CA2667062A1 - Fluid injecting and mixing systems for exhaust after-treatment devices - Google Patents

Fluid injecting and mixing systems for exhaust after-treatment devices Download PDF

Info

Publication number
CA2667062A1
CA2667062A1 CA002667062A CA2667062A CA2667062A1 CA 2667062 A1 CA2667062 A1 CA 2667062A1 CA 002667062 A CA002667062 A CA 002667062A CA 2667062 A CA2667062 A CA 2667062A CA 2667062 A1 CA2667062 A1 CA 2667062A1
Authority
CA
Canada
Prior art keywords
exhaust
fluid
mixing chamber
secondary fluid
treatment apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002667062A
Other languages
English (en)
French (fr)
Inventor
Markus Schuster
Ted G. Gomulka
Sascha Haverkamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Automotive Operating Co Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2667062A1 publication Critical patent/CA2667062A1/en
Abandoned legal-status Critical Current

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
    • 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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • 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
    • 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
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • 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
    • F01N3/24—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 constructional aspects of converting 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
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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

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)
CA002667062A 2006-12-14 2007-10-30 Fluid injecting and mixing systems for exhaust after-treatment devices Abandoned CA2667062A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US87492106P 2006-12-14 2006-12-14
US60/874,921 2006-12-14
US11/862,293 US20080141662A1 (en) 2006-12-14 2007-09-27 Fluid injecting and mixing systems for exhaust after-treatment devices
US11/862,293 2007-09-27
PCT/US2007/022851 WO2008076175A2 (en) 2006-12-14 2007-10-30 Fluid injecting and mixing systems for exhaust after-treatment devices

Publications (1)

Publication Number Publication Date
CA2667062A1 true CA2667062A1 (en) 2008-06-26

Family

ID=39525486

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002667062A Abandoned CA2667062A1 (en) 2006-12-14 2007-10-30 Fluid injecting and mixing systems for exhaust after-treatment devices

Country Status (9)

Country Link
US (1) US20080141662A1 (de)
JP (1) JP2010513773A (de)
KR (1) KR20090094457A (de)
CN (1) CN101563529A (de)
BR (1) BRPI0720024A2 (de)
CA (1) CA2667062A1 (de)
DE (1) DE112007002861T5 (de)
MX (1) MX2009006290A (de)
WO (1) WO2008076175A2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2358982B1 (de) 2008-12-17 2017-11-08 Donaldson Company, Inc. Flussvorrichtung für ein abgassystem
US8505279B2 (en) * 2009-03-26 2013-08-13 GM Global Technology Operations LLC Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same
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
US20110047970A1 (en) * 2009-09-01 2011-03-03 Cummins Intellectual Properties, Inc. HIGH EFFICIENCY NOx REDUCTION SYSTEM AND METHOD
US8277548B2 (en) * 2009-09-25 2012-10-02 Tenneco Automotive Operating Company Inc. Combined exhaust gas aftertreatment/air cleaner dust and ejector unit
WO2011087527A1 (en) 2010-01-12 2011-07-21 Donaldson Company, Inc. Flow device for exhaust treatment system
EP3267005B2 (de) 2010-06-22 2023-12-27 Donaldson Company, Inc. Abgasnachbehandlungsvorrichtung
US8793982B2 (en) 2010-09-30 2014-08-05 Electro-Motive Diesel Inc. Control system for a two-stroke locomotive diesel engine having an exhaust aftertreatment system
EP2503122B1 (de) * 2011-03-22 2014-10-08 Delphi International Operations Luxembourg S.à r.l. Reagenzdosierpumpenanordnung
DE102011015512A1 (de) * 2011-03-30 2012-10-04 Dif Die Ideenfabrik Gmbh Kompakte Abgasbehandlungseinheit mit Mischbereich und Verfahren zur Vermischung eines Abgases
WO2013117230A1 (en) * 2012-02-09 2013-08-15 Toyota Motor Europe Nv/Sa Reduction agent injector
JP2013217351A (ja) * 2012-04-12 2013-10-24 Futaba Industrial Co Ltd 排ガス浄化装置
US8938954B2 (en) 2012-04-19 2015-01-27 Donaldson Company, Inc. Integrated exhaust treatment device having compact configuration
US20130291518A1 (en) * 2012-05-07 2013-11-07 Ajay Patel Exhaust system having a pre-heater
FI20126122L (fi) * 2012-10-29 2014-04-30 Waertsilae Finland Oy Menetelmä pelkistimen ja pakokaasun sekoittamiseksi ja pakojärjestelmä
EP2956233B1 (de) 2013-02-15 2016-12-21 Donaldson Company, Inc. Dosier- und mischanordnung zur verwendung bei der abgasnachbehandlung
CN205025535U (zh) * 2013-04-25 2016-02-10 天纳克（苏州）排放***有限公司 混合组件、入口管组件及其排气后处理部件
JP6352114B2 (ja) * 2014-08-29 2018-07-04 日野自動車株式会社 排気浄化システム
KR102154366B1 (ko) * 2015-02-24 2020-09-09 현대중공업 주식회사 부식 방지를 위한 벤팅에어 공급관을 가지는 scr 시스템
KR102260199B1 (ko) * 2015-07-16 2021-06-02 현대중공업 주식회사 고압 scr 시스템
CN105134349B (zh) * 2015-08-21 2017-08-29 天纳克（苏州）排放***有限公司 排气处理装置
DE102016205299A1 (de) * 2016-03-31 2017-10-05 Man Diesel & Turbo Se Brennkraftmaschine mit Abgasnachbehandlungssystem
CN107131030B (zh) * 2017-06-29 2019-08-30 嘉兴学院 一种环保型双层汽车排气管
DE112018003392B4 (de) 2017-08-02 2024-06-13 Robert Bosch Gmbh Konzept von mehrfach-def-einspritzung zur reduzierung des risikos der ausbildung von festen ablagerungen in dieselnachbehandlungssystemen
EP3492718B1 (de) 2017-11-30 2020-06-10 Katcon Global S.A. Abgasleitung für ein fahrzeug
KR102153089B1 (ko) * 2018-03-29 2020-09-07 주식회사 에스엔 반응로 내 반응제 공급 및 분사용 다관 입자 인젝터 및 이를 이용한 반응제 공급 및 분사 방법

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969328A (en) * 1986-10-21 1990-11-13 Kammel Refaat A Diesel engine exhaust oxidizer
DE19546482A1 (de) * 1995-12-13 1997-06-26 Basf Ag Verfahren zum Betreiben einer Reinigungsanlage, eine Reinigungsanlage und eine Verwendung derselben
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
GB9915939D0 (en) * 1999-07-08 1999-09-08 Johnson Matthey Plc Improvements in pollution control
US6314722B1 (en) * 1999-10-06 2001-11-13 Matros Technologies, Inc. Method and apparatus for emission control
DE10042542A1 (de) * 2000-08-30 2002-03-14 Eberspaecher J Gmbh & Co Abgasreinigungssystem für Kraftfahrzeuge, insbesondere Diesel-Nutzfahrzeuge
JP3685052B2 (ja) * 2000-11-30 2005-08-17 日産自動車株式会社 内燃機関の排気浄化装置
JP3624892B2 (ja) * 2001-03-29 2005-03-02 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3981915B2 (ja) * 2001-04-03 2007-09-26 日産自動車株式会社 排気ガス浄化システム
GB0113226D0 (en) * 2001-06-01 2001-07-25 Nelson Burgess Ltd Catalytic converter
US6679052B2 (en) * 2001-07-31 2004-01-20 Toyota Jidosha Kaisha Emission control apparatus
US7021048B2 (en) * 2002-01-25 2006-04-04 Arvin Technologies, Inc. Combination emission abatement assembly and method of operating the same
GB0220645D0 (en) * 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
JP4262522B2 (ja) * 2003-05-28 2009-05-13 株式会社日立ハイテクノロジーズ エンジン用排気ガス処理装置および排気ガス処理方法
US6883311B2 (en) * 2003-07-02 2005-04-26 Detroit Diesel Corporation Compact dual leg NOx absorber catalyst device and system and method of using the same
JP2005214159A (ja) * 2004-02-02 2005-08-11 Hino Motors Ltd 排気浄化装置
US20050274104A1 (en) * 2004-06-15 2005-12-15 Leslie Bromberg Optimum regeneration of diesel particulate filters and NOx traps using fuel reformers
US7770386B2 (en) * 2004-12-28 2010-08-10 Caterpillar Inc Filter desulfation system and method
US7581387B2 (en) * 2005-02-28 2009-09-01 Caterpillar Inc. Exhaust gas mixing system
US7571602B2 (en) * 2005-05-19 2009-08-11 Gm Global Technology Operations, Inc. Exhaust aftertreatment system and method of use for lean burn internal combustion engines
US7610751B2 (en) * 2006-07-21 2009-11-03 Eaton Corporation Fuel injection before turbocharger
US7497077B2 (en) * 2006-07-26 2009-03-03 Southwest Research Institute System and method for dispensing an aqueous urea solution into an exhaust gas stream

Also Published As

Publication number Publication date
WO2008076175A2 (en) 2008-06-26
KR20090094457A (ko) 2009-09-07
CN101563529A (zh) 2009-10-21
MX2009006290A (es) 2009-10-12
BRPI0720024A2 (pt) 2013-12-17
DE112007002861T5 (de) 2009-10-22
WO2008076175A3 (en) 2008-08-21
JP2010513773A (ja) 2010-04-30
US20080141662A1 (en) 2008-06-19

Similar Documents

Publication Publication Date Title
US20080141662A1 (en) Fluid injecting and mixing systems for exhaust after-treatment devices
US7614215B2 (en) Exhaust treatment packaging apparatus, system, and method
US8959900B2 (en) Exhaust aftertreatment system for internal combustion engine
US9238991B2 (en) Internal combustion engine and exhaust aftertreatment system
KR100922513B1 (ko) 린번 내연기관용 배기가스 후처리 시스템, 및 린번내연기관용 배기가스 후처리 방법
US7712305B2 (en) Exhaust aftertreatment system with spiral mixer
US8043394B2 (en) Particulate matter filter assembly with a flow device
US9188039B2 (en) Device for exhaust-gas treatment near an engine and motor vehicle having the device
AU2009255128B2 (en) Exhaust gas purifier and system for exhaust gas purification
US8752370B2 (en) Exhaust aftertreatment system
US8635861B2 (en) Exhaust aftertreatment system
US20110225969A1 (en) Compressor bypass to exhaust for particulate trap regeneration
EP2841732A1 (de) Abgasmischvorrichtung, emissionenreinigungsmodul und verfahren
US20120014843A1 (en) Vehicle exhaust gas treatment apparatus
CN101732991A (zh) 排气后处理***
JP3545712B2 (ja) 排気浄化装置
US20110203270A1 (en) Internal combustion engine system and particulate filter unit for such an internal combustion engine system
US8584450B2 (en) Coupling of a turbocharger with an oxidation catalyst of an exhaust line of an internal combustion engine
US10329990B2 (en) Asymmetric catalyst cone for swirl induction of exhaust gas flow
US10603641B2 (en) Diesel exhaust fluid mixing body using variable cross-section switchback arrangement
CN104005816A (zh) 催化燃料汽化器和燃料重整器组件
US20200003103A1 (en) Exhaust aftertreatment system for an engine
CN111183275B (zh) 内燃机的排气净化装置
KR20050060779A (ko) 배기가스 후처리장치에서의 배기가스 확산도 향상을 위한구조
GB2514567A (en) Aftertreatment system having a combined wall-flow and flow-through substrate

Legal Events

Date Code Title Description
FZDE Discontinued