Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained
Patent
1986-12-16
1989-05-09
Barefoot, Galen
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and fluid sustained
244 23B, 244 45A, 244 91, B64C 2900
Patent
active
048282030
ABSTRACT:
A vertical and short take-off and landing aircraft comprising a fuselage, a set canard wings, a set of lift fan wings, air deflectors, lift wings, and a pusher propeller. The canard wings are attached forward of the center of gravity to the fuselage. The lift fan wings are attached about the fuselage generally about the center of gravity of the aircraft. The lift fan wings comprise a generally circular duct extending vertically through the wing, a multi-bladed fan mounted for free rotation axially in the duct, and a prime mover connected to the fan for selectively applying rotational torque to the fan. The air deflectors are arranged about the lift fan wing in a louver-type of system for directing even flow of air to the fan. The lift wings are attached to the fuselage aft of the center of gravity of the aircraft and generally at a location vertically higher than the lift fan wings. The pusher propeller is connected to the prime mover and attached to the fuselage aft of the lift Jan wings.
REFERENCES:
patent: 1370041 (1921-03-01), Packard
patent: 2421694 (1947-06-01), Hawkins
patent: 3033492 (1962-05-01), Rowe
patent: 3080137 (1963-03-01), Hurel et al.
patent: 3088695 (1963-05-01), Clark
patent: 4469294 (1984-09-01), Clifton
USMC AV-8B, McDonnel Aircraft Co. Brochure.
Clifton Robert T.
Cook Woodrow L.
Barefoot Galen
Egbert John S.
Vulcan Aircraft Corporation
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