Fuel system
AssigneeROLLS-ROYCE plc
InventorsMartin K. YATES, Mohamed ALY
Life of this patent
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Abstract
A fuel system for a gas turbine engine is disclosed. The fuel system is configured to combust hydrogen fuel and comprises a fuel conduit, a first fuel pump configured to operate on liquid hydrogen within the fuel conduit and a second fuel pump downstream in hydrogen fuel flow of the first fuel pump. The first fuel pump comprises one of a side channel and a regenerative pump and the second fuel pump comprises a centrifugal pump. Methods of operation, a gas turbine engine comprising the fuel system, and an aircraft comprising the gas turbine engine are also disclosed.
Claims14
A fuel system for a gas turbine engine configured to combust cryogenic fuel, the fuel system comprising:
- a fuel conduit;
- a first fuel pump configured to operate on liquid cryogenic fuel within the fuel conduit;
- a second fuel pump downstream in fuel flow of the first fuel pump;
- wherein
- the first fuel pump comprises one of a regenerative pump and a side channel pump and the second fuel pump comprises a centrifugal pump.
Dependencies are inferred from the claim text.