Rotary wing blade, a rotary wing including such a blade, and an aircraft
AssigneeEurocopter
InventorsJean-Francois Hirsch, Jacques Gaffiero
Life of this patent
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Abstract
A blade (10) of a rotary wing (3), the blade being rigid in twisting and extending from a root (11) to a free end (12), said blade (10) including at least one swept-back segment (23). The blade (10) includes movable twist means (30) fastened to the swept-back segment (23), said blade (10) having actuator means (40) for twisting the blade (10) by varying the angular position of said twist means (30) relative to said swept-back segment (23).
Claims11
A blade of a rotary wing that rotates at a nominal frequency, said blade being rigid in twisting and extending from a root towards a free end, said blade including at least one swept-back segment, said blade root being connected to a pitch rod, wherein the blade includes movable twist means fastened to the swept-back segment, said blade having actuator means for actuating twisting of the blade to vary the angular position of said twist means relative to said swept-back segment.
Dependencies are inferred from the claim text.