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. 23, 2024
Filed:
Dec. 06, 2021
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Thomas W. Prete, Northford, CT (US);
John J. Marcin, Jr., Marlborough, CT (US);
Russell A. Beers, Clinton, AR (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 19/00 (2006.01); C23C 28/00 (2006.01); C23C 28/04 (2006.01); F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
B22D 19/00 (2013.01); B22D 19/0072 (2013.01); C23C 28/044 (2013.01); C23C 28/048 (2013.01); C23C 28/321 (2013.01); C23C 28/347 (2013.01); C23C 28/36 (2013.01); F01D 5/187 (2013.01); F05D 2230/211 (2013.01); F05D 2300/175 (2013.01); Y10T 428/1317 (2015.01);
Abstract
A method includes casting a metallic material () in a mold () containing a core, the core having a substrate () coated with a coating (). A removing of the metallic material from the mold and decoring leaves a casting having a layer formed by the coating. The coating has a ceramic having a porosity in a zone () near the substrate less than a porosity in a zone () away from the substrate.