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WO2009037924A1 - 内燃機関の排気浄化装置 - Google Patents

内燃機関の排気浄化装置 Download PDF

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Publication number
WO2009037924A1
WO2009037924A1 PCT/JP2008/064139 JP2008064139W WO2009037924A1 WO 2009037924 A1 WO2009037924 A1 WO 2009037924A1 JP 2008064139 W JP2008064139 W JP 2008064139W WO 2009037924 A1 WO2009037924 A1 WO 2009037924A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing agent
addition valve
combustion engine
internal combustion
purification device
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/JP2008/064139
Other languages
English (en)
French (fr)
Inventor
Yuki Bisaiji
Koichiro Fukuda
Mikio Inoue
Satoru Nitta
Kiyohiko Nagae
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to EP08832335A priority Critical patent/EP2187011B1/en
Priority to CN2008801044067A priority patent/CN101784772B/zh
Priority to AT08832335T priority patent/ATE553838T1/de
Priority to US12/674,111 priority patent/US8333064B2/en
Publication of WO2009037924A1 publication Critical patent/WO2009037924A1/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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
    • B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/25—Mixing by jets impinging against collision plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • 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
    • 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • F01N2610/102—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance after addition to exhaust gases, e.g. by a passively or actively heated surface in the exhaust conduit
    • 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
    • F01N3/025—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 using fuel burner or by adding fuel to exhaust
    • F01N3/0253—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 using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • 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
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

　内燃機関の排気浄化装置において、還元剤を拡散させつつ排気の抵抗を小さくする。還元剤を噴射する還元剤添加弁５と、内燃機関１の排気通路２を流れる排気の流れの外側で還元剤添加弁５が還元剤を噴射するための空間を有し、且つ還元剤添加弁５が設置される還元剤添加弁取付部４と、還元剤添加弁取付部４に存在し、還元剤添加弁５から噴射される還元剤が衝突する衝突部４１と、を備え、還元剤添加弁５からの還元剤の噴射方向を、衝突部４１に向け、且つ該還元剤添加弁５よりも排気の下流側へ向ける。
PCT/JP2008/064139 2007-09-21 2008-08-06 内燃機関の排気浄化装置 Ceased WO2009037924A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08832335A EP2187011B1 (en) 2007-09-21 2008-08-06 Exhaust gas purification apparatus for internal combustion engine
CN2008801044067A CN101784772B (zh) 2007-09-21 2008-08-06 内燃机的排气净化装置
AT08832335T ATE553838T1 (de) 2007-09-21 2008-08-06 Abgasreiniger für einen verbrennungsmotor
US12/674,111 US8333064B2 (en) 2007-09-21 2008-08-06 Exhaust gas purification apparatus for internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-245007 2007-09-21
JP2007245007A JP4708402B2 (ja) 2007-09-21 2007-09-21 内燃機関の排気浄化装置

Publications (1)

Publication Number Publication Date
WO2009037924A1 true WO2009037924A1 (ja) 2009-03-26

Family

ID=40467748

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/064139 Ceased WO2009037924A1 (ja) 2007-09-21 2008-08-06 内燃機関の排気浄化装置

Country Status (6)

Country Link
US (1) US8333064B2 (ja)
EP (1) EP2187011B1 (ja)
JP (1) JP4708402B2 (ja)
CN (1) CN101784772B (ja)
AT (1) ATE553838T1 (ja)
WO (1) WO2009037924A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8828262B2 (en) 2010-05-06 2014-09-09 Lawrence Livemore National Security, Llc Method and system for polishing materials using a nonaqueous magnetorheological fluid
JP2017511856A (ja) * 2014-01-31 2017-04-27 ドナルドソン カンパニー，インコーポレイティド 排気ガス後処理装置で使用する注入および混合装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4985871B1 (ja) * 2010-12-27 2012-07-25 ダイキン工業株式会社 切断装置
JP5664802B2 (ja) * 2012-09-10 2015-02-04 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102012216923B4 (de) * 2012-09-20 2016-01-28 Eberspächer Exhaust Technology GmbH & Co. KG Abgasanlage für ein Kraftfahrzeug
CN108350784A (zh) * 2015-10-30 2018-07-31 大陆汽车有限责任公司 流体喷射系统
JP7080679B2 (ja) * 2018-03-14 2022-06-06 株式会社豊田自動織機 内燃機関の添加剤分散システム
DE112019006627T5 (de) * 2019-01-11 2021-11-18 Cummins Emission Solutions Inc. Nachbehandlungssystem mit mehreren Dosiermodulen
JP7327182B2 (ja) * 2020-01-28 2023-08-16 株式会社豊田自動織機 排気浄化装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01107425U (ja) * 1988-01-06 1989-07-20
JPH051818U (ja) * 1991-06-28 1993-01-14 三菱自動車工業株式会社 排気ガス浄化装置
JP2000352305A (ja) * 1999-05-19 2000-12-19 Daimlerchrysler Ag 還元剤添加による窒素酸化物還元を伴う排気ガス浄化装置
JP2002503783A (ja) * 1998-02-16 2002-02-05 シーメンス アクチエンゲゼルシヤフト 配量装置
JP2002089255A (ja) 2000-09-19 2002-03-27 Aisan Ind Co Ltd エンジン排気浄化装置のインジェクタ
JP2004197635A (ja) * 2002-12-18 2004-07-15 Hino Motors Ltd 排気浄化装置
JP2004532954A (ja) 2001-06-30 2004-10-28 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 排ガス浄化装置のための混合装置
JP2006009608A (ja) 2004-06-23 2006-01-12 Hino Motors Ltd 排気浄化装置
JP2007032472A (ja) 2005-07-28 2007-02-08 Hitachi Ltd 尿素水を用いた排気処理装置

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JP3680650B2 (ja) * 1999-01-25 2005-08-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
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DE102006058402A1 (de) * 2006-12-12 2008-06-19 Bayerische Motoren Werke Ag Vorrichtung zum Zumischen eines Reduktionsmittels in einen Abgasstrom einer Brennkraftmaschine
JP2008240698A (ja) * 2007-03-28 2008-10-09 Mitsubishi Electric Corp 排気ガス浄化装置
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US8079211B2 (en) * 2008-11-06 2011-12-20 Ford Global Technologies, Llc Bypass purge for protecting against formation of reductant deposits

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01107425U (ja) * 1988-01-06 1989-07-20
JPH051818U (ja) * 1991-06-28 1993-01-14 三菱自動車工業株式会社 排気ガス浄化装置
JP2002503783A (ja) * 1998-02-16 2002-02-05 シーメンス アクチエンゲゼルシヤフト 配量装置
JP2000352305A (ja) * 1999-05-19 2000-12-19 Daimlerchrysler Ag 還元剤添加による窒素酸化物還元を伴う排気ガス浄化装置
JP2002089255A (ja) 2000-09-19 2002-03-27 Aisan Ind Co Ltd エンジン排気浄化装置のインジェクタ
JP2004532954A (ja) 2001-06-30 2004-10-28 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 排ガス浄化装置のための混合装置
JP2004197635A (ja) * 2002-12-18 2004-07-15 Hino Motors Ltd 排気浄化装置
JP2006009608A (ja) 2004-06-23 2006-01-12 Hino Motors Ltd 排気浄化装置
JP2007032472A (ja) 2005-07-28 2007-02-08 Hitachi Ltd 尿素水を用いた排気処理装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8828262B2 (en) 2010-05-06 2014-09-09 Lawrence Livemore National Security, Llc Method and system for polishing materials using a nonaqueous magnetorheological fluid
JP2017511856A (ja) * 2014-01-31 2017-04-27 ドナルドソン カンパニー，インコーポレイティド 排気ガス後処理装置で使用する注入および混合装置
US10844764B2 (en) 2014-01-31 2020-11-24 Donaldson Company, Inc. Dosing and mixing arrangement for use in exhaust aftertreatment

Also Published As

Publication number Publication date
EP2187011A4 (en) 2011-06-29
ATE553838T1 (de) 2012-05-15
EP2187011B1 (en) 2012-04-18
CN101784772A (zh) 2010-07-21
CN101784772B (zh) 2012-02-08
US8333064B2 (en) 2012-12-18
EP2187011A1 (en) 2010-05-19
JP2009074455A (ja) 2009-04-09
US20110192150A1 (en) 2011-08-11
JP4708402B2 (ja) 2011-06-22

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