Patent · US Active

One-piece composite bifurcated winglet

US9738375B2 · kind B2 · utility

10Cited by

5References

20Claims

0Family size

Assignee

The Boeing Company · US

Inventors

Philipp Witte · Bellevue, US
Stanley W. Stawski · Seattle, US
Fedor Kleshchev · Seattle, US
Joshua William Zarfos · Renton, US
Parth R. Naidu · Los Angeles, US

Key dates

Filing date	Dec 5, 2013
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Jul 18, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T50/40
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method and apparatus for forming a winglet formed as a one-piece composite for an aircraft is presented. The winglet comprises a first blade, a second blade, and a root region. The first blade includes a first leading edge and a first trailing edge. The second blade includes a second leading edge and a second trailing edge. The second blade is positioned at an angle to the first blade. The root region is co-cured with the first blade and the second blade to form the winglet. The root region is configured to receive an attachment system for attaching the winglet to a wing of the aircraft.

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