US 11,988,157 B2
Gas turbine engine with a fuel management system
Richard G Mochrie, Guildford (GB); Graeme E F Sutcliffe, Derby (GB); and Jade Whittle, Bristol (GB)
Assigned to ROLLS-ROYCE plc, London (GB)
Filed by ROLLS-ROYCE plc, London (GB)
Filed on Feb. 8, 2023, as Appl. No. 18/166,268.
Claims priority of application No. 2202947 (GB), filed on Mar. 3, 2022.
Prior Publication US 2023/0279815 A1, Sep. 7, 2023
Int. Cl. F02C 7/14 (2006.01); F02C 7/22 (2006.01); F02C 7/224 (2006.01); F02C 9/26 (2006.01)
CPC F02C 9/26 (2013.01) [F02C 7/14 (2013.01); F02C 7/22 (2013.01); F02C 7/224 (2013.01); F05D 2220/32 (2013.01); F05D 2240/35 (2013.01); F05D 2260/213 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A gas turbine engine comprising a combustor and a fuel management system, the fuel management system comprising:
a fuel supply line configured to supply fuel to the combustor;
a recirculation line configured to recirculate excess fuel from the fuel supply line to an engine-located fuel tank via a fuel cooling device configured to reject heat from the excess fuel;
a heat exchanger configured to reject heat from a thermal load of the gas turbine engine to fuel in the fuel management system, wherein the heat exchanger is disposed on the recirculation line;
wherein the fuel supply line is configured to receive fuel from an external source and from the engine-located fuel tank; and
a fuel pump on the fuel supply line, wherein the fuel pump is downstream from a mixing point where the excess fuel from the recirculation line flows into the fuel supply line and upstream from a recirculation point where the recirculation line receives the excess fuel from the fuel supply line.