公开(公告)号：US11067276B2

公开(公告)日：2021-07-20

申请号：US16355111

申请日：2019-03-15

Applicant: ROLLS-ROYCE plc

Inventor： Paul A Hucker ,  Stephen C Harding ,  Iain Morgan

IPC: F23R3/00 ,  H01T13/08 ,  F23R3/06 ,  F02C7/266 ,  F02C7/264

Abstract: An igniter seal arrangement for a combustion chamber. The combustion chamber has a wall having first surface and second surfaces. A boss projects from the first surface, and has a platform on its remote end. The platform has an inner surface spaced from the first surface of the wall to define a chamber between the first surface of the wall and the inner surface of the platform. The platform has an outer surface facing away from the first surface of the wall and an aperture extends through the wall from the outer surface of the platform of the boss to the second surface. First and second L-shape rails extend from the platform and a sealing member has a first edge and a second edge locatable between the outer surface of the platform and the first and second L-shape rails and the sealing member has an aperture to receive an igniter.

公开(公告)号：US11293640B2

公开(公告)日：2022-04-05

申请号：US16819354

申请日：2020-03-16

Applicant: ROLLS-ROYCE plc

Inventor： Paul A Hucker ,  Iain Morgan ,  Alan P Geary

IPC: F23R3/28 ,  F23R3/00 ,  B33Y80/00

Abstract: The present relates to combustor apparatus for a gas turbine engine comprising a bulkhead (34) an inner support ring (70) and an outer support ring (84) at end upstream end thereof. The bulkhead (34) has an inner surface (40), when in use is provided on an internal surface of a combustor (16) and exposed to combustion products and an outer surface (41) provided on an external surface of the combustor when in use; an inner mating feature to cooperate with the inner support ring (70); and an outer mating feature to cooperate with the outer support ring (84). In use, the inner and outer mating features prevent axial motion of the bulkhead relative to the inner (70) and outer (84) support rings.