Rib-fitting

Details Rib-fitting Rib-fitting

B - Operations, Transporting

64

C

B64C 3/18 (2006.01)

Patent

CA 2747685

Rib-fitting as a component (9) of a torsion box (1, 3) of an aircraft lift surface made of composite material as a single piece, comprising: a substantially planar web (31) with a first part in the form of a lug (33) and a second part in the form of a rib web (35); two flanges (39) to attach the web (31) with the webs of each of the ends of the front or back spar (11, 13) to which it is joined; flanges (43) for being attached to the upper and lower skins (19, 21) of the torsion box; gaps (45) in the areas of intersection with the front or back spar caps (11, 13) to which the component (9) is connected and with the reinforcement stringers (25) of the skins (19, 21). The invention also comprises and assembly process for the rib--fitting in multispar torsion boxes.

La présente invention concerne une ferrure de nervure utilisée en tant que composant (9) d'un caisson de torsion (1, 3) d'une surface portante d'un aéronef, réalisée en matériau composite sous la forme d'une pièce monobloc et comprenant: une âme (31) essentiellement plane présentant une première partie en forme d'oreille (33) et une seconde partie en forme d'âme de nervure (35); deux ailes (39) permettant de relier l'âme (31) aux âmes de chacune des extrémités du longeron (11, 13) du caisson auquel il est relié; des ailes (43) de raccordement aux revêtements supérieur et inférieur (19, 21) du caisson; des ouvertures (45) dans les zones d'intersection avec les semelles du longeron (11, 13) auquel est raccordé le composant (9) et avec les lisses de renfort (25) des revêtements (19, 21). La présente invention concerne également des procédés de montage de la ferrure de nervure dans des caissons de torsion à plusieurs longerons.

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