US 11,674,443 B2
Hydrogen fuel system
Nathan Evan McCurdy Gibson, West Chester, OH (US); David Justin Brady, Rockport, MA (US); Justin Paul Smith, Montgomery, OH (US); and Mirko Gernone, Noicattaro (IT)
Assigned to General Electric Company, Schenectady, NY (US); and GE Avio S.r.l., Turin (IT)
Filed by General Electric Company, Schenectady, NY (US); and GE Avio S.r.l., Turin (IT)
Filed on Sep. 14, 2021, as Appl. No. 17/474,156.
Claims priority of application No. 102020000026590 (IT), filed on Nov. 6, 2020.
Prior Publication US 2022/0145801 A1, May 12, 2022
Int. Cl. F02C 7/224 (2006.01); F02C 3/22 (2006.01)
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
OG exemplary drawing
 
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.