Patent · US Expired

Method for controlling an inlet valve of an internal combustion engine

US7165519B2 · kind B2 · utility

0Cited by

6References

7Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Bernhard Heel · Lauterbourg, FR
Bernhard Jutz · Feldkirch, AT
Oliver Marx · Wolfstein, DE
Rudiger Pfaff · Stuttgart, DE
Timo Schmidt · Stuttgart, DE

Key dates

Filing date	Aug 19, 2005
Grant date	Jan 23, 2007
Priority date	—
Expiry date	Aug 19, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a method for controlling an inlet valve of an internal combustion engine having at least one cylinder with at least a first inlet valve and a second inlet valve, wherein the closing time of the first inlet valve is adjustable and the first inlet valve is so controlled that, at a first engine speed, the first inlet valve is closed before the closing of the second inlet valve and, at a second engine speed which is higher than the first engine speed, the first inlet valve is closed after the closing time of the second inlet valve.

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