公开(公告)号：US09919785B2

公开(公告)日：2018-03-20

申请号：US14067655

申请日：2013-10-30

Applicant: Airbus Operations, S.L.

Inventor： Alberto Arana Hidalgo ,  Tomas Rodriguez Hernandez

IPC: B64C1/06 ,  B64C3/18

CPC classification number: B64C1/064 ,  B64C3/182 ,  Y10T156/10 ,  Y10T428/24124

Abstract: A stringer made of composite material for reinforcing aircraft skin panels. Plies are introduced at 90° in a segment close to the stringer run-out, and progressively reducing the number of plies at 0°, such that the majority of the number of plies is at 90° in an segment adjacent to the run-out, so the stiffness of the run-out is reduced, and the load it supports is also therefore reduced. This is an alternative solution to the solutions already existing for getting the stringer run-outs to support a smaller load, thereby reducing both the risk of the plies of the stringer peeling off and the risk of separation between stringer and skin panel. A method of manufacturing said stringer is also provided.

公开(公告)号：US20140120302A1

公开(公告)日：2014-05-01

申请号：US14067655

申请日：2013-10-30

Applicant: Airbus Operations, S.L.

Inventor： Alberto Arana Hidalgo ,  Tomas Rodriguez Hernandez

IPC: B64C1/06

CPC classification number: B64C1/064 ,  B64C3/182 ,  Y10T156/10 ,  Y10T428/24124

Abstract: A stringer made of composite material for reinforcing aircraft skin panels. Plies are introduced at 90° in a segment close to the stringer run-out, and progressively reducing the number of plies at 0°, such that the majority of the number of plies is at 90° in an segment adjacent to the run-out, so the stiffness of the run-out is reduced, and the load it supports is also therefore reduced. This is an alternative solution to the solutions already existing for getting the stringer run-outs to support a smaller load, thereby reducing both the risk of the plies of the stringer peeling off and the risk of separation between stringer and skin panel. A method of manufacturing said stringer is also provided.

Abstract translation: 由复合材料制成的用于加强飞机皮肤面板的桁条。 在靠近桁条径向的部分中以90°引入板，并且在0°逐渐减少层数，使得在与缺相相邻的部分中的层数大部分为90° ，因此减少了弹出的刚度，并且因此减小了其支撑的负载。 这是解决已有的解决方案，以便使桁条镂空支撑较小的载荷，从而降低桁条剥落的风险以及桁条和皮肤面板之间分离的风险。 还提供了制造所述纵梁的方法。