Aeronautics and astronautics – Aircraft structure – Details
Patent
1974-05-28
1976-10-05
Blix, Trygve M.
Aeronautics and astronautics
Aircraft structure
Details
244113, B64D 4700
Patent
active
039840700
ABSTRACT:
A means for attenuating the vortex created at aircraft wingtips which consists of a retractable planar surface transverse to the airstream and attached downstream of the wingtip which creates a positive pressure gradient just downstream from the wing. The positive pressure forces a break up of the rotational air flow of the vortex.
REFERENCES:
patent: 2075817 (1937-04-01), Loerke
patent: 2421870 (1947-06-01), Dornier et al.
patent: 2612332 (1952-09-01), Drozinski
patent: 2678785 (1954-05-01), Graham
patent: 3596854 (1971-08-01), Haney
patent: 3881669 (1975-05-01), Lessen
Blix Trygve M.
Kelmachter Barry L.
Manning John R.
Osborn Howard J.
The United States of America as represented by the Administrator
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