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
08.02.2017
Patent
Elektronische Ressource
Französisch
Pale dégivrante d’hélice ou de soufflante de turbomachine
Europäisches Patentamt | 2023
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