Process and device for monitoring a fuel delivery system

US5816220A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Gerhard Stumpp · Stuttgart, DE
• Johannes Locher · Stuttgart, DE
• Claus Maier · Ludwigsburg, DE
• Jurgen Biester · Böblingen, DE
• Werner Teschner · Echterdingen, DE
• Wilhelm Eyberg · Leonberg, DE
• Jochen Neumeister · Stuttgart, DE

Key dates

• Filing date: Apr 30, 1997
• Grant date: Oct 6, 1998
• Expiry date: Apr 30, 2017

Classification

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

Abstract

In a process and in a device for monitoring a fuel delivery system, in particular a common rail system for a diesel engine, a defect in the delivery system is found when a signal from a temperature sensor and/or a pressure sensor deviates from a predetermined value.