Patent · US Expired

Process and apparatus for the cleaning of a soot filter

US5001899A · kind A · utility

27Cited by

3References

16Claims

0Family size

Assignee

Zeuna-Starker GmbH & Co. KG · DE

Inventors

Enrique Santiago · Augsburg, DE
Peter Kugland · Friedberg, DE
Alois Ullmer · Augsburg, DE

Key dates

Filing date	Jun 20, 1988
Grant date	Mar 26, 1991
Priority date	—
Expiry date	Jun 20, 2008

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B3/06
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A method and apparatus for cleaning of a soot filter in the exhaust line of a diesel engine with a combustion chamber placed in front of the soot filter where a fuel nozzle and an adapted electrical ignition mechanism is built in thereby enabling an after burning of the exhaust without secondary air. The exhaust in the combustion-chamber is mixed with the fuel, which is injected through the fuel nozzle, and ignited by an ignition-device with the existing portion of the unburned oxygen. The hot exhaust effects the burn down of the accumulated soot in the soot filter.

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