Method and device for monitoring a fuel-metering system

US5945596A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Rainer Burkel · Le Chesnay, FR
• Bernhard Bronkal · Alsdorf, DE
• Jurgen Biester · Böblingen, DE
• Martin Grosser · Stuttgart, DE
• Rainer Ottinger · Wiernsheim, DE
• Wilhelm Eyberg · Leonberg, DE
• Lutz-Martin Fink · Asperg, DE

Key dates

• Filing date: Apr 21, 1997
• Grant date: Aug 31, 1999
• Expiry date: Apr 21, 2017

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02D2250/31
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method and a device for monitoring a fuel-metering system, in particular a common-rail system for a diesel fuel engine. A defect is recognized on the basis of an output signal from a structure-borne noise sensor.