Ceramic airfoil trailing end configuration

Kennedy, Matthew B.; Croteau, Paul F.; Holowczak, John E.; Martin, Thomas J.

Title: Ceramic airfoil trailing end configuration

Patent · Tue Mar 01 00:00:00 EST 2022

OSTI ID:1892661

Kennedy, Matthew B.; Croteau, Paul F.; Holowczak, John E.; Martin, Thomas J.

An airfoil includes an airfoil body that has a trailing edge region. The trailing edge region includes first and second monolithic ceramic exterior walls, a flow discharge passage between the first and second monolithic ceramic exterior walls, a ceramic matrix composite (CMC) liner at least a portion of which is disposed in the flow discharge passage between the first and second monolithic ceramic exterior walls, and an array of pedestals disposed in the flow discharge passage. Each of the flow guides bridges the CMC liner and at least one of the first and second monolithic ceramic exterior walls.

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Research Organization:: Raytheon Technologies Corporation, Farmington, CT (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FE0031622

Assignee:: Raytheon Technologies Corporation (Farmington, CT)

Patent Number(s):: 11,261,741

Application Number:: 16/678,927

OSTI ID:: 1892661

Resource Relation:: Patent File Date: 11/08/2019

Country of Publication:: United States

Language:: English

References (14)

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Support system for a composite airfoil in a turbine engine Albrecht, Harry A.; Shteyman, Yevgeniy https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7326030 US Patent Document 7,326,030	patent	February 2008
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