Transverse thrust lift augmentation system

Details Transverse thrust lift augmentation system Transverse thrust lift augmentation system

1984-07-19

1987-03-10

Jordan, Charles T.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244199, B64C 958, B64C 2104, B64C 2306

Patent

active

046485716

ABSTRACT:
Disclosed is a propulsive lift mechanism which improves the short takeoff and landing capabilities of an aircraft by generating transverse thrust lift augmentation by exhausting gasses ported from the main exhaust through a nozzle, close behind and parallel with the trailing edges of the wings of the aircraft, which transverse jet together with thrust vectoring means of the aircraft, provide improved aerodynamic lift on the wings of the aircraft. The transverse nozzle, having means adjustable for creating reverse thrust, and optionally for discharging said exhaust gasses with a swirling motion, may provide both increased circulation of air over the wings as well as improved flow separation control on the trailing edge flaps of the wings. Exhaust gas from the jet engine of the aircraft is ported to the transverse nozzles by flap valves operating in the exhaust of the jet engine.

REFERENCES:
patent: 1496373 (1924-06-01), Hunt
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patent: 2941751 (1960-06-01), Gagarin
patent: 3480234 (1969-11-01), Cornish, III
patent: 3525486 (1970-08-01), Wimpenny
patent: 3806068 (1974-04-01), Blythe et al.
patent: 3831885 (1974-08-01), Kasper
Dixon, C. J. et al. Theoretical and Experimental Investigations of Vortex Lift Control by Spanwise Blowing, vol. 1, LG73ER-O169, 15 Sep. 1973, Lockheed-Georgia Company, Marietta, Georgia.
Dansby, Ted, A Study of the Effects of Spanwise Blowing on the Lift of Trailing Edge Flight Controls, May 1980, Lockheed-Georgia Company, Marietta, Georgia.

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