Method and apparatus for controlling tip vortices

Details Method and apparatus for controlling tip vortices Method and apparatus for controlling tip vortices

1974-12-11

1976-12-14

Blix, Trygve M.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 55, B64C 2306

Patent

active

039971325

ABSTRACT:
A jet engine disposed at and preferably in front of the tip end of an airplane wing with exhaust flow intercepting and rotating counter to tip vortex flow to reduce vortex induced drag, the angle of rotation of exhaust flow being cyclically variable to dissipate the vortex flow. The tip engine assists in powering the aircraft.

REFERENCES:
patent: 2477461 (1949-07-01), Lee
patent: 2934889 (1960-05-01), Poulos
patent: 3596854 (1971-08-01), Haney
patent: 3703081 (1972-11-01), Krebs et al.
patent: 3735946 (1973-05-01), Mullins
patent: 3841587 (1974-10-01), Freed
patent: 3881669 (1975-05-01), Lessen

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