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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.:

US 11873569 B1

PDFFull Text
Date of Patent:
Jan. 16, 2024

Filed:

Jul. 13, 2020

Coating for internal surfaces of an airfoil and method of manufacture thereof

Applicant:

Rtx Corporation, Farmington, CT (US);

Inventors:

Lei Chen, South Windsor, CT (US);

Lesia V. Protsailo, Bolton, CT (US);

Michael N. Task, Vernon, CT (US);

Assignee:

RTX CORPORATION, Farmington, CT (US);

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Seth Dumbris

Int. Cl.
CPC ...
C25D 5/12 (2006.01); F01D 5/18 (2006.01); C25D 7/00 (2006.01); C25D 5/50 (2006.01); C23C 18/50 (2006.01); C23C 18/16 (2006.01); C23C 18/32 (2006.01); B32B 15/04 (2006.01); C22C 27/06 (2006.01); C25D 3/56 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
C25D 5/12 (2013.01); B32B 15/04 (2013.01); C22C 27/06 (2013.01); C23C 18/165 (2013.01); C23C 18/1616 (2013.01); C23C 18/1692 (2013.01); C23C 18/32 (2013.01); C23C 18/50 (2013.01); C25D 3/56 (2013.01); C25D 5/50 (2013.01); C25D 7/008 (2013.01); F01D 5/187 (2013.01); B32B 2603/00 (2013.01); F01D 5/288 (2013.01); F05D 2230/90 (2013.01); F05D 2300/121 (2013.01); F05D 2300/132 (2013.01); F05D 2300/21 (2013.01); F05D 2300/2112 (2013.01); F05D 2300/611 (2013.01); F05D 2300/701 (2013.01);
Abstract

Disclosed herein is a method of coating, comprising providing an article having an internal passage therein to be coated; electrolytically applying a first layer that comprises chromium or a chromium alloy onto a surface of the internal passage; electrolytically applying a second layer comprising aluminum or an aluminum alloy onto the first layer; and heat treating the article to promote interdiffusion between the first layer and the second layer.

Find Patent Forward Citations

Chen, Lei. (2024). Coating for internal surfaces of an airfoil and method of manufacture thereof (U.S. Patent No. 11873569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11873569

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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