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:
Feb. 27, 2018
Filed:
May. 05, 2016
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Jason Bieneman, Ann Arbor, MI (US);
Nikhil Nachappa, Dearborn, MI (US);
Assignee:
MAHLE International GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 3/14 (2006.01); F02F 3/26 (2006.01); C01B 21/064 (2006.01); C09D 5/16 (2006.01); B05D 1/18 (2006.01); B05D 1/02 (2006.01); B41F 15/08 (2006.01);
U.S. Cl.
CPC ...
F02F 3/14 (2013.01); C01B 21/064 (2013.01); C09D 5/1618 (2013.01); C09D 5/1662 (2013.01); F02F 3/26 (2013.01); B05D 1/02 (2013.01); B05D 1/18 (2013.01); B41F 15/0895 (2013.01);
Abstract
A piston having a piston crown with a combustion chamber, and a circumferential ring belt extending from the piston crown and having a plurality of ring grooves separated by piston lands. At least one of the piston lands, ring grooves or top surface of the crown is provided with a coating comprising hexagonal boron nitride. The coating can be made solely of hexagonal boron nitride, or can additionally include a resin. The coating can be a single layer coating or a multiple layer coating.