Patent ID: 11926430
Assignee: TEXTRON INNOVATIONS INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 11:
12. A multi-mode aircraft power-split-transmission system comprising:
a rotational power input;
a power-split transmission comprising:
a ring gear;
a first axle operable to output rotational power to a rotor of the multi-mode aircraft;
a second axle operable to output rotational power to a ducted fan of the multi-mode aircraft;

a first resistance device coupled to the first axle and fixed to an airframe of the multi-mode aircraft;
a second resistance device coupled to the second axle and fixed to the airframe; and
wherein operation of the first resistance device causes power received from the rotational power input to be directed to the second rotational power output.