Patent ID: 11912422
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 10:
11. A hybrid electric aircraft, comprising:
a first wing;
a second wing; and
a first wing pair of powerplants attached to the first wing, the first wing pair comprising a first electric powerplant configured to drive a first air mover and a first heat engine powerplant configured to drive a second air mover separate from the first air mover;
a second wing pair of powerplants attached to the second wing of the aircraft, the second wing pair comprising a second electric powerplant configured to drive a third air mover separate from the first and second air movers, and a second heat engine powerplant configured to drive a fourth air mover separate from the first, second, and third air movers; and
a common controller configured to operate each of the powerplants, wherein the common controller is configured to divide power between heat engine power and electric power;
wherein the first heat engine is configured to provide positive engine shaft power during a takeoff phase and a climb phase, wherein the first electric powerplant provides positive electric power during the takeoff phase and the climb phase;
wherein the first heat engine is configured to provide positive engine shaft power to the aircraft during a cruise phase and a descent phase;
wherein the first electric powerplant is configured to provide zero power to the aircraft during the cruise phase and the descent phase.