Patent · US Active

Method for ascertaining an error in a fuel metering unit of an injection system

US8733323B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andreas Mueller · Kaufbeuren, DE
Andreas Sommerer · Weingarten, DE
Bernd-Dietmar Becker · Berlin, DE

Key dates

Filing date	Jun 18, 2007
Grant date	May 27, 2014
Priority date	—
Expiry date	Aug 24, 2031

Classification

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

Abstract

A method for ascertaining an error in a fuel metering unit of an injection system for an internal combustion engine, wherein the gradients of a first signal representing a physical variable and of a second signal representing a physical variable are determined, and at a predefined magnitude and/or direction of the two gradients an error is recognized.

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