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US 2017/0284351 A1Published application
Fuel and oil system
AssigneeROLLS-ROYCE plc
InventorsGian INCERPI, Edward W. ADAMS
Life of this patent
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Abstract
A fuel and oil system comprising a fuel pump; an oil pump. A first electric motor controller configured to supply a variable electrical drive. A second electric motor controller configured to supply a variable electrical drive. A fixed electrical drive. The fuel pump is selectively connected to and driven by the first electric motor controller or the second electric motor controller. The oil pump is selectively connected to and driven by the second electric motor controller or the fixed electrical drive.
Claims9
A fuel and oil system (50) comprising:
- a fuel pump (28);
- an oil pump (30);
- a first electric motor controller (68) configured to supply a variable electrical drive;
- a second electric motor controller (70) configured to supply a variable electrical drive;
- and
- a fixed electrical drive (76):
- wherein, in a first configuration the fuel pump (28) is connected to and driven by the first electric motor controller (68) and the oil pump (30) is connected to and driven by the second electric motor controller (70);
- and
- wherein, in a second configuration the fuel pump (28) is connected to and driven by the second electric motor controller (70) and the oil pump (30) is connected to and driven by the fixed electrical drive (76);
- and
- wherein, in a third configuration the fuel pump (28) is connected to and driven by the first electric motor controller (68) and the oil pump (30) is connected to and driven by the fixed electrical drive (76).
8 more elements
Dependencies are inferred from the claim text.