Global Patent Index - EP 2748439 B1

EP 2748439 B1 20171004 - METERING SYSTEM FOR A LIQUID REDUCING AGENT

Title (en)

METERING SYSTEM FOR A LIQUID REDUCING AGENT

Title (de)

DOSIERSYSTEM FÜR EIN FLÜSSIGES REDUKTIONSMITTEL

Title (fr)

SYSTÈME DE DOSAGE POUR UN AGENT DE RÉDUCTION LIQUIDE

Publication

EP 2748439 B1 20171004 (DE)

Application

EP 12733139 A 20120709

Priority

  • DE 102011081628 A 20110826
  • EP 2012063342 W 20120709

Abstract (en)

[origin: WO2013029849A1] Proposed is a dosing module for injecting liquid urea-water solution into the exhaust tract of an internal combustion engine, which dosing module is composed of two pumps, specifically a delivery pump (5) and an aeration pump (15). This permits firstly the injection of urea-water solutions and secondly safe and reliable ventilation of the system when the internal combustion engine is to be shut down.

IPC 8 full level

F01N 3/24 (2006.01); B01D 53/94 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F04B 23/10 (2006.01)

CPC (source: EP US)

F01N 3/10 (2013.01 - US); F01N 3/2066 (2013.01 - US); F01N 3/208 (2013.01 - US); F01N 3/24 (2013.01 - EP US); F04B 23/12 (2013.01 - EP US); F01N 2610/02 (2013.01 - EP US); F01N 2610/1433 (2013.01 - EP US); F01N 2610/1466 (2013.01 - EP US); F01N 2610/1473 (2013.01 - EP US); F01N 2610/1493 (2013.01 - EP US); F04B 23/10 (2013.01 - EP US)

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

DOCDB simple family (publication)

DE 102011081628 A1 20130228; CN 103782002 A 20140507; CN 103782002 B 20170322; EP 2748439 A1 20140702; EP 2748439 B1 20171004; JP 2014524542 A 20140922; JP 6012732 B2 20161025; US 2014227120 A1 20140814; US 9562455 B2 20170207; WO 2013029849 A1 20130307

DOCDB simple family (application)

DE 102011081628 A 20110826; CN 201280041092 A 20120709; EP 12733139 A 20120709; EP 2012063342 W 20120709; JP 2014526428 A 20120709; US 201214241360 A 20120709