DE102005036712A1 - Device and method for exhaust aftertreatment of an internal combustion engine - Google Patents
Device and method for exhaust aftertreatment of an internal combustion engine Download PDFInfo
- Publication number
- DE102005036712A1 DE102005036712A1 DE102005036712A DE102005036712A DE102005036712A1 DE 102005036712 A1 DE102005036712 A1 DE 102005036712A1 DE 102005036712 A DE102005036712 A DE 102005036712A DE 102005036712 A DE102005036712 A DE 102005036712A DE 102005036712 A1 DE102005036712 A1 DE 102005036712A1
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- Prior art keywords
- exhaust
- exhaust aftertreatment
- stage
- aftertreatment
- stream
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Eine Vorrichtung zur Abgasnachbehandlung eines Verbrennungsmotors (10) mit einer ersten Abgasnachbehandlungsstufe (14) zum Rückhalten von Rußpartikeln aus dem Abgasstrom und einer zweiten Abgasnachbehandlungsstufe (16) stromab der ersten Abgasnachbehandlungsstufe (14) zur selektiven katalytischen Redunktion von Stickoxiden aus dem Abgasstrom weist zur Funktionsoptimierung der Abgasnachbehandlung weiter eine dritte Abgasnachbehandlungsstufe (18) zum Anheben der Temperatur des Abgasstromes, die stromauf der ersten Abgasnachbehandlungsstufe (14) vorgesehen ist, und eine vierte Abgasnachbehandlungsstufe (20) zum Konvertieren von NO zu NO¶2¶, die stromab der ersten Abgasnachbehandlungsstufe (14) und stromauf der zweiten Abgasnachbehandlungsstufe (16) vorgesehen ist, auf.A device for the exhaust aftertreatment of an internal combustion engine (10) with a first exhaust aftertreatment stage (14) for retaining soot particles from the exhaust stream and a second exhaust aftertreatment stage (16) downstream of the first exhaust aftertreatment stage (14) for the selective catalytic reduction of nitrogen oxides from the exhaust gas stream for optimizing the function of Aftertreatment further comprises a third exhaust aftertreatment stage (18) for raising the temperature of the exhaust stream provided upstream of the first exhaust aftertreatment stage (14) and a fourth exhaust aftertreatment stage (20) for converting NO to NO¶2¶ downstream of the first exhaust aftertreatment stage (14 ) and upstream of the second exhaust aftertreatment stage (16).
Description
Die Erfindung betrifft eine Vorrichtung zur Abgasnachbehandlung eines Verbrennungsmotors nach dem Oberbegriff von Anspruch 1 sowie ein Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors nach dem Oberbegriff von Anspruch 7.The The invention relates to a device for exhaust gas aftertreatment Internal combustion engine according to the preamble of claim 1 and a A method for the exhaust aftertreatment of an internal combustion engine after the preamble of claim 7.
Ein
derartiges Abgasnachbehandlungssystem enthält eine erste Abgasnachbehandlungsstufe zum
Rückhalten
von Rußpartikeln
aus dem Abgasstrom, wie beispielsweise einen Partikelfilter, und eine
zweite Abgasnachbehandlungsstufe stromab der ersten Abgasnachbehandlungsstufe
zur selektiven katalytischen Reduktion von Stickoxiden aus dem Abgasstrom,
wie beispielsweise einen SCR-Katalysator. Wie zum Beispiel aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung und ein Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors bereitzustellen, deren Abgasnachbehandlungsfunktionen weiter optimiert sind.Of the present invention is based on the object, a device and a method for exhaust aftertreatment of an internal combustion engine to provide their exhaust aftertreatment functions further optimized are.
Diese Aufgabe wird durch ein Vorrichtung zur Abgasnachbehandlung mit den Merkmalen des Anspruchs 1 bzw. ein Verfahren zur Abgasnachbehandlung mit den Merkmalen des Anspruchs 7 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind Gegenstand der jeweiligen abhängigen Ansprüche.These Task is by a device for exhaust aftertreatment with the Features of claim 1 and a method for exhaust aftertreatment solved with the features of claim 7. Advantageous embodiments and further developments of the invention are the subject of the respective dependent Claims.
Die Vorrichtung zur Abgasnachbehandlung eines Verbrennungsmotors der Erfindung weist neben einer ersten Abgasnachbehandlungsstufe zum Rückhalten von Rußpartikeln aus dem Abgasstrom und einer zweiten Abgasnachbehandlungsstufe stromab der ersten Abgasnachbehandlungsstufe zur selektiven katalytischen Reduktion von Stickoxiden aus dem Abgasstrom ferner eine dritte Abgasnachbehandlungsstufe zum Anheben der Temperatur des Abgasstroms zu Regenerationszwecken der ersten Abgasnachbehandlungsstufe, die stromauf der ersten Abgasnachbehandlungsstufe vorgesehen ist, und eine vierte Abgasnachbehandlungsstufe zum Konvertieren von NO zu NO2, die stromab der ersten Abgasnachbehandlungsstufe und stromauf der zweiten Abgasnachbehandlungsstufe vorgesehen ist, auf.The exhaust aftertreatment device of an internal combustion engine of the invention further includes, in addition to a first exhaust aftertreatment step for retaining soot particles from the exhaust stream and a second exhaust aftertreatment step downstream of the first exhaust aftertreatment step for selective catalytic reduction of nitrogen oxides from the exhaust stream, a third exhaust aftertreatment step for raising the temperature of the exhaust stream for regeneration purposes first exhaust aftertreatment stage provided upstream of the first exhaust aftertreatment stage and a fourth exhaust aftertreatment stage for converting NO to NO 2 provided downstream of the first exhaust aftertreatment stage and upstream of the second exhaust aftertreatment stage.
Während in dem einleitend beschriebenen Stand der Technik üblicherweise ein Oxidationskatalysator der ersten und der zweiten Abgasnachbehandlungsstufe vorgeschaltet ist, sind erfindungsgemäß eine dritte Abgasnachbehandlungsstufe der ersten Abgasnachbehandlungsstufe vorgeschaltet und eine vierte Abgasnachbehandlungsstufe der zweiten Abgasnachbehandlungsstufe vorgeschaltet. Hierdurch ist gegenüber den herkömmlichen Systemen mit nur einem vorgeschalteten Oxidationskatalysator, der beide Funktionalitäten vereint und daher einen Kompromiss darstellt, eine Funktionsoptimierung sowohl bezüglich des Anhabens der Temperatur des Abgasstroms in der dritten Abgasnachbehandlungsstufe als auch bezüglich der Konvertierung von NO zu NO2 in der vierten Abgasnachbehandlungsstufe möglich, was insgesamt zu einer besseren Abgasnachbehandlung des Verbrennungsmotors führt.While an oxidation catalytic converter of the first and second exhaust aftertreatment stage is usually connected upstream in the introductory state of the art, according to the invention a third exhaust aftertreatment stage precedes the first exhaust aftertreatment stage and a fourth exhaust aftertreatment stage precedes the second exhaust aftertreatment stage. This is compared to the conventional systems with only one upstream oxidation catalyst, which combines both functionalities and therefore represents a compromise, a function optimization both with respect to the application of the temperature of the exhaust gas stream in the third exhaust aftertreatment stage and with respect to the conversion of NO to NO 2 in the fourth exhaust aftertreatment stage possible, which leads to a better overall exhaust aftertreatment of the internal combustion engine.
In einer bevorzugten Ausgestaltung der Erfindung enthält die dritte Abgasnachbehandlungsstufe eine HC-Einleitungsvorrichtung zum Einbringen von Kohlenwasserstoffen in den Abgasstrom und einen Oxidationskatalysator zum Oxidieren der eingebrachten Kohlenwasserstoffe, um die Temperatur des Abgasstroms anzuheben, und die vierte Abgasnachbehandlungsstufe enthält einen Oxidationskatalysator zum Oxidieren von NO zu NO2.In a preferred embodiment of the invention, the third exhaust aftertreatment stage includes an HC introduction device for introducing hydrocarbons into the exhaust flow and an oxidation catalyst for oxidizing the introduced hydrocarbons to raise the temperature of the exhaust flow, and the fourth exhaust aftertreatment step includes an oxidation catalyst for oxidizing NO to NO 2 .
In einer weiteren Ausgestaltung der Erfindung enthält die erste Abgasnachbehandlungsstufe einen (Ruß-)Partikelfilter.In In a further embodiment of the invention, the first exhaust aftertreatment stage contains a (Soot) particle filter.
In einer noch weiteren Ausgestaltung der Erfindung enthält die zweite Abgasnachbehandlungsstufe einen SCR-Katalysator zur selektiven katalytischen Reduktion von Stickoxiden mit einer diesem vorgeschalteten Reduktionsmittel-Einleitungsvorrichtung zum Einbringen eines Reduktionsmittels wie zum Beispiel einer Harnstoff-Wasser-Lösung für die selektive katalytische Reduktion von Stickoxiden im SCR-Katalysator in den Abgasstrom.In a still further embodiment of the invention contains the second Exhaust aftertreatment stage an SCR catalyst for selective catalytic Reduction of nitrogen oxides with a reducing agent inlet device upstream of this for introducing a reducing agent such as a urea-water solution for the selective catalytic reduction of nitrogen oxides in the SCR catalyst in the Exhaust gas flow.
Obige
sowie weitere Merkmale und Vorteile der Erfindung werden aus der
nachfolgenden Beschreibung eines bevorzugten, nicht-einschränkenden
Ausführungsbeispiels
der Erfindung unter Bezugnahme auf die beiliegende Zeichnung besser
verständlich.
Darin zeigt die einzige
In
In
Als
Partikelfilter
Der
SCR-Katalysator
Stromauf
der ersten Abgasnachbehandlungsstufe
Weiter
ist in dem Abgaskanal
Das
oben beschriebene Abgasnachbehandlungssystem unterscheidet sich
von den herkömmlichen
Systemen insbesondere durch die Verwendung der zwei Oxidationskatalysatoren
Während der
Oxidationskatalysator
Zur
Optimierung der HC-Oxidationsfunktion ist es beispielsweise vorteilhaft,
für den
Oxidationskatalysator
Zur
Optimierung der NO-Oxidationsfunktion ist es beispielsweise vorteilhaft,
für den
Oxidationskatalysator
Die
beiden Oxidationskatalysatoren
Obwohl
in
Ebenfalls
nicht dargestellt, jedoch insbesondere für Nutzfahrzeuge bevorzugt ist
es, wenn die Abgasreinigungsstufen
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005036712A DE102005036712A1 (en) | 2005-08-04 | 2005-08-04 | Device and method for exhaust aftertreatment of an internal combustion engine |
PCT/EP2006/006937 WO2007014637A1 (en) | 2005-08-04 | 2006-07-15 | Apparatus and method for exhaust-gas aftertreatment of an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005036712A DE102005036712A1 (en) | 2005-08-04 | 2005-08-04 | Device and method for exhaust aftertreatment of an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005036712A1 true DE102005036712A1 (en) | 2007-02-08 |
Family
ID=37023032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005036712A Withdrawn DE102005036712A1 (en) | 2005-08-04 | 2005-08-04 | Device and method for exhaust aftertreatment of an internal combustion engine |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102005036712A1 (en) |
WO (1) | WO2007014637A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008103110A1 (en) * | 2007-02-21 | 2008-08-28 | Volvo Lastvagnar Ab | Exhaust gas after treatment system (eats) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9863297B2 (en) | 2007-12-12 | 2018-01-09 | Basf Corporation | Emission treatment system |
Citations (4)
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EP1321641A1 (en) * | 2001-12-13 | 2003-06-25 | Isuzu Motors Limited | Exhaust emission purification system for diesel engine |
DE10241063A1 (en) * | 2002-09-05 | 2004-03-11 | Robert Bosch Gmbh | Catalytic process and assembly to reduce diesel engine particle and nitrogen emissions by dosed admixture of plasma particles and ozone |
DE10250050A1 (en) * | 2002-10-25 | 2004-05-06 | Purem Abgassysteme Gmbh & Co. Kg | Exhaust aftertreatment system, especially for a diesel engine |
EP1435437A1 (en) * | 2002-12-30 | 2004-07-07 | Southwest Research Institute | Improvements in or relating to a system and method for exhaust gas aftertreatment |
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DE19618397A1 (en) | 1996-05-08 | 1997-11-13 | Bayerische Motoren Werke Ag | Process for exhaust gas purification in diesel engines |
GB9802504D0 (en) | 1998-02-06 | 1998-04-01 | Johnson Matthey Plc | Improvements in emission control |
DE10164833A1 (en) * | 2001-07-03 | 2004-06-09 | Daimlerchrysler Ag | Internal combustion engine with exhaust aftertreatment device and operating method therefor |
US6928806B2 (en) * | 2002-11-21 | 2005-08-16 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
WO2004071646A2 (en) * | 2003-02-12 | 2004-08-26 | Delphi Technologies, Inc. | SYSTEM AND METHOD OF NOx ABATEMENT |
-
2005
- 2005-08-04 DE DE102005036712A patent/DE102005036712A1/en not_active Withdrawn
-
2006
- 2006-07-15 WO PCT/EP2006/006937 patent/WO2007014637A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1321641A1 (en) * | 2001-12-13 | 2003-06-25 | Isuzu Motors Limited | Exhaust emission purification system for diesel engine |
DE10241063A1 (en) * | 2002-09-05 | 2004-03-11 | Robert Bosch Gmbh | Catalytic process and assembly to reduce diesel engine particle and nitrogen emissions by dosed admixture of plasma particles and ozone |
DE10250050A1 (en) * | 2002-10-25 | 2004-05-06 | Purem Abgassysteme Gmbh & Co. Kg | Exhaust aftertreatment system, especially for a diesel engine |
EP1435437A1 (en) * | 2002-12-30 | 2004-07-07 | Southwest Research Institute | Improvements in or relating to a system and method for exhaust gas aftertreatment |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008103110A1 (en) * | 2007-02-21 | 2008-08-28 | Volvo Lastvagnar Ab | Exhaust gas after treatment system (eats) |
WO2008103111A1 (en) * | 2007-02-21 | 2008-08-28 | Volvo Lastvagnar Ab | Exhaust gas after treatment system (eats) |
RU2455505C2 (en) * | 2007-02-21 | 2012-07-10 | Вольво Ластвагнар Аб | System of exhaust gas advanced treatment |
CN101617109B (en) * | 2007-02-21 | 2012-08-15 | 沃尔沃拉斯特瓦格纳公司 | Exhaust gas after treatment system (EATS) |
US8640443B2 (en) | 2007-02-21 | 2014-02-04 | Volvo Lastvagnar Ab | Exhaust gas after treatment system (EATS) |
US8656702B2 (en) | 2007-02-21 | 2014-02-25 | Volvo Lastvagnar Ab | Exhaust gas after treatment system |
Also Published As
Publication number | Publication date |
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WO2007014637A1 (en) | 2007-02-08 |
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