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US 12,698,718 B2Granted
Needled ceramic matrix composite cooling passages
AssigneeRtx Corporation
InventorsTracy A. Propheter-Hinckley, Raymond C. Surace
Life of this patent
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Abstract
A method for forming a passage in a ceramic matrix composite component incudes forming a core for a ceramic matrix composite component; embedding a hollow member into the core at a desired location for a passage in the ceramic matrix composite component; wrapping the core with a ceramic material; and inserting a rod through the hollow member and into the core.
Claims6
A ceramic matrix composite component, comprising:
- a ceramic material in which a cooling passage is cast, wherein the ceramic material comprises at least one layer of ceramic material, and wherein the cooling passage is cast transverse to and through the at least one layer of the ceramic material and through a separation of a plurality of unbroken ceramic fibers of the ceramic material.
Dependencies are inferred from the claim text.