The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2023
Filed:
Oct. 17, 2019
Rolls-royce High Temperature Composites Inc., Cypress, CA (US);
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Ted Freeman, Danville, IN (US);
Aaron Sippel, Zionsville, IN (US);
Robert Shinavski, Mission Viejo, CA (US);
Chris Barrett, Huntington Beach, CA (US);
ROLLS ROYCE NORTH AMERICAN TECHNOLOGIES INC., Indianapolis, IN (US);
ROLLS-ROYCE HIGH TEMPERATURE COMPOSITES INC., Cypress, CA (US);
ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);
Abstract
A method of fabricating cooling features on a CMC component may comprise compressing a fabric preform within tooling including holes and/or recesses facing the fabric preform. During the compression, portions of the fabric preform are pushed into the holes and/or recesses. Gases are delivered through the tooling to deposit a matrix material on exposed surfaces of the fabric preform while the fabric preform is being compressed. The matrix material builds up on the portions of the fabric preform pushed into the holes and/or recesses, and a rigidized preform with surface protrusions is formed. The tooling is removed, and the rigidized preform is densified, thereby forming a CMC component including raised surface features.