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. 03, 2017
Filed:
Feb. 18, 2014
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Andrew Jonathan Leggett, Derby, GB;
Assignee:
ROLLS-ROYCE PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 10/02 (2006.01); C23C 10/28 (2006.01); C23C 16/06 (2006.01); C09D 5/08 (2006.01); F01D 5/28 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F01D 5/288 (2013.01); C23C 10/02 (2013.01); C23C 10/28 (2013.01); C23C 16/06 (2013.01); F01D 5/3092 (2013.01); F05D 2300/143 (2013.01);
Abstract
A platinum plus chromium coating applied to the roots and firtrees of turbine blades where the inclusion of chromium creates a single phase outer zone which minimizes diffusion paths for sulphur which can preferentially diffuse down phase boundaries and enables a chromium rich outer oxide scale to form on top of the coating.