FIELD: engines and pumps.
SUBSTANCE: invention relates to devices designed to ensure the transmission of torque from a gas turbine engine to a consumer, in particular, to drive a helicopter rotor shaft. Main oil system and the auxiliary oil system function simultaneously and independently of each other, the additional oil tank of the auxiliary oil system is located in the internal space of the driven gear of the last stage of reduction and above the oil tank of the main oil system.
EFFECT: ensuring the operability of the main gearbox for 30 minutes in case of any failure of the main oil system, leading to leakage of lubricating oil, protection of the additional oil tank from external influences.
1 cl, 1 dwg
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