Patent · US Expired

Method and apparatus for regenerating a soot filter of internal combustion engines

US4698966A · kind A · utility

10Cited by

3References

5Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Robert Distel · Munich, DE
Peter Kugland · Friedberg, DE

Key dates

Filing date	Mar 14, 1984
Grant date	Oct 13, 1987
Priority date	—
Expiry date	Mar 14, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A method for regenerating a soot filter of internal combustion engines, especially of diesel intenal combustion engines, and apparatus for carrying out the method in which a soot burning-off operation if initiated in predetemined intervals; the intervals are determined by an operating parameter of the internal combustion engine itself which results from the sum of a characteristic magnitude variable toward both sides.

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