Commercial aircraft with a main deck and a lower deck

Details Commercial aircraft with a main deck and a lower deck Commercial aircraft with a main deck and a lower deck

B - Operations, Transporting

64

C

B64C 1/00 (2006.01) B64C 25/12 (2006.01) B64D 11/00 (2006.01) B64D 25/00 (2006.01)

Patent

CA 2570917

In a commercial aircraft with a main deck (2) and a lower deck (5, 6), at least one passenger cabin (16, 16~) is also provided on the lower deck. The fuselage diameter lies on the order of a wide-body aircraft, and an energy- absorbing deformation structure (22, 23, 24) is arranged underneath the lower deck cabin. The invention proposes to arrange the wings (7) on the aircraft fuselage in accordance with the shoulder wing configuration, and to arrange the landing gear (10) outside on the fuselage such that the landing gear bays are spaced apart from one another by a certain distance that is defined by the positioning of the bottom longeron spars (9). This may provide that the lower deck volume situated underneath the main deck can be optimally utilized for payloads. The lower deck areas may also be interconnected in such a way that a significant useful width of the passage between the landing gear bays is achieved.

Dans un appareil commercial à pont principal (2) et à pont inférieur (5, 6), on trouve au moins une cabine passager (16, 16') au niveau du pont inférieur. Le diamètre du fuselage est de l'ordre de celui d'un aéronef à cellule large et une structure de déformation à absorption d'énergie (22, 23, 24) est prévue sous la cabine du pont inférieur. Selon cette invention, les ailes (7) sont implantées sur le fuselage en position d'aile mi-haute, le train d'atterrissage (10) étant disposé hors du fuselage de telle sorte que les travées du train soient séparées l'une de l'autre d'une certaine distance définie par le positionnement des longerons de fuselage (9). Ainsi, le volume de pont inférieur situé sous le pont principal peut être exploité de manière optimale pour la charge marchande. De plus, les zones du pont inférieur peuvent être reliées de tells sorte qu'une largeur utile importante soit ménagée pour le passage entre les travées du train d'atterrissage.

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