FIELD: transport.
SUBSTANCE: system counter-rotating propellers for aircraft turbine machine. Power turbine contains the first and the second counter-rotating rotors. Mechanical transmission device is located between the first and the second propellers and contains epicycloidal transfer mechanism including planetary gear, pinion gears, pinion cage and crown gear. The planetary gear is actuated by the first rotor of free power turbine, the pinion gears are geared with the mentioned planetary gear, and pinion cage actuates the first propeller. Actuated by the second rotor crown gear is geared with each pinion gear and imparts rotary motion to the second propeller. Another invention from the set relates to aircraft turbine machine containing above mentioned system of counter-rotating propellers.
EFFECT: simplified design and smaller dimensions of turbine machine.
10 cl, 5 dwg
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