Patent · US Expired

Blown crescent airfoil

US4674716A · kind A · utility

12Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 13, 1985
Grant dateJun 23, 1987
Priority date
Expiry dateMar 13, 2005

Classification

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

Abstract

A supercritical movable airfoil over which is blown air to obtain a Coanda affect. A sealing strip is provided on a stationary airfoil portion which seals against the movable airfoil portion during blowing to prevent flow of air therebetween.

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