Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method

US7765797B2 · kind B2 · utility

Assignee

• Daimler AG · DE

Inventors

• Frank Duvinage · Kirchheim unter Teck, DE
• Christian Goerigk · Hemmingen, DE
• Berthold Keppeler · Owen, DE
• Arno Nolte · Stuttgart, DE
• Markus Paule · Bad Marienberg, DE
• Joachim Schommers · Backnang, DE

Key dates

• Filing date: Nov 27, 2004
• Grant date: Aug 3, 2010
• Expiry date: Nov 27, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

An exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and an associated operating method. In particular, an exhaust gas purification system for a motor vehicle, for which predetermined maintenance intervals is provided. The system includes a reducing agent storage tank for storing a reducing agent intended for exhaust gas purification. A method for operating a motor vehicle having an exhaust gas purification system and a reducing agent storage tank for storing a reducing agent intended for the exhaust gas purification, which comprises predetermined maintenance work after predetermined maintenance intervals is also provided.