Internal combustion engine valve train adjustment device

US9631523B2 · kind B2 · utility

Assignee

• Daimler AG · DE

Inventors

• Matthias Eppinger · Oderberg, DE
• Kai Lehmann · Ludwigsfelde, DE
• Marc Maronde · Berlin, DE
• Bernd Neubauer · Welzheim, DE
• Tilmann Roemheld · Waiblingen, DE
• Thomas Stolk · Tauberbischofsheim, DE
• Alexander Von Gaisberg-Helfenberg · Beilstein, DE

Key dates

• Filing date: Jan 29, 2013
• Grant date: Apr 25, 2017
• Expiry date: Mar 3, 2033

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01L2013/0052
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A device for adjusting a motor vehicle valve train includes at least one camshaft with at least four cam elements arranged in an axially displaceable manner. In each case two of the cam elements that are adjacently situated are formed as a cam element group to be switched together.