A panel assembly with a panel; first ribs 113a and second ribs 13b; a set of first stiffeners 40a which cross the first rib and the second rib; and a set of second stiffeners 40b which cross the first rib and the second rib and alternate with the first stiffeners. Each stiffener has a foot comprising a pair of flanges 41a, 41b and an upstanding web 43a, 43b, each of the flanges is attached to the panel and extend on opposite sides of the web to a pair of lateral edges, with each foot having a width between the lateral edges of its pair of flanges. The feet of the first stiffeners are attached to the first rib and the feet of the second stiffeners are attached to the second rib. The feet of the first stiffeners are wider than the feet of the second stiffeners where the first and second stiffeners cross the first rib, and the feet of the second stiffeners are wider than the feet of the first stiffeners where the first and second stiffeners cross the second rib.
Stiffened panel assembly
2019-05-22
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |