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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.:

US 10428701 B1

PDFFull Text
Date of Patent:
Oct. 01, 2019

Filed:

Mar. 26, 2018

Valve drive for an internal combustion engine

Applicant:

Mahle International Gmbh, Stuttgart, DE;

Inventors:

Patrick Altherr, Stuttgart, DE;

Thorsten Ihne, Stuttgart, DE;

Markus Walch, Bretten, DE;

Assignee:

Mahle International GmbH, , DE;

Attorney:

Fishman Stewart PLLC

Primary Examiner:

Jorge L Leon, Jr

Int. Cl.
CPC ...
F01L 13/00 (2006.01); F01L 1/047 (2006.01); F01L 1/22 (2006.01); F01L 1/04 (2006.01); F01L 1/053 (2006.01); F01L 1/12 (2006.01); F01L 1/18 (2006.01); F01L 1/02 (2006.01); F01L 1/26 (2006.01);
U.S. Cl.
CPC ...
F01L 13/0005 (2013.01); F01L 1/04 (2013.01); F01L 1/047 (2013.01); F01L 1/053 (2013.01); F01L 1/12 (2013.01); F01L 1/181 (2013.01); F01L 1/22 (2013.01); F01L 13/00 (2013.01); F01L 13/0036 (2013.01); F01L 1/024 (2013.01); F01L 1/026 (2013.01); F01L 1/267 (2013.01); F01L 2013/001 (2013.01); F01L 2013/0052 (2013.01); F01L 2013/10 (2013.01); F01L 2105/00 (2013.01);
Abstract

A valve drive for an internal combustion engine may include a cam shaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The cam shaft may include at least one cam group that may include a first cam and a second cam The at least one adjusting device may include a first adjustable engagement element and a second adjustable engagement element. The at least one control shaft may include at least one control cam group that may include a first control cam and a second control cam. The first control cam may include a cam lobe corresponding to the first engagement element and the second control cam may include a cam lobe corresponding to the second engagement element. The at least one control shaft may be rotatable about a longitudinal axis between a starting position and a rotational position.

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