Cantilevered vortex control device

Details Cantilevered vortex control device Cantilevered vortex control device

1986-07-28

1989-12-05

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244130, 244 53R, B64C 2306

Patent

active

048847720

ABSTRACT:
A vortex control device is designed for installation on the exterior surface of an aircraft nacelle in a position which does not compromise the optimum aerodynamic performance of the vortex control device. Existing cowling structure is bridged by this vortex control device which attaches only to movable structure and which is cantilevered over adjacent stationary structure. A resilient seal prevents air from swirling under the cantilevered portion, thus contributing to vortex generating efficiency and reduced aerodynamic drag.

REFERENCES:
patent: 3744745 (1973-07-01), Kerker
patent: 4378922 (1983-04-01), Pierce
patent: 4466587 (1984-08-01), Dusa
patent: 4489905 (1984-12-01), Bengelink
patent: 4540143 (1985-09-01), Wang

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