公开(公告)号：US20190056113A1

公开(公告)日：2019-02-21

申请号：US16059474

申请日：2018-08-09

Applicant: General Electric Company

Inventor： Joshua Tyler MOOK ,  Michael Anthony BENJAMIN ,  David Richard BARNHART ,  Sean James HENDERSON ,  Ramon MARTINEZ ,  Neerav Atul PATEL ,  Mark Richard SHAW

IPC: F23R3/28 ,  F02C7/18 ,  F23R3/14 ,  B23P15/00 ,  B23P6/00

Abstract: An aft heat shield for a fuel nozzle tip includes: an annular shield wall; an annular shield flange extending radially outward from an aft end of the shield wall; an annular baffle flange surrounding the conical section, and disposed such that an axial gap is defined between the shield flange and the baffle flange, the baffle flange including a radially outer rim extending axially forward therefrom; and a plurality of impingement cooling holes passing through the baffle flange and oriented to as to direct air flow towards the shield wall.