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.

Date of Patent:
Jul. 12, 2016

Filed:

Jul. 18, 2013
Applicant:

Mahle International Gmbh, Stuttgart, DE;

Inventors:

Markus Lettmann, Kieselbronn, DE;

Ralf Rieger, Tamm, DE;

Falk Schneider, Korntal-Muenchingen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/04 (2006.01); F01L 1/047 (2006.01); B23P 11/02 (2006.01); B23K 26/00 (2014.01); B21D 53/84 (2006.01);
U.S. Cl.
CPC ...
F01L 1/047 (2013.01); B23K 26/0078 (2013.01); B23P 11/025 (2013.01); B21D 53/845 (2013.01); B23P 2700/02 (2013.01);
Abstract

A camshaft for an internal combustion engine may include a shaft and at least one component thermally joined thereto. The at least one component may be connected via a component-side joining face to a shaft-side joining face of the shaft. At least one of the component-side joining face and the shaft-side joining face may include a predefined roughness introduced and hardened via a laser. The predefined roughness may define at least one track composed of a plurality of individual laser spots. Each of the plurality of individual laser spots may include a center point arranged offset to each other. The plurality of individual laser spots may respectively be arranged to overlapping each other.


Find Patent Forward Citations

Loading…