UNMANNED TRANSPORT HELICOPTER Russian patent published in 2023 - IPC B64U10/17 B64D33/08 F01P5/04 

FIELD: aviation.

SUBSTANCE: invention relates to the designs of unmanned helicopters with Rotax 912 series engines and their analogues. The fuselage of the apparatus has a mixed type design, free space under the main gearbox. Removable cargo containers are installed under the axis of rotation of the propellers of the carrier system. The air intake of the cooling system is located in the front upper part of the fuselage. A centrifugal fan wheel is installed on the motor shaft flange together with the clutch pin. Air ducts from the casing of the centrifugal fan provide forced air for cooling the cylinders, water and oil coolers, the main gearbox and on-board equipment systems.

EFFECT: improved cooling of the engine, radiators, main gearbox and avionics systems, accessibility for maintenance and repair without the need for significant disassembly of the aircraft.

1 cl, 7 dwg