Patent · US Active

Riblet film for reducing the air resistance of aircraft

US10994832B2 · kind B2 · utility

1Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 2018
Grant dateMay 4, 2021
Priority date
Expiry dateApr 30, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/10
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A riblet film for reducing the air resistance of aircraft, comprising a suspension with magnetic particles enclosed therein. Depending on the pattern of a magnetic field acting on the riblet film, the magnetic field that is acting can be made visible, at least in certain regions, by changing the orientation of the magnetic particles. The riblet film allows an inspection of the aircraft structure located under the riblet film through the riblet film.

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