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.

Date of Patent:
Mar. 02, 2021

Filed:

May. 15, 2017
Applicant:

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Charles Alan Bulgrin, Plainfield, IN (US);

Carl R. Russo, Clayton, IN (US);

Matthew T. Kush, Martinsville, IN (US);

Assignee:

ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 25/02 (2006.01); B22D 27/04 (2006.01); B22C 9/10 (2006.01); B22C 1/00 (2006.01); B22C 7/00 (2006.01); B22C 9/24 (2006.01); B22D 21/00 (2006.01); B22D 29/00 (2006.01); F01D 9/02 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
B22D 25/02 (2013.01); B22C 1/00 (2013.01); B22C 7/00 (2013.01); B22C 9/106 (2013.01); B22C 9/108 (2013.01); B22C 9/24 (2013.01); B22D 21/005 (2013.01); B22D 27/04 (2013.01); B22D 27/045 (2013.01); B22D 29/002 (2013.01); F01D 9/02 (2013.01); F01D 25/12 (2013.01); F05D 2230/211 (2013.01); F05D 2300/10 (2013.01);
Abstract

A method for fabricating a cast component with a cooling channel is provided. The method includes forming a shell mold over a pattern-ceramic matrix composite (CMC) elongated core arrangement to define a cavity in the shell mold. The pattern-CMC elongated core arrangement includes a pattern-forming material with a CMC elongated core disposed therein. The pattern-forming material in the cavity is replaced with metal via a casting process to form the cast component with the CMC elongated core disposed therein defining the cooling channel. The CMC elongated core is removed from the cast component to open the cooling channel for fluid communication.


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