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:
Jan. 09, 2024
Filed:
Mar. 10, 2021
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Nathan T. Martel, Glastonbury, CT (US);
Fadi S. Maalouf, East Hampton, CT (US);
William J. Joost, Worcester, MA (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 28/00 (2006.01); F01D 5/28 (2006.01); B23B 35/00 (2006.01);
U.S. Cl.
CPC ...
C23C 28/347 (2013.01); B23B 35/00 (2013.01); C23C 28/341 (2013.01); F01D 5/288 (2013.01); F05D 2220/32 (2013.01); F05D 2230/31 (2013.01); F05D 2230/90 (2013.01); F05D 2240/307 (2013.01); F05D 2300/611 (2013.01);
Abstract
A blade has an airfoil having a tip. The blade has a metallic substrate and a coating system atop the substrate at the tip. The coating system has: a first layer of at least 99.0% weight nickel; an abrasive layer having a matrix and an abrasive at least partially embedded in the matrix; and a second layer between the first layer and the matrix. The second layer is tougher or more ductile than at least one of the first layer and the matrix.