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:
Mar. 14, 2017

Filed:

Oct. 07, 2015
Applicant:

Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr, Berlin, DE;

Inventors:

Heiko Neukirchner, Chemnitz, DE;

Andreas Werler, Zwickau, DE;

Uwe Richter, Chemnitz, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/02 (2006.01); F01L 1/26 (2006.01); F01L 1/047 (2006.01);
U.S. Cl.
CPC ...
F01L 1/267 (2013.01); F01L 1/047 (2013.01);
Abstract

A device for a valve train for switching over the lift of gas-exchange valves of an internal combustion engine comprising a camshaft on which at least one cam carrier with at least three different cam profiles is mounted so as to be non-rotatable and axially movable. The device includes an adjustment shaft arranged parallel to the camshaft and on which a first transmission element is mounted so as to be non-rotatable and axially movable, the first transmission element having a guide unit, a housing-fixed first guide element operatively connected to the guide unit, a second guide element operatively connected, on the one hand, to the guide unit and, on the other hand, to the cam carrier via a second transmission element, the second transmission element being connected to the cam carrier so as to be axially unmovable, and a push element operatively connected to the first transmission element.


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