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US 8,931,732 B2Granted
Electric powered rotary-wing aircraft
AssigneeSikorsky Aircraft Corporation
InventorsJayant Sirohi, Timothy Fred Lauder, Mark R. Alber, Daniel Bazzani
Life of this patent
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Abstract
A rotary-wing aircraft with an electric motor mounted along an axis of rotation to drive a rotor system about the axis of rotation.
Claims15
A rotary-wing aircraft comprising:
- a rotor system rotatable about an axis of rotation;
- and
- an electric motor mounted along said axis of rotation to drive said rotor system about said axis of rotation;
- and
- a servo system mounted within said rotor system to pitch a rotor blade mounted to a rotor hub.
2 more elements
A rotary-wing aircraft comprising:
- a rotor system rotatable about an axis of rotation;
- and
- an electric motor mounted along said axis of rotation to drive said rotor system about said axis of rotation, said electric motor mounted at least partially within a rotor hub of said rotor system.
A rotary-wing aircraft comprising:
- a rotor system rotatable about an axis of rotation;
- and
- an electric motor mounted along said axis of rotation to drive said rotor system about said axis of rotation, said electric motor mounted at least partially within a rotor shaft of said rotor system.
Dependencies are inferred from the claim text.