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. 19, 2013
Filed:
Feb. 01, 2010
Harald Elendt, Altendorf, DE;
Lars Pfutzenreuter, Werdohl, DE;
Detlef Axmacher, Iserlohn, DE;
Andreas Nendel, Hessdorf, DE;
Markus Schnepp, Werdohl, DE;
Mathias Boegershausen, Puschendorf, DE;
Heiko Schmidt, Muhlhausen, DE;
Harald Elendt, Altendorf, DE;
Lars Pfutzenreuter, Werdohl, DE;
Detlef Axmacher, Iserlohn, DE;
Andreas Nendel, Hessdorf, DE;
Markus Schnepp, Werdohl, DE;
Mathias Boegershausen, Puschendorf, DE;
Heiko Schmidt, Muhlhausen, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A valve drive of an internal combustion engine is provided, having a camshaft () which includes a carrier shaft () and a cam part (), which is arranged thereon in a rotationally fixed manner and displaceable between two axial positions and which has at least one cam group of directly adjoining cams () having different cam elevations and an axial gate () having two cam tracks () that extend axially along the circumference in opposing directions, and further having an actuating element () that can be coupled to the axial gate for displacing the cam part in the direction of both cam tracks. The cam tracks are arranged one behind the other in the circumferential direction of the axial gate ().