HIGH-SPEED COMBINED HELICOPTER Russian patent published in 2015 - IPC B64C27/22 

FIELD: aviation.

SUBSTANCE: high-speed combined helicopter contains a hull consisting of front, middle and tail parts, a tail fin assembly, a power plant, two wing consoles, a lifting propeller, an antitorque propeller, a pusher propeller in a ring, a transmission containing a main reducer, an antitorque propeller reducer and a tail shaft. The pusher propeller is installed on the tail shaft at the end of the middle part of the hull and its ring is rigidly joined with the hull. The tail part of the hull is implemented in the form of the tubular housing with the bearing strong ring rigidly connected with the pusher propeller ring, and the pusher propeller is fitted with the distortion automate with control of the collective and cyclic pitch of blades. Rigid fastening of the bearing strong ring of tail part of the hull to the pusher propeller ring is implemented in the form of rods, and rigid fastening of the pusher propeller ring to the middle part of the hull - by means of the streamline fasteners providing flattening of the running air flow towards the pusher propeller.

EFFECT: reduction of weight of the high-speed combined helicopter and improvement of its manoeuvrable characteristics and increase of flight speed.

5 cl, 3 dwg