Patent · US Expired

Soot-particle filter for after-treatment of the exhaust gases of diesel engines

US5265419A · kind A · utility

5Cited by

3References

8Claims

0Family size

Assignee

Mercedes-Benz Group AG · DE

Inventors

Horst Bergmann · Walldürn, DE
Helmut Daudel · Schorndorf, DE

Key dates

Filing date	Jan 27, 1993
Grant date	Nov 30, 1993
Priority date	—
Expiry date	Jan 27, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The invention relates to a soot-particle filter for after-treatment of the exhaust gases of diesel engines by oxidation and the supply of thermal energy. Exhaust-gas-permeable supporting tubes extend in a filter housing and have an applied catalytic filter winding, via which exhaust gases flow radially from outside to inside into the supporting tubes. An exhaust-gas-permeable insert with a catalytically effective surface is arranged in each supporting tube to thereby enhance the effectiveness of the filter without increasing its overall size.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.