Method and device for monitoring an exhaust gas treatment system

US7082752B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Holger Plote · Fellbach, DE
• Andreas Krautter · Steinheim, DE
• Michael Walter · Kornwestheim, DE
• Juergen Sojka · Gerlingen, DE

Key dates

• Filing date: Feb 26, 2002
• Grant date: Aug 1, 2006
• Expiry date: Oct 15, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/40
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A method and a device for monitoring an exhaust gas aftertreatment system, in particular an oxidation catalytic converter, are described. An error is recognized if an operating parameter does not change as expected, when a particular operating state is present.