COAXIAL CARRIER SYSTEM Russian patent published in 2018 - IPC B64C27/80 B64C27/54 

FIELD: aviation.

SUBSTANCE: coaxial carrier system comprises a gearbox with two opposite rotation shafts on which rotor hubs are mounted, two swash plates connected to each other and movable in axial direction and kinematically connected with actuating pins of blades and summing lever system of common and differential pitch. The lower swash plate is mounted on a sliding bar and interacts with it and actuating pins of lower propeller through lever walking beams. The lower swash plate and the sliding bar are constantly connected with actuating elements of mechanical drives, which control inputs are connected to signals of trajectory control of helicopter flight from the automatic control system. They are also connected to detachable functionally connected system of rods and levers of hand-operated pilot control.

EFFECT: increased rigidity of control wiring and reduced servicing costs.

4 cl, 3 dwg