AIR BREATHING SYSTEM IN AIRCRAFT GAS TURBINE ENGINE Russian patent published in 2019 - IPC F02C7/06 

FIELD: engine building.

SUBSTANCE: invention relates to aircraft engine construction and relates to aircraft gas turbine engine (GTE) breathing system. In air breathing system in aircraft GTE containing cavities of bearing supports of rotor and gearbox of units with drive centrifugal breather with channels of air supply and oil drainage, according to present invention cavities of bearing supports of rotor are connected by system of grooving lines to supply channel of cyclone air separator installed inside closed vessel, air duct of which is interconnected with closed cavity, which is interconnected with channel of air supply into centrifugal breather, and in feeding channel of cyclone air separator there is an ejector, low-pressure nozzle of which is interconnected with channel of centrifugal breather oil drainage.

EFFECT: objective of invention is reduction of oil consumption in gas turbine due to rational arrangement of air supply and removal of oil from breather.

1 cl, 1 dwg