公开(公告)号：US11300086B2

公开(公告)日：2022-04-12

申请号：US15446584

申请日：2017-03-01

Applicant: ROLLS-ROYCE plc

Inventor： Gian Incerpi ,  Edward W Adams

IPC: H02P29/024 ,  F02C7/22 ,  F02M59/20 ,  H02P6/04 ,  F02C9/26 ,  F01D25/20 ,  F02C7/236 ,  H02K9/00 ,  F01M1/02 ,  F02C7/06 ,  F02M37/08

Abstract: A fuel and oil system includes a fuel pump, an oil pump, and a fixed electrical drive. A first electric motor controller of the fuel and oil system supplies a variable electrical drive, and a second electric motor controller supplies a variable 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.