Invention Grant
- Patent Title: Hollow airfoil construction using cover subassembly
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Application No.: US18085282Application Date: 2022-12-20
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Publication No.: US11867084B1Publication Date: 2024-01-09
- Inventor: John T. Pickens
- Applicant: Raytheon Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: RTX Corporation
- Current Assignee: RTX Corporation
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F01D5/18
- IPC: F01D5/18 ; F02C3/04

Abstract:
A component for a gas turbine engine includes an airfoil having a plurality of channels with a main body extending between a leading edge and a trailing edge. The main body forms a portion of one side of the airfoil and the entirety of an opposing side of the airfoil. A cover is secured to the main body about a perimeter by a weld. The cover extends across a majority of the one side of the airfoil. A plurality of ribs extends from the cover in a direction toward the main body to define the channels. The ribs are secured to an inner surface of the main body by an adhesive. A gas turbine engine and a method are also disclosed.
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