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:
Jun. 04, 2013
Filed:
Sep. 04, 2007
Markus Lettmann, Kieselbronn, DE;
Falk Schneider, Korntal-Münchingen, DE;
Markus Lettmann, Kieselbronn, DE;
Falk Schneider, Korntal-Münchingen, DE;
Mahle International GmbH, , DE;
Abstract
The present invention relates to an adjustable camshaft (), wherein inner and outer shafts () connected securely with cams () can be rotated relative to each other. In order to obtain this relative movement, at least one hydraulic adjusting device () is provided at one end of the camshaft (), wherein a rotor () is rotatable in relation to a stator (), and the rotor () and the stator () are each connected securely with one of the two shafts (). It is essential to the invention that the camshaft () is part of a prefabricated camshaft assembly, comprising at least the following components oriented relative to each other: camshaft () comprising inner shaft (), outer shaft (), cams () and adjusting device () and a chain wheel ().