THREE-SLOT AIRCRAFT FLAP OF THE SHORT TAKE-OFF AND LANDING Russian patent published in 2019 - IPC B64C9/20 B64C3/50 

FIELD: aircrafts.

SUBSTANCE: invention relates to the mechanization of short take-off and landing aircraft wing. Three-slot flap of the short take-off and landing aircraft wing contains the main link with the deflector, carriages with support rollers, the guide rails of the flap movement, and the mechanisms of retraction-extension. It includes a moving nasal link. In the lower part of the main flap link, movable panels are movably mounted along guides, to which folding control rods with external levers are pivotally fixed, one shoulder connected to the panels, and the other shoulder – with the main link flap. Outer is connected lever through the intermediate rod with another outer lever of the folding thrust of the nose link. Folding thrust with one shoulder attached to the movable nose flap link, and the other shoulder – to deflector thereof. Internal lever is connected through the swivel rod with the mechanism of retraction-extension.

EFFECT: invention is aimed at improving the efficiency of the short take-off and landing aircraft wing flap.

1 cl, 12 dwg