WO2009014035A1 - 内燃機関の排気浄化システム - Google Patents

内燃機関の排気浄化システム Download PDF

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Publication number
WO2009014035A1
WO2009014035A1 PCT/JP2008/062801 JP2008062801W WO2009014035A1 WO 2009014035 A1 WO2009014035 A1 WO 2009014035A1 JP 2008062801 W JP2008062801 W JP 2008062801W WO 2009014035 A1 WO2009014035 A1 WO 2009014035A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust
combustion engine
internal combustion
reducing agent
dpnr
Prior art date
Application number
PCT/JP2008/062801
Other languages
English (en)
French (fr)
Inventor
Mikio Inoue
Koichiro Fukuda
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Publication of WO2009014035A1 publication Critical patent/WO2009014035A1/ja

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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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0821—Exhaust 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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
    • 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
    • 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

Abstract

　内燃機関の排気通路に、排気管同士を揺動可能に連結するボールジョイントなどの自由連結部材が設けられている場合に、排気浄化装置に供給する目的で還元剤添加弁から排気に添加された還元剤が、自由連結部材から外部に漏れ出すことをより確実に抑制できる技術を提供する。内燃機関１の排気管５に、ＮＳＲ１０とＤＰＮＲ１１が直列に設けられており、それらの間にボールジョイント３が配置されている。この場合に、ＤＰＮＲ１１のＮＯx還元処理、ＳＯx被毒回復処理またはＰＭ再生処理の際に排気に還元剤を添加する燃料添加弁１４を、排気管５におけるボールジョイント３の下流側に配置した。
PCT/JP2008/062801 2007-07-20 2008-07-16 内燃機関の排気浄化システム WO2009014035A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007189859A JP2009024642A (ja) 2007-07-20 2007-07-20 内燃機関の排気浄化システム
JP2007-189859 2007-07-20

Publications (1)

Publication Number Publication Date
WO2009014035A1 true WO2009014035A1 (ja) 2009-01-29

Family

ID=40281291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062801 WO2009014035A1 (ja) 2007-07-20 2008-07-16 内燃機関の排気浄化システム

Country Status (2)

Country Link
JP (1) JP2009024642A (ja)
WO (1) WO2009014035A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947004A1 (fr) * 2009-06-22 2010-12-24 Faurecia Sys Echappement Ligne d'echappement avec dispositif de traitement des oxydes d'azote.
CN103328781A (zh) * 2011-02-08 2013-09-25 丰田自动车株式会社 内燃机的排气净化装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5975218B2 (ja) * 2012-12-19 2016-08-23 三菱自動車工業株式会社 排気管の継手構造
JP5975217B2 (ja) * 2012-12-19 2016-08-23 三菱自動車工業株式会社 排気管の継手構造
JP6161057B2 (ja) * 2013-02-08 2017-07-12 東京濾器株式会社 排気ガス浄化装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005073530A1 (ja) * 2004-02-02 2005-08-11 Nissan Diesel Motor Co., Ltd. エンジンの排気浄化装置
JP2006070712A (ja) * 2004-08-31 2006-03-16 Mazda Motor Corp 自動車の排気装置
JP2006266192A (ja) * 2005-03-25 2006-10-05 Hino Motors Ltd エンジンの排気ガス浄化装置
JP2007040224A (ja) * 2005-08-04 2007-02-15 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005073530A1 (ja) * 2004-02-02 2005-08-11 Nissan Diesel Motor Co., Ltd. エンジンの排気浄化装置
JP2006070712A (ja) * 2004-08-31 2006-03-16 Mazda Motor Corp 自動車の排気装置
JP2006266192A (ja) * 2005-03-25 2006-10-05 Hino Motors Ltd エンジンの排気ガス浄化装置
JP2007040224A (ja) * 2005-08-04 2007-02-15 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947004A1 (fr) * 2009-06-22 2010-12-24 Faurecia Sys Echappement Ligne d'echappement avec dispositif de traitement des oxydes d'azote.
CN103328781A (zh) * 2011-02-08 2013-09-25 丰田自动车株式会社 内燃机的排气净化装置
CN103328781B (zh) * 2011-02-08 2015-09-09 丰田自动车株式会社 内燃机的排气净化装置

Also Published As

Publication number Publication date
JP2009024642A (ja) 2009-02-05

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