Robotic or remotely controlled flying platform

Aeronautics and astronautics – Aircraft – heavier-than-air – Fluid sustained

Patent

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Details

244 122, 244 125, 244100R, 244 23D, 244 1719, B64C 2902

Patent

active

047951117

ABSTRACT:
A flying platform, propelled by at least one ducted fan causing a vertically downwardly directed airstream in and through a cylindrical duct. A vane system in the duct has two mutually perpendicular pairs of diametrically opposite first vanes, each extending in from the duct rim toward the center of the duct. Each pair of first vanes provides a pair of generally vertical walls parallel to a diametral line across the duct, and they define duct passages between the pairs of vanes and define quadrants between adjacent pairs. Each first vane has an upper, fixed, rigid portion and a variable camber flap depending therefrom. A first servomotor with linkages vary the camber of each pair of flaps, so that the camber of the flaps of each pair is at all times the same amount but in opposite directions. Preferably, there are also four second vanes, one bisecting each quadrant, and a symmetric pair of spoilers is mounted on each second vane. Each pair of spoilers is independently movable, as a pair continuously between a position substantially blocking airflow through the outer portion of said quadrant and a position permitting substantially full airflow therethrough. A second servomotor with linkages symmetrically varies the position of its spoilers. There may be a radio receiver responsive to remote control signals for actuating each servomotor and its linkages.

REFERENCES:
patent: 1775783 (1930-09-01), Perrin
patent: 2371687 (1945-03-01), Gerhardt
patent: 2730311 (1956-01-01), Doak
patent: 2952422 (1960-09-01), Fletcher et al.
patent: 2968453 (1961-01-01), Bright
patent: 3128062 (1964-04-01), Brocard
patent: 3223359 (1965-12-01), Quick et al.
patent: 3640485 (1972-02-01), Mutrux
patent: 4196877 (1980-04-01), Mutrux
patent: 4235397 (1980-11-01), Compton
patent: 4247066 (1981-01-01), Frost et al.

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