Patent · US Active

Valve drive for an internal combustion engine

US10539050B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

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

Key dates

Filing date	Mar 30, 2018
Grant date	Jan 21, 2020
Priority date	—
Expiry date	Mar 30, 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, and at least one adjusting device. The camshaft may include at least one cam group including a first cam and a second cam. The at least one adjusting device may include a first adjustable engagement element configured to contact a first guide and a second adjustable engagement element configured to contact a second guide of a slotted guide The at least one adjusting device may further include a stop arrangement axially shiftable relative to a rocker lever shaft. The stop arrangement may include a first stop region and a second stop region. At least one of the first engagement element and the second engagement element may be adjustable via the first stop region and the second stop region, respectively, when the stop arrangement is shifted along the rocker lever shaft.

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