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:
Jul. 12, 2022
Filed:
Apr. 24, 2018
Applicant:
Federal-mogul Friedberg Gmbh, Friedberg, DE;
Inventors:
Michael Buchmann, Munich, DE;
Markus Aumiller, Friedberg, DE;
Assignee:
Federal-Mogul Friedberg GmbH, Friedberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C 28/00 (2006.01); F16J 9/26 (2006.01); C23C 4/129 (2016.01); C23C 4/131 (2016.01); C23C 4/134 (2016.01); C23C 4/08 (2016.01); C23C 4/10 (2016.01); C23C 4/18 (2006.01); F16J 9/12 (2006.01); F16J 9/20 (2006.01);
U.S. Cl.
CPC ...
C23C 28/321 (2013.01); C23C 4/08 (2013.01); C23C 4/10 (2013.01); C23C 4/129 (2016.01); C23C 4/131 (2016.01); C23C 4/134 (2016.01); C23C 4/18 (2013.01); C23C 28/324 (2013.01); C23C 28/341 (2013.01); C23C 28/343 (2013.01); F16J 9/12 (2013.01); F16J 9/20 (2013.01); F16J 9/26 (2013.01);
Abstract
A piston ring includes an annular body, a wear-resistant layer that is applied to the annular body by thermal spraying, and a strain-hardened run-in layer, made of an AlCuFe alloy, that is applied to the wear-resistant layer by thermal spraying.