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:
Oct. 20, 2020
Filed:
Nov. 17, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Tracy A. Propheter-Hinckley, Manchester, CT (US);
Michael G. McCaffrey, Windsor, CT (US);
Raymond Surace, Newington, CT (US);
Matthew A. Devore, Rocky Hill, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); F01D 9/06 (2006.01); B32B 18/00 (2006.01); F01D 9/04 (2006.01); B23P 15/04 (2006.01); F01D 5/18 (2006.01); F01D 25/12 (2006.01); F04D 29/38 (2006.01); F04D 29/54 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/284 (2013.01); B23P 15/04 (2013.01); B32B 18/00 (2013.01); F01D 5/187 (2013.01); F01D 5/282 (2013.01); F01D 9/041 (2013.01); F01D 9/042 (2013.01); F01D 9/065 (2013.01); F01D 25/12 (2013.01); F04D 29/388 (2013.01); F04D 29/542 (2013.01); C04B 2235/6028 (2013.01); C04B 2237/38 (2013.01); C04B 2237/62 (2013.01); C04B 2237/84 (2013.01); F01D 5/147 (2013.01); F05D 2220/32 (2013.01); F05D 2230/60 (2013.01); F05D 2240/121 (2013.01); F05D 2240/303 (2013.01); F05D 2260/201 (2013.01); F05D 2260/202 (2013.01); F05D 2260/204 (2013.01); F05D 2300/6033 (2013.01); Y02T 50/672 (2013.01); Y02T 50/673 (2013.01); Y02T 50/676 (2013.01);
Abstract
A method of fabricating a ceramic turbine engine article includes building a wall of the article from preceramic layers, wherein the building includes arranging the preceramic layers around one or more sacrificial core elements, converting the preceramic layers to ceramic, and removing the one or more sacrificial core elements to leave one or more cavities in the wall.