Patent · US Expired

Method for operating an internal combustion engine

US6745122B2 · kind B2 · utility

4Cited by

9References

2Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Jochen Burgdorf · Mühlheim am Main, DE
Bernhard Giers · Frankfurt am Main, DE
Peter Volz · Darmstadt, DE

Key dates

Filing date	Jul 12, 2002
Grant date	Jun 1, 2004
Priority date	—
Expiry date	Sep 2, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/34446
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for operating a multi-cylinder internal combustion engine having gas exchange valves which are variably adjustable with respect to the valve opening characteristics either directly electromagnetically or by way of an electrohydraulic valve actuation system which includes several electromagnetic valves. For adaptation of all gas exchange valves to a desired valve opening characteristics, the electromagnetic valves are operated cylinder-selectively in the operation of the internal combustion engine by means of variable actuating voltages and/or actuating currents.

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