CN1448620A - 内燃机的NOx清除设备和NOx清除方法 - Google Patents
内燃机的NOx清除设备和NOx清除方法 Download PDFInfo
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- CN1448620A CN1448620A CN02159067A CN02159067A CN1448620A CN 1448620 A CN1448620 A CN 1448620A CN 02159067 A CN02159067 A CN 02159067A CN 02159067 A CN02159067 A CN 02159067A CN 1448620 A CN1448620 A CN 1448620A
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
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- 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
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- 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
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- 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
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- 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
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- 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
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- 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
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
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- 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
- F01N2570/14—Nitrogen oxides
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- 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
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- 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
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- 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
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
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- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1621—Catalyst conversion efficiency
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- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP095987/2002 | 2002-03-29 | ||
JP2002095987A JP3951774B2 (ja) | 2002-03-29 | 2002-03-29 | 内燃機関のNОx浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1448620A true CN1448620A (zh) | 2003-10-15 |
CN1267627C CN1267627C (zh) | 2006-08-02 |
Family
ID=27800557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021590672A Expired - Lifetime CN1267627C (zh) | 2002-03-29 | 2002-12-27 | 内燃机的NOx清除设备和NOx清除方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6755014B2 (zh) |
EP (1) | EP1348477B1 (zh) |
JP (1) | JP3951774B2 (zh) |
KR (1) | KR100490813B1 (zh) |
CN (1) | CN1267627C (zh) |
DE (1) | DE60203781T2 (zh) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100385102C (zh) * | 2004-12-20 | 2008-04-30 | 通用汽车公司 | 用于控制向scr催化剂的尿素供给的系统 |
CN100390383C (zh) * | 2003-10-31 | 2008-05-28 | 日产柴油机车工业株式会社 | 液体还原剂的浓度及剩余量检测装置 |
CN100390380C (zh) * | 2003-10-27 | 2008-05-28 | 日产柴油机车工业株式会社 | 液体辨别装置及液体辨别方法 |
CN100451307C (zh) * | 2004-12-18 | 2009-01-14 | 赫多特普索化工设备公司 | 控制还原剂喷入内燃机废气中的方法 |
CN100453777C (zh) * | 2004-07-08 | 2009-01-21 | 日野自动车株式会社 | 用于控制废气排放控制装置的方法 |
CN1981915B (zh) * | 2005-12-09 | 2010-08-04 | 三菱扶桑卡客车株式会社 | 排气净化装置 |
CN1936286B (zh) * | 2005-09-22 | 2010-09-29 | 德国曼商用车辆股份公司 | 具有带scr催化器的排气系统的废气涡轮增压内燃机 |
CN101069001B (zh) * | 2004-10-13 | 2010-09-29 | 莱奥林奇有限责任公司 | 用于将还原剂定量喷射到内燃机排气管路中的装置 |
CN101384800B (zh) * | 2006-03-06 | 2011-02-02 | 丰田自动车株式会社 | 内燃机的排气净化装置 |
CN101408123B (zh) * | 2007-10-09 | 2011-09-14 | 三菱扶桑卡客车株式会社 | 发动机用排气净化装置 |
CN102245868A (zh) * | 2008-12-08 | 2011-11-16 | 三菱重工业株式会社 | 废气净化装置 |
CN102348876A (zh) * | 2009-03-11 | 2012-02-08 | 丰田自动车株式会社 | 用于内燃发动机的排气净化系统 |
CN101835960B (zh) * | 2007-10-30 | 2012-08-29 | 卡明斯公司 | 用于估算由内燃机产生的NOx的系统和方法 |
CN102971502A (zh) * | 2010-07-07 | 2013-03-13 | 丰田自动车株式会社 | 用于内燃发动机的排气净化设备和还原剂分配方法 |
CN101821486B (zh) * | 2007-10-09 | 2013-04-10 | 奥迪股份公司 | 用于对稀燃发动机的排气进行后处理的系统 |
CN101802358B (zh) * | 2007-09-19 | 2013-05-29 | 欧陆汽车有限责任公司 | 用于在拥有scr催化器的尾气后处理系统中检测还原剂输入装置的最小开启时间的方法 |
CN102076934B (zh) * | 2008-08-05 | 2013-05-29 | 欧陆汽车有限责任公司 | 用于控制废气后处理的方法和装置 |
CN101815851B (zh) * | 2007-07-24 | 2013-09-18 | 佛吉亚排放控制技术德国有限公司 | 用于将还原剂引入到内燃发动机的排气系统的排气管中的组件和方法 |
CN104379891A (zh) * | 2012-06-20 | 2015-02-25 | 丰田自动车株式会社 | 内燃机的排气净化装置 |
US9726064B2 (en) | 2015-04-30 | 2017-08-08 | Faurecia Emissions Control Technologies, Usa, Llc | Mixer for use in a vehicle exhaust system |
US10933387B2 (en) | 2016-10-21 | 2021-03-02 | Faurecia Emissions Control Technologies, Usa, Llc | Reducing agent mixer |
Families Citing this family (89)
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JP2001303934A (ja) * | 1998-06-23 | 2001-10-31 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
US7497076B2 (en) * | 2002-05-07 | 2009-03-03 | Extengine Transport Systems | Emission control system |
DE10301477A1 (de) * | 2003-01-17 | 2004-07-29 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Dosiereinheit eines Katalysators |
JP4284087B2 (ja) * | 2003-02-18 | 2009-06-24 | 本田技研工業株式会社 | 内燃機関の排気ガス浄化装置 |
EP1477655A1 (en) * | 2003-05-13 | 2004-11-17 | Haldor Topsoe A/S | Process for controlled addition of a reducing agent into nitrogen oxides containing exhaust gas |
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JP2006002663A (ja) * | 2004-06-17 | 2006-01-05 | Hino Motors Ltd | 排気浄化装置 |
JP4267535B2 (ja) * | 2004-07-23 | 2009-05-27 | 日野自動車株式会社 | 排気浄化装置のNOx低減率測定方法 |
JP4267536B2 (ja) * | 2004-08-09 | 2009-05-27 | 日野自動車株式会社 | 排気浄化装置の制御方法 |
US7784272B2 (en) * | 2004-08-31 | 2010-08-31 | Cummins Inc. | Control system for an engine aftertreatment system |
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US7644577B2 (en) * | 2004-10-29 | 2010-01-12 | Philip Morris Usa, Inc. | Reducing agent metering system for reducing NOx in lean burn internal combustion engines |
US8215098B2 (en) * | 2005-05-02 | 2012-07-10 | Cummins Inc. | Method and apparatus for diagnosing exhaust gas aftertreatment component degradation |
DE102005031720B4 (de) | 2005-07-07 | 2020-06-18 | Daimler Ag | Verfahren zur Dosierung eines Reduktionsmittels |
US20070042495A1 (en) * | 2005-08-22 | 2007-02-22 | Detroit Diesel Corporation | Method of controlling injection of a reducing agent in an engine emissions control system |
US7418816B2 (en) * | 2005-09-01 | 2008-09-02 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US20070044456A1 (en) * | 2005-09-01 | 2007-03-01 | Devesh Upadhyay | Exhaust gas aftertreatment systems |
DE102005048117A1 (de) * | 2005-10-06 | 2007-04-12 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren und Vorrichtung zur Reduktion des Stickoxidanteils im Abgas einer Verbrennungskraftmaschine |
US7426825B2 (en) * | 2006-07-25 | 2008-09-23 | Gm Global Technology Operations, Inc. | Method and apparatus for urea injection in an exhaust aftertreatment system |
US7610750B2 (en) * | 2006-07-25 | 2009-11-03 | Gm Global Technology Operations, Inc. | Method and apparatus for monitoring a urea injection system in an exhaust aftertreatment system |
JP4656071B2 (ja) * | 2007-03-01 | 2011-03-23 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
FR2914013A1 (fr) * | 2007-03-22 | 2008-09-26 | Peugeot Citroen Automobiles Sa | Procede d'injection d'uree a basse temperature |
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- 2002-12-20 EP EP02028721A patent/EP1348477B1/en not_active Expired - Lifetime
- 2002-12-20 DE DE60203781T patent/DE60203781T2/de not_active Expired - Lifetime
- 2002-12-27 US US10/329,705 patent/US6755014B2/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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US20030182935A1 (en) | 2003-10-02 |
KR20030078622A (ko) | 2003-10-08 |
EP1348477B1 (en) | 2005-04-20 |
US6755014B2 (en) | 2004-06-29 |
JP3951774B2 (ja) | 2007-08-01 |
CN1267627C (zh) | 2006-08-02 |
EP1348477A1 (en) | 2003-10-01 |
DE60203781D1 (de) | 2005-05-25 |
JP2003293737A (ja) | 2003-10-15 |
KR100490813B1 (ko) | 2005-05-24 |
DE60203781T2 (de) | 2005-09-29 |
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