Patent · US Active

Procedure to operate a fuel system of an internal combustion engine

US7481202B2 · kind B2 · utility

2Cited by

9References

19Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andreas Posselt · Rochlitz, DE
Marko Lorenz · Bornsteiner Straße, DE
Marcel Matischok · Stuttgart, DE

Key dates

Filing date	Jun 28, 2007
Grant date	Jan 27, 2009
Priority date	—
Expiry date	Jun 28, 2027

Classification

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

Abstract

In the operation of a fuel system of an internal combustion engine, the fuel is compressed by a fuel pump and travels by way of at least one fuel injection device into at least one combustion chamber of the internal combustion engine. It is proposed that at least periodically during a phase immediately when starting or just after starting the internal combustion engine, the fuel pump is actuated corresponding to an increased set point pressure. An increase in the set point pressure, however, is blocked if at least one blocking condition is met.

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