Patent · US Active

Valve drive for an internal combustion engine

US10428698B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Patrick Altherr · Stuttgart, DE
Thorsten Ihne · Stuttgart, DE
Markus Walch · Bretten, DE

Key dates

Filing date	Mar 26, 2018
Grant date	Oct 1, 2019
Priority date	—
Expiry date	Mar 26, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2305/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A valve drive for an internal combustion engine may include a camshaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The camshaft may include at least one cam group. The at least one cam group may include a first cam and a second cam. The at least one cam follower may be drive-connected to the first cam in a first position and to the second cam in a second position. The at least one adjusting device may include a first adjustable engagement element and a second adjustable engagement element. alternately adjustable between a basic position and a switching position. The at least one control shaft may include at least one control element group including a first control element and a second control element adjustable to a switching element position and to a basic element position.

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