Patent · US Expired

Method for operation of an internal combustion engine

US7174880B2 · kind B2 · utility

6Cited by

5References

10Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Henn · Lehre, DE
Martin Jehle · Regensburg, DE
Hong Zhang · Tegernheim, DE

Key dates

Filing date	Jan 5, 2004
Grant date	Feb 13, 2007
Priority date	—
Expiry date	Jan 5, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An internal combustion engine has an air intake tract which comprises at least one inlet pipe leading to one intake duct per cylinder of the internal combustion engine. It also has at least one exhaust gas duct per cylinder of the internal combustion engine, at least a first actuator which is disposed in an inlet pipe or in an intake duct or in an exhaust gas duct and influences the gas exchange in the respective cylinder.

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