OIL SYSTEM OF GAS-TURBINE ENGINE Russian patent published in 2017 - IPC F02C7/06 

FIELD: engines and pumps.

SUBSTANCE: oil system of gas-turbine engine comprises an oil tank with centrifugal air-separating tank, a breather-separator with breathing pipe-line and a bellows gate with release jet in a gate loop mounted in the oil supply pipe-line. An additional centrifugal air-separating tank is mounted inside the oil tank, its inlet is connected to the breather-separator breathing pipe-line and its output is connected to the free volume of the oil tank, wherein the release jet in the bellows gate loop is connected to the breathing pipe-line.

EFFECT: implementation of the invention will improve the reliability of bellows gate triggering after shutdown of the engine and therefore of the entire oil system operation and the engine as a whole.

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