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:
May. 13, 2014
Filed:
Dec. 03, 2010
Applicants:
Ulrich Bischofberger, Esslingen, DE;
Stefan Gaiselmann, Stuttgart, DE;
Inventors:
Ulrich Bischofberger, Esslingen, DE;
Stefan Gaiselmann, Stuttgart, DE;
Assignee:
MAHLE International GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a cylinder sleeve () having an outer mantle surface () that has a surface structure (). According to the invention, it is provided that the mantle surface () is provided with elevations (), that each elevation () has at least one rounded area () in the region of its base (B), that some of the elevations () have at least one undercut (), and that at least one elevation () without undercut is disposed between two elevations () with undercut ().