Patent ID: 11862781
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H  B | IPC B  F  H

Claim 8:
9. A method of operating a hydrogen fueled power system, comprising:
flowing a first portion of hydrogen fuel from a liquid hydrogen fuel source to a heat exchanger;
warming the first portion of hydrogen fuel via thermal energy exchange with a relatively warm fluid at the heat exchanger;
generating electrical power via the warmed first portion of hydrogen fuel;
utilizing the generated electrical power to drive a compressor, wherein the compressor compresses an airflow for an environmental control system (ECS) of the vehicle;
directing the warmed first portion of hydrogen fuel through a thermal engine;
injecting a second portion of hydrogen fuel, cooler than the first portion, into the thermal engine;
exhausting gaseous hydrogen from the thermal engine via operation of the thermal engine; and
directing the exhaust gaseous hydrogen to a power generator disposed fluidly downstream of the thermal engine, the power generator utilizing the gaseous hydrogen to generate electrical or mechanical power.