Electrically regenerable diesel particulate trap

US5258164A · kind A · utility

Assignee

• Minnesota Mining and Manufacturing Company · US

Inventors

• Richard L. Bloom · Woodville, US
• William T. Fay · Woodbury, US
• Joel H. Sabean · Windom, US
• Mark Smith · Coon Rapids, US

Key dates

• Filing date: Apr 5, 1991
• Grant date: Nov 2, 1993
• Expiry date: Apr 5, 2011

Classification

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

Abstract

An electrically regenerable diesel particulate trap or filter comprising an electrically resistive expanded metal sheet or sleeve which when energized heats the filter element to a temperature sufficient to allow the trapped soot particulates to burn.