US 12,359,624 B2
Gas turbine engine
Edward A. Walters, Derby (GB)
Assigned to Rolls-Royce plc, London (GB)
Filed by Rolls-Royce plc, London (GB)
Filed on Apr. 9, 2024, as Appl. No. 18/630,099.
Claims priority of application No. 2306498 (GB), filed on May 3, 2023.
Prior Publication US 2024/0369020 A1, Nov. 7, 2024
Int. Cl. F02C 7/22 (2006.01); F23R 3/00 (2006.01); F23R 3/28 (2006.01)
CPC F02C 7/222 (2013.01) [F23R 3/002 (2013.01); F23R 3/283 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A gas turbine engine configured to combust gaseous hydrogen fuel, the gas turbine engine comprising:
a combustor comprising an annular combustion chamber outer casing surrounding an inner combustor case and a fuel manifold configured to provide gaseous fuel to a plurality of fuel injectors; wherein
the fuel manifold is formed integrally with the combustion chamber outer casing;
the fuel manifold is provided on a radially inner side of the combustion chamber outer casing; and
the fuel manifold comprises an inner and an outer wall to provide an air gap therebetween, the outer wall being washed by combustor inlet air in use.