Improved primary engine strut structure of an aircraft

Details Improved primary engine strut structure of an aircraft Improved primary engine strut structure of an aircraft

B - Operations, Transporting

64

D

B64D 27/18 (2006.01)

Patent

CA 2616068

The invention relates to a primary engine (9) strut (11) structure of an aircraft characterized in that it comprises single-piece composite panels (1a, 2a, 3a, 4a) while replacing the metallic spars (1, 2) and metal panels (3, 4), said composite panels having a lay-up (12) of fibers oriented along crosswise directions whereby integrating, in the width of the skin of the panels, a lattice structure that replaces longitudinal (13) and transversal (14) stiffeners of the spars and metal panels.

L'objet de l'invention est une structure primaire de mât (11) de moteur (9) d'aéronef caractérisée en ce qu'elle comporte des panneaux composites monoblocs (1a, 2a, 3a, 4a) en remplacement de longerons métalliques (1, 2) et de panneaux métalliques (3, 4), lesdits panneaux composites comportant un drapage (12) des fibres orientant ces dernières selon des directions croisées en sorte d'intégrer dans l'épaisseur de la peau des panneaux un maillage remplaçant des raidisseurs longitudinaux (13) et transversaux (14) des longerons et panneaux métalliques.

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