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. 28, 2025
Filed:
Aug. 05, 2021
Applicant:
Safran, Paris, FR;
Inventors:
Jérémy Rame, Moissy-Cramayel, FR;
Amar Saboundji, Moissy-Cramayel, FR;
Mirna Bechelany, Moissy-Cramayel, FR;
Assignee:
SAFRAN, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); B22C 3/00 (2006.01); B22D 27/18 (2006.01); C23F 11/18 (2006.01);
U.S. Cl.
CPC ...
F01D 5/288 (2013.01); B22C 3/00 (2013.01); B22D 27/18 (2013.01); C23F 11/18 (2013.01); F05D 2230/90 (2013.01); F05D 2300/132 (2013.01); F05D 2300/135 (2013.01); F05D 2300/143 (2013.01); F05D 2300/15 (2013.01); F05D 2300/175 (2013.01); F05D 2300/222 (2013.01);
Abstract
A protection method, protects at least one hollow internal area of a turbine engine part made of a superalloy from oxidation and/or corrosion, wherein the at least one hollow inner area has been formed by means of at least one core made of a ceramic material limited by an external surface that surrounds it. Before bringing the superalloy around the core made of a ceramic material, the external surface is coated with a material that includes a nanometric layer of hafnium (Hf), and/or a micrometric layer of platinum (Pt), or mixture at least of hafnium and platinum.