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:
Nov. 03, 2009
Filed:
Jan. 13, 2006
Markus Lettmann, Kieselbronn, DE;
Roland Schacherer, Geisingen, DE;
Falk Schneider, Korntal-Münchingen, DE;
Markus Lettmann, Kieselbronn, DE;
Roland Schacherer, Geisingen, DE;
Falk Schneider, Korntal-Münchingen, DE;
Mahle International GmbH, Stuttgart, DE;
Abstract
The aim of the invention is to provide a reliable and inexpensive camshaft wherein the inner shaft and the outer shaft can be adjusted in a low-friction manner. For this purpose, a camshaft with cams that can be rotated in relation to each other, wherein at least one first cam () is rotatably received on the outer shaft (), is permanently connected to the inner shaft () via at least one radial opening in the outer shaft (). Means () for connecting a camshaft rotational drive are provided at the axial ends of the camshaft. The camshaft is also provided with a rotational drive () exerting radial supporting forces onto the camshaft.