Global Patent Index - EP 1766201 A1

EP 1766201 A1 20070328 - REDUCTANT ADDITION IN EXHAUST SYSTEM COMPRISING NOX-ABSORBENT

Title (en)

REDUCTANT ADDITION IN EXHAUST SYSTEM COMPRISING NOX-ABSORBENT

Title (de)

REDUKTIONSMITTELZUGABE IN EIN EIN NOX-ABSORPTIONSMITTEL UMFASSENDES ABGASSYSTEM

Title (fr)

ADDITION D'UN AGENT REDUCTEUR DANS UN SYSTEME D'ECHAPPEMENT COMPRENANT UN ABSORBEUR DE NOX

Publication

EP 1766201 A1 20070328 (EN)

Application

EP 05756418 A 20050616

Priority

  • GB 2005002373 W 20050616
  • GB 2004002643 W 20040618
  • GB 0428289 A 20041224

Abstract (en)

[origin: WO2005124114A1] An exhaust system for a vehicular lean-burn internal combustion engine comprises a NOX-absorbent, a reductant injector (78) disposed upstream of the NOX-absorbent and means (50), when in use, for controlling reductant addition, wherein the reductant addition control means supplies reductant to the NOX-absorbent at all vehicle speeds in a duty cycle at a rate which is predetermined to correlate with a desired NOX conversion at the average duty cycle speed of the vehicle.

IPC 8 full level

F01N 3/02 (2006.01); F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01)

CPC (source: EP KR)

F01N 3/02 (2013.01 - KR); F01N 3/08 (2013.01 - KR); F01N 3/0821 (2013.01 - EP); F01N 3/0842 (2013.01 - EP); F01N 3/20 (2013.01 - KR); F01N 3/206 (2013.01 - EP); F01N 9/00 (2013.01 - EP KR); F01N 11/002 (2013.01 - EP); F02D 41/1439 (2013.01 - EP); F01N 2550/03 (2013.01 - EP); Y02A 50/20 (2017.12 - EP); Y02T 10/40 (2013.01 - EP)

Citation (search report)

See references of WO 2005124114A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005124114 A1 20051229; EP 1766201 A1 20070328; JP 2008502843 A 20080131; KR 20070020138 A 20070216

DOCDB simple family (application)

GB 2005002373 W 20050616; EP 05756418 A 20050616; JP 2007516039 A 20050616; KR 20077001075 A 20070116