Stiffened multispar torsion box

Details Stiffened multispar torsion box Stiffened multispar torsion box

B - Operations, Transporting

64

C

B64C 3/18 (2006.01)

Patent

CA 2692289

The invention relates to an integrated structure of a composite material multispar torsion box (1) for aircraft, comprising a lower skin (12), an upper skin (11), several spars (9) defining cells (14), the first cell (19) being the closest to the input of load in the box (1), said structure comprising unit elements in the first cell, which unit elements provide the torsion box (1) with the necessary torsional rigidity to prevent the deformations occurring as a result of local loads.

L'invention concerne une structure intégrée de caisson de torsion multilongeron en matériau composite (1) pour aéronef. Ledit caisson comprend un revêtement intradorsal (12), un revêtement extradorsal (11), plusieurs longerons (9) définissant des cellules (14), la première cellule (19) étant la plus proche de l'entrée de charge dans le caisson (1). La structure selon l'invention comprend également des éléments unitaires dans la première cellule, lesdits éléments conférant au caisson de torsion (1) la rigidité en torsion nécessaire pour empêcher les déformations causées par des charges locales.

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