Patent ID: 11898495
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A fuel system comprising:
a hydrogen fuel tank for holding a hydrogen fuel;
an exhaust assembly including a tail cone, wherein the exhaust assembly is configured to mount to a gas turbine engine;
a heat exchanger coupled to or integrated into the tail cone of the exhaust assembly, at least a portion of the heat exchanger positioned radially within the tail cone, the heat exchanger extending axially downstream from an aft end of the tail cone, the heat exchanger defining a first axial flow path in flow communication with the hydrogen fuel tank, a second axial flow path in flow communication with a combustion section for the gas turbine engine, and a radial flow path in flow communication with the first axial flow path and the second axial flow path, wherein the heat exchanger comprises an inner wall and an outer wall circumferentially surrounding the inner wall, wherein the inner wall defines the first axial flow path, and wherein the inner wall and the outer wall together define the second axial flow path, and wherein the first axial flow path extends in a first axial direction, and the second axial flow path extends in a second axial direction opposite the first axial direction.