Attachment arrangement for attaching a component to the...

B - Operations – Transporting – 64 – C

Patent

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B64C 1/06 (2006.01)

Patent

CA 2678644

Proposed is an attachment arrangement (1) for attaching a component to the fuselage (3) of an aircraft, and an aircraft comprising such an attachment arrangement. The attachment arrangement (1) comprises an elongated stringer (5) that can be connected to the aircraft fuselage, and a fitting (11) that can be connected to the component. The stringer comprises a multitude of recesses (9) that are formed one behind the other in the direction of longitudinal extension of the stringer. The fitting comprises at least one engagement element (13) that is adapted for positive-locking engagement in the recesses (9) of the stringer (5). The stringer and/or the fitting can comprise CFC. The fittings can also comprise various other plastics or metal. Weight savings are achieved while at the same time providing stable and variably-positionable attachment. Furthermore, a method for constructing a stringer for an attachment arrangement is proposed, in which method, by providing reinforcement fibres adjacent to the recesses, a carbon scrim is locally reinforced around the recesses.

L'invention concerne un agencement de fixation (1) permettant de fixer un composant sur le fuselage (3) d'un aéronef, ainsi qu'un aéronef comprenant un tel agencement de fixation. L'agencement de fixation (1) comprend un raidisseur (5) qui peut être raccordé au fuselage de l'aéronef, ainsi qu'un raccord (11) qui peut être raccordé au composant. Le raidisseur comprend une multitude d'évidements (9) qui sont formés l'un derrière l'autre dans le sens de l'extension longitudinale du raidisseur. Le raccord comprend au moins un élément de mise en prise (13) qui est conçu pour une prise à auto verrouillage dans les évidements (9) du raidisseur (5). Le raidisseur et/ou le raccord peuvent comprendre du CFC. Les raccords peuvent également comprendre divers autres plastiques ou métaux. Des économies de poids sont obtenues alors que, en même temps, il est procuré une fixation stable et pouvant être positionnée de manière variable. En outre, un procédé de conception d'un raidisseur pour un agencement de fixation est proposé, procédé dans lequel, en procurant des fibres de renforcement contigu aux évidements, un canevas de carbone est renforcé localement autour des évidements.

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