Patent · US Active

Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGR

US9482128B2 · kind B2 · utility

4Cited by

12References

18Claims

0Family size

Assignee

UMICORE AG & CO. KG · DE

Inventors

Stephan Eckhoff · Alzenau, DE
Stefan Franoschek · Nettetal, DE
Frank Adam · Alzenau, DE

Key dates

Filing date	May 9, 2012
Grant date	Nov 1, 2016
Priority date	—
Expiry date	May 9, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method for regenerating nitrogen oxide storage catalytic converters and to a correspondingly adapted exhaust-gas purification system for lean-burn engines. In particular, the present invention relates to the regeneration of nitrogen oxide storage catalytic converters during special driving situations of the vehicle.

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