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:
Mar. 04, 2014
Filed:
Apr. 18, 2011
Rainer Scharp, Vaihingen, DE;
Michael Ullrich, Moeglingen, DE;
Rainer Scharp, Vaihingen, DE;
Michael Ullrich, Moeglingen, DE;
MAHLE International GmbH, Stuttgart, DE;
Abstract
The present invention relates to a piston () for an internal combustion engine, having a first piston component () and a second piston component (), which jointly form a circumferential cooling channel () that is open toward the second piston component (), whereby the first piston component () forms at least a part of a piston crown () as well as an outer circumferential wall () of the cooling channel, characterized in that the outer circumferential wall () of the cooling channel () has a circumferential projection () below the piston crown (), which projection is provided with a circumferential guide surface () for coolant, directed radially inward.