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. 23, 2021
Filed:
Jun. 01, 2017
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Ulrich Bischofberger, Esslingen, DE;
Sascha-Oliver Boczek, Dielheim, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 3/18 (2006.01); F01P 3/10 (2006.01); F02F 3/00 (2006.01); F01P 3/12 (2006.01); F01P 3/20 (2006.01); F01P 3/06 (2006.01); F02B 23/00 (2006.01); F02F 3/22 (2006.01);
U.S. Cl.
CPC ...
F02F 3/18 (2013.01); F01P 3/10 (2013.01); F02F 3/0076 (2013.01); F02F 3/0084 (2013.01); F01P 3/06 (2013.01); F01P 3/12 (2013.01); F01P 3/20 (2013.01); F02B 23/00 (2013.01); F02F 3/00 (2013.01); F02F 3/22 (2013.01); F02F 2200/04 (2013.01);
Abstract
A piston of an internal combustion engine may include a piston shaft and a piston head. The piston head may be provided with a closed cooling channel with a cooling medium arranged therein. The piston shaft may have a spherically round cross-sectional shape, wherein a deviation from the roundness with respect to a piston diameter may be less than 0.5 per thousand.