Patent · US Expired

Method, computer program control and regulating unit for operating an internal combustion engine, as well as an internal combustion engine

US7021261B2 · kind B2 · utility

7Cited by

10References

13Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Klaus Joos · Walheim, DE
Jens Wolber · Gerlingen, DE
Thomas Frenz · Nördlingen, DE
Markus Amler · Rutesheim, DE
Karsten Hinn · Gießen, DE

Key dates

Filing date	Sep 14, 2002
Grant date	Apr 4, 2006
Priority date	—
Expiry date	Sep 14, 2022

Classification

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

Abstract

In an internal combustion engine, the fuel is conveyed by an electrically driven fuel pump. The intake side of this pump is connected to a fuel tank and its outlet side is connected to a pressure region. A prerun of the electrically driven fuel pump may be performed before the startup of the internal combustion engine. In order to increase the service life of the fuel pump, an actual pressure (pactual) in the pressure region may be detected by a pressure sensor and the execution of the prerun be a function of at least the signal of the pressure sensor.

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