General Electric Company
Gas turbine engine bearing sump and lubricant drain line from cooling passage

Abstract:

A gas turbine engine having a core engine. The core engine includes an inlet, a compressor section, a combustion section, a turbine section, and an exhaust. The gas turbine engine also includes a bearing sump arranged in the core engine for containing lubrication, the bearing sump and lubrication having an operational range between at least about 0.degree. F. and about 550.degree. F.