Composite material blade and fabrication process thereof

B - Operations – Transporting – 64 – C

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B64C 27/46 (2006.01) B29D 99/00 (2010.01) B64C 11/26 (2006.01) B64C 27/473 (2006.01)

Patent

CA 1325627

"Pale en matériaux composites et son procédé de fabrication" ABREGE DESCRIPTIF La pale en matériaux composites et son procédé de fabrication selon l'invention sont tels que le longeron comprend au moins un faisceau (10a, 10b) s'étendant longitudi- nalement dans la coque (4), entre des remplissages de bord d'attaque (12a) et de bord de fuite (12c) et, qui adhère directement contre les revêtements stratifiés d'intrados et d'extrados (4b) de la coque rigide (4). Au-delà du pied de pale (3), le longeron est conformé en boucle d'emplanture souple en torsion (8) et entourant une douille d'attache (9) sur lé moyeu. Application aux hélices multipales à pas variable pour rotor arrière caréné d'hélicoptères.

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