DE69910605D1 - Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung - Google Patents
Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierungInfo
- Publication number
- DE69910605D1 DE69910605D1 DE69910605T DE69910605T DE69910605D1 DE 69910605 D1 DE69910605 D1 DE 69910605D1 DE 69910605 T DE69910605 T DE 69910605T DE 69910605 T DE69910605 T DE 69910605T DE 69910605 D1 DE69910605 D1 DE 69910605D1
- Authority
- DE
- Germany
- Prior art keywords
- reduction
- injection
- stage
- improved nox
- scr
- 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.)
- Expired - Lifetime
Links
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
- F01N3/08—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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
-
- 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
- B01D53/9495—Controlling the catalytic process
-
- 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
- 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
- F01N13/0097—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 arranged in a single housing
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
-
- 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
-
- 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
- F01N2560/07—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas flow rate or velocity meter or sensor, intake flow meters only when exclusively used to determine exhaust gas parameters
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/18—Ammonia
-
- 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
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/191,779 US6125629A (en) | 1998-11-13 | 1998-11-13 | Staged reductant injection for improved NOx reduction |
US191779 | 1998-11-13 | ||
PCT/US1999/026286 WO2000029728A1 (en) | 1998-11-13 | 1999-11-05 | STAGED REDUCTANT INJECTION FOR IMPROVED NOx REDUCTION |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69910605D1 true DE69910605D1 (de) | 2003-09-25 |
DE69910605T2 DE69910605T2 (de) | 2004-06-17 |
Family
ID=22706902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69910605T Expired - Lifetime DE69910605T2 (de) | 1998-11-13 | 1999-11-05 | Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung |
Country Status (8)
Country | Link |
---|---|
US (1) | US6125629A (de) |
EP (1) | EP1129278B1 (de) |
JP (1) | JP2003529699A (de) |
KR (1) | KR100642701B1 (de) |
AT (1) | ATE247768T1 (de) |
AU (1) | AU2146200A (de) |
DE (1) | DE69910605T2 (de) |
WO (1) | WO2000029728A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8201393B2 (en) | 2008-03-05 | 2012-06-19 | Hilite Germany Gmbh | Exhaust-gas aftertreatment device |
Families Citing this family (199)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0982487B1 (de) * | 1997-05-12 | 2003-07-16 | Toyota Jidosha Kabushiki Kaisha | Abgasreinigungsvorrichtung für eine verbrennungskraftmaschine |
DE19817994A1 (de) * | 1998-04-22 | 1999-11-04 | Emitec Emissionstechnologie | Verfahren und Vorrichtung zur Reinigung von Stickoxid (NO¶x¶) enthaltendem Abgas eines Verbrennungsmotors |
JP2001303934A (ja) * | 1998-06-23 | 2001-10-31 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
US6560958B1 (en) * | 1998-10-29 | 2003-05-13 | Massachusetts Institute Of Technology | Emission abatement system |
DE19901915C1 (de) * | 1999-01-19 | 2000-04-20 | Siemens Ag | Verfahren zur katalytischen Umsetzung von im Abgas eines Verbrennungsmotors enthaltenen Stickoxiden |
DE19919472C2 (de) * | 1999-04-29 | 2001-04-19 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Detektion von Ammoniak |
JP2000337129A (ja) * | 1999-05-21 | 2000-12-05 | Honda Motor Co Ltd | 内燃機関の排気浄化装置 |
US6295809B1 (en) * | 1999-07-12 | 2001-10-02 | Ford Global Technologies, Inc. | Emission control system with a catalyst |
US6363771B1 (en) * | 1999-11-24 | 2002-04-02 | Caterpillar Inc. | Emissions diagnostic system |
US6354079B1 (en) * | 1999-11-26 | 2002-03-12 | Hyundai Motor Company | Apparatus and method of purifying NOx in the exhaust gas of the diesel engine |
ATE253972T1 (de) * | 2000-02-28 | 2003-11-15 | Siemens Ag | Verfahren und abgasreinigungsanlage zur katalytischen reduktion von stickoxiden im abgas einer verbrennungsanlage |
US6269633B1 (en) * | 2000-03-08 | 2001-08-07 | Ford Global Technologies, Inc. | Emission control system |
US6427439B1 (en) * | 2000-07-13 | 2002-08-06 | Ford Global Technologies, Inc. | Method and system for NOx reduction |
US6758036B1 (en) * | 2000-10-27 | 2004-07-06 | Delphi Technologies, Inc. | Method for sulfur protection of NOx adsorber |
GB0100756D0 (en) * | 2001-01-11 | 2001-02-21 | Powderject Res Ltd | Needleless syringe |
GB0104682D0 (en) * | 2001-02-26 | 2001-04-11 | Johnson Matthey Plc | Gas treatment using ammonia |
US6449945B1 (en) * | 2001-04-18 | 2002-09-17 | Ford Global Technologies, Inc. | Emission control system |
US6591604B2 (en) | 2001-06-19 | 2003-07-15 | Ford Global Technologies, Llc | Oxygen storage capacity estimation |
US6594985B2 (en) | 2001-06-19 | 2003-07-22 | Ford Global Technologies, Inc. | Exhaust gas aftertreatment device efficiency estimation |
US6912842B2 (en) | 2001-06-19 | 2005-07-05 | Ford Global Technologies, Inc. | Oxygen storage capacity estimation |
US6594986B2 (en) | 2001-06-19 | 2003-07-22 | Ford Global Technologies, Inc. | Oxidant storage capacity estimation |
US6421599B1 (en) * | 2001-08-09 | 2002-07-16 | Ford Global Technologies, Inc. | Control strategy for an internal combustion engine in a hybrid vehicle |
US6698191B2 (en) | 2001-08-09 | 2004-03-02 | Ford Global Technologies, Llc | High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature |
US6742326B2 (en) * | 2001-08-09 | 2004-06-01 | Ford Global Technologies, Llc | High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature |
US6928359B2 (en) | 2001-08-09 | 2005-08-09 | Ford Global Technologies, Llc | High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature |
US20030047146A1 (en) * | 2001-09-10 | 2003-03-13 | Daniel Michael J. | Plasmatron-internal combustion engine system having an independent electrical power source |
AUPR812401A0 (en) * | 2001-10-08 | 2001-11-01 | Orbital Engine Company (Australia) Proprietary Limited | An internal combustion engine |
WO2003054364A2 (en) * | 2001-12-20 | 2003-07-03 | Johnson Matthey Public Limited Company | Method and apparatus for filtering partriculate matter and selective catalytic reduction of nox |
US7021048B2 (en) * | 2002-01-25 | 2006-04-04 | Arvin Technologies, Inc. | Combination emission abatement assembly and method of operating the same |
US6976353B2 (en) | 2002-01-25 | 2005-12-20 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to provide reformate gas to both a fuel cell and an emission abatement device |
US7014930B2 (en) * | 2002-01-25 | 2006-03-21 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to generate multiple reformate gases |
US6651597B2 (en) * | 2002-04-23 | 2003-11-25 | Arvin Technologies, Inc. | Plasmatron having an air jacket and method for operating the same |
JP3858752B2 (ja) * | 2002-04-25 | 2006-12-20 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US7055311B2 (en) * | 2002-08-31 | 2006-06-06 | Engelhard Corporation | Emission control system for vehicles powered by diesel engines |
GB0220645D0 (en) | 2002-09-05 | 2002-10-16 | Johnson Matthey Plc | Exhaust system for a lean burn ic engine |
US20040050345A1 (en) * | 2002-09-17 | 2004-03-18 | Bauer Shawn D. | Fuel reformer control system and method |
DE10243270A1 (de) * | 2002-09-18 | 2004-03-25 | Robert Bosch Gmbh | Abgasreinigungsanlage einer Brennkraftmaschine und Verfahren zur Reinigung deren Abgase |
US20040052693A1 (en) * | 2002-09-18 | 2004-03-18 | Crane Samuel N. | Apparatus and method for removing NOx from the exhaust gas of an internal combustion engine |
US6758035B2 (en) * | 2002-09-18 | 2004-07-06 | Arvin Technologies, Inc. | Method and apparatus for purging SOX from a NOX trap |
US6779337B2 (en) * | 2002-09-20 | 2004-08-24 | Ford Global Technologies, Llc | Hydrogen fueled spark ignition engine |
US6993900B2 (en) | 2002-10-21 | 2006-02-07 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
WO2004042222A1 (de) * | 2002-11-08 | 2004-05-21 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasanlage und verfahren zu deren betrieb |
US6702991B1 (en) | 2002-11-12 | 2004-03-09 | Arvin Technologies, Inc. | Apparatus and method for reducing power consumption of a plasma fuel reformer |
US6715452B1 (en) | 2002-11-13 | 2004-04-06 | Arvin Technologies, Inc. | Method and apparatus for shutting down a fuel reformer |
US6928806B2 (en) * | 2002-11-21 | 2005-08-16 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6981368B2 (en) * | 2002-11-21 | 2006-01-03 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6895747B2 (en) | 2002-11-21 | 2005-05-24 | Ford Global Technologies, Llc | Diesel aftertreatment systems |
US7093427B2 (en) | 2002-11-21 | 2006-08-22 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6862879B2 (en) | 2002-11-21 | 2005-03-08 | Ford Global Technologies, Llc | Diesel aftertreatment system |
US6823663B2 (en) | 2002-11-21 | 2004-11-30 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6892530B2 (en) | 2002-11-21 | 2005-05-17 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6832473B2 (en) * | 2002-11-21 | 2004-12-21 | Delphi Technologies, Inc. | Method and system for regenerating NOx adsorbers and/or particulate filters |
US6834498B2 (en) | 2002-11-21 | 2004-12-28 | Ford Global Technologies, Llc | Diesel aftertreatment systems |
US6941746B2 (en) * | 2002-11-21 | 2005-09-13 | Combustion Components Associates, Inc. | Mobile diesel selective catalytic reduction systems and methods |
US6903259B2 (en) * | 2002-12-06 | 2005-06-07 | Arvin Technologies, Inc. | Thermoelectric device for use with fuel reformer and associated method |
US6761025B1 (en) * | 2002-12-19 | 2004-07-13 | Caterpillar Inc. | Enhanced ammonia feed control for selective catalytic reduction |
US20040139730A1 (en) * | 2003-01-16 | 2004-07-22 | William Taylor | Method and apparatus for directing exhaust gas and reductant fluid in an emission abatement system |
US6843054B2 (en) * | 2003-01-16 | 2005-01-18 | Arvin Technologies, Inc. | Method and apparatus for removing NOx and soot from engine exhaust gas |
US6851398B2 (en) * | 2003-02-13 | 2005-02-08 | Arvin Technologies, Inc. | Method and apparatus for controlling a fuel reformer by use of existing vehicle control signals |
DE10315593B4 (de) * | 2003-04-05 | 2005-12-22 | Daimlerchrysler Ag | Abgasnachbehandlungseinrichtung und -verfahren |
JP2006524606A (ja) * | 2003-04-30 | 2006-11-02 | イネルジー オートモーティヴ システムズ リサーチ | 燃料系統用の添加物リザーバ及びこのようなリザーバを製造する方法 |
US7155331B1 (en) | 2003-12-15 | 2006-12-26 | Donaldson Company, Inc. | Method of prediction of NOx mass flow in exhaust |
US7900441B2 (en) * | 2004-02-12 | 2011-03-08 | Fleetguard, Inc. | Precat-NOx adsorber exhaust aftertreatment system for internal combustion engines |
US7776265B2 (en) * | 2004-03-18 | 2010-08-17 | Cummins Filtration Ip, Inc. | System for diagnosing reagent solution quality |
US7767163B2 (en) * | 2004-04-20 | 2010-08-03 | Umicore Ag & Co. Kg | Exhaust treatment devices |
DE102004025062B4 (de) * | 2004-05-18 | 2006-09-14 | Hydraulik-Ring Gmbh | Gefriertaugliches Dosierventil |
US7067319B2 (en) * | 2004-06-24 | 2006-06-27 | Cummins, Inc. | System for diagnosing reagent solution quality and emissions catalyst degradation |
US6996975B2 (en) * | 2004-06-25 | 2006-02-14 | Eaton Corporation | Multistage reductant injection strategy for slipless, high efficiency selective catalytic reduction |
JP2006057578A (ja) * | 2004-08-23 | 2006-03-02 | Hino Motors Ltd | 排気浄化装置 |
US7784272B2 (en) * | 2004-08-31 | 2010-08-31 | Cummins Inc. | Control system for an engine aftertreatment system |
US20060112678A1 (en) * | 2004-11-04 | 2006-06-01 | Eaton Corporation | Multiple reactant multiple catalyst selective catalytic reduction for NOx abatement in internal combustion engines |
US7776280B2 (en) | 2005-05-10 | 2010-08-17 | Emcon Technologies Llc | Method and apparatus for selective catalytic reduction of NOx |
US7743602B2 (en) * | 2005-06-21 | 2010-06-29 | Exxonmobil Research And Engineering Co. | Reformer assisted lean NOx catalyst aftertreatment system and method |
US7803338B2 (en) | 2005-06-21 | 2010-09-28 | Exonmobil Research And Engineering Company | Method and apparatus for combination catalyst for reduction of NOx in combustion products |
US20070012032A1 (en) * | 2005-07-12 | 2007-01-18 | Eaton Corporation | Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction |
US7435275B2 (en) * | 2005-08-11 | 2008-10-14 | Delphi Technologies, Inc. | System and method of heating an exhaust treatment device |
US7418816B2 (en) * | 2005-09-01 | 2008-09-02 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US20070084116A1 (en) * | 2005-10-13 | 2007-04-19 | Bayerische Motoren Werke Aktiengesellschaft | Reformer system having electrical heating devices |
US7485272B2 (en) * | 2005-11-30 | 2009-02-03 | Caterpillar Inc. | Multi-stage system for selective catalytic reduction |
DE102006008400B4 (de) * | 2006-02-21 | 2015-06-03 | Fev Gmbh | Direkteinspritzende, fremdgezündete Verbrennungskraftmaschine mit SCR-Katalysator und Verfahren hierfür |
DE102006009934A1 (de) * | 2006-03-03 | 2007-09-06 | Daimlerchrysler Ag | Abgasnachbehandlungssystem und Verfahren zur Abgasreinigung |
JP4432917B2 (ja) * | 2006-03-06 | 2010-03-17 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US8156732B2 (en) * | 2006-03-24 | 2012-04-17 | Fleetguard, Inc. | Apparatus, system, and method for regenerating an exhaust gas treatment device |
US20070277505A1 (en) * | 2006-05-30 | 2007-12-06 | Ford Global Technologies, Llc | Venting of on-board vehicle emissions treatment system |
US20070289288A1 (en) * | 2006-06-19 | 2007-12-20 | Ford Global Technologies, Llc | Venting of on-board vehicle emissions treatment system with pressure assist |
US8568678B2 (en) | 2006-07-08 | 2013-10-29 | Umicore Ag & Co. Kg | Structured SCR catalyst for the reduction of nitrogen oxides in the exhaust gas from lean-burn engines using ammonia as reducing agent |
US7587890B2 (en) | 2006-08-21 | 2009-09-15 | Cummins Inc. | Reductant injection rate shaping method for regeneration of aftertreatment systems |
US7469531B2 (en) * | 2006-09-20 | 2008-12-30 | Gm Global Technology Operations, Inc. | Method and apparatus to control injection of a reductant into an exhaust gas feedstream |
US20080072575A1 (en) * | 2006-09-21 | 2008-03-27 | Eaton Corporation | Catalyst to improve low temperature deNOx activity in a reformer-LNT exhaust aftertreatment system |
US8389432B2 (en) | 2006-09-25 | 2013-03-05 | Umicore Ag & Co. Kg | Structured automotive catalyst with improved thermal ageing stability |
US8109077B2 (en) * | 2006-10-11 | 2012-02-07 | Tenneco Automotive Operating Company Inc. | Dual injector system for diesel emissions control |
JP2010511838A (ja) * | 2006-12-05 | 2010-04-15 | マック トラックス インコーポレイテッド | 排気冷却を有するエンジン及びその方法 |
US20080141662A1 (en) * | 2006-12-14 | 2008-06-19 | Markus Schuster | Fluid injecting and mixing systems for exhaust after-treatment devices |
DE102007004687B4 (de) * | 2007-01-25 | 2012-03-01 | Hydraulik-Ring Gmbh | Volumensmengenabgabeeinheit und Verfahren zur Kalibrierung der Druckausgangssignal-Volumensmenge-Charakteristik |
WO2008135805A1 (en) * | 2007-05-02 | 2008-11-13 | Perkins Engines Company Limited | Exhaust treatment system implementing selective doc bypass |
US20080295499A1 (en) * | 2007-05-31 | 2008-12-04 | James Joshua Driscoll | Exhaust system utilizing a low-temperature oxidation catalyst |
KR100867799B1 (ko) * | 2007-06-07 | 2008-11-10 | 현대자동차주식회사 | 요소를 이용한 선택적 촉매 환원 차량의 엔진 제어방법 |
US8209956B2 (en) * | 2007-07-31 | 2012-07-03 | Caterpillar Inc. | SCR emissions control system |
US8166751B2 (en) * | 2007-07-31 | 2012-05-01 | Caterpillar Inc. | Particulate filter |
US20090035194A1 (en) * | 2007-07-31 | 2009-02-05 | Caterpillar Inc. | Exhaust treatment system with an oxidation device for NO2 control |
US7799289B2 (en) * | 2007-07-31 | 2010-09-21 | Caterpillar Inc | Exhaust treatment system with NO2 control |
US8001769B2 (en) * | 2007-08-20 | 2011-08-23 | Caterpillar Inc. | Control of SCR system having a filtering device |
US7992380B2 (en) * | 2007-08-23 | 2011-08-09 | Caterpillar Inc. | Emission control system implementing reduction agent injection |
DE102007046460A1 (de) * | 2007-09-28 | 2009-04-02 | Daimler Ag | Verfahren zur Verminderung der Emission von Stickstoffdioxid bei einem Kraftfahrzeug mit einer mager betriebenen Brennkraftmaschine |
DE102008042678A1 (de) * | 2007-10-09 | 2009-05-07 | Denso Corp., Kariya-shi | Abgasreinigungsgerät mit verbessertem Aufbau zur Sicherstellung einer exakten Einspritzung von Reduktionsmittel |
JP2009091976A (ja) * | 2007-10-09 | 2009-04-30 | Denso Corp | 内燃機関の排気浄化装置 |
US8151558B2 (en) * | 2008-01-31 | 2012-04-10 | Caterpillar Inc. | Exhaust system implementing SCR and EGR |
US8176729B2 (en) * | 2008-03-06 | 2012-05-15 | GM Global Technology Operations LLC | Perturbation control strategy for low-temperature urea SCR NOx reduction |
ATE460973T1 (de) | 2008-04-11 | 2010-04-15 | Umicore Ag & Co Kg | Abgasreinigungssystem zur behandlung von motorenabgasen mittels scr-katalysator |
WO2009128169A1 (ja) * | 2008-04-18 | 2009-10-22 | 本田技研工業株式会社 | 内燃機関の排気浄化装置 |
US7832200B2 (en) * | 2008-04-23 | 2010-11-16 | Caterpillar Inc | Exhaust system implementing feedforward and feedback control |
US9518492B2 (en) * | 2008-04-23 | 2016-12-13 | Caterpillar Inc. | Exhaust system implementing in situ calibration |
US8161730B2 (en) * | 2008-04-30 | 2012-04-24 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
US8505278B2 (en) * | 2009-04-30 | 2013-08-13 | Cummins Ip, Inc. | Engine system properties controller |
US8256208B2 (en) * | 2008-04-30 | 2012-09-04 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on 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 |
JP4558816B2 (ja) * | 2008-06-05 | 2010-10-06 | 株式会社日本自動車部品総合研究所 | 内燃機関の排気浄化装置 |
GB2460825A (en) * | 2008-06-06 | 2009-12-16 | Delphi Tech Inc | Reagent dosing system |
DE102008035562A1 (de) * | 2008-07-30 | 2010-02-04 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasreinigungssystem für Dieselmotoren von Nutzkraftfahrzeugen |
KR100974599B1 (ko) * | 2008-08-07 | 2010-08-06 | 현대자동차주식회사 | 차량의 요소 분사량 제어장치 및 방법 |
US20100115930A1 (en) * | 2008-11-07 | 2010-05-13 | Gm Global Technology Operations, Inc. | Exhaust after treatment system |
US8225595B2 (en) * | 2008-12-05 | 2012-07-24 | Cummins Ip, Inc. | Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst |
US8356471B2 (en) * | 2008-12-05 | 2013-01-22 | Cummins Ip, Inc. | Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system |
WO2010067805A1 (ja) * | 2008-12-08 | 2010-06-17 | 三菱重工業株式会社 | 排ガス浄化装置 |
US8448424B2 (en) * | 2009-01-16 | 2013-05-28 | Ford Global Technologies, Llc. | Emission control system with an integrated particulate filter and selective catalytic reduction unit |
DE102009000804B4 (de) * | 2009-02-12 | 2013-07-04 | Ford Global Technologies, Llc | Abgasreinigungsanlage |
EP2230001A1 (de) | 2009-03-18 | 2010-09-22 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Abgasbehandlung |
DE102009015419A1 (de) | 2009-03-27 | 2010-09-30 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Zufuhr von Reduktionsmittel in ein Abgassystem und entsprechendes Abgassystem |
US8140248B2 (en) * | 2009-04-07 | 2012-03-20 | General Electric Company | System and method for obtaining an optimal estimate of NOx emissions |
US8813480B2 (en) | 2009-06-03 | 2014-08-26 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification system of internal combustion engine |
DE102009027182A1 (de) * | 2009-06-25 | 2010-12-30 | Robert Bosch Gmbh | Einspritzsystem zum Einspritzen von Fluid in einen Abgastrakt |
US9133749B2 (en) * | 2009-07-10 | 2015-09-15 | Kevin Andrew Gady | Ammonia storage set-point control for selective catalytic reduction applications |
US8516798B2 (en) * | 2009-07-30 | 2013-08-27 | Ford Global Technologies, Llc | Methods and systems for control of an emission system with more than one SCR region |
US8240194B2 (en) | 2009-07-30 | 2012-08-14 | Ford Global Technologies, Llc | Methods and systems for diagnostics of an emission system with more than one SCR region |
DE102009035940C5 (de) * | 2009-08-03 | 2017-04-20 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
WO2011032020A2 (en) * | 2009-09-10 | 2011-03-17 | Cummins Ip, Inc. | Low temperature selective catalytic reduction catalyst and associated systems and methods |
US20110064632A1 (en) * | 2009-09-14 | 2011-03-17 | Ford Global Technologies, Llc | Staged Catalyst System and Method of Using the Same |
US8529754B2 (en) | 2009-09-28 | 2013-09-10 | China Petroleum & Chemical Corporation | Catalytic conversion process for producing more diesel and propylene |
WO2011061839A1 (ja) * | 2009-11-19 | 2011-05-26 | イビデン株式会社 | ハニカム構造体及び排ガス浄化装置 |
US9120056B2 (en) * | 2010-02-16 | 2015-09-01 | Ford Global Technologies, Llc | Catalyst assembly for treating engine exhaust |
DE102010013696A1 (de) * | 2010-04-01 | 2011-10-06 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Abgashandlungsvorrichtung |
EP2375023B1 (de) * | 2010-04-07 | 2012-09-19 | Ford Global Technologies, LLC | Verfahren zur Harnstoffdosierung in einem Abgassystem eines Fahrzeugs |
JP2011220213A (ja) * | 2010-04-08 | 2011-11-04 | Hitachi Constr Mach Co Ltd | 建設機械の内燃機関における排気ガス浄化システム |
US8733083B2 (en) | 2010-04-26 | 2014-05-27 | Cummins Filtration Ip, Inc. | SCR catalyst ammonia surface coverage estimation and control |
CN101940876B (zh) * | 2010-05-21 | 2012-06-27 | 中国神华能源股份有限公司 | 一种烟气脱硝方法 |
CN101940880B (zh) * | 2010-05-21 | 2012-06-27 | 中国神华能源股份有限公司 | 烟气脱硝方法 |
CN101922336A (zh) * | 2010-09-09 | 2010-12-22 | 中国第一汽车集团公司 | 尿素还原剂的四阀喷射方法 |
CN101922334A (zh) * | 2010-09-09 | 2010-12-22 | 中国第一汽车集团公司 | 尿素还原剂的一阀五控喷射方法 |
CN101929375B (zh) * | 2010-09-09 | 2014-04-16 | 中国第一汽车集团公司 | 尿素还原剂的一阀三控喷射方法 |
CN101929379A (zh) * | 2010-09-09 | 2010-12-29 | 中国第一汽车集团公司 | 尿素还原剂的二阀喷射方法 |
CN101929378A (zh) * | 2010-09-09 | 2010-12-29 | 中国第一汽车集团公司 | 尿素还原剂的多阀喷射方法 |
CN101929377A (zh) * | 2010-09-09 | 2010-12-29 | 中国第一汽车集团公司 | 尿素还原剂的三阀喷射方法 |
US8943808B2 (en) | 2010-09-27 | 2015-02-03 | Caterpillar Inc. | Reductant dosing system |
EP2444613B1 (de) * | 2010-10-22 | 2015-03-18 | Volvo Car Corporation | Anordnung und Verfahren zur Behandlung von Abgasen |
JP5804544B2 (ja) * | 2010-10-26 | 2015-11-04 | 日野自動車株式会社 | 内燃機関の排気処理装置 |
DE102010061222B4 (de) | 2010-12-14 | 2015-05-07 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
US8661785B2 (en) | 2011-04-15 | 2014-03-04 | Ford Global Technologies, Llc | System and method for liquid reductant injection |
US8789356B2 (en) * | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
WO2013133801A2 (en) * | 2012-03-06 | 2013-09-12 | International Engine Intellectual Property Company, Llc | Multilayered (double-walled) ammonia canister |
WO2013133799A1 (en) * | 2012-03-06 | 2013-09-12 | International Engine Intellectual Property Company, Llc | Deep drawn, high compaction ammonia canister |
US9162183B2 (en) | 2012-03-06 | 2015-10-20 | Cummins Inc. | System and method to manage SCR catalyst NO2/NOX ratio |
US8997461B2 (en) | 2012-05-21 | 2015-04-07 | Cummins Emission Solutions Inc. | Aftertreatment system having two SCR catalysts |
US20130343959A1 (en) * | 2012-06-21 | 2013-12-26 | Tenneco Automotive Operating Company Inc. | Common rail reductant injection system |
EP2878782B1 (de) * | 2012-06-28 | 2016-12-07 | Bosch Corporation | Abgasreinigungsvorrichtung eines verbrennungsmotors |
SE538193C2 (sv) * | 2012-07-05 | 2016-03-29 | Scania Cv Ab | SCR-system och förfarande vid ett SCR-system |
JP2014020310A (ja) * | 2012-07-20 | 2014-02-03 | Hino Motors Ltd | 排ガス浄化装置 |
CH707551A1 (de) * | 2013-02-01 | 2014-08-15 | Liebherr Machines Bulle Sa | Abgasnachbehandlungssystem. |
US9222388B2 (en) * | 2013-02-28 | 2015-12-29 | Tenneco Automotive Operating Company Inc. | Urea common rail |
MX2015011264A (es) | 2013-03-14 | 2016-04-28 | Basf Corp | Sistema de catalizadores para reduccion catalitica selectiva. |
WO2014160292A1 (en) | 2013-03-14 | 2014-10-02 | Basf Corporation | Selective catalytic reduction catalyst system |
US9181835B2 (en) | 2013-08-13 | 2015-11-10 | Caterpillar Inc. | Supervisory model predictive selective catalytic reduction control method |
US9284872B2 (en) | 2013-09-17 | 2016-03-15 | Cummins Emission Solutions Inc. | System, methods, and apparatus for low temperature dosing in diesel exhaust systems |
CN103511041A (zh) * | 2013-10-17 | 2014-01-15 | 刘观柏 | 一种用于发动机scr的碳酸氢铵湿法制氨及计量喷射系统 |
US9192892B2 (en) | 2014-01-16 | 2015-11-24 | Cummins Emission Solutions, Inc. | Selective dosing module control system |
US9677439B2 (en) | 2014-01-20 | 2017-06-13 | Cummins Inc. | Systems and methods to mitigate NOx and HC emissions |
US9512761B2 (en) | 2014-02-28 | 2016-12-06 | Cummins Inc. | Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption |
US9567888B2 (en) | 2014-03-27 | 2017-02-14 | Cummins Inc. | Systems and methods to reduce reductant consumption in exhaust aftertreament systems |
CN106414930B (zh) | 2014-06-11 | 2019-06-25 | 天纳克汽车经营有限公司 | 带有管线压力控制阀的流体递送系统 |
JP6477250B2 (ja) * | 2014-06-12 | 2019-03-06 | トヨタ自動車株式会社 | 尿素水供給システム |
EP2955351B1 (de) * | 2014-06-12 | 2017-07-26 | Toyota Jidosha Kabushiki Kaisha | Befüllen eines harnstoff-fördersystems |
JP6222168B2 (ja) * | 2014-06-12 | 2017-11-01 | トヨタ自動車株式会社 | 尿素水供給システム |
US9624805B2 (en) * | 2014-08-26 | 2017-04-18 | Caterpillar Inc. | Aftertreatment system having dynamic independent injector control |
JP6330614B2 (ja) * | 2014-10-17 | 2018-05-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置の故障判定装置 |
CN105673154B (zh) | 2014-11-21 | 2019-11-08 | 天纳克(苏州)排放系统有限公司 | 共轨、该共轨的应用、尿素喷射系统及其控制方法 |
EP3228839B1 (de) | 2014-11-21 | 2019-09-25 | Tenneco (Suzhou) Emission System Co.,Ltd. | Common-rail-anordnung, harnstoffeinspritzsystem und anwendung davon |
KR101627052B1 (ko) * | 2014-12-24 | 2016-06-02 | 두산엔진주식회사 | 선택적 촉매 환원 시스템 |
US9644516B1 (en) | 2015-10-16 | 2017-05-09 | Cummins Emission Solutions Inc. | Mounting plate for mounting injectors and directing reductant flow in exhaust conduits |
EP3393630A1 (de) * | 2015-12-22 | 2018-10-31 | Shell Internationale Research Maatschappij B.V. | Katalysatorbett und verfahren zur reduktion von stickoxiden |
EP3393631A1 (de) | 2015-12-22 | 2018-10-31 | Shell Internationale Research Maatschappij B.V. | Reaktor zur reduktion von stickoxiden |
JP6929288B2 (ja) * | 2015-12-22 | 2021-09-01 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 触媒床、及び酸化窒素を減少させるための方法 |
FR3054857B1 (fr) * | 2016-08-04 | 2020-10-16 | Peugeot Citroen Automobiles Sa | Dispositif de post-traitement des gaz d’echappement d’un moteur thermique |
JP6888452B2 (ja) * | 2017-07-20 | 2021-06-16 | いすゞ自動車株式会社 | Scrシステム |
US10753254B2 (en) * | 2018-03-06 | 2020-08-25 | Cummins Emission Solutions Inc. | Reductant insertion assemblies including multiple metering assemblies and a single pump |
DE102018218465A1 (de) * | 2018-10-29 | 2020-04-30 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Abgasnachbehandlungseinrichtung |
CN113924408B (zh) | 2019-05-09 | 2023-11-14 | 康明斯排放处理公司 | 用于分流式紧密联接催化剂的阀门装置 |
JP7215323B2 (ja) * | 2019-05-17 | 2023-01-31 | トヨタ自動車株式会社 | ハイブリッド車両の制御装置 |
WO2021074652A1 (en) | 2019-10-16 | 2021-04-22 | Johnson Matthey Public Limited Company | Composite, zone-coated, dual-use ammonia (amox) and nitric oxide oxidation catalyst |
US11352927B2 (en) * | 2020-07-21 | 2022-06-07 | Paccar Inc | Control of selective catalytic reduction in heavy-duty motor vehicle engines |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3599427A (en) * | 1969-09-22 | 1971-08-17 | Ford Motor Co | Exhaust gas purification |
GB1586530A (en) * | 1977-05-31 | 1981-03-18 | Caterpillar Tractor Co | Two-stage catalysts of engine exhaust |
US4403473A (en) * | 1981-06-22 | 1983-09-13 | Caterpillar Tractor Co. | Ammonia/fuel ratio control system for reducing nitrogen oxide emissions |
EP0148358B1 (de) * | 1983-11-10 | 1991-04-03 | KAT-TEC Gesellschaft für Katalysatortechnik mbH | Katalysator zur Verbrennung und Umwandlung von Gasen und höheren Kohlenwasserstoffen, sowie Vorrichtung zur Reduktion von Stickoxiden und Abgasnachverbrenner mit einem solchen Katalysator |
DE3430870A1 (de) * | 1984-08-22 | 1986-02-27 | Didier Engineering Gmbh, 4300 Essen | Verfahren zur abgasreinigung |
JPS6219229A (ja) * | 1985-07-16 | 1987-01-28 | Babcock Hitachi Kk | アンモニアの注入量制御装置 |
US4842834A (en) * | 1987-02-02 | 1989-06-27 | Fuel Tech, Inc. | Process for reducing the concentration of pollutants in an effluent |
JPS63198713A (ja) * | 1987-02-13 | 1988-08-17 | Hino Motors Ltd | デイ−ゼルエンジンの窒素酸化物除去方法 |
DE3830045C2 (de) * | 1988-09-03 | 1993-09-30 | Bayer Ag | Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators |
KR950012137B1 (ko) * | 1989-02-02 | 1995-10-14 | 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 | 디이젤엔진 배기가스 중의 질소산화물 제거방법 |
US4961917A (en) * | 1989-04-20 | 1990-10-09 | Engelhard Corporation | Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
US5024981A (en) * | 1989-04-20 | 1991-06-18 | Engelhard Corporation | Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same |
US5189876A (en) * | 1990-02-09 | 1993-03-02 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for an internal combustion engine |
DE4038054A1 (de) * | 1990-11-29 | 1992-06-04 | Man Technologie Gmbh | Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen |
DE4109305A1 (de) * | 1991-03-21 | 1992-09-24 | Siemens Ag | Einrichtung zum einbringen eines reaktionsmittels in einen gasstrom |
US5224346A (en) * | 1991-05-16 | 1993-07-06 | James W. Davis | Engine NOx reduction system |
DE4117143C2 (de) * | 1991-05-25 | 1995-04-20 | Daimler Benz Ag | Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in Abgasen aus Kraftfahrzeugdieselmotoren |
US5208205A (en) * | 1991-10-07 | 1993-05-04 | Ford Motor Company | Catalyst system for converting emissions of a lean-burn engine |
JP2783074B2 (ja) * | 1991-10-29 | 1998-08-06 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
WO1993010885A1 (en) * | 1991-11-26 | 1993-06-10 | Engelhard Corporation | Oxidation catalyst and method of use |
DE4203219A1 (de) * | 1992-02-05 | 1993-08-12 | Basf Ag | Verfahren zur stickoxidminderung in abgasen durch gesteuerte nh(pfeil abwaerts)3(pfeil abwaerts)-zugabe |
DE4214183A1 (de) * | 1992-04-30 | 1993-06-09 | Daimler Benz Ag | Abgasnachbehandlungseinrichtung fuer verbrennungsmotoren, mit einem reduktionskatalysator zur selektiven katalytischen reduktion von stickoxiden aus abgasen, insbesondere aus abgasen von kraftfahrzeugdieselmotoren |
DE4217552C1 (de) * | 1992-05-27 | 1993-08-19 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
US5285640A (en) * | 1992-07-21 | 1994-02-15 | Olivo John R | Integrated post-engine emissions heater, catalytic converter and muffler |
JPH06123218A (ja) * | 1992-10-07 | 1994-05-06 | Mitsubishi Motors Corp | 排気ガス浄化装置 |
DE4338883B4 (de) * | 1992-11-24 | 2005-03-03 | Volkswagen Ag | Katalysatoranordnung zum Vermindern von in sauerstoffhaltigen Abgasen enthaltenen Stickoxiden |
US5406790A (en) * | 1992-12-11 | 1995-04-18 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an engine |
EP0611594A1 (de) * | 1993-02-17 | 1994-08-24 | Siemens Aktiengesellschaft | Katalysator zur Umsetzung von Reaktanten eines Gasgemisches |
DE4315278A1 (de) * | 1993-05-07 | 1994-11-10 | Siemens Ag | Verfahren und Einrichtung zur Dosierung eines Reduktionsmittels in ein stickoxidhaltiges Abgas |
EP0652500B1 (de) * | 1993-11-04 | 1998-07-29 | Siemens Aktiengesellschaft | Verfahren und Einrichtung zur Dosierung eines Reaktanten in ein Strömungsmedium |
JP3344040B2 (ja) * | 1993-11-25 | 2002-11-11 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JPH07243322A (ja) * | 1994-03-03 | 1995-09-19 | Hino Motors Ltd | エンジンのNOx低減装置 |
DE4432576A1 (de) * | 1994-09-13 | 1996-03-14 | Siemens Ag | Einrichtung zur Einbringung einer Flüssigkeit in ein Strömungsmedium |
JPH08338297A (ja) * | 1995-04-12 | 1996-12-24 | Toyota Motor Corp | 触媒劣化判定装置 |
JP3557815B2 (ja) * | 1996-11-01 | 2004-08-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE19709102A1 (de) * | 1997-03-06 | 1998-10-08 | Degussa | Katalysatorsystem zur Abgasreinigung von Dieselmotoren |
US5924280A (en) * | 1997-04-04 | 1999-07-20 | Clean Diesel Technologies, Inc. | Reducing NOx emissions from an engine while maximizing fuel economy |
-
1998
- 1998-11-13 US US09/191,779 patent/US6125629A/en not_active Expired - Fee Related
-
1999
- 1999-11-05 KR KR1020017006067A patent/KR100642701B1/ko not_active IP Right Cessation
- 1999-11-05 EP EP99965765A patent/EP1129278B1/de not_active Expired - Lifetime
- 1999-11-05 JP JP2000582694A patent/JP2003529699A/ja active Pending
- 1999-11-05 AU AU21462/00A patent/AU2146200A/en not_active Abandoned
- 1999-11-05 DE DE69910605T patent/DE69910605T2/de not_active Expired - Lifetime
- 1999-11-05 AT AT99965765T patent/ATE247768T1/de not_active IP Right Cessation
- 1999-11-05 WO PCT/US1999/026286 patent/WO2000029728A1/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8201393B2 (en) | 2008-03-05 | 2012-06-19 | Hilite Germany Gmbh | Exhaust-gas aftertreatment device |
Also Published As
Publication number | Publication date |
---|---|
KR100642701B1 (ko) | 2006-11-10 |
US6125629A (en) | 2000-10-03 |
KR20010075708A (ko) | 2001-08-09 |
ATE247768T1 (de) | 2003-09-15 |
EP1129278A1 (de) | 2001-09-05 |
WO2000029728A1 (en) | 2000-05-25 |
DE69910605T2 (de) | 2004-06-17 |
WO2000029728A9 (en) | 2001-04-19 |
EP1129278B1 (de) | 2003-08-20 |
JP2003529699A (ja) | 2003-10-07 |
AU2146200A (en) | 2000-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69910605D1 (de) | Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung | |
GB9802504D0 (en) | Improvements in emission control | |
ES2174545T3 (es) | Procedimiento y dispositivo para la reduccion de oxidos de nitrogeno en el gas de escape de una instalacion de combustion. | |
DE60134473D1 (de) | Abgassanlage für eine verbesserte reduktion von stickoxiden und partikeln eines dieselmotors | |
TR199801663A2 (xx) | Bir redüksiyon malzemesinin bir içten yanmalı motorun nitrikli oksit içeren egzos gazında dozajlanması sistemi. | |
BR0313501A (pt) | Sistema de exaustão para um motor de combustão interna de queima pobre, motor de combustão interna de queima pobre, e, processo para tratar o nox em um gás de exaustão de um motor de combustão interna de queima pobre | |
AU2001296837A1 (en) | Control system for scr applications | |
ATE214782T1 (de) | Nox-reduktionssystem mit einer einrichtung zur reduktionsmitteldosierung | |
DK0998625T3 (da) | Reduktion af emissioner af NOx fra en motor under maksimering af brændstofökonomi | |
ATE224507T1 (de) | Verbesserungen bei abgaspartikelkontrolle | |
ATE157278T1 (de) | Verfahren zur selektiven katalytischen reduktion von nox in wasserdapmf- und sauerstoffhaltigen gasen | |
EP1132585A3 (de) | Emissionssteuerungssystem | |
ATE253972T1 (de) | Verfahren und abgasreinigungsanlage zur katalytischen reduktion von stickoxiden im abgas einer verbrennungsanlage | |
ZA987852B (en) | Automobile emission catalysts | |
IT1261585B (it) | Sistema di scarico per un motore a combustione interna di autoveicolo,e procedimento per la produzione di tale sistema | |
KR20050080532A (ko) | 차량 배기계의 선택적 촉매장치의 제어 방법 | |
ATE320549T1 (de) | Steuersystem für eine abgasnachbehandlungseinrichtung einer brennkraftmaschine | |
Schuckert et al. | Life Cycle Engineering of a Three-Way Catalyst System as An Approach for Government Consultation | |
Roth et al. | Reduction of Exhaust Emission From a Stoichiometric Engine Using Non-Thermal Plasma Generated By a Corona Discharge Device | |
JPH0441917A (ja) | ディーゼルエンジンの排気ガス浄化装置 |