Patent · US Active

Motor vehicle valve train adjustment device

US9404396B2 · kind B2 · utility

2Cited by

1References

8Claims

0Family size

Assignee

DAIMER 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	Sep 8, 2014
Grant date	Aug 2, 2016
Priority date	—
Expiry date	Sep 24, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L13/0036
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a motor vehicle valve train adjustment device comprising at least one camshaft with at least two axially displaceable cam elements wherein at least one cam element has a cam track with a valve lift and a cam track with zero valve lift for a deactivation of at least one cylinder, and at least one other cam element of the at least two axially displaceable cam elements has a cam track with a first valve lift and a cam track with a second valve lift by which a cylinder which remains fueled during a partial cylinder deactivation is adapted to the at least one cylinder deactivation by special valve lift characteristics.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.