FIELD: aircraft engineering.
SUBSTANCE: proposed transmission comprises reduction gearbox (1), two overrunning clutches (2) at engine shafts, rotor shaft (4), propulsive engine shaft (5) and differential gear engaged by gears (3) with engine shafts. One output link (7) of differential gearbox is engaged with propulsive engine shaft (5). Another output link (8) of differential gearbox is engaged with rotor shaft (4) via high-rpm overrunning clutch (12). Carrier (9) of differential gearbox is engaged with rotor shaft (4) via low-rpm overrunning clutch (11). Every link of differential gearbox incorporates the braking device (13, 14).
EFFECT: higher speed and rotor thrust, higher flight safety.
1 dwg
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