Gas turbine engine fuel system
AssigneeROLLS-ROYCE plc
InventorsHuw Llewelyn EDWARDS, Timothy John SCANLON, Yi WANG, John James Anthony CULLEN
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Abstract
A fuel system for a gas turbine engine, the gas turbine engine including a combustor having a pilot fuel injector and a main fuel injector, the fuel system including first and second variable flow fuel pumps configured to provide metered fuel flow to the pilot injector, and the main injector respectively; first and second variable speed electric motors configured to drive respective first and second fuel pumps; wherein each of the electric motors includes a polyphase motor including a stator having concentrated windings.
Claims16
A fuel system for a gas turbine engine, the gas turbine engine comprising a combustor having a pilot fuel injector and a main fuel injector, the fuel system comprising:
- a first variable flow fuel pump configured to provide metered fuel flow to the pilot injector, and a second variable flow fuel pump configured to provide a metered fuel flow to the main injector;
- first and second variable speed electric motors configured to drive respective first and second fuel pumps;
- wherein
- each of the electric motors comprises a polyphase motor comprising a stator having concentrated windings
Dependencies are inferred from the claim text.