Patent ID: 11912422
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 18:
19. A hybrid electric powerplant arrangement for an aircraft, comprising:
a first wing pair of powerplants for a first wing of the aircraft, 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; and
a second wing pair of powerplants for a 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, wherein the first electric powerplant and the second electric powerplant are powered by a plurality of electrical energy sources that are separate from the first and second heat engine powerplants, and wherein the first electric powerplant is coupled to and is powered by a first electrical energy source of the plurality of electrical energy sources and the second electric powerplant is coupled to and is powered by a second electrical energy source of the plurality of electrical energy sources;
wherein the first electric powerplant and the second electric powerplant are each configured to provide zero power during a descent phase.