A propeller blade extending radially between a blade root and a blade tip and having a leading edge and a trailing edge, together with a pressure side face and a suction side face. Along the leading edge, the angle (α) between the radial direction and a tangent to the leading edge passes through a local maximum zmax situated in the range 60% to 80% of the height of the blade. Furthermore, the suction side face of the blade includes an indentation extending axially from the leading edge to the trailing edge and located at a height of the blade between the local maximum zmax and the blade tip.
PALE D'HELICE POUR TURBOMACHINE
PROPELLER BLADE FOR TURBO ENGINE
PROPELLERBLATT FÜR TURBOTRIEBWERK
2017-02-08
Patent
Electronic Resource
French
European Patent Office | 2018
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