Patent · US Active

Lower joints between outboard wing boxes and center wing sections of aircraft wing assemblies

US9227718B2 · kind B2 · utility

1Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2013
Grant dateJan 5, 2016
Priority date
Expiry dateFeb 7, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/40
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Lower joints of aircraft wing assemblies are disclosed. In some embodiments, a lower joint includes an outboard lower wing panel, a center lower wing panel, a rib, and a lower joint assembly that includes two outboard flanges operatively coupled to the outboard lower wing panel, an inboard flange operatively coupled to the center lower wing panel, and an upper flange operatively coupled to the rib. In some embodiments, a lower joint assembly includes one or more splice plates, an upper T-fitting, and one or more intermediate plates. In some embodiments, the outboard lower wing panel, the center lower wing panel, and the lower joint assembly are constructed substantially of different materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.