Catalytic diesel soot filter

US4929581A · kind A · utility

Assignee

• Dornier System GmbH

Inventors

• Juergen Steinwandel · Überlingen, DE
• Juergen Haas · Knittlingen, DE
• Carsten Plog · Markdorf, DE

Key dates

• Filing date: May 16, 1988
• Grant date: May 29, 1990
• Expiry date: May 16, 2008

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02B3/06
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Subject of the invention is a diesel-soot filter with catalytically-active coating for reducing the ignition temperature of the diesel-soot deposited on a filter, the active substance of the coating being a metal-doped zeolite.