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:
Jul. 14, 2026
Filed:
Dec. 06, 2021
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Jonas S. Banhos, Rocky Hill, CT (US);
James T. Roach, Vernon, CT (US);
Russell Kim, Glastonbury, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/628 (2006.01); C04B 35/573 (2006.01); C04B 35/83 (2006.01);
U.S. Cl.
CPC ...
C04B 35/62894 (2013.01); C04B 35/573 (2013.01); C04B 35/62863 (2013.01); C04B 35/83 (2013.01); C04B 2235/5244 (2013.01); C04B 2235/5264 (2013.01); C04B 2237/365 (2013.01); C04B 2237/38 (2013.01);
Abstract
Disclosed herein is a composite comprising a ceramic matrix composite comprising a ceramic matrix and ceramic fibers; and one or more sacrificial fibers woven into the ceramic matrix composite; where the sacrificial fibers are operative to undergo oxidation or melting upon being subjected to an elevated temperature; and wherein the sacrificial fibers leave cooling holes in the composite preform upon being subjected to oxidation or melting.