CPC F02C 7/224 (2013.01) [F02C 3/22 (2013.01); F05D 2220/323 (2013.01); F05D 2240/36 (2013.01); F05D 2260/20 (2013.01)] | 20 Claims |
1. A fuel system for a vehicle having a gas turbine engine, the fuel system comprising:
a fuel tank for holding a hydrogen fuel in a liquid phase;
a fuel delivery assembly extending from the fuel tank to the engine for providing the hydrogen fuel from the fuel tank to the engine;
a purge/prime assembly configured to provide a flow of primer fluid or pre-primer fluid to the fuel delivery assembly;
a first vaporizer in communication with the fuel delivery assembly for heating the hydrogen fuel in the liquid phase to a gaseous phase, to a supercritical phase, or both when the engine is in a first operating condition; and
a second vaporizer in communication with the fuel delivery assembly for heating the hydrogen fuel in the liquid phase to a gaseous phase, to a supercritical phase, or both when the engine is in a second operating condition, wherein
the purge/prime assembly is fluidly coupled to the fuel delivery assembly downstream from the first vaporizer and upstream from the second vaporizer.
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