公开(公告)号：US20190316490A1

公开(公告)日：2019-10-17

申请号：US16367375

申请日：2019-03-28

Applicant: ROLLS-ROYCE plc

Inventor： David MASON ,  Vikesh TANK

IPC: F01D25/28

Abstract: A joint configured to be connected to a pipe for providing a conduit through a wall for the contents of the pipe, the joint comprising an inner joint section defining a bore through the joint; an outer joint section, configured to be connected to the wall; and, an intermediate joint section that connects the inner joint section to the outer joint section and has a lower stiffness than the inner joint section and the outer joint section.

公开(公告)号：US20200300119A1

公开(公告)日：2020-09-24

申请号：US16815309

申请日：2020-03-11

Applicant: ROLLS-ROYCE plc

Inventor： David MASON ,  Paul WILSON ,  Ivan POPOVIC

IPC: F01D25/16

Abstract: A gas turbine engine (10) having a bearing support structure (100) comprising: a bearing chamber (104); a first buffer fluid passage (110) disposed radially outwardly of the bearing chamber (104); a second buffer fluid passage (116) disposed radially outwardly of the first buffer fluid passage (110); and a core fluid passage (132) disposed radially outwardly of the second buffer fluid passage (116); the bearing chamber (104), first buffer fluid passage (110), second buffer fluid passage (116) and core fluid passage (132) being separated by respective hub walls.

公开(公告)号：US20200309032A1

公开(公告)日：2020-10-01

申请号：US16822108

申请日：2020-03-18

Applicant: ROLLS-ROYCE plc

Inventor： David MASON ,  Joe B. HOWARD

IPC: F02C7/06 ,  F16C33/66

Abstract: There is disclosed a bearing chamber apparatus for a gas turbine engine comprising: a housing defining a bearing chamber for containing lubricant, the housing comprising an inner wall facing the bearing chamber; and wherein the inner wall comprises an oleophobic surface. A method is also disclosed, comprising: providing a bearing chamber apparatus for a gas turbine engine, the bearing chamber apparatus comprising a housing defining a bearing chamber for containing lubricant, the housing comprising an inner wall facing the bearing chamber, forming an oleophobic surface on the inner wall. A gas turbine engine for an aircraft comprising a bearing chamber apparatus is also disclosed.