WO2008081734A1 - 内燃機関の排気ガス浄化装置 - Google Patents

内燃機関の排気ガス浄化装置 Download PDF

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Publication number
WO2008081734A1
WO2008081734A1 PCT/JP2007/074531 JP2007074531W WO2008081734A1 WO 2008081734 A1 WO2008081734 A1 WO 2008081734A1 JP 2007074531 W JP2007074531 W JP 2007074531W WO 2008081734 A1 WO2008081734 A1 WO 2008081734A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
ozone
nox occlusion
combustion engine
internal combustion
Prior art date
Application number
PCT/JP2007/074531
Other languages
English (en)
French (fr)
Inventor
Hirohito Hirata
Masaya Ibe
Mayuko Osaki
Masaya Kamada
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
Priority to AT07850966T priority Critical patent/ATE532950T1/de
Priority to EP07850966A priority patent/EP2098694B1/en
Priority to US12/520,998 priority patent/US20100024398A1/en
Publication of WO2008081734A1 publication Critical patent/WO2008081734A1/ja

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Classifications

    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—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
    • F01N3/0807—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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • 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
    • F02D41/0275—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 NOx trap or adsorbent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/104—Ozone
    • 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
    • F01N2240/38—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 an ozone (O3) generator, e.g. for adding ozone after generation of ozone from 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
    • F01N2610/00—Adding substances to exhaust gases
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • 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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

　この発明は、排気ガスへのオゾン供給を行う際、オゾンを効率よく使用することができる内燃機関の排気ガス浄化装置を提供することを目的とする。 　内燃機関の排気通路に、ＮＯｘ吸蔵還元型触媒を配置する。ＮＯｘ吸蔵還元型触媒に流れ込む排気ガスと混合するように空気またはオゾン（Ｏ３）を供給するＮＯｘ酸化ガス供給装置を備える。ＮＯｘ吸蔵還元型触媒の温度が空気供給によるＮＯｘ吸蔵促進効果が発現する温度未満の状況下ではオゾンを供給し、ＮＯｘ吸蔵還元型触媒の温度が空気供給によるＮＯｘ吸蔵促進効果が発現する温度以上の状況下ではオゾンの供給を停止して空気の供給を行う。
PCT/JP2007/074531 2006-12-28 2007-12-20 内燃機関の排気ガス浄化装置 WO2008081734A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT07850966T ATE532950T1 (de) 2006-12-28 2007-12-20 Abgasreinigungsvorrichtung für brennkraftmotor
EP07850966A EP2098694B1 (en) 2006-12-28 2007-12-20 Exhaust gas purifying apparatus for internal combustion engine
US12/520,998 US20100024398A1 (en) 2006-12-28 2007-12-20 Exhaust emission control apparatus for internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006356226A JP4497158B2 (ja) 2006-12-28 2006-12-28 内燃機関の排気ガス浄化装置
JP2006-356226 2006-12-28

Publications (1)

Publication Number Publication Date
WO2008081734A1 true WO2008081734A1 (ja) 2008-07-10

Family

ID=39588418

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074531 WO2008081734A1 (ja) 2006-12-28 2007-12-20 内燃機関の排気ガス浄化装置

Country Status (6)

Country Link
US (1) US20100024398A1 (ja)
EP (1) EP2098694B1 (ja)
JP (1) JP4497158B2 (ja)
CN (1) CN101583780A (ja)
AT (1) ATE532950T1 (ja)
WO (1) WO2008081734A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012057602A (ja) * 2010-09-13 2012-03-22 Nissan Motor Co Ltd 排気ガス浄化システム
CN103541793A (zh) * 2013-09-26 2014-01-29 东风本田发动机有限公司 发动机台架试验尾气净化处理方法及装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110139198A (ko) * 2009-03-04 2011-12-28 사이안 가부시키가이샤 질소 산화물을 오존으로 분해하는 배기 가스 클리닝 시스템을 구비한 멸균 장치
JP5369862B2 (ja) * 2009-04-23 2013-12-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP5321255B2 (ja) * 2009-06-05 2013-10-23 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6279232B2 (ja) * 2013-06-04 2018-02-14 株式会社堀場製作所 模擬ガス供給装置
JP6156238B2 (ja) * 2014-04-08 2017-07-05 株式会社デンソー 還元剤添加装置
JP6052257B2 (ja) * 2014-09-18 2016-12-27 株式会社デンソー 還元剤添加装置
WO2020083097A1 (zh) * 2018-10-22 2020-04-30 上海必修福企业管理有限公司 一种发动机排放处理系统和方法

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JPS6326748U (ja) * 1986-08-02 1988-02-22
JPH05192535A (ja) 1992-01-22 1993-08-03 Kawasaki Heavy Ind Ltd 排ガスの浄化方法及び装置
JPH0616818B2 (ja) * 1990-03-23 1994-03-09 川崎重工業株式会社 排ガス浄化方法及び装置
JPH06185343A (ja) 1992-12-16 1994-07-05 Ngk Insulators Ltd 排気ガス浄化方法及び装置
JPH10169434A (ja) 1996-12-09 1998-06-23 Ngk Insulators Ltd 排ガス浄化方法及びそれに用いる排ガス浄化システム
JP2000054833A (ja) * 1998-08-05 2000-02-22 Mitsubishi Motors Corp 燃焼排ガス用ＮＯ▲ｘ▼還元システム
JP2002089246A (ja) 2000-09-20 2002-03-27 Hitachi Ltd 内燃機関の排ガス浄化方法および排ガス浄化装置
JP3551346B2 (ja) 1996-12-19 2004-08-04 トヨタ自動車株式会社 排ガス浄化装置
JP2005048711A (ja) 2003-07-30 2005-02-24 Toyota Motor Corp 内燃機関の空燃比制御装置
JP2005538295A (ja) 2002-09-05 2005-12-15 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 排出ガスを後処理する方法および排出ガスを後処理するための装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326748U (ja) * 1986-08-02 1988-02-22
JPH0616818B2 (ja) * 1990-03-23 1994-03-09 川崎重工業株式会社 排ガス浄化方法及び装置
JPH05192535A (ja) 1992-01-22 1993-08-03 Kawasaki Heavy Ind Ltd 排ガスの浄化方法及び装置
JPH06185343A (ja) 1992-12-16 1994-07-05 Ngk Insulators Ltd 排気ガス浄化方法及び装置
JPH10169434A (ja) 1996-12-09 1998-06-23 Ngk Insulators Ltd 排ガス浄化方法及びそれに用いる排ガス浄化システム
JP3551346B2 (ja) 1996-12-19 2004-08-04 トヨタ自動車株式会社 排ガス浄化装置
JP2000054833A (ja) * 1998-08-05 2000-02-22 Mitsubishi Motors Corp 燃焼排ガス用ＮＯ▲ｘ▼還元システム
JP2002089246A (ja) 2000-09-20 2002-03-27 Hitachi Ltd 内燃機関の排ガス浄化方法および排ガス浄化装置
JP2005538295A (ja) 2002-09-05 2005-12-15 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 排出ガスを後処理する方法および排出ガスを後処理するための装置
JP2005048711A (ja) 2003-07-30 2005-02-24 Toyota Motor Corp 内燃機関の空燃比制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012057602A (ja) * 2010-09-13 2012-03-22 Nissan Motor Co Ltd 排気ガス浄化システム
CN103541793A (zh) * 2013-09-26 2014-01-29 东风本田发动机有限公司 发动机台架试验尾气净化处理方法及装置

Also Published As

Publication number Publication date
ATE532950T1 (de) 2011-11-15
EP2098694A1 (en) 2009-09-09
CN101583780A (zh) 2009-11-18
EP2098694A4 (en) 2010-09-08
EP2098694B1 (en) 2011-11-09
US20100024398A1 (en) 2010-02-04
JP4497158B2 (ja) 2010-07-07
JP2008163897A (ja) 2008-07-17

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