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. 11, 2015
Filed:
Feb. 17, 2011
Applicants:
Marcus Kennedy, Dusseldorf, DE;
Michael Zinnabold, Burscheid, DE;
Inventors:
Marcus Kennedy, Dusseldorf, DE;
Michael Zinnabold, Burscheid, DE;
Assignee:
Federal-Mogul Burscheid GmbH, Burscheid, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/00 (2006.01); C23C 14/06 (2006.01); C23C 16/26 (2006.01); C23C 30/00 (2006.01); F16J 9/26 (2006.01); C23C 28/04 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
C23C 14/0605 (2013.01); C23C 14/0641 (2013.01); C23C 16/26 (2013.01); C23C 28/044 (2013.01); C23C 28/046 (2013.01); C23C 28/42 (2013.01); C23C 30/005 (2013.01); F16J 9/26 (2013.01); Y10T 428/24975 (2015.01); Y10T 428/24983 (2015.01); Y10T 428/264 (2015.01); Y10T 428/265 (2015.01); Y10T 428/31678 (2015.04);
Abstract
A sliding element, in particular a piston ring, preferably made of cast iron or steel, has a coating which has a plurality of layers of CrN () and a-C:H:Me coatings () alternately. In a method for coating the sliding element, in particular a piston ring, preferably made of cast iron or steel, a plurality of layers of CrN and a-C:H:Me coatings are applied alternately.