Patent · US Active

Valve drive for an internal combustion engine

US10428701B2 · kind B2 · utility

0Cited by

2References

14Claims

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 cam shaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The cam shaft may include at least one cam group that may include a first cam and a second cam The at least one adjusting device may include a first adjustable engagement element and a second adjustable engagement element. The at least one control shaft may include at least one control cam group that may include a first control cam and a second control cam. The first control cam may include a cam lobe corresponding to the first engagement element and the second control cam may include a cam lobe corresponding to the second engagement element. The at least one control shaft may be rotatable about a longitudinal axis between a starting position and a rotational position.

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