Patent · US Active

Gurney flap

US10703458B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2019
Grant dateJul 7, 2020
Priority date
Expiry dateAug 28, 2039

Classification

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

Abstract

A gurney flap arrangement comprises: an airfoil with an opening in a surface of the airfoil; a gurney flap having a first position in which at least a portion of the gurney flap extends through the opening and projects outwardly from the airfoil surface, and a second position in which the gurney flap does not project from the airfoil surface or projects outwardly from the airfoil surface to a lesser extent; and a seal disposed about the opening to seal a gap in the opening between the gurney flap and the airfoil.

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