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. 18, 2015
Filed:
Sep. 23, 2011
Applicant:
Sascha-oliver Boczek, Dielheim, DE;
Inventor:
Sascha-Oliver Boczek, Dielheim, DE;
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/09 (2006.01); B23K 37/04 (2006.01); B23P 15/10 (2006.01); F02F 3/00 (2006.01); F02F 3/22 (2006.01); B23K 37/053 (2006.01); B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
B23K 37/0435 (2013.01); B23K 20/129 (2013.01); B23K 37/053 (2013.01); B23P 15/10 (2013.01); F02F 3/003 (2013.01); F02F 3/22 (2013.01); F02F 2003/0061 (2013.01);
Abstract
A piston may include a piston upper part and a piston lower part. The piston upper part may be welded via a contact surface with the piston lower part forming a cooling duct therebetween. The cooling duct may define an inlet opening and an outlet opening extending from the piston lower part in the cooling duct. A welding bead may be formed within the cooling duct at each of the inlet opening and the outlet opening.