公开(公告)号：WO2021158862A1

公开(公告)日：2021-08-12

申请号：PCT/US2021/016735

申请日：2021-02-05

Applicant: AEROVIRONMENT, INC.

Inventor： KENDALL, Greg, T.

IPC: B64C3/00 ,  B21D47/00 ,  B21D47/04 ,  B64C3/10 ,  B64C3/18 ,  B64C3/20 ,  B64C3/22

Abstract: Systems, devices, and methods including a leading edge tubular member (114); an upper tubular member (110); a lower tubular member (112); one or more upper rib members (124) connected between the leading edge tubular member (114) and the upper tubular member (110); one or more lower rib members (126) connected between the leading edge tubular member (114) and the lower tubular member (112); a rigid sandwich shell (102) disposed between the upper tubular member (110) and the leading edge tubular member (114); and a sandwich shear web (104) disposed between the upper tubular member (110) and the lower tubular member (112); where the rigid sandwich shell (102) and the sandwich shear web (104) form a D-shape.