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US 2019/0292937 A1Published application
Oil/fuel pump system
AssigneeROLLS-ROYCE plc
InventorJohn R. MASON
Life of this patent
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Abstract
The present disclosure relates to an oil/fuel pump system for an accessory gear box of a gas turbine engine. The system comprises an oil pump, the oil pump having an oil pump shaft that can be operatively coupled to the drive shaft, and a fuel pump, the fuel pump having a fuel pump shaft. The fuel pump shaft is operatively coupled to the oil pump shaft such that the fuel pump is only operational when the oil pump is operational.
Claims9
An oil/fuel pump system for an accessory gear box of a gas turbine engine, the system comprising:
- an oil pump, the oil pump having an oil pump shaft that can be operatively coupled to the drive shaft;
- and
- a fuel pump, the fuel pump having a fuel pump shaft,
- wherein the fuel pump shaft is operatively coupled to the oil pump shaft such that the fuel pump is only operational when the oil pump is operational.
1 more element
Dependencies are inferred from the claim text.