WO2008096548A1 - 排気浄化装置 - Google Patents

排気浄化装置 Download PDF

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Publication number
WO2008096548A1
WO2008096548A1 PCT/JP2008/000180 JP2008000180W WO2008096548A1 WO 2008096548 A1 WO2008096548 A1 WO 2008096548A1 JP 2008000180 W JP2008000180 W JP 2008000180W WO 2008096548 A1 WO2008096548 A1 WO 2008096548A1
Authority
WO
WIPO (PCT)
Prior art keywords
particulate filter
reduction catalyst
selective reduction
urea
purification apparatus
Prior art date
Application number
PCT/JP2008/000180
Other languages
English (en)
French (fr)
Inventor
Minoru Kowada
Original Assignee
Hino Motors, 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39681459&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008096548(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hino Motors, Ltd. filed Critical Hino Motors, Ltd.
Priority to DE602008004319T priority Critical patent/DE602008004319D1/de
Priority to AU2008212474A priority patent/AU2008212474B2/en
Priority to AT08710334T priority patent/ATE494466T1/de
Priority to EP08710334A priority patent/EP2123878B1/en
Priority to US12/524,889 priority patent/US8245503B2/en
Publication of WO2008096548A1 publication Critical patent/WO2008096548A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
    • B01D46/82—Chemical processes for the removal of the retained particles, e.g. by burning with 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
    • 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
    • F01N13/011—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 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
    • 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
    • F01N3/105—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
    • 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
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
    • 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

Abstract

　本発明の課題は、尿素水からアンモニアが生成されるのに十分な反応時間を確保しながらもパティキュレートフィルタ５及び選択還元型触媒６のコンパクトな配置を実現して車両への搭載性を向上することにある。排気管４の途中にパティキュレートフィルタ５を備え、その下流側に酸素共存下でも選択的にＮＯxをアンモニアと反応させ得る選択還元型触媒６を備え、該選択還元型触媒６と前記パティキュレートフィルタ５との間に還元剤として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、パティキュレートフィルタ５と選択還元型触媒６とを並列に配置し、パティキュレートフィルタ５の後端部から排出された排気ガス３を前方に折り返して隣の選択還元型触媒６の前端部に導入するＳ字構造の連絡流路９を設け、該連絡流路９の途中に尿素水添加用インジェクタ１１を備える。
PCT/JP2008/000180 2007-02-09 2008-02-08 排気浄化装置 WO2008096548A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE602008004319T DE602008004319D1 (de) 2007-02-09 2008-02-08 Abgasreinigungsvorrichtung
AU2008212474A AU2008212474B2 (en) 2007-02-09 2008-02-08 Exhaust emission control device
AT08710334T ATE494466T1 (de) 2007-02-09 2008-02-08 Abgasreinigungsvorrichtung
EP08710334A EP2123878B1 (en) 2007-02-09 2008-02-08 Exhaust emission control device
US12/524,889 US8245503B2 (en) 2007-02-09 2008-02-08 Exhaust emission control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007029923A JP4785766B2 (ja) 2007-02-09 2007-02-09 排気浄化装置
JP2007-029923 2007-02-09

Publications (1)

Publication Number Publication Date
WO2008096548A1 true WO2008096548A1 (ja) 2008-08-14

Family

ID=39681459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000180 WO2008096548A1 (ja) 2007-02-09 2008-02-08 排気浄化装置

Country Status (7)

Country Link
US (1) US8245503B2 (ja)
EP (1) EP2123878B1 (ja)
JP (1) JP4785766B2 (ja)
AT (1) ATE494466T1 (ja)
AU (1) AU2008212474B2 (ja)
DE (1) DE602008004319D1 (ja)
WO (1) WO2008096548A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11859529B2 (en) 2020-02-28 2024-01-02 Mitsubishi Fuso Truck And Bus Corporation Exhaust purification device

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JP4886547B2 (ja) * 2007-02-23 2012-02-29 日野自動車株式会社 排気浄化装置
JP4823944B2 (ja) * 2007-03-07 2011-11-24 日野自動車株式会社 排気浄化装置
JP4928388B2 (ja) 2007-08-31 2012-05-09 日野自動車株式会社 排気浄化装置
JP4920532B2 (ja) 2007-09-13 2012-04-18 日野自動車株式会社 排気浄化装置
JP4286888B2 (ja) * 2007-09-28 2009-07-01 日産ディーゼル工業株式会社 排気浄化装置
JP4928409B2 (ja) 2007-10-23 2012-05-09 日野自動車株式会社 排気浄化装置
JP4995689B2 (ja) 2007-10-26 2012-08-08 日野自動車株式会社 排気浄化装置
JP5017065B2 (ja) 2007-11-21 2012-09-05 日野自動車株式会社 排気浄化装置
DE102007062663A1 (de) * 2007-12-24 2009-06-25 J. Eberspächer GmbH & Co. KG Schiebesitz sowie Rohranordnung und Abgasbehandlungseinrichtung
JP5114219B2 (ja) * 2008-01-10 2013-01-09 東京濾器株式会社 内燃機関用の排ガス浄化装置
JP5308176B2 (ja) * 2009-02-03 2013-10-09 ヤンマー株式会社 排気浄化装置
JP5361688B2 (ja) * 2009-12-04 2013-12-04 Ｕｄトラックス株式会社 排気浄化装置
JP5555023B2 (ja) * 2010-03-19 2014-07-23 日野自動車株式会社 排気浄化装置
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JP5855430B2 (ja) * 2011-11-16 2016-02-09 日野自動車株式会社 排気浄化装置
DE102012000591A1 (de) 2012-01-14 2013-07-18 Daimler Ag Motorblock-Anordnung mit einem Abgassystem
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JP2014114717A (ja) * 2012-12-07 2014-06-26 Hino Motors Ltd 折り返し流路及びこれを備えた排気浄化装置
JP6125248B2 (ja) * 2013-01-31 2017-05-10 日野自動車株式会社 尿素水ミキシング構造
JP6190182B2 (ja) * 2013-06-28 2017-08-30 株式会社タダノ ラフテレーンクレーン用排気浄化装置
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US10287954B2 (en) * 2014-01-10 2019-05-14 Faurecia Emissions Control Technologies Usa, Llc Modular mixer for exhaust assembly
KR102316252B1 (ko) 2014-03-20 2021-10-21 얀마 파워 테크놀로지 가부시키가이샤 엔진 장치
JP6417920B2 (ja) * 2014-12-19 2018-11-07 株式会社タダノ ラフテレーンクレーン
US10036801B2 (en) 2015-03-05 2018-07-31 Big Sky Financial Corporation Methods and apparatus for increased precision and improved range in a multiple detector LiDAR array
JP6423302B2 (ja) * 2015-03-27 2018-11-14 株式会社クボタ エンジンの排気処理装置
JP6752733B2 (ja) 2017-02-03 2020-09-09 日野自動車株式会社 排気浄化装置
JP2018162683A (ja) * 2017-03-24 2018-10-18 日野自動車株式会社 還元剤添加装置の還元剤飛散防止構造
CN107913598B (zh) * 2018-01-03 2023-10-13 上海市环境工程设计科学研究院有限公司 一种生活垃圾焚烧厂scr低温脱硝催化剂在线再生系统及其再生方法
JP2020012433A (ja) 2018-07-19 2020-01-23 いすゞ自動車株式会社 車載エンジンの排気構造
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Publication number Priority date Publication date Assignee Title
US11859529B2 (en) 2020-02-28 2024-01-02 Mitsubishi Fuso Truck And Bus Corporation Exhaust purification device

Also Published As

Publication number Publication date
AU2008212474B2 (en) 2012-02-02
US8245503B2 (en) 2012-08-21
ATE494466T1 (de) 2011-01-15
EP2123878A1 (en) 2009-11-25
JP4785766B2 (ja) 2011-10-05
EP2123878A4 (en) 2010-04-21
EP2123878B1 (en) 2011-01-05
JP2008196328A (ja) 2008-08-28
DE602008004319D1 (de) 2011-02-17
US20100000203A1 (en) 2010-01-07
AU2008212474A1 (en) 2008-08-14

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