Global Patent Index - EP 2568137 A1

EP 2568137 A1 20130313 - Heated injection system for exhaust gas systems of Diesel engines

Title (en)

Heated injection system for exhaust gas systems of Diesel engines

Title (de)

Beheiztes Injektionssystem für Dieselmotor-Abgassysteme

Title (fr)

Système d'injection chauffé pour systèmes de gaz d'échappement de moteurs diesel

Publication

EP 2568137 A1 20130313 (DE)

Application

EP 11180569 A 20110908

Priority

EP 11180569 A 20110908

Abstract (en)

The device (21) has two reservoirs (22, 23) for storing two reducing agents, respectively at room temperature. A heating device (29) heats the two reducing agents and is designed as an electrically operated heating device i.e. glow plug. The two reducing agents are formed as a Adblue(RTM: aqueous urea solution) and hydrocarbon compound i.e. diesel fuel, respectively. An ammonia line (24) and a fuel line (25) extend from the two storage vessels, respectively and open out in a 3-way valve (26) that is connected to an injector via a reducing agent line (27). Independent claims are also included for the following: (1) an emission control system for a combustion engine for reducing nitrogen oxide emissions (2) a method for reducing nitrogen oxides in exhaust gases.

Abstract (de)

Die vorliegende Erfindung betrifft eine Injektionseinrichtung (21) zur Einspeisung von Reduktionsmitteln in ein Abgasreinigungssystem (20) einer Brennkraftmaschine (2) zur Verringerung des Stickoxidausstoßes, insbesondere eines Dieselmotors. Weitere Gegenstände der vorliegenden Erfindung betreffen ein Verfahren zur Reduzierung von Stickoxiden in Abgasen von Brennkraftmaschinen (2) sowie die Verwendung einer Reduktionsmittelmischung zur Reduzierung von Stickoxiden in Abgasen.

IPC 8 full level

F01N 3/20 (2006.01); F01N 3/36 (2006.01)

CPC (source: EP US)

F01N 3/206 (2013.01 - EP US); F01N 3/36 (2013.01 - EP US); F01N 2240/16 (2013.01 - EP US); F01N 2610/01 (2013.01 - EP US); F01N 2610/02 (2013.01 - EP US); F01N 2610/03 (2013.01 - EP US); F01N 2610/10 (2013.01 - EP US); F01N 2610/14 (2013.01 - EP US); Y10T 137/6416 (2015.04 - EP US); Y10T 137/87571 (2015.04 - EP US); Y10T 137/87652 (2015.04 - EP US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2568137 A1 20130313; EP 2568137 B1 20150805; CN 102989316 A 20130327; US 2013064744 A1 20130314

DOCDB simple family (application)

EP 11180569 A 20110908; CN 201210332547 A 20120910; US 201213592231 A 20120822