Patent · US Active

Method for operating a fuel injection system

US9429093B2 · kind B2 · utility

5Cited by

2References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Lars Empacher · Stuttgart, DE
Rene Zieher · Edingen-Neckarhausen, DE
Stephan Olbrich · Stuttgart, DE
Michael Schenk · Ludwigsburg, DE

Key dates

Filing date	Oct 4, 2013
Grant date	Aug 30, 2016
Priority date	—
Expiry date	Sep 15, 2034

Classification

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

Abstract

A fuel injection system for an internal combustion engine in which pressurized fuel is made available in a pressure accumulator and a fuel pressure prevailing in the pressure accumulator is ascertained with the aid of a pressure sensor and in which the fuel enters a combustion chamber of the internal combustion engine through at least one fuel injection device. A slope of a curve, which links a pressure difference in the pressure accumulator during a fuel injection to an injected fuel quantity, is ascertained and the fuel pressure prevailing in the pressure accumulator is inferred from the slope.

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