Patent · US Expired

2-D propulsive lift nozzle

US4714197A · kind A · utility

11Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1986
Grant dateDec 22, 1987
Priority date
Expiry dateJul 2, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02K1/006
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A two-dimensional nozzle for directing the exhaust of a gas turbine engine includes two spaced apart vertical sidewalls (16), an upper flap assembly (18) and a lower flap assembly (20). The upper flap assembly (20) includes at least a dorsal flap (22) pivotable about a first fixed axis (24). The lower flap assembly (20) includes a ventral flap (28) centrally pivotable about a second fixed axis (30) for creating a dual throat exhaust flow path.

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