Patent · US Active

Valve drive for an internal combustion engine

US10641138B2 · 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 30, 2018
Grant date	May 5, 2020
Priority date	—
Expiry date	May 5, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2820/031
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A valve drive for an internal combustion engine may include a cam shaft, a cam follower, and an adjusting device. The cam shaft may include at least one first cam and at least one second cam The cam follower may be drivingly connected to the at least one first cam when in a first position and drivingly connected to the at least one second cam when in a second position. The adjusting device may include a first engagement element configured to cooperate with a first sliding guide and a second engagement element configured to cooperate with a second sliding guide. The first engagement element and the second engagement element may be adjustable between a switching position and an inactive position. The adjusting device may further include a joint actuator configured to adjust at least one of the first engagement element and the second engagement element into the switching position.

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