CONTROLLED WING OF PROPELLER TYPE Russian patent published in 2016 - IPC B64C33/00 B64C3/18 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft with flapping wings. Wing consists of a flap wing and stroke wing and comprises a web and two curved mirror-positioned relative to one another wing spars. Spar axle rotates freely in elongated sleeve, outer end of which is fixed to rectangular frame platform. Outer side edge of platform is rigidly attached to vertical rod side frame and upper and lower transverse rod side frame rigidly fixed horizontal bars so that when viewed from above form a geometric figure in form of an inverted trapezoid, with an inclination angle of its lateral sides to centre of figure by an angle of 14±0.5°. Spar comprises a central rod, which is rigidly attached to axis of spar. To outer end is rigidly secured axis gear member. Side rod of spar by its inner end is rigidly fixed to outer end of central rod member. Flitter period is defined sector 0°…180°, and period of flapping-wing sector of circle is defined by 180°…360°.

EFFECT: lowering inertia force generated by movement of wing in a circular path, thereby creating a greater area of flap wing.

1 cl, 25 dwg