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:
Oct. 20, 2015
Filed:
Mar. 04, 2014
Mahle International Gmbh, Stuttgart, DE;
Helmut Edel, Rottweil, DE;
Andreas Seeger-Van Nie, Winterbach, DE;
Volker Weisse, Stuttgart, DE;
Achim Fedyna, Westhausen, DE;
Christian Peschke, Stuttgart, DE;
Rainer Scharp, Vaihingen, DE;
MAHLE International GmbH, Stuttgart, DE;
Abstract
A piston for an internal combustion engine, having a piston base body, a piston ring element having at least an inner region of a piston crown, and a piston skirt. The piston is provided with pin bosses having pin bores and the ring element has at least an outer region of a piston crown having a circumferential top land and a circumferential ring belt provided with ring grooves. The piston base body and piston ring element are joined together by way of corresponding, conical joining surfaces configured on them.