Patent ID: 11958622
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Transport (Mechanical engineering)
Classification: CPC B  F  Y | IPC B

Claim 10:
11. A system comprising:
a heat engine connected to a hybrid-electric power plant for an aircraft;
an electric motor connected to the hybrid-electric power plant;
an ECU (engine control unit) connected to control fuel supplied to the heat engine; and
an EPC (electric powertrain controller) connected to control power supplied to the electric motor, wherein the ECU and EPC are interconnected to one another so that the EPC alone can shut down both the heat engine and the electric motor and/or so that the ECU alone can shut down both the heat engine and the electric motor
wherein the ECU is configured to power down the electric motor in an event of failure of the EPC and/or erroneous commands from the EPC,
wherein the EPC is configured to power down the heat engine in an event of failure of the ECU and/or erroneous commands from the ECU.