Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1981-02-25
1983-08-16
Frankfort, Charles E.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
23926523, 416 20R, 416 90A, B64C 2104
Patent
active
043986870
ABSTRACT:
A non-moving fluid thrust deflector and force augmentor is disclosed for aerodynamic and hydrodynamic vehicles and devices. When the deflector is utilized in an aerodynamic application and in conjunction with a thrust producer and a plenum, upon pressure initiation within the plenum, a jet sheet issues and remains attached to a specially designed wing having a rounded trailing edge by balancing reduced static pressure with centrifugal force, and thus provides a controlled resultant force or thrust in some direction other than that corresponding to the original flow. Upon application to hydrodynamic vehicles, the deflector is placed in the propulsor stream and provides turning or pitching forces to the vehicle without any deflection of itself. These applications require no mechanical moving components to deflect or augment the thrust or force, and thus yield considerable reductions in weight and complexity.
REFERENCES:
patent: 2868479 (1959-01-01), Kadosch
patent: 3670994 (1972-06-01), Kizilos
patent: 3680511 (1972-08-01), English
patent: 3830450 (1974-08-01), Williams et al.
patent: 3971534 (1976-07-01), Grotz
patent: 4131390 (1978-12-01), Schmidt
patent: 4137008 (1979-01-01), Grant
Nichols, "Advanced Circulation Control Wing System for Navy STOL Aircraft", IAA-80-1825, Aug. 4-6, 1980.
Englar Robert J.
Furey Roger J.
Lee David G.
Nichols, Jr. James H.
Beers R. F.
Frankfort Charles E.
Marsh L. A.
The United States of America as represented by the Secretary of
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