Title:
INTERNAL COMBUSTION ENGINE WITH AN AQUEOUS UREA INJECTION SOLUTION IN THE EXHAUST TRACT
Document Type and Number:
WIPO Patent Application WO/2018/036647
Kind Code:
A3
Abstract:
The invention relates to an internal combustion engine comprising an aqueous urea injection solution in the exhaust tract, comprising at least one aqueous urea solution tank, at least one pump, at least one suction line leading to the pump, at least one aqueous urea solution metering valve which is connected to the pump, and at least one return flow line which leads from the pump to the aqueous urea solution tank and a filter element which is arranged on the end opposite the pump, and at least one aqueous urea solution sensor which is arranged in the aqueous urea solution tank.
Inventors:
STENGEL RALPH (DE)
WEBER DOMINIC (DE)
BROLL PETER (DE)
DAMMER DANIEL (DE)
WEBER DOMINIC (DE)
BROLL PETER (DE)
DAMMER DANIEL (DE)
Application Number:
PCT/EP2017/000958
Publication Date:
April 19, 2018
Filing Date:
August 07, 2017
Export Citation:
Assignee:
DEUTZ AG (DE)
International Classes:
F01N3/20; B01D19/00; B01D36/00
Domestic Patent References:
| WO2009118325A1 | 2009-10-01 | |||
| WO2016076830A1 | 2016-05-19 |
Foreign References:
| EP2708710A2 | 2014-03-19 | |||
| EP2206897A1 | 2010-07-14 | |||
| US20020081239A1 | 2002-06-27 | |||
| DE102009029400A1 | 2011-03-24 | |||
| US5832717A | 1998-11-10 |
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