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. 11, 2007
Filed:
Jul. 19, 2006
Applicants:
Johannes Leweux, Esslingen, DE;
Wolfgang Pellkofer, Herrieden, DE;
Harald Pfeffinger, Tiefenbronn, DE;
Inventors:
Johannes Leweux, Esslingen, DE;
Wolfgang Pellkofer, Herrieden, DE;
Harald Pfeffinger, Tiefenbronn, DE;
Assignee:
DaimlerChrysler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/20 (2006.01); F01M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an internal combustion engine for a motor vehicle, having a piston bearing surface divided into regions of different loading and having recesses for retaining lubricant arranged at distances which are shorter in regions of high loading than in regions of lower loading in a region with high loading, the distance between the recesses decreases from one recess to the next in the direction toward top dead center area with the smallest distance being at the top dead center position of the piston.