An unducted fan having variable pitch blades for an aircraft or wind propulsion system is described. The fan includes a hub provided with housings pivotally receiving vanes about radial axes, and an outer casing of the hub into which circular openings of the housings open. Each vane includes a root which is rotatably mounted in the associated housing, a radially oriented blade and a disc-shaped platform extending from the blade to an edge of the circular opening. The blade includes at least one skin which includes a free lower edge facing the side of the root, wherein the platform is attached to the free lower edge of the skin.
HELICE NON CARENEE A PALES A CALAGE VARIABLE COMPORTANT DES PLATE-FORMES A PERTUBATIONS REDUITES
NON-DUCTED PROPELLER HAVING VARIABLE-PITCH BLADES COMPRISING REDUCED DISTURBANCE PLATFORMS
NICHT UMMANTELTER PROPELLER MIT VERSTELLSCHAUFELN MIT VERRINGERTEN STÖRUNGSPLATTFORMEN
2025-04-02
Patent
Electronic Resource
French
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