Variable-pitch vane
AssigneeSafran Aircraft Engines
InventorsAdrien Fabre, Adrien Laurenceau, Jonathan Vlastuin
Life of this patent
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Abstract
A variable-pitch vane including a plurality of propeller blades (2). Each blade has a variable pitch according to a blade rotational axis (A1) and a root (201). A plurality of rotor connecting shafts (6), each shaft having a foot (602) and a head (601). The root (201) of each blade is mounted on the head (601) of a rotor connecting shaft via a pivot (8) in such a way as to allow each blade (2) to rotate according to the blade rotational axis (A1), in which each blade (2) has a blade pitch, such that the blade rotational axis (A1) is inclined relative to a radial axis (A2) passing through the foot (602) of the corresponding shaft.
Claims10
Variable-pitch blading including:
- a plurality of propeller blades, each with variable pitch about a blade axis of rotation (A1) and each having a root,
- a plurality of rotor connecting shafts, each shaft having a root and a head, the root of each blade being assembled on the head of a rotor connecting shaft via a pivot so as to allow rotation of each blade about the blade axis of rotation (A1),
- wherein each blade has a blade inclination such that its blade axis of rotation (A1) is inclined with respect to a radial axis (A2) running through the root of the corresponding shaft, and in that the inclination of the blade includes a tangent inclination component (β) in a plane of a propeller.
Dependencies are inferred from the claim text.