US 12,467,630 B2
Fuel injection assembly having a boss with a serpentine cooling passage
Homayoon Feiz, Greenville, SC (US); Michael John Hughes, State College, PA (US); and Jonathan Dwight Berry, Simpsonville, SC (US)
Assigned to GE Vernova Infrastructure Technology LLC, Greenville, SC (US)
Filed by GE Infrastructure Technology LLC, Greenville, SC (US)
Filed on Jul. 7, 2023, as Appl. No. 18/348,749.
Prior Publication US 2025/0012444 A1, Jan. 9, 2025
Int. Cl. F23R 3/28 (2006.01); F02C 7/22 (2006.01); F23R 3/34 (2006.01)
CPC F23R 3/28 (2013.01) [F02C 7/22 (2013.01); F23R 3/286 (2013.01); F23R 3/346 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A fuel injection assembly for a combustor of a gas turbine, the fuel injection assembly comprising:
a fuel injector configured to couple to an outer sleeve of the combustor; and
a boss configured to couple to a combustion liner of the combustor, the boss comprising a flange portion extending to an annular edge, an annular wall portion extending from the flange portion, and an interior surface, the boss defining a serpentine cooling passage extending from an inlet on the flange portion to an outlet on the interior surface, the serpentine cooling passage including an inlet portion and an outlet portion, wherein the inlet portion diverges away from the outlet portion as the inlet portion extends from the inlet towards the annular edge, and wherein the outlet portion converges towards the inlet portion as the outlet portion extends away from the annular edge towards the outlet.