Pressure-sealed floor for aircraft

Details Pressure-sealed floor for aircraft Pressure-sealed floor for aircraft

B - Operations, Transporting

64

C

B64C 1/18 (2006.01) B64C 1/06 (2006.01)

Patent

CA 2651129

This invention relates to a pressure-sealed floor for aircraft, provided with girders (1) comprising a top flange (2), a vertical web (3) and a bottom flange (4), wherein the top flange is provided with two angled legs (7, 8) arranged on either side of the vertical web and having a supporting surface (14, 15) for supporting curved pressurized diaphragms (9), characterized in that the bottom flange includes a connecting element (10) joining the two angled legs in such a way that said bottom flange has a closed cross-section. A structure such as this can advantageously be made of a composite material.

L'invention concerne un plancher pressurisé pour d'aéronef, muni de poutres (1) comportant une semelle supérieure (2), une âme verticale (3) et une semelle inférieure (4), la semelle inférieure étant munie de deux pieds obliques (7, 8) disposés de part et d'autre de l'âme verticale et présentant une surface d'appui (14, 15) destinée à soutenir des membranes pressurisées courbes (9), caractérisée en ce que la semelle inférieure comporte un élément de liaison (10) reliant les deux pieds obliques, de manière à ce que ladite semelle inférieure présente une section fermée. Une telle structure peut avantageusement être réalisée en matériau composite.

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