Aero engine storage chamber venting system and method of providing a desired pressure ratio to bearing chamber seals of an air sealed storage chamber

摘要

A storage compartment ventilation system for an aircraft engine, comprising: - at least one storage chamber (1) air-sealed via sealing chamber seals (7) with bearing elements (2) which are intended to support a mechanical part (3) of an aircraft engine, - at least one with the Bearing chamber (1) connected vent line (9) via which in the storage chamber (1) befindliches oil / air mixture from the storage chamber (1) is vented, - an oil separator (11) into which the vent line (9) opens, the oil separator (11) is supplied with the oil / air mixture of the storage chamber (1), - an oil return line (12) connected to the oil separator, through which oil separated from the oil / air mixture is discharged, and - an air discharge line connected to the oil separator (13) through which purified air (23) into the environment (14) is derived, wherein in the air outlet duct (13) an air ejector (15) is arranged, the is provided, the gas ejector (15) supplied gas (17) at a speed in the air outlet pipe (13) eject, which is greater than the speed of in the air outlet line (13) flowing from the oil separator (11) into the environment (14 ) derived air (23), characterized in that the air ejector (15) with the supply air or the exhaust air of a starter (19) of the aircraft engine can be acted upon.