Back to results
US 2026/0274432 A1Published application
Hydrogen aircraft
AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorsYasuhiro KINOSHITA, Katsuhiko ISHIDA
Life of this patent
Estimating the term…
Abstract
A hydrogen aircraft including an engine that generates flight thrust; a fuel tank storing hydrogen fuel in a liquid phase; a fuel supply passage connecting the fuel tank to the engine; a pump that is located in the fuel supply passage and pressurizes the hydrogen fuel from the fuel tank toward the engine; a control valve located downstream of the pump in the fuel supply passage; an auxiliary supply passage communicating with a portion of the fuel supply passage which is located between the pump and the control valve; and a hydrogen consumer connected to the auxiliary supply passage.
Claims5
1:
- A hydrogen aircraft comprising:
- an engine that generates flight thrust;
- a fuel tank storing hydrogen fuel in a liquid phase;
- a fuel supply passage connecting the fuel tank to the engine;
- a pump that is located in the fuel supply passage and pressurizes the hydrogen fuel from the fuel tank toward the engine;
- a control valve located downstream of the pump in the fuel supply passage;
- an auxiliary supply passage communicating with a portion of the fuel supply passage which is located between the pump and the control valve;
- and
- a hydrogen consumer connected to the auxiliary supply passage.
6 more elements
2:
- The hydrogen aircraft according to claim 1, further comprising a second control valve located in the auxiliary supply passage.
3:
- The hydrogen aircraft according to claim 1, wherein the hydrogen consumer includes auxiliary power equipment or a fuel cell.
4:
- The hydrogen aircraft according to claim 3, wherein:
- the engine is mounted on a main wing of the hydrogen aircraft;
- and
- the auxiliary power equipment or the fuel cell is located at a position closer to the main wing than to an empennage in the hydrogen aircraft.
1 more element
5:
- The hydrogen aircraft according to claim 4, wherein the auxiliary power equipment or the fuel cell is mounted on the main wing.