Patent ID: 9695714
Date: 2017-07-04
CPC Classifications: F01D,F02C,F05D,F16C

Claim:
1. A turbine module comprising: a turbine shaft rotatable about a center line of the turbine module; a rotor assembly secured to the turbine shaft, the rotor assembly including a plurality of airfoils circumferentially distributed around a rotor disk; a first bearing assembly including a first plurality of bearings rotatably supporting the turbine shaft; a bearing housing containing the first bearing assembly, the bearing housing including a first gutter recessed into an inner surface of the bearing housing, and at least partially circumscribing the first plurality of bearings radially outward therefrom, and a drain disposed proximate a base of the gutter, the first gutter including a first sloped floor portion circumferentially adjacent to the drain; and a bearing compartment retaining the bearing housing, the bearing compartment including a longitudinal exit duct in communication with the drain; wherein the exit duct comprises an open longitudinal pathway between the drain and a lubricant return line disposed at an axial end of the turbine module.