Patent · US Active

Method for metering fuel into combustion chambers of an internal combustion engine

US7881855B2 · kind B2 · utility

5Cited by

9References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Jens Damitz · Mühlacker, DE
Matthias Schueler · Steinheim, DE
Christian Mader · Gerlingen, DE
Michael Kessler · Rutesheim, DE
Vincent Dautel · Stuttgart, DE
Arvid Sievert · Eßlingen, DE

Key dates

Filing date	Nov 16, 2006
Grant date	Feb 1, 2011
Priority date	—
Expiry date	Nov 6, 2027

Classification

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

Abstract

A method and control unit for metering fuel into at least one combustion chamber of an internal combustion engine comprising at least one pilot injection and one main injection per combustion cycle, combustion features being detected and an effect of a fuel quantity injected prior to the main injection being ascertained from the combustion features. An actual value of a combined effect of at least two pilot injections per combustion cycle is ascertained and the actual value is regulated to a setpoint value via an intervention on at least one of the pilot injections.

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