IN2014MN02640A - - Google Patents

Info

Publication number
IN2014MN02640A
IN2014MN02640A IN2640MUN2014A IN2014MN02640A IN 2014MN02640 A IN2014MN02640 A IN 2014MN02640A IN 2640MUN2014 A IN2640MUN2014 A IN 2640MUN2014A IN 2014MN02640 A IN2014MN02640 A IN 2014MN02640A
Authority
IN
India
Prior art keywords
ahi
scr
doc
injection event
measuring
Prior art date
Application number
Other languages
English (en)
Inventor
Qunlong Dong
Chun Tai
Original Assignee
Mack Trucks
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mack Trucks filed Critical Mack Trucks
Publication of IN2014MN02640A publication Critical patent/IN2014MN02640A/en

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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/103—Oxidation catalysts for HC and CO only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/04—Filtering activity of particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/05—Systems for adding substances into exhaust
    • 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
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • 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
    • F01N2900/1618—HC-slip from catalyst
    • 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
    • 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
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1812—Flow rate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
IN2640MUN2014 2012-06-13 2012-06-13 IN2014MN02640A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/042115 WO2013187888A1 (fr) 2012-06-13 2012-06-13 Procédé de surveillance des composants dans un système de post-traitement des gaz d'échappement, système de post-traitement des gaz d'échappement et organe de commande destiné à un système de post-traitement des gaz d'échappement

Publications (1)

Publication Number Publication Date
IN2014MN02640A true IN2014MN02640A (fr) 2015-10-16

Family

ID=49758565

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2640MUN2014 IN2014MN02640A (fr) 2012-06-13 2012-06-13

Country Status (11)

Country Link
US (1) US9115631B2 (fr)
EP (1) EP2861840B1 (fr)
JP (1) JP6006869B2 (fr)
KR (1) KR20150024384A (fr)
CN (1) CN104603410B (fr)
AU (1) AU2012382388B2 (fr)
BR (1) BR112014031342A2 (fr)
CA (1) CA2874588A1 (fr)
IN (1) IN2014MN02640A (fr)
RU (1) RU2605486C2 (fr)
WO (1) WO2013187888A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6308548B2 (ja) * 2014-02-21 2018-04-11 ボッシュ株式会社 内燃機関の排気浄化装置
JP6287896B2 (ja) * 2015-03-06 2018-03-07 トヨタ自動車株式会社 触媒の劣化診断装置
GB2536947A (en) * 2015-04-01 2016-10-05 Gm Global Tech Operations Llc Method and system for diagnosing efficiency of an aftertreatment system of an internal combustion engine
US20180163600A1 (en) * 2016-12-13 2018-06-14 Caterpillar Inc. Compact hydrocarbon dosing and mixing system and method
WO2018139992A1 (fr) * 2017-01-24 2018-08-02 Volvo Truck Corporation Procédé de surveillance de composants dans un système de post-traitement des gaz d'échappement et agencement de moteur comprenant un agencement de surveillance de système de post-traitement des gaz d'échappement
US10634032B2 (en) * 2017-12-15 2020-04-28 GM Global Technology Operations LLC Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine
CN108930578B (zh) * 2018-06-27 2020-09-29 潍柴动力股份有限公司 Doc中毒的检测和保护方法
CN109026295B (zh) * 2018-08-22 2023-09-01 东风商用车有限公司 一种劣化后处理器的系统和方法
CN110206621B (zh) * 2019-05-29 2022-01-11 一汽解放汽车有限公司 一种宽温度窗口的高效柴油机后处理装置及其控制方法
CN111577434A (zh) * 2020-04-26 2020-08-25 东风商用车有限公司 Doc的故障判定方法
GB202106257D0 (en) * 2021-04-30 2021-06-16 Agco Int Gmbh Exhaust gas aftertreatment system and method
CN114483278A (zh) * 2022-02-18 2022-05-13 安徽华菱汽车有限公司 一种doc系统故障监测装置及故障检测方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6487852B1 (en) 2001-09-04 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling reactant injection into an active lean NOx catalyst
US6983589B2 (en) 2003-05-07 2006-01-10 Ford Global Technologies, Llc Diesel aftertreatment systems
WO2005090759A1 (fr) * 2004-03-16 2005-09-29 Pyroban Ltd Procede et dispositif ayant trait au regime de regeneration d'un filtre d'echappement
JP4267534B2 (ja) * 2004-07-23 2009-05-27 日野自動車株式会社 排気浄化装置の異常検知方法
DE102005062120B4 (de) * 2005-12-23 2016-06-09 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung eines Abgasnachbehandlungssystems
US20070256407A1 (en) * 2006-05-05 2007-11-08 Eaton Corporation Reformer temperature control with leading temperature estimation
JP2009127496A (ja) * 2007-11-21 2009-06-11 Toyota Motor Corp ＮＯｘ浄化装置における診断方法および診断装置
JP2009228589A (ja) * 2008-03-24 2009-10-08 Denso Corp 排気浄化システムおよびその排気浄化制御装置
JP5173577B2 (ja) * 2008-05-15 2013-04-03 トヨタ自動車株式会社 パティキュレートフィルタ異常判定方法
US7942043B2 (en) * 2009-02-19 2011-05-17 Detroit Diesel Corporation On-board aftertreatment device tail pipe hydrocarbon slip calculation
US8555617B2 (en) * 2009-03-26 2013-10-15 GM Global Technology Operations LLC Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same
JP5478110B2 (ja) * 2009-04-30 2014-04-23 日野自動車株式会社 還元剤の異常検出方法
GB2470391B (en) * 2009-05-21 2013-08-07 Gm Global Tech Operations Inc Method for diagnosing a diesel oxidation catalyst
US8409515B2 (en) * 2009-07-14 2013-04-02 GM Global Technology Operations LLC Exhaust gas treatment system
US8407985B2 (en) 2009-07-28 2013-04-02 International Engine Intellectual Property Company, Llc Method of monitoring hydrocarbon levels in a diesel particulate filter
US8205436B2 (en) 2009-11-03 2012-06-26 International Engine Intellectual Property Company, Llc Unintended exothermal reactions monitoring for diesel after-treatment systems
JP5348001B2 (ja) * 2010-02-09 2013-11-20 三菱自動車工業株式会社 内燃機関の排気浄化装置
US8474245B2 (en) * 2010-04-28 2013-07-02 GM Global Technology Operations LLC Exhaust and component temperature estimation systems and methods
US8621854B2 (en) * 2010-06-29 2014-01-07 GM Global Technology Operations LLC System and method for determining an age of and controlling a selective catalytic reduction catalyst
US8413432B2 (en) * 2010-06-30 2013-04-09 GM Global Technology Operations LLC Particulate filter regeneration interruption systems and methods
CN103124837B (zh) * 2010-07-02 2016-06-22 马克卡车公司 处理柴油发动机排气的方法、柴油发动机和排气后处理系统以及车辆
US20120023911A1 (en) * 2010-07-28 2012-02-02 Gm Global Technology Operations, Inc. Detection of exhaust particulate filter substrate failure
WO2012067617A1 (fr) * 2010-11-18 2012-05-24 Mack Trucks, Inc. Procédé et agencement de moteur pour la suppression des nox

Also Published As

Publication number Publication date
US9115631B2 (en) 2015-08-25
CA2874588A1 (fr) 2013-12-19
RU2605486C2 (ru) 2016-12-20
EP2861840A1 (fr) 2015-04-22
AU2012382388B2 (en) 2017-03-16
JP6006869B2 (ja) 2016-10-12
CN104603410B (zh) 2017-10-13
KR20150024384A (ko) 2015-03-06
WO2013187888A1 (fr) 2013-12-19
RU2015100085A (ru) 2016-08-10
CN104603410A (zh) 2015-05-06
AU2012382388A1 (en) 2014-12-04
BR112014031342A2 (pt) 2017-06-27
JP2015519518A (ja) 2015-07-09
US20150096283A1 (en) 2015-04-09
EP2861840B1 (fr) 2018-08-01
EP2861840A4 (fr) 2016-06-01

Similar Documents

Publication Publication Date Title
IN2014MN02640A (fr)
US9677439B2 (en) Systems and methods to mitigate NOx and HC emissions
US20170114690A1 (en) Systems and methods to reduce reductant consumption in exhaust aftertreatment systems
US10799833B2 (en) Sensor configuration for aftertreatment system including SCR on filter
GB2521576A (en) Close-coupled SCR system
ATE523669T1 (de) Abgasnachbehandlungssystem
EP2554816A3 (fr) Contrôle des émissions de NH3 dans un système de réduction des NOx
EP2505803A3 (fr) Système de moteur à allumage par compression avec filtre à particules diesel revêtu d'un catalyseur de réduction NOx et procédé de fonctionnement stable
GB2473999A (en) Exhaust system for a lean burn ic engine
RU2011132163A (ru) Синергические конфигурации scr/doc для снижения выбросов дизельного двигателя
WO2014016616A9 (fr) Procédé et appareil de commande d'un système de post-traitement de gaz d'échappement
WO2009134831A3 (fr) Réduction catalytique sélective d’ammoniac passive pour le contrôle de nox dans des moteurs à combustion interne
IN2014DN10230A (fr)
WO2012096510A3 (fr) Dispositif de post-traitement de gaz d'échappement pour moteur diesel
EA201491619A1 (ru) Способ и система для удаления вредных соединений из выхлопного газа двигателя
WO2009135060A3 (fr) Appareil, système et procédé pour réduire les émissions de no<sb>x</sb> sur un catalyseur à réduction catalytique sélective (rcs)
MX2017013268A (es) Sistema de tratamiento de emisiones de escape de motor.
WO2014167351A3 (fr) Module d'épuration des gaz d'échappement
RU2013130789A (ru) Способ работы системы выпуска двигателя и система выпуска двигателя транспортного средства
US10436089B2 (en) Radio frequency sensor in an exhaust aftertreatment system
US20130312392A1 (en) Systems and methods to mitigate nox and hc emissions at low exhaust temperatures
GB201121468D0 (en) Improvements in automotive catalytic aftertreatment
RU2012142678A (ru) Улучшенное снижение выбросов
US20150218992A1 (en) Targeted regeneration of a catalyst in an aftertreatment system
AR085525A1 (es) Metodo para regenerar un filtro de particulas en el sistema de escape de los gases de escape de un motor de combustion interna de combustion pobre