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WO2009066458A1 - 排気浄化装置 - Google Patents

排気浄化装置 Download PDF

Info

Publication number
WO2009066458A1
WO2009066458A1 PCT/JP2008/003410 JP2008003410W WO2009066458A1 WO 2009066458 A1 WO2009066458 A1 WO 2009066458A1 JP 2008003410 W JP2008003410 W JP 2008003410W WO 2009066458 A1 WO2009066458 A1 WO 2009066458A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow path
communication flow
selective reduction
particulate filter
reduction type
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.)
Ceased
Application number
PCT/JP2008/003410
Other languages
English (en)
French (fr)
Inventor
Minoru Kowada
Tsutomu Shimizu
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.)
Hino Motors Ltd
Tokyo Roki Co Ltd
Original Assignee
Hino Motors Ltd
Tokyo Roki Co Ltd
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 Hino Motors Ltd, Tokyo Roki Co Ltd filed Critical Hino Motors Ltd
Priority to EP08851284A priority Critical patent/EP2224108B1/en
Priority to AT08851284T priority patent/ATE543985T1/de
Priority to CN2008801170163A priority patent/CN101874152B/zh
Priority to US12/742,321 priority patent/US8353152B2/en
Publication of WO2009066458A1 publication Critical patent/WO2009066458A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features having two or more purifying devices arranged in parallel
    • 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
    • F01N13/02—Exhaust or silencing apparatus characterised by constructional features having two or more separate silencers 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • 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
    • F01N3/28—Construction of catalytic reactors
    • 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Silencers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

　尿素の析出を生じることなくパティキュレートフィルタ側と選択還元型触媒側との熱膨張差を確実に吸収し得る排気浄化装置を提供する。 　パティキュレートフィルタ５と選択還元型触媒とを互いの入側端部同士が同じ方向を向くように並列に配置し、パティキュレートフィルタ５の出側端部から排出された排気ガス３を逆向きに折り返して隣の選択還元型触媒の入側端部に導入するＳ字構造の連絡流路９を備え、該連絡流路９の上流に尿素水を添加し得るように構成した排気浄化装置に関し、連絡流路９の直伸部位を成すミキシングパイプ１０の途中を、内管１６と外管１７とを挿脱自在に重複せしめて成る二重管部１８として構成し、外管１７の終端を内管１６の外周に固着し且つ前記外管１７の適宜位置に軸心方向に拡縮自在な蛇腹部１９を形成し、内管１６の終端外周にシール環２０を外嵌装着する。
PCT/JP2008/003410 2007-11-21 2008-11-20 排気浄化装置 Ceased WO2009066458A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08851284A EP2224108B1 (en) 2007-11-21 2008-11-20 Exhaust emission control device
AT08851284T ATE543985T1 (de) 2007-11-21 2008-11-20 Vorrichtung zur regelung der abgasemission
CN2008801170163A CN101874152B (zh) 2007-11-21 2008-11-20 排气净化装置
US12/742,321 US8353152B2 (en) 2007-11-21 2008-11-20 Exhaust emission control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-301291 2007-11-21
JP2007301291A JP5017065B2 (ja) 2007-11-21 2007-11-21 排気浄化装置

Publications (1)

Publication Number Publication Date
WO2009066458A1 true WO2009066458A1 (ja) 2009-05-28

Family

ID=40667291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003410 Ceased WO2009066458A1 (ja) 2007-11-21 2008-11-20 排気浄化装置

Country Status (6)

Country Link
US (1) US8353152B2 (ja)
EP (1) EP2224108B1 (ja)
JP (1) JP5017065B2 (ja)
CN (1) CN101874152B (ja)
AT (1) ATE543985T1 (ja)
WO (1) WO2009066458A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892988A (zh) * 2010-05-25 2013-01-23 五十铃自动车株式会社 废气净化装置
AU2010334192B2 (en) * 2009-12-24 2014-06-12 Hino Motors, Ltd. Exhaust emission control device

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CN102046939B (zh) * 2008-05-27 2013-02-27 日野自动车株式会社 排气净化装置
US20120285144A1 (en) * 2011-05-13 2012-11-15 GM Global Technology Operations LLC Exhaust after treatment system and method for treating exhaust
JP2013119772A (ja) * 2011-12-06 2013-06-17 Ud Trucks Corp 排気浄化装置
JP5349575B2 (ja) * 2011-12-27 2013-11-20 株式会社小松製作所 還元剤水溶液ミキシング装置及び排気ガス後処理装置
JP6053096B2 (ja) * 2012-01-12 2016-12-27 日野自動車株式会社 排気浄化装置
JP5295403B2 (ja) * 2012-03-02 2013-09-18 日立造船株式会社 船舶用排ガス脱硝反応容器および排ガス脱硝設備
GB201207201D0 (en) 2012-04-24 2012-06-06 Perkins Engines Co Ltd Emissions cleaning module for a diesel engine
GB2511486A (en) 2013-01-22 2014-09-10 Daimler Ag Mixing device for an exhaust system of a vehicle
EP2984307B1 (en) * 2013-04-11 2018-09-05 Perkins Engines Company Limited Flowhood and emissions cleaning module
EP2792864A1 (de) * 2013-04-17 2014-10-22 ROTH-TECHNIK AUSTRIA Gesellschaft m.b.H. Abgasbehandlungseinrichtung für einen Abgasstrom einer Brennkraftmaschine
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US20170074140A1 (en) * 2015-09-14 2017-03-16 GM Global Technology Operations LLC Gas/liquid mixing device for exhaust aftertreatment
JP6752733B2 (ja) * 2017-02-03 2020-09-09 日野自動車株式会社 排気浄化装置
US10883405B1 (en) 2019-09-30 2021-01-05 Faurecia Emissions Control Technologies, Usa, Llc Flexible connection for mixer assembly
US11591943B2 (en) * 2020-03-30 2023-02-28 Faurecia Emissions Control Technologies, Usa, Llc Serviceable catalyst and mixer unit for vehicle exhaust system
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CN215486219U (zh) * 2021-08-26 2022-01-11 佛吉亚排气控制技术开发(上海）有限公司 混合器、废气处理部件、废气后处理系统及运载工具

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ATE543985T1 (de) 2012-02-15
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