Patent · US Expired

Process for controlling the warm-up in an internal combustion engine

US5722371A · kind A · utility

3Cited by

5References

5Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Helmut Denz · Stuttgart, DE
Martin Klenk · Munich, DE
Werner Herden · Gerlingen, DE
Hubert Bischof · Lambach, DE
Albert Gerhard · Tamm, DE
Matthias Kuesell · Kornwestheim, DE

Key dates

Filing date	Oct 10, 1996
Grant date	Mar 3, 1998
Priority date	—
Expiry date	Oct 10, 2016

Classification

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

Abstract

In a process for controlling the warm-up in an internal combustion engine, the combustion chamber pressure is evaluated, so that the warm-up period is divided into first and second phases that are controlled differently.

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