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:
Aug. 09, 2022
Filed:
Jul. 09, 2019
Applicant:
Federal-mogul Nurnberg Gmbh, Nuremberg, DE;
Inventor:
Sven Ungermann, Nuremberg, DE;
Assignee:
Federal-Mogul Nurnberg GmbH, Nuremberg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 3/00 (2006.01); F16J 9/20 (2006.01);
U.S. Cl.
CPC ...
F16J 9/206 (2013.01); F02F 3/00 (2013.01);
Abstract
A piston () for an internal combustion engine includes a groove () for an oil wiper ring and a recess () between the groove () and at least one shaft wall (). A lower edge of the groove (), which is closer to the shaft wall (), has a larger diameter than a lower edge of the recess ().