公开(公告)号：US10717511B2

公开(公告)日：2020-07-21

申请号：US15432193

申请日：2017-02-14

Applicant: The Boeing Company

Inventor： Zeaid Fouad Hasan ,  Jeffrey F. Stulc ,  Phillip Roger Pratt ,  James A. Backlund, Jr. ,  Nickolas Scott Ellerbeck ,  Lyle Ray Deobald

IPC: B64C1/06 ,  B64C1/26 ,  B64C3/18 ,  B64C1/10 ,  B64C1/00

Abstract: An aircraft includes a wing and a wing box. The wing is joined to the wing box at a side of body joint. The wing and the wing box each includes lower skin and a plurality of stringers on the skin. Ends of at least some of the stringers at the side of body joint have a web cutout and a base that is spanwise tapered to a knife edge at the skin.

公开(公告)号：US10479475B2

公开(公告)日：2019-11-19

申请号：US13962974

申请日：2013-08-09

Applicant: The Boeing Company

Inventor： Zeaid Fouad Hasan ,  Jeffrey F. Stulc ,  Phillip Roger Pratt ,  James A. Backlund, Jr. ,  Nickolas Scott Ellerbeck ,  Lyle Ray Deobald

IPC: B64C3/18 ,  B64C1/06 ,  B64C1/26

Abstract: A stringer beam joint structure of an aircraft formed from fiber-reinforced composites includes a wing and a wing box. The wing is joined to the wing box at a side of a joint structure. The wing and the wing box each includes a lower skin. A plurality of stringers is coupled to the lower skin and all made of fiber-reinforced composites. A first end of at least one of the plurality of stringers at the side of the joint structure features a web cutout with a taper formed in the base flange that spans longitudinal to the respective stringer and the taper located at the end of each respective stringer, where the taper runs from a knife edge of a base flange of the respective stringer to a full height of the base flange. The tapered surface of the base flange is contiguous with an edge of the web cutout.