Patent ID: 11933187
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A bearing housing cover for a gas turbine engine having an impeller, comprising:
an annular collar having a flange mountable to an exterior surface of a bearing housing;
an impeller baffle integrated with the annular collar, the impeller baffle having an annular body with a front baffle face positionable adjacent a rear face of the impeller, a rear baffle face having a plurality of stiffening elements extending between the rear baffle face and the annular collar, and a central baffle opening; and
a plurality of air passages extending through the bearing housing cover at least partially axially between the front baffle face and the flange, the plurality of air passages being circumferentially separated from one another, and wherein, upon mounting the flange to the exterior surface of the bearing housing, the plurality of air passages are in fluid communication with air passageways through the bearing housing.