Patent · US Active

Aircraft fuselage stiffener formed from a sheet folded over onto itself

US9776703B2 · kind B2 · utility

0Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2015
Grant dateOct 3, 2017
Priority date
Expiry dateJun 17, 2035

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64C1/061
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The disclosure herein relates to an aircraft fuselage stiffener including a heel, a flange, and a web connecting the heel and the flange, this stiffener comprising a folded sheet extending along the length of the heel, the web and the flange. In addition, to improve the mechanical behavior of the stiffener, the folded sheet includes on the one hand a main portion extending along the length of the heel, the web and the flange, and on the other hand at least one folded-over portion forming a lining of the main portion over at least part of the web and/or the heel and/or the flange.

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