Unducted fan having variable pitch blades comprising reduced disturbance platforms

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12091156
APP PUB NO 20230348042A1
SERIAL NO

18022385

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Importance

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN AIRCRAFT ENGINES2 BOULEVARD DU GÉNÉRAL MARTIAL VALIN 75015 PARIS 75015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Courtier, Vivien Mickaël Moissy-Cramayel, FR 23 18
Joudon, Vincent Moissy-Cramayel, FR 20 5
Postec, Clément Pierre Moissy-Cramayel, FR 9 11

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