GAS TURBINE ENGINE, ITS PARTIAL DISASSEMBLY METHOD AND ITS FIRST ROTOR SUPPORTING METHOD Russian patent published in 2018 - IPC F01D25/16 F01D25/28 

FIELD: engine building.

SUBSTANCE: invention relates to the gas turbine engine and, in particular, to its bearing (support) structure. Gas turbine engine is configured having the propulsive section equipped with the gear train assembly based fan drive, and also comprises gas generator section, which includes compressor section provided with the first rotor installed, with possibility of rotation, on the first shaft. Engine also includes bearing unit supporting the first shaft with possibility of rotation. At that, the bearing unit supports the first shaft in the period preceding the gear train assembly installation into the engine, included into the fan drive, and/or at a time, when the said gear train assembly is removed from the engine. Gas turbine engine partial disassembling method and its first rotor supporting method are also disclosed.

EFFECT: invention allows to facilitate the gas turbine engine rapid maintenance.

20 cl, 8 dwg