UNMANNED AERIAL VEHICLE (VERSIONS) AND OPERATION METHOD THEREOF Russian patent published in 2016 - IPC F42B15/00 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering, particularly to cruise missiles. Unmanned aerial vehicle comprises a body, tanks, a wing and an engine. Body and tanks of vehicle are made from radiotransparent material. Vehicle has an air-screw propulsor. All radiotransparent elements of vehicle are closed by a cover with a stealth shape. Vehicle has an indicator of radar irradiation and propeller motors. Exhaust and air flow of engine cooling system are directed up or down backwards. Exhaust system has heat-insulating longitudinal exhaust flaps which can be closed. Framework of body is made from radiotransparent material. Framework of body and cover of stealth shape have camouflage colouring. Exhaust and air flow of cooling system are directed up or down backwards. In case of detection of enemy radar irradiation vehicle switches off main engine, closes heat-insulating longitudinal flaps and turns on electric motor, disabling coupling of main engine and including coupling of electric motor or electric motors.

EFFECT: decreased signature and increased flight range.

9 cl