Wake vortex visualizer for an aircraft

Details Wake vortex visualizer for an aircraft Wake vortex visualizer for an aircraft

2006-03-28

2006-03-28

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

Reexamination Certificate

active

07017862

ABSTRACT:
A wake vortex visualizer for an aircraft having a selfcontained device that is installed within the wing tip to emit a smoke-like trail from the wing tip automatically by the use of simple ball check valve connected between an orifice on the wing tip and a tank of vapor forming fluid during takeoff and landing of the aircraft such that other following aircraft may see and avoid the vortex generated by said aircraft during takeoff and landing.

REFERENCES:
patent: 1426338 (1922-08-01), Sperry
patent: 1912392 (1933-06-01), Wilkinson
patent: 2250762 (1941-07-01), Haberlin
patent: 3278141 (1966-10-01), Wolcott
patent: 3964304 (1976-06-01), Parrish
patent: 5975425 (1999-11-01), Carlton
patent: 2003/0222795 (2003-12-01), Holforty et al.
“Boeing 747 with Smoke Generator installed for Vortex Study”. Boeing Photo collection, Oct. 24, 1979. 3 pages.
“B-727 in Flight during vortex study with wingtip smoke generator”. Boeing Photo Collection, Nov. 15, 1973. 2 pages.
“Advisory Cicular Aircraft Wake Turbulence”, AC no; 90-23E, Oct. 1, 1991, 7 pages.

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