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:
Sep. 20, 2016
Filed:
Jul. 18, 2008
Applicants:
Steffen Hoppe, Overath, DE;
Manfred Fischer, Leichlingen, DE;
Christiane Bauer, Burscheid, DE;
Ralf Lammers, Wermelskirchen, DE;
Inventors:
Steffen Hoppe, Overath, DE;
Manfred Fischer, Leichlingen, DE;
Christiane Bauer, Burscheid, DE;
Ralf Lammers, Wermelskirchen, DE;
Assignee:
Federal-Mogul Burscheid GmbH, Burscheid, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); C23C 14/06 (2006.01); C23C 4/10 (2016.01); C23C 30/00 (2006.01); C23C 28/04 (2006.01);
U.S. Cl.
CPC ...
C23C 14/0641 (2013.01); C23C 4/10 (2013.01); C23C 28/044 (2013.01); C23C 28/048 (2013.01); C23C 30/00 (2013.01);
Abstract
In order to avoid burn traces on piston rings, it is proposed to provide the piston ring with a wear-protection coating which consists of a material with a thermal conductivity of at least 180 W/(m·K). At least 5% vol. of the wear-protection coating consists of aluminum nitride.