Global Patent Index - EP 1212522 A1

EP 1212522 A1 20020612 - METHOD AND DEVICE FOR TREATING EXHAUST GASES PRODUCED BY AN INTERNAL COMBUSTION ENGINE

Title (en)

METHOD AND DEVICE FOR TREATING EXHAUST GASES PRODUCED BY AN INTERNAL COMBUSTION ENGINE

Title (de)

VERFAHREN UND VORRICHTUNG ZUR ABGASNACHBEHANDLUNG DES VON EINEM VERBRENNUNGSMOTOR ERZEUGTEN ABGASES

Title (fr)

PROCEDE DE POST-TRAITEMENT DE GAZ D'ECHAPPEMENT PRODUITS PAR UN MOTEUR A COMBUSTION INTERNE

Publication

EP 1212522 A1 20020612 (DE)

Application

EP 00969193 A 20000818

Priority

  • DE 0002833 W 20000818
  • DE 19939807 A 19990821

Abstract (en)

[origin: DE19939807A1] The invention relates to a method and a device for the post-treatment of exhaust gases from an internal combustion engine (1), especially in a motor vehicle. The invention is characterized in that the following devices are provided: a hydrolysis unit (10) and a dosage device (15) connected to said hydrolysis unit via a hydrogen line (17) for the dosed introduction of hydrogen to the crude exhaust gas (A) and/or to exhaust gas treated by an oxidation catalyst (3), in addition to a control/regulating unit (18) which is functionally connected to the hydrolysis unit (10) and the dosing device (15) in order to control or regulate hydrogen generation in the hydrolysis unit (10) and the dosing device (15) independently from the operational state of the internal combustion engine (1) and detected parameters of the exhaust gas system parameters.

IPC 1-7

F01N 3/20; F01N 3/08; F01N 3/029; F01N 3/035

IPC 8 full level

F01N 3/02 (2006.01); B01D 46/42 (2006.01); B01D 53/86 (2006.01); B01D 53/94 (2006.01); B01J 38/10 (2006.01); F01N 3/023 (2006.01); F01N 3/029 (2006.01); F01N 3/08 (2006.01); F01N 3/18 (2006.01); F01N 3/20 (2006.01); F01N 3/24 (2006.01); F01N 3/28 (2006.01)

CPC (source: EP US)

F01N 3/023 (2013.01 - EP US); F01N 3/029 (2013.01 - EP US); F01N 3/0885 (2013.01 - EP US); F01N 2610/04 (2013.01 - EP US)

Citation (search report)

See references of WO 0114697A1

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

DE 19939807 A1 20010301; DE 19939807 C2 20011129; EP 1212522 A1 20020612; JP 2003507631 A 20030225; US 6810657 B1 20041102; WO 0114697 A1 20010301

DOCDB simple family (application)

DE 19939807 A 19990821; DE 0002833 W 20000818; EP 00969193 A 20000818; JP 2001518546 A 20000818; US 6964402 A 20020516