Counter-rotating vortices generator for an aircraft wing
US4323209A · kind A · utility
40Cited by
16References
13Claims
0Family size
Inventor
Key dates
| Filing date | Nov 13, 1978 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A device for enhancing the lift capability of an aircraft wing is characterized by at least one forwardly projecting finger member mounted on the leading edge of the wing. The finger generates counter-rotating vortices, each in contact with the other, trailing backwardly across substantially the entire upper surface of the wing behind the fingers as the airflow moves upwardly and around the lateral edges of the finger. As the counter-rotating vortices trail backwardly over the upper surface of the wing, a blockage effect is created and the airflow patterns across the wing are modified to produce an increase in lift.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.