Patent · US Active

Valve drive for an internal combustion engine

US7963261B2 · kind B2 · utility

2Cited by

2References

5Claims

0Family size

Assignee

Schaeffler KG · DE

Inventors

Stephan Mock · Pretzfeld, DE
Arndt Ihlemann · Herzogenaurach, DE

Key dates

Filing date	Jun 29, 2006
Grant date	Jun 21, 2011
Priority date	—
Expiry date	Mar 5, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/20882
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A drive valve for an internal combustion engine comprising a variable hub profile for a valve having a lever supported on a variable support point by means of a switchable support element which provides possibilities for influencing the hub profile and alternatively and cumulatively, the cam is axially displaced such that various cam paths are active on the lever.

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