MX2009003860A - Sistema inyector dual para control de emisiones de diesel. - Google Patents

Sistema inyector dual para control de emisiones de diesel.

Info

Publication number
MX2009003860A
MX2009003860A MX2009003860A MX2009003860A MX2009003860A MX 2009003860 A MX2009003860 A MX 2009003860A MX 2009003860 A MX2009003860 A MX 2009003860A MX 2009003860 A MX2009003860 A MX 2009003860A MX 2009003860 A MX2009003860 A MX 2009003860A
Authority
MX
Mexico
Prior art keywords
injector system
emissions control
diesel emissions
dual injector
diesel
Prior art date
Application number
MX2009003860A
Other languages
English (en)
Inventor
James M Valentine
Thomas Vance Eldredge
Gregory John Baccari
Peter Joseph Reba
Original Assignee
Tenneco Automotive Operating
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 Tenneco Automotive Operating filed Critical Tenneco Automotive Operating
Publication of MX2009003860A publication Critical patent/MX2009003860A/es

Links

Classifications

    • 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
    • F01N3/0821Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • 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
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/023Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • F01N3/0253Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • 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
    • F01N3/0814Exhaust 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
    • 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
    • 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]
    • F01N3/208Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N3/24Exhaust 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 constructional aspects of converting apparatus
    • F01N3/36Arrangements for supply of additional fuel
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/03Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146Control thereof, e.g. control of injectors or injection valves
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1473Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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
    • F01N2900/08Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • F01N2900/18Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806Properties of reducing agent or dosing system
    • F01N2900/1814Tank level
    • 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
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

La presente invención proporciona métodos y aparatos para inyectar fluidos, tales como una solución de urea acuosa, en una corriente de escape para reducir emisiones de óxidos de nitrógeno (NOx) del escape de motores diesel. Más particularmente, la presente invención proporciona un sistema inyector-dual para control de emisiones diesel y los métodos correspondientes.
MX2009003860A 2006-10-11 2007-10-11 Sistema inyector dual para control de emisiones de diesel. MX2009003860A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85110406P 2006-10-11 2006-10-11
PCT/US2007/021711 WO2008045499A2 (en) 2006-10-11 2007-10-11 Dual injector system for diesel emissions control

Publications (1)

Publication Number Publication Date
MX2009003860A true MX2009003860A (es) 2009-05-25

Family

ID=39283448

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009003860A MX2009003860A (es) 2006-10-11 2007-10-11 Sistema inyector dual para control de emisiones de diesel.

Country Status (9)

Country Link
US (1) US8109077B2 (es)
EP (1) EP2078141B1 (es)
JP (3) JP2010507037A (es)
KR (1) KR101399049B1 (es)
CN (1) CN101573512B (es)
BR (1) BRPI0719237A2 (es)
CA (1) CA2666333C (es)
MX (1) MX2009003860A (es)
WO (1) WO2008045499A2 (es)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2447139B8 (en) * 2007-02-28 2011-12-21 Scion Sprays Ltd An injection system for delivering fluid to an exhaust system of an internal combustion engine
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
JP2009197603A (ja) * 2008-02-19 2009-09-03 Isuzu Motors Ltd 燃料噴射制御装置
US7896645B2 (en) * 2008-05-30 2011-03-01 Universal Cleanair Technologies Three phased combustion system
DE102009035940C5 (de) * 2009-08-03 2017-04-20 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
US8381514B2 (en) * 2010-02-17 2013-02-26 Tenneco Automotive Operating Company Inc. On-vehicle nitrogen oxide aftertreatment system
US8783023B2 (en) * 2010-05-12 2014-07-22 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification system for internal combustion engine
WO2011145228A1 (ja) * 2010-05-20 2011-11-24 トヨタ自動車株式会社 内燃機関の排気浄化装置
US8551432B2 (en) * 2010-06-04 2013-10-08 International Engine Intellectual Property Company, Llc. System and method for injecting ammonia into an exhaust gas stream
SE535631C2 (sv) * 2010-06-21 2012-10-23 Scania Cv Ab Förfarande vid förekomst av luft i ett HC-doseringssystem och motsvarande HC-doseringssystem
US8776503B2 (en) * 2010-09-20 2014-07-15 GM Global Technology Operations LLC Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system
FR2966872B1 (fr) 2010-11-02 2012-11-16 Peugeot Citroen Automobiles Sa Procede de controle d'un systeme de reduction catalytique selective pour un vehicule et vehicule correspondant
GB2492356A (en) * 2011-06-28 2013-01-02 Gm Global Tech Operations Inc Exhaust gas treatment system with fuel and urea injection
US8635854B2 (en) 2011-08-05 2014-01-28 Tenneco Automotive Operating Company Inc. Reductant injection control system
US20130047581A1 (en) * 2011-08-24 2013-02-28 Joseph G. Ralph Reagent Dosing System
US8701389B2 (en) 2011-12-06 2014-04-22 Tenneco Automotive Operating Company Inc. Reagent injector control system
US20130343959A1 (en) * 2012-06-21 2013-12-26 Tenneco Automotive Operating Company Inc. Common rail reductant injection system
US20140166141A1 (en) * 2012-12-13 2014-06-19 Tenneco Automotive Operating Company Inc. Reductant Injection System with Control Valve
US9222388B2 (en) 2013-02-28 2015-12-29 Tenneco Automotive Operating Company Inc. Urea common rail
US20140260190A1 (en) * 2013-03-13 2014-09-18 Tenneco Automotive Operating Company Inc. Exhaust Aftertreatment Control System And Method For Maximizing Fuel Efficiency While Reducing Emissions
US9016043B2 (en) 2013-03-14 2015-04-28 Tenneco Automotive Operating Company Inc. Exhaust treatment system with urea temperature rationality diagnostic
CN105074150B (zh) * 2013-04-25 2019-04-09 万国引擎知识产权有限责任公司 一种流量歧管系统
US9869226B2 (en) 2013-06-07 2018-01-16 Peerless Mfg. Co. System and method for sequential injection of reagent to reduce NOx from combustion sources
FR3007793B1 (fr) * 2013-07-01 2015-07-17 Peugeot Citroen Automobiles Sa Ligne d'echappement apte a depolluer des gaz d'echappement selon deux modes de fonctionnement
US9221014B2 (en) 2013-11-20 2015-12-29 Tenneco Automotive Operating Company Inc. Fluid injection control system
US9192892B2 (en) 2014-01-16 2015-11-24 Cummins Emission Solutions, Inc. Selective dosing module control system
FR3020833B1 (fr) * 2014-05-06 2016-05-20 Peugeot Citroen Automobiles Sa Vehicule automobile a maintien de fonction de depollution
FR3020831B1 (fr) * 2014-05-06 2021-10-15 Peugeot Citroen Automobiles Sa Vehicule automobile a fonction de depollution a basses temperatures
WO2015188329A1 (en) 2014-06-11 2015-12-17 Tenneco Automotive Operating Company Inc. Fluid delivery system with line pressure control valve
CN106471228B (zh) 2014-07-18 2019-11-19 康明斯排放处理公司 具有双闭环还原剂给料器的废气后处理
US10202883B2 (en) 2014-11-21 2019-02-12 Tenneco (Suzhou) Emission System Co., Ltd. Common rail assembly, urea injection system and application thereof
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
US9512763B2 (en) * 2014-12-05 2016-12-06 Caterpillar Inc. Diesel exhaust fluid dosing system for diesel engine aftertreatment module
GB2537598B (en) * 2015-04-13 2017-09-13 Perkins Engines Co Ltd Method of controlling an engine system
US10577994B2 (en) 2015-06-24 2020-03-03 Cummins Emission Solutions Inc. Control of multiple reductant insertion assemblies using a single controller
US10641154B2 (en) 2015-08-27 2020-05-05 Cummins Emission Solutions Inc. Particulate matter sensor with engineered particle size cut-point
SE539129C2 (en) 2015-08-27 2017-04-11 Scania Cv Ab Process and system for processing a single stream combustion exhaust stream
SE539133C2 (sv) * 2015-08-27 2017-04-11 Scania Cv Ab Avgasbehandlingssystem och förfarande för behandling av en avgasström
US9644516B1 (en) 2015-10-16 2017-05-09 Cummins Emission Solutions Inc. Mounting plate for mounting injectors and directing reductant flow in exhaust conduits
US9903247B2 (en) * 2015-12-31 2018-02-27 Cummins Emission Solutions Inc. Reductant apportionment for multi-dosing architectures
KR101795394B1 (ko) 2016-05-25 2017-12-01 현대자동차 주식회사 배기 시스템 및 우레아 공급량 제어 방법
CN106050369B (zh) * 2016-06-12 2019-03-08 山东康钧环保科技有限公司 一种scr后处理系统尿素供给装置及处理方法
DE102016218710A1 (de) * 2016-09-28 2018-03-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Entleeren einer Abgasnachbehandlungsvorrichtung
CN207598323U (zh) * 2017-03-20 2018-07-10 天纳克(苏州)排放系统有限公司 尾气后处理系统
CN207620879U (zh) * 2017-03-20 2018-07-17 天纳克(苏州)排放系统有限公司 尾气后处理系统
CN112983605B (zh) * 2017-04-13 2022-11-11 康明斯排放处理公司 用于内燃发动机的后处理系统的配给模块
DE112018003392T5 (de) 2017-08-02 2020-03-19 Robert Bosch Gmbh Konzept von mehrfach-def-einspritzung zur reduzierung des risikos der ausbildung von festen ablagerungen in dieselnachbehandlungssystemen
WO2019025870A1 (en) 2017-08-02 2019-02-07 Robert Bosch Gmbh FED INJECTION STRATEGY FOR MULTIPLE INJECTION SYSTEMS
US10746071B2 (en) * 2018-05-01 2020-08-18 Caterpillar Inc. Engine aftertreatment system
US10787945B2 (en) 2018-05-30 2020-09-29 Caterpillar Inc. Urea deposit growth thermal management via multi-zone alternating variable diesel exhaust fluid injection utilizing a physics-based deposit growth and decay model
WO2020143012A1 (en) * 2019-01-11 2020-07-16 Cummins Emission Solutions Inc. Aftertreatment system with multiple dosing modules
US11208934B2 (en) 2019-02-25 2021-12-28 Cummins Emission Solutions Inc. Systems and methods for mixing exhaust gas and reductant
WO2023000166A1 (en) * 2021-07-20 2023-01-26 Robert Bosch Gmbh Exhaust after-treatment system, operating method thereof and computer program product

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871410U (es) * 1971-12-10 1973-09-07
JP2793415B2 (ja) * 1992-02-04 1998-09-03 日野自動車工業株式会社 エンジン排ガス中のNOx低減装置
US6361754B1 (en) 1997-03-27 2002-03-26 Clean Diesel Technologies, Inc. Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction
US6048510A (en) 1997-09-30 2000-04-11 Coal Tech Corporation Method for reducing nitrogen oxides in combustion effluents
JP3557578B2 (ja) * 1997-12-04 2004-08-25 日立造船株式会社 廃棄物焼却炉の排ガス処理方法
JP3482874B2 (ja) * 1998-05-28 2004-01-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3620291B2 (ja) * 1998-06-22 2005-02-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6279603B1 (en) * 1998-10-01 2001-08-28 Ambac International Fluid-cooled injector
US6125629A (en) 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
US6182443B1 (en) * 1999-02-09 2001-02-06 Ford Global Technologies, Inc. Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent
JP3518398B2 (ja) * 1999-03-11 2004-04-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6182444B1 (en) 1999-06-07 2001-02-06 Ford Global Technologies, Inc. Emission control system
JP3617450B2 (ja) * 2000-12-20 2005-02-02 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE10128414A1 (de) * 2001-06-12 2002-12-19 Daimler Chrysler Ag Abgasreinigungsanlage mit Reduktionsmittelversorgung
US20030109047A1 (en) 2001-11-09 2003-06-12 Valentine James M. Continuously-variable control of pollution reducing chemicals for combustion sources
EP1458960B1 (en) 2001-12-20 2011-02-09 Johnson Matthey Public Limited Company Improvements in selective catalytic reduction
US6823663B2 (en) 2002-11-21 2004-11-30 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
WO2004058641A1 (en) 2002-12-17 2004-07-15 Clean Diesel Technologies, Inc. Nox control for ic engines
US6761025B1 (en) 2002-12-19 2004-07-13 Caterpillar Inc. Enhanced ammonia feed control for selective catalytic reduction
JP4141916B2 (ja) * 2003-07-10 2008-08-27 住友ベークライト株式会社 生体組織接着剤塗布用具
US7047784B2 (en) 2003-08-12 2006-05-23 Belco Industries, Inc. Hot cut aluminum billet saw
JP2005207289A (ja) 2004-01-22 2005-08-04 Hino Motors Ltd ディーゼルエンジンの排気管燃料添加方式
US7467749B2 (en) * 2004-04-26 2008-12-23 Tenneco Automotive Operating Company Inc. Methods and apparatus for injecting atomized reagent
JP4308094B2 (ja) * 2004-06-23 2009-08-05 日野自動車株式会社 還元剤供給装置
US20060013704A1 (en) 2004-06-30 2006-01-19 Teruya Sawada Liquid aeration delivery apparatus
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
SE0402499L (sv) * 2004-10-13 2006-02-21 Volvo Lastvagnar Ab Motordrivet fordon och metod med fragmenterad insprutning av kolväten för optimerad oxidering av kvävemonoxid i avgasefterbehandlingssystem
JP2006125247A (ja) * 2004-10-27 2006-05-18 Hitachi Ltd エンジンの排気ガス浄化方法及び排気ガス浄化装置
JP4904281B2 (ja) * 2004-10-29 2012-03-28 フィリップ・モリス・ユーエスエイ・インコーポレイテッド リーンバーン内燃エンジンのNOx還元用の還元剤計量システム
WO2006066043A1 (en) 2004-12-15 2006-06-22 Donaldson Company, Inc. Control for an engine exhaust treatment system

Also Published As

Publication number Publication date
KR101399049B1 (ko) 2014-05-27
CA2666333C (en) 2015-01-27
US20080087008A1 (en) 2008-04-17
JP2013083269A (ja) 2013-05-09
JP2010507037A (ja) 2010-03-04
WO2008045499A3 (en) 2008-11-27
CN101573512A (zh) 2009-11-04
EP2078141A4 (en) 2010-12-01
KR20090077912A (ko) 2009-07-16
US8109077B2 (en) 2012-02-07
CN101573512B (zh) 2013-03-06
CA2666333A1 (en) 2008-04-17
WO2008045499A2 (en) 2008-04-17
EP2078141B1 (en) 2015-12-09
EP2078141A2 (en) 2009-07-15
JP2014238095A (ja) 2014-12-18
BRPI0719237A2 (pt) 2014-04-29

Similar Documents

Publication Publication Date Title
MX2009003860A (es) Sistema inyector dual para control de emisiones de diesel.
WO2009135021A3 (en) Apparatus, system, and method for reducing nox emissions on an scr catalyst
WO2013004629A3 (de) Ammoniakgasgenerator sowie verfahren zur erzeugung von ammoniak zur reduzierung von stickoxiden in abgasen
WO2006121993A3 (en) Method and apparatus for selective catalytic reduction of nox
WO2009135016A3 (en) Apparatus, system, and method for reducing nox emissions on an scr catalyst
ES2531164T3 (es) Método de trabajo de un sistema de tratamiento final de gases de escape y sistema de tratamiento final de gases de escape
WO2009135014A3 (en) Apparatus, system, and method for reducing nox emissions on an scr catalyst using ammonia storage and slip control
WO2009135010A3 (en) Apparatus, system, and method for controlling ammonia slip from an scr catalyst
WO2011103157A3 (en) On-vehicle nitrogen oxide aftertreatment system
WO2007084691A3 (en) SYSTEM AND METHOD FOR NOx REDUCTION OPTIMIZATION
WO2009076574A3 (en) Emission treatment system
ITMI20050601A1 (it) Metodo e sistema di controllo per un motore dotato di impianto scr
GB0810382D0 (en) Reagent dosing system
PT2129452T (pt) Uso de uma solução aquosa em sistemas rcs para o tratamento de gases de escape de motores a diesel e método rcs
WO2013104544A3 (de) Abgassystem einer brennkraftmaschine und verfahren zur aufbereitung eines in brennkraftmaschinenabgas eingebrachten reduktionsmittels
WO2013036406A3 (en) Pre-injection exhaust flow modifier
WO2007098514A3 (de) Abgassystem für eine brennkraftmaschine
MX2009002958A (es) Catalizador, metodo para su preparacion y sistema para reducir nox en una corriente de gas de escape.
EP1974799A3 (en) Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction
ATE550529T1 (de) Scr-system zur reinigung von abgasen in nox
ATE386875T1 (de) Dosierventilanordnung sowie verfahren zum betreiben einer dosierventilanordnung
WO2006052168A8 (en) System and method for reduction of nitrogen oxides from exhaust gases generated by a lean-burn internal combustion engine
WO2009031471A1 (ja) 内燃機関の排気浄化システム
WO2009041641A1 (ja) 内燃機関の排気浄化システム
AU2012344972A8 (en) Exhaust gas purification device for internal combustion engine

Legal Events

Date Code Title Description
FG Grant or registration