EP 1098694 A1 20010516 - METHOD FOR REGENERATING AN NOx STORAGE CATALYST
Title (en)
METHOD FOR REGENERATING AN NOx STORAGE CATALYST
Title (de)
VERFAHREN ZUR REGENERATION EINES NOx-SPEICHERKATALYSATORS
Title (fr)
PROCEDE DE REGENERATION D'UN CATALYSEUR ACCUMULATEUR DE NOx
Publication
Application
Priority
- DE 9901907 W 19990701
- DE 19830829 A 19980709
Abstract (en)
[origin: DE19830829C1] A criterion for determining whether the quantity of a regeneration agent being supplied to the NOx storage catalyst in a regeneration phase must be modified in order to achieve optimum efficiency of the emissions control system is derived from the time characteristic of the output signal (US) of a measuring sensor connected downstream of the NOx storage catalyst, during and after the regeneration phase. Said output signal (US) is picked off on two electrodes on the amperometric NOx measuring sensor and shows the two-point behaviour which is necessary for the method.
IPC 1-7
IPC 8 full level
B01D 53/86 (2006.01); B01D 53/94 (2006.01); F01N 3/08 (2006.01); F01N 3/18 (2006.01); F01N 3/20 (2006.01); F01N 3/24 (2006.01); F02D 41/02 (2006.01); F02D 41/04 (2006.01); F02D 41/14 (2006.01); F02D 45/00 (2006.01); G01N 27/419 (2006.01); G01N 27/49 (2006.01)
CPC (source: EP US)
F01N 3/0842 (2013.01 - EP US); F02D 41/0275 (2013.01 - EP US); F02D 41/1454 (2013.01 - EP US); F02D 41/146 (2013.01 - EP US); F02D 41/1463 (2013.01 - EP US); F01N 2570/04 (2013.01 - EP US); Y10T 436/12 (2015.01 - EP US)
Citation (search report)
See references of WO 0002648A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19830829 C1 19990408; DE 59908818 D1 20040415; EP 1098694 A1 20010516; EP 1098694 B1 20040310; JP 2002520530 A 20020709; US 2001002539 A1 20010607; US 6385966 B2 20020514; WO 0002648 A1 20000120
DOCDB simple family (application)
DE 19830829 A 19980709; DE 59908818 T 19990701; DE 9901907 W 19990701; EP 99942726 A 19990701; JP 2000558904 A 19990701; US 75733001 A 20010109