Method and device for selective catalytic NOx reduction

US6387336B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Armin Marko · Stuttgart, DE
• Thomas Wahl · Pforzheim, DE
• Ulrich Alkemade · Leonberg, DE
• Frank Brenner · Waiblingen, DE
• Marc Bareis · Markgröningen, DE
• Horst Harndorf · Schwieberdingen, DE

Key dates

• Filing date: May 6, 1999
• Grant date: May 14, 2002
• Expiry date: May 6, 2019

Classification

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

Abstract

In a method and device for selective catalytic NOx reduction in oxygen-containing exhaust gases using ammonia and a reduction catalyst, gaseous ammonia is made available by heating a solid storage medium in a container. The method and device are suitable for use in motor vehicles in particular.