公开(公告)号：US11976566B2

公开(公告)日：2024-05-07

申请号：US18115755

申请日：2023-02-28

Applicant: RTX Corporation

Inventor： Brian C. McLaughlin ,  Paul M. Lutjen ,  Richard K. Hayford ,  Anthony B. Swift

IPC: F01D5/20 ,  F01D5/18 ,  F01D11/08

CPC classification number: F01D5/20 ,  F01D5/187

Abstract: A blade outer air seal segment including a radially outward surface, a radially inward surface oriented away from the radially outward surface, and a cooling channel located between the radially outward surface and the radially inward surface. The blade outer air seal segment also including a stress-relief boss extending into the cooling channel and an inlet orifice fluidly coupled to the cooling channel through the stress-relief boss. The blade outer air seal segment further including a stress-relief recess. The stress-relief boss being located within the stress relief recess.