B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 1/00 (2006.01) B64C 1/06 (2006.01) B64C 25/00 (2006.01) B64C 25/04 (2006.01)
Patent
CA 2691148
The invention relates to a landing gear casing that comprises a longitudinal box with walls defining an inner housing (24) open at the bottom and enabling the stowage of the landing gear (20) inside the housing and the deployment thereof outside the housing, the walls of the casing separating the non-pressurised inner housing from a surrounding pressurised area (18) of the aircraft, characterised in that the casing includes a primary inner frame including: several primary transverse reinforcement arcs (26, 28) inside the housing; at least one longitudinal central reinforcement arc (30a, 30b) inside the housing; wherein the walls of the casing and the reinforcement being adapted to conform to the shapes of the landing gear (20) and the stowage/expansion mechanism (22) thereof.
L invention est relative à une case de train d atterrissage comprenant un caisson (16) de forme longitudinale comportant des parois qui définissent un logement interne (24) ouvert par le dessous pour permettre la rétractation d un train d atterrissage (20) à l intérieur du logement et son déploiement hors du logement, les parois du caisson séparant le logement interne non pressurisé d une zone environnante (18) de l aéronef pressurisée, caractérisée en ce que le caisson comporteune ossature interne primaire comprenant: -plusieurs arceaux de renfort transversaux primaires (26, 28) internes au logement, -au moins un renfort central longitudinal (30a, 30b) interne au logement, les parois du caisson et les renforts étant configurés pour épouser les formes du train d atterrissage (20) et de son mécanisme (22) de déploiement/rétractation.
Guering Bernard
Saint Marc Laurent
Airbus Operations
Riches Mckenzie & Herbert Llp
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