Patent · US Active

Variable valve drive with a sliding cam system for an internal combustion engine

US10634014B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

MAN Truck &Bus AG · DE

Inventors

Thomas Malischewski · Heilsbronn, DE
Steffen Hirschmann · Neustadt an der Aisch, DE
Dominic Hyna · Fürth, DE

Key dates

Filing date	Mar 1, 2019
Grant date	Apr 28, 2020
Priority date	—
Expiry date	Mar 1, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02D13/0246
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A variable drive for an internal combustion engine with a first gas exchange valve, in particular outlet valve, and a second gas exchange valve, in particular outlet valve. The variable valve drive has a sliding cam system. The sliding cam system has an axially displaceable cam carrier which, for the first gas exchange valve, has only two cams, namely a first cam and a second cam offset axially with respect thereto, and, for the second gas exchange valve, has only two cams, namely a third cam and a fourth cam offset axially with respect thereto. The first cam, the second cam, the third cam and the fourth cam differ from a zero lift cam. The first cam and the third cam are identical in design. The second cam and the fourth cam differ in design.

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