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US 2024/0124136 A1Published application
Rotor hub system with rotating pitch control actuator
AssigneeKorea Aerospace Research Institute
InventorTae Joo KIM
Life of this patent
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Abstract
A rotor hub system includes a rotor rotation axis, a flap hinge connected to the rotor rotation axis and enabling flapping motion of a rotor blade, a lead-lag hinge connected to the flap hinge and enabling lead-lag motion of the rotor blade, a first hub to which one end of the rotor blade is fixed, a rotating pitch control actuator connected to the first hub and rotating the first hub to enable pitching motion of the rotor blade, and a second hub equipped with the rotating pitch control actuator and hinged to the lead-lag hinge.
Claims4
A rotor hub system, comprising:
- a rotor rotation axis;
- a flap hinge connected to the rotor rotation axis and enabling flapping motion of a rotor blade;
- a lead-lag hinge connected to the flap hinge and enabling lead-lag motion of the rotor blade;
- a first hub to which one end of the rotor blade is fixed;
- a rotating pitch control actuator connected to the first hub and rotating the first hub to enable pitching motion of the rotor blade;
- and
- a second hub equipped with the rotating pitch control actuator and hinged to the lead-lag hinge.
4 more elements
Dependencies are inferred from the claim text.