公开(公告)号：US20240426219A1

公开(公告)日：2024-12-26

申请号：US18340205

申请日：2023-06-23

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Marcus DeReimer ,  Michael G. McCaffrey

IPC: F01D5/28 ,  F02C7/00

Abstract: An airfoil includes a CMC airfoil wall that defines a platform, a root that extends radially from the platform, and an airfoil section that extends radially from the platform opposite the root. The CMC airfoil wall includes a wishbone-shaped fiber layup structure. The wishbone-shaped fiber layup structure includes first and second arms that merge into a single leg. The first and second arms are comprised of a network of fiber tows, and the single leg includes fiber tows from each of the first and second arms that are interwoven in the single leg. The single leg forms a portion of the root, and the first and second arms extend in opposite directions from the single leg and form a portion of the platform.