RU2623003C2 - Способ обнаружения отравления серой в системе очистки выхлопа - Google Patents

Способ обнаружения отравления серой в системе очистки выхлопа Download PDF

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RU2623003C2
RU2623003C2 RU2014148590A RU2014148590A RU2623003C2 RU 2623003 C2 RU2623003 C2 RU 2623003C2 RU 2014148590 A RU2014148590 A RU 2014148590A RU 2014148590 A RU2014148590 A RU 2014148590A RU 2623003 C2 RU2623003 C2 RU 2623003C2
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nox2
doc
temperature
reducing agent
dpf
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RU2014148590A
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RU2014148590A (ru
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Ола СТЕНЛООС
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Сканиа Св Аб
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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
    • F01N3/2066Selective catalytic reduction [SCR]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/103Oxidation catalysts for HC and CO only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/105General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106Auxiliary oxidation catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00Electrical control of exhaust gas treating apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/009Exhaust 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02Catalytic activity of catalytic converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/04Filtering activity of particulate filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/04Sulfur or sulfur oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04Methods of control or diagnosing
    • F01N2900/0412Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04Methods of control or diagnosing
    • F01N2900/0416Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402Exhaust gas composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1404Exhaust gas temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602Temperature of exhaust gas apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1606Particle filter loading or soot amount
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1621Catalyst conversion efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems
RU2014148590A 2012-05-03 2013-04-24 Способ обнаружения отравления серой в системе очистки выхлопа RU2623003C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1250441-1 2012-05-03
SE1250441A SE538378C2 (sv) 2012-05-03 2012-05-03 Metod för detektering av svavelförgiftning i ett avgasefterbehandlingssystem
PCT/SE2013/050452 WO2013165302A1 (en) 2012-05-03 2013-04-24 Method for detecting sulphur poisoning in an exhaust treatment system

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RU2014148590A RU2014148590A (ru) 2016-06-20
RU2623003C2 true RU2623003C2 (ru) 2017-06-21

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EP (1) EP2885513A4 (sv)
CN (1) CN104271909A (sv)
BR (1) BR112014026956A2 (sv)
RU (1) RU2623003C2 (sv)
SE (1) SE538378C2 (sv)
WO (1) WO2013165302A1 (sv)

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DE102014203621B4 (de) 2014-02-27 2016-02-04 Mtu Friedrichshafen Gmbh Verfahren zur Ascheerkennung in einem Partikelfilter eines Abgasnachbehandlungssystems einer Brennkraftmaschine, Steuereinrichtung und Brennkraftmaschine
JP6144652B2 (ja) * 2014-07-23 2017-06-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102017100518A1 (de) * 2016-02-04 2017-08-10 Umicore Ag & Co. Kg System und Verfahren zur Abgasreinigung unter Vermeidung von Lachgas
FR3048722B1 (fr) * 2016-03-09 2018-03-16 Peugeot Citroen Automobiles Sa Methodes et systemes pour diagnostiquer un dispositif de reduction catalytique selective
FR3048721B1 (fr) * 2016-03-09 2018-03-16 Peugeot Citroen Automobiles Sa Methodes et systemes pour diagnostiquer un catalyseur d’oxydation diesel
CN106401704B (zh) * 2016-10-28 2019-01-04 东风商用车有限公司 一种柴油机scr催化器硫中毒消除装置及其使用方法
US11549423B2 (en) 2017-01-16 2023-01-10 Scania Cv Ab System and a method for determining a cause for impaired performance of a catalytic configuration
EP3498993A1 (de) * 2017-12-15 2019-06-19 Umicore Ag & Co. Kg Kombination eines zeolithbasierten scr mit einem manganbasierten scr im bypass
SE542302C2 (en) * 2018-04-24 2020-04-07 Scania Cv Ab Method and contol system for control of dosage of a reducing agent
CN108868981B (zh) * 2018-06-29 2019-12-10 潍柴动力股份有限公司 一种检测系统及方法
CN109707494B (zh) * 2018-12-28 2020-04-24 潍柴动力股份有限公司 一种后处理硫中毒的处理方法和装置
WO2020248087A1 (en) 2019-06-10 2020-12-17 Cummins Emission Solutions Inc. Fuel analysis systems and methods
CN110273740B (zh) * 2019-07-01 2020-09-29 潍柴动力股份有限公司 一种柴油机氧化催化器硫中毒的监控方法、装置及系统
CN110714823B (zh) * 2019-09-24 2020-11-20 潍柴动力股份有限公司 Doc硫中毒的检测方法、检测装置及发动机
CN110578591A (zh) * 2019-09-29 2019-12-17 无锡威孚力达催化净化器有限责任公司 用于发动机后处理的总成集成线束装置
SE543753C2 (en) * 2019-11-19 2021-07-13 Scania Cv Ab Method and system for diagnosing oxidation of a substance in an exhaust gas stream
CN110761882B (zh) * 2019-12-26 2020-04-07 潍柴动力股份有限公司 一种scr硫中毒的判断方法及判断系统
CN111770141B (zh) * 2020-06-12 2021-09-10 吉林大学 一种基于车联网的车辆燃油含硫量的评估方法
CN112539114B (zh) * 2020-12-01 2022-11-29 潍柴动力股份有限公司 催化剂硫中毒的处理方法及装置、电子设备、存储介质
CN112983613B (zh) * 2021-03-29 2022-07-15 潍柴动力股份有限公司 一种氮氧传感器故障判断方法及相关装置
CN113027581B (zh) * 2021-03-31 2022-01-25 潍柴动力股份有限公司 一种scr催化器硫中毒检测方法及装置
CN114046197B (zh) * 2021-10-11 2023-03-21 潍柴动力股份有限公司 一种废气处理的方法、装置及可读存储介质
CN114542249B (zh) * 2022-02-08 2023-04-18 潍柴动力股份有限公司 氧化催化转换器的异常处理方法及相关装置
CN114577688A (zh) * 2022-03-03 2022-06-03 潍柴动力股份有限公司 一种检测车用柴油硫含量的系统及方法

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US20070199307A1 (en) * 2004-07-23 2007-08-30 Hino Motors, Ltd. Method For Determining NOx Reduction Ratio In Exhaust Emission Control Device
EP1936164A1 (en) * 2006-12-22 2008-06-25 Ford Global Technologies, LLC An internal combustion engine system and a method for determining a condition of an exhaust gas treatment device in such a system
RU2381370C1 (ru) * 2006-07-04 2010-02-10 Тойота Дзидося Кабусики Кайся Устройство для очистки выхлопных газов и способ очистки выхлопных газов двигателя внутреннего сгорания

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JP4355003B2 (ja) * 2007-03-08 2009-10-28 本田技研工業株式会社 内燃機関の制御装置
JP4962348B2 (ja) * 2008-02-26 2012-06-27 日産自動車株式会社 内燃機関の排気浄化装置及び浄化方法
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
EP2376750B1 (en) * 2008-12-12 2018-10-03 Volvo Lastvagnar AB Scr closed loop control system
US8091416B2 (en) * 2009-01-16 2012-01-10 GM Global Technology Operations LLC Robust design of diagnostic enabling conditions for SCR NOx conversion efficiency monitor

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Publication number Priority date Publication date Assignee Title
US6161377A (en) * 1997-10-25 2000-12-19 Daimlerchrysler Ag Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor
US20070199307A1 (en) * 2004-07-23 2007-08-30 Hino Motors, Ltd. Method For Determining NOx Reduction Ratio In Exhaust Emission Control Device
RU2381370C1 (ru) * 2006-07-04 2010-02-10 Тойота Дзидося Кабусики Кайся Устройство для очистки выхлопных газов и способ очистки выхлопных газов двигателя внутреннего сгорания
EP1936164A1 (en) * 2006-12-22 2008-06-25 Ford Global Technologies, LLC An internal combustion engine system and a method for determining a condition of an exhaust gas treatment device in such a system

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EP2885513A1 (en) 2015-06-24
WO2013165302A1 (en) 2013-11-07
SE538378C2 (sv) 2016-06-07
CN104271909A (zh) 2015-01-07
EP2885513A4 (en) 2016-06-08
BR112014026956A2 (pt) 2017-06-27
RU2014148590A (ru) 2016-06-20
SE1250441A1 (sv) 2013-11-04

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