Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and helicopter sustained
Patent
1992-10-05
1993-08-17
Barefoot, Galen
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and helicopter sustained
244206, 244215, B64C 2900, B64C 2308
Patent
active
052361497
ABSTRACT:
A boundary layer control device including a rotating cylinder mounted on a shaft disposed along the trailing edge of the wing of an aircraft and a flap structure secured to the shaft on which the rotating cylinder is mounted. In the preferred embodiment, the flap structure is coupled to the shaft by brackets, each of which having one end pivoted about the shaft and an opposite end to which the flap is pivotally supported. This arrangement facilitates rotation of the flap structure between a first "cruise" position in which the flap structure is disposed substantially horizontally at the trailing edge of the wing, and a second "VTOL" position in which the flap is disposed either above or below the wing in a "stowed" or aerodynamically hidden position. Various other embodiments are disclosed.
REFERENCES:
patent: 2094105 (1937-09-01), Myers
patent: 3092354 (1963-06-01), Alvarez-Calderon
patent: 3106369 (1963-10-01), Borst
patent: 3121544 (1964-02-01), Alvarez-Calderon
patent: 3179354 (1965-04-01), Alvarez-Calderon
patent: 3586262 (1971-06-01), Sherman
Barefoot Galen
Lewis Terrell P.
Rockwell International Corporation
Silberberg Charles T.
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