Importance

Loading Importance Indicators...

Abstract

A gas turbine engine is provided that includes a static structure, a rotating shaft, and a bearing assembly. The bearing assembly includes a bearing and a seal subassembly. The bearing has inner and outer races and a plurality of roller elements. The outer race includes a shield member. The seal subassembly includes a seal element coupled with the static structure and a seal runner coupled with the rotating shaft. Portions of the seal runner, the outer race, and the inner race define a first bearing cavity. Portions of the seal runner, the outer race, the seal element, and the static structure define a lateral bearing cavity. The lateral bearing cavity is disposed axially between the first bearing cavity and the seal element. The outer race includes a plurality of drain holes that provide fluid communication between the first bearing cavity and the lateral bearing cavity.

Loading the Abstract Image...

First Claim