Patent · US Active

Exhaust gas after treatment system (EATS)

US8640443B2 · kind B2 · utility

2Cited by

1References

20Claims

0Family size

Assignee

VOLVO LASTVAGNAR AB · SE

Inventors

Lennart Andersson · Båstad, SE
Lucas Megas · Handen, SE
Jonas Edvardsson · Timrå, SE
Carl-Johan Karlsson · Handen, SE
Anders Tuomivaara · Handen, SE
Jonas Jansson · Handen, SE

Key dates

Filing date	Feb 21, 2008
Grant date	Feb 4, 2014
Priority date	—
Expiry date	Jun 7, 2029

Classification

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

Abstract

An exhaust gas after treatment system includes a diesel particulate filter unit arranged downstream of a diesel engine, a NO2 reduction catalyst arranged downstream of said diesel particulate filter, a selective catalytic reduction (SCR) arrangement arranged downstream of said NO2 reduction catalyst, a first injector for feeding reducing agent into the exhaust gas arranged downstream said particulate filter and upstream said NO2 reduction catalyst, a second injector for feeding reducing agent into the exhaust gas arranged downstream said NO2 reduction catalyst and upstream said selective catalytic reduction (SCR) arrangement. An exhaust gas after treatment method is also provided.

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