GB2461672A - Exhaust system utilizing a low-temperature oxidation catalyst - Google Patents
Exhaust system utilizing a low-temperature oxidation catalyst Download PDFInfo
- Publication number
- GB2461672A GB2461672A GB0920038A GB0920038A GB2461672A GB 2461672 A GB2461672 A GB 2461672A GB 0920038 A GB0920038 A GB 0920038A GB 0920038 A GB0920038 A GB 0920038A GB 2461672 A GB2461672 A GB 2461672A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exhaust
- oxidation catalyst
- exhaust gas
- low
- exhaust system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000003054 catalyst Substances 0.000 title abstract 6
- 230000003647 oxidation Effects 0.000 title abstract 4
- 238000007254 oxidation reaction Methods 0.000 title abstract 4
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
Classifications
-
- 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
-
- 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
- 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
- F01N13/011—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 purifying devices arranged in parallel
-
- 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
- F01N3/02—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
- F01N3/033—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 in combination with other devices
- F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary 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
- 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
-
- 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
- F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
- F01N2410/06—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device at cold starting
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
An exhaust treatment system (32) is provided having a first exhaust passageway (24) fluidly connected to an engine (12). A particulate filter and a selective catalytic reduction catalyst (42) are situated within the first exhaust passageway. In addition, the system has a first oxidation catalyst (40) located within the first exhaust passageway upstream of the particulate filter and the selective catalytic reduction catalyst. The system also has a second exhaust passageway (34) fluidly connected to the first exhaust passageway upstream and downstream of the first oxidation catalyst. The exhaust treatment system further has a sensor (44) configured to sense a parameter indicative of an exhaust gas temperature. Furthermore, the system has a controller (46) configured to direct exhaust gas through the first oxidation catalyst when the exhaust gas temperature is below a threshold temperature and direct the exhaust gas through the second exhaust passageway when the exhaust gas temperature is above the threshold temperature.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/806,433 US20080295499A1 (en) | 2007-05-31 | 2007-05-31 | Exhaust system utilizing a low-temperature oxidation catalyst |
PCT/US2008/005210 WO2008147492A1 (en) | 2007-05-31 | 2008-04-23 | Exhaust system utilizing a low-temperature oxidation catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0920038D0 GB0920038D0 (en) | 2009-12-30 |
GB2461672A true GB2461672A (en) | 2010-01-13 |
Family
ID=39587912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0920038A Withdrawn GB2461672A (en) | 2007-05-31 | 2009-11-16 | Exhaust system utilizing a low-temperature oxidation catalyst |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080295499A1 (en) |
GB (1) | GB2461672A (en) |
WO (1) | WO2008147492A1 (en) |
Families Citing this family (37)
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WO2008135805A1 (en) * | 2007-05-02 | 2008-11-13 | Perkins Engines Company Limited | Exhaust treatment system implementing selective doc bypass |
US8800270B2 (en) * | 2007-11-14 | 2014-08-12 | Umicore Autocat Usa Inc. | Process for reducing NO2 from combustion system exhaust |
JP5272455B2 (en) * | 2008-03-11 | 2013-08-28 | いすゞ自動車株式会社 | NOx purification system control method and NOx purification system |
US8109079B2 (en) * | 2008-04-30 | 2012-02-07 | Cummins Ip, Inc. | Apparatus, system, and method for controlling ammonia slip from an SCR catalyst |
US8074445B2 (en) * | 2008-04-30 | 2011-12-13 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
US8161730B2 (en) * | 2008-04-30 | 2012-04-24 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
US8256208B2 (en) * | 2008-04-30 | 2012-09-04 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
US8141340B2 (en) * | 2008-04-30 | 2012-03-27 | Cummins Ip, Inc | Apparatus, system, and method for determining the degradation of an SCR catalyst |
US8201394B2 (en) * | 2008-04-30 | 2012-06-19 | Cummins Ip, Inc. | Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system |
US8281572B2 (en) * | 2008-04-30 | 2012-10-09 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions from an engine system |
US8505278B2 (en) * | 2009-04-30 | 2013-08-13 | Cummins Ip, Inc. | Engine system properties controller |
US8181450B2 (en) * | 2008-04-30 | 2012-05-22 | Cummins IP. Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control |
US8112987B2 (en) * | 2008-08-29 | 2012-02-14 | Umicore Ag & Co. Kg | Process for reducing NOx emissions from engine exhaust using LNT and SCR components |
US8648322B2 (en) * | 2008-10-31 | 2014-02-11 | Cummins Inc. | Optical sensing in an adverse environment |
US8223337B2 (en) * | 2008-10-31 | 2012-07-17 | Cummins Inc. | Apparatus, system, and method for aftertreatment control and diagnostics |
US9194273B2 (en) | 2008-10-31 | 2015-11-24 | Cummins Inc. | Apparatus, system, and method for aftertreatment control and diagnostics |
EP2342433B1 (en) * | 2008-10-31 | 2013-07-03 | Volvo Lastvagnar AB | Method and apparatus for cold starting an internal combustion engine |
US8356471B2 (en) * | 2008-12-05 | 2013-01-22 | Cummins Ip, Inc. | Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system |
WO2010065963A2 (en) * | 2008-12-05 | 2010-06-10 | Cummins Ip, Inc. | Apparatus, system, and method for estimating an nox conversion efficiency of a selective catalytic reduction catalyst |
CN102301101B (en) * | 2009-01-22 | 2014-07-16 | 曼卡车和巴士股份公司 | Device and method for regenerating a particulate filter arranged in the exhaust section of an internal combustion engine |
DE102009000804B4 (en) * | 2009-02-12 | 2013-07-04 | Ford Global Technologies, Llc | emission control system |
NL2002651C2 (en) * | 2009-03-23 | 2010-09-27 | Trs Transportkoeling B V | VEHICLE FITTED WITH A BURNING ENGINE. |
US8409515B2 (en) * | 2009-07-14 | 2013-04-02 | GM Global Technology Operations LLC | Exhaust gas treatment system |
DE112010003613T5 (en) * | 2009-09-10 | 2012-11-08 | Cummins Ip, Inc. | Low temperature catalyst for selective catalytic reduction and related systems and processes |
CA2702246C (en) * | 2010-04-20 | 2012-01-17 | Westport Power Inc. | Method of controlling a direct-injection gaseous-fuelled internal combustion engine system with a selective catalytic reduction converter |
US8733083B2 (en) | 2010-04-26 | 2014-05-27 | Cummins Filtration Ip, Inc. | SCR catalyst ammonia surface coverage estimation and control |
US8218147B2 (en) | 2010-06-18 | 2012-07-10 | Cummins Inc. | Apparatus, system, and method for detecting engine fluid constituents |
US20120279206A1 (en) * | 2011-05-02 | 2012-11-08 | Stephen Mark Geyer | Device, method, and system for emissions control |
FR2976320A1 (en) * | 2011-06-08 | 2012-12-14 | Peugeot Citroen Automobiles Sa | Exhaust line for internal combustion engine, has distribution valve that is placed in bypass branch, and movable between open and closed positions in which exhaust gases respectively pass through and do not pass through bypass branch |
US20140250865A1 (en) * | 2013-03-07 | 2014-09-11 | Cummins Ip, Inc. | Exhaust gas aftertreatment bypass system and methods |
DE102015211169A1 (en) * | 2015-06-17 | 2016-12-22 | Mtu Friedrichshafen Gmbh | A method of operating an exhaust aftertreatment system, exhaust aftertreatment system, and internal combustion engine having an exhaust aftertreatment system |
US10030557B2 (en) | 2016-11-14 | 2018-07-24 | Ford Global Technologies, Llc | Exhaust passage having first and second catalysts |
SE540375C2 (en) * | 2016-12-12 | 2018-08-28 | Scania Cv Ab | An exhaust treatment system comprising a bypass conduit and a method for controlling the flow of exhaust gases |
US20190085746A1 (en) * | 2017-09-19 | 2019-03-21 | Caterpillar Inc. | Aftertreatment system |
GB2567807A (en) * | 2017-10-17 | 2019-05-01 | Perkins Engines Co Ltd | Engine exhaust aftertreatment system and method |
EP3887658B1 (en) | 2018-11-26 | 2023-08-23 | Volvo Truck Corporation | An aftertreatment system |
GB2597182B (en) | 2019-05-09 | 2023-11-22 | Cummins Emission Solutions Inc | Valve arrangement for split-flow close-coupled catalyst |
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WO2005078250A1 (en) * | 2004-02-18 | 2005-08-25 | Nissan Diesel Motor Co., Ltd. | Engine exhaust emission control system |
WO2006010506A1 (en) * | 2004-07-24 | 2006-02-02 | Daimlerchrysler Ag | Exhaust gas system, especially for the internal combustion engine of a motor vehicle |
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WO2004071646A2 (en) * | 2003-02-12 | 2004-08-26 | Delphi Technologies, Inc. | SYSTEM AND METHOD OF NOx ABATEMENT |
US6947831B2 (en) * | 2003-04-11 | 2005-09-20 | Ford Global Technologies, Llc | Pressure sensor diagnosis via a computer |
US6871489B2 (en) * | 2003-04-16 | 2005-03-29 | Arvin Technologies, Inc. | Thermal management of exhaust systems |
US7229597B2 (en) * | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
US6973776B2 (en) * | 2003-11-03 | 2005-12-13 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
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-
2007
- 2007-05-31 US US11/806,433 patent/US20080295499A1/en not_active Abandoned
-
2008
- 2008-04-23 WO PCT/US2008/005210 patent/WO2008147492A1/en active Application Filing
-
2009
- 2009-11-16 GB GB0920038A patent/GB2461672A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1217196A2 (en) * | 2000-12-19 | 2002-06-26 | Isuzu Motors Limited | Device for purifying exhaust gas of diesel engines |
US20040139739A1 (en) * | 2002-11-25 | 2004-07-22 | Masao Kagenishi | Exhaust gas purifying apparatus and exhaust gas purifying method for an internal combustion engine |
JP2005023921A (en) * | 2003-06-12 | 2005-01-27 | Hino Motors Ltd | Exhaust emission control device |
WO2005078250A1 (en) * | 2004-02-18 | 2005-08-25 | Nissan Diesel Motor Co., Ltd. | Engine exhaust emission control system |
JP2005233046A (en) * | 2004-02-18 | 2005-09-02 | Nissan Diesel Motor Co Ltd | Exhaust emission control device |
WO2006010506A1 (en) * | 2004-07-24 | 2006-02-02 | Daimlerchrysler Ag | Exhaust gas system, especially for the internal combustion engine of a motor vehicle |
US20060179822A1 (en) * | 2005-02-14 | 2006-08-17 | Dalla Betta Ralph A | Systems and methods for reducing emissions of internal combustion engines using a fuel processor bypass |
AT501066A2 (en) * | 2006-03-02 | 2006-06-15 | Avl List Gmbh | EXHAUST SYSTEM FOR A COMBUSTION ENGINE |
Also Published As
Publication number | Publication date |
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US20080295499A1 (en) | 2008-12-04 |
GB0920038D0 (en) | 2009-12-30 |
WO2008147492A1 (en) | 2008-12-04 |
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