公开(公告)号：US20210207808A1

公开(公告)日：2021-07-08

申请号：US16737040

申请日：2020-01-08

Applicant: General Electric Company

Inventor： Ranjeet Kumar Mishra ,  Jayanth Sekar ,  Pradeep Naik ,  Gregory A. Boardman ,  Randall C. Boehm

IPC: F23R3/16

Abstract: A premixer for a combustor includes: a centerbody having a hollow interior cavity; a swirler assembly radially outward of the centerbody; a peripheral wall disposed radially outward of the centerbody and the swirler assembly such that a mixing duct is defined between the peripheral wall and the centerbody, downstream from the swirler assembly; an annular splitter radially inward of the swirler assembly and radially outward of the centerbody such that a radial gap is defined between the splitter and an outer surface of the centerbody, wherein the splitter includes a trailing edge which extends axially aft of the swirler assembly; a fuel gallery disposed inside the interior cavity of the centerbody; and at least one fuel injector extending outward from the fuel gallery and passing through an injector port communicating with the outer surface of the splitter.