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:
Jul. 29, 2014
Filed:
Jan. 30, 2009
Piston for internal combustion engines, produced by means of a multi-orbital friction welding method
Michael Albert Janssen, Mosbach, DE;
Gerhard Luz, Nordheim, DE;
Volker Gniesmer, Alfed, DE;
Steffen Stork, Sersheim, DE;
Martin Weissert, Nordheim, DE;
Michael Albert Janssen, Mosbach, DE;
Gerhard Luz, Nordheim, DE;
Volker Gniesmer, Alfed, DE;
Steffen Stork, Sersheim, DE;
Martin Weissert, Nordheim, DE;
KS Kolbenschmidt GmbH, Neckarsulm, DE;
Abstract
A method for producing a piston of an internal combustion engine, designed as a one-piece cooling channel piston. The piston includes an upper part and a lower part supported by corresponding circumferential joining bosses together forming a joining zone. In order to produce a bonded joint of the upper part and the lower part, the joining bosses are connected by means of multiorbital friction welding in the region of a rotationally symmetrical or rotationally asymmetrical joining zone.