Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained
Patent
1994-12-28
1997-01-28
Ellis, Christopher P.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and fluid sustained
244 126, 244 66, B64C 3910
Patent
active
055971377
ABSTRACT:
A vertical take-off and landing aircraft has an upwardly-open U-shaped channel extending from a front edge to a rear edge of each of two fixed wings and a thrust providing device, such as a propeller, mounted for tilting at the rear end of the channel. The thrust providing device has an inlet at which low pressure is produced by drawing in air along a path and the thrust providing device is tilted to vary the angle of the air drawing-in path relative to the wing and effect vertical take-off and landing by variably enhancing the lift of the wing.
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patent: 4726546 (1988-02-01), De Angelis
patent: 5082204 (1992-01-01), Croston
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