms of the vanes. A portion of the axial length of the radially inner sealing ring comprises a radially inner wall and a radially outer wall spaced radially from the radially inner wall to define a chamber. The radially inner wall has apertures to supply coolant into the chamber and the radially outer wall has effusion cooling apertures to supply coolant onto the surface of the radially outer wall.

公开(公告)号：US10704517B2

公开(公告)日：2020-07-07

申请号：US15837446

申请日：2017-12-11

Applicant: ROLLS-ROYCE plc

Inventor： David P. Wilson ,  John E. Rimmer ,  Jochen Rupp ,  Damian Martin ,  Emmanuel V. Aurifeille ,  Kyriakoulis L. Resvanis ,  Michael J. Allitt

IPC: F02M61/14 ,  F23R3/28 ,  F23R3/00 ,  F23R3/50

Abstract: A combustion chamber comprising an upstream end wall, at least one annular wall, at least one fuel injector and at least one seal. The at least one annular wall being secured to the upstream end wall. The upstream end wall having at least one aperture. Each fuel injector being arranged in a corresponding one of the apertures in the upstream end wall and each seal being arranged in a corresponding one of the apertures in the upstream end wall and around the corresponding one of the fuel injectors. Each seal having an inner surface facing the corresponding one of the fuel injectors and an outer surface facing away from the corresponding one of the fuel injectors. Each seal abutting the corresponding one of the fuel injectors. The downstream end of each seal increasing in diameter in a downstream direction and the upstream end of each seal having a radially extending flange. Each seal having a plurality of coolant apertures extending axially through the radially extending flange and/or each seal having a plurality of thermal conductors extending axially from the radially extending flange to the downstream end of the seal.