Air-oil separation system for an oil sump in a gas turbine engine

Abstract

An air-oil separation system for an oil sump in a gas turbine engine includes (a) an air-oil separator arranged to separate an air-oil mixture into an oil component and into an air component, (b) at least one air-oil inlet portion arranged to input the air-oil mixture from an oil sump into an separation chamber of the air-oil separator, the air-oil inlet portion including an inlet heat exchanger portion having an inlet coolant flow passage arranged to provide a flow of a coolant therethrough to cool the air-oil mixture input into the air-oil inlet portion, (c) at least one oil outlet arranged to provide the oil component to flow from the separation chamber of the air-oil separator to the oil sump, and (d) an air outlet arranged to provide the air component to flow out of the separation chamber of the air-oil separator.

Dependencies are inferred from the claim text.