Patent · US Active

Emissions treatment system with lean NOx trap

US9453443B2 · kind B2 · utility

5Cited by

7References

19Claims

0Family size

Assignee

BASF SE

Inventors

Sanath Kumar · Woodbridge, US
Stanley A. Roth · Yardley, US

Key dates

Filing date	Mar 19, 2010
Grant date	Sep 27, 2016
Priority date	—
Expiry date	Apr 25, 2034

Classification

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

Abstract

Systems and methods for abating NOx in an exhaust stream are provided. System using a lean NOx trap, an air injector and optional catalysts and filters are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.

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