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:
Aug. 13, 2024
Filed:
Oct. 09, 2018
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
SIEMENS ENERGY GLOBAL GMBH & CO. KG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 1/00 (2006.01); B32B 3/02 (2006.01); B32B 3/30 (2006.01); B32B 9/04 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 5/288 (2013.01); B32B 1/00 (2013.01); B32B 3/02 (2013.01); B32B 3/30 (2013.01); B32B 9/041 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01);
Abstract
A layer system having a metallic substrate, in particular made of a >=9% by weight chromium steel, in particular with roughness of the substrate <=2 μm and optionally an intervening chromium layer directly on the substrate, in particular made of Cr/CrN, an underlayer or middle layer of AlCr, and an outer layer, in particular outermost layer, of AlCrO, where the AlCr and AlCrO layers in particular are PVD coatings wherein a shark skin effect is achieved with a simple geometric arrangement, and can be used particularly for compressor blades.