JP4290081B2 - 排気浄化装置 - Google Patents

排気浄化装置 Download PDF

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Publication number
JP4290081B2
JP4290081B2 JP2004196473A JP2004196473A JP4290081B2 JP 4290081 B2 JP4290081 B2 JP 4290081B2 JP 2004196473 A JP2004196473 A JP 2004196473A JP 2004196473 A JP2004196473 A JP 2004196473A JP 4290081 B2 JP4290081 B2 JP 4290081B2
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JP
Japan
Prior art keywords
reducing agent
engine
temperature
electric heater
exhaust
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.)
Expired - Fee Related
Application number
JP2004196473A
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English (en)
Japanese (ja)
Other versions
JP2006017043A (ja
Inventor
公信 平田
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.)
UD Trucks Corp
Original Assignee
UD Trucks 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 UD Trucks Corp filed Critical UD Trucks Corp
Priority to JP2004196473A priority Critical patent/JP4290081B2/ja
Priority to PCT/JP2005/011776 priority patent/WO2006003868A1/fr
Publication of JP2006017043A publication Critical patent/JP2006017043A/ja
Application granted granted Critical
Publication of JP4290081B2 publication Critical patent/JP4290081B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F01N3/10—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]
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • 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
    • B01D53/9431—Processes characterised by a specific device
    • 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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N2240/16—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 electric heater, i.e. a resistance heater
    • 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
    • F01N2610/10—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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2004196473A 2004-07-02 2004-07-02 排気浄化装置 Expired - Fee Related JP4290081B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004196473A JP4290081B2 (ja) 2004-07-02 2004-07-02 排気浄化装置
PCT/JP2005/011776 WO2006003868A1 (fr) 2004-07-02 2005-06-28 Dispositif de purification d’échappement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004196473A JP4290081B2 (ja) 2004-07-02 2004-07-02 排気浄化装置

Publications (2)

Publication Number Publication Date
JP2006017043A JP2006017043A (ja) 2006-01-19
JP4290081B2 true JP4290081B2 (ja) 2009-07-01

Family

ID=35782676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004196473A Expired - Fee Related JP4290081B2 (ja) 2004-07-02 2004-07-02 排気浄化装置

Country Status (2)

Country Link
JP (1) JP4290081B2 (fr)
WO (1) WO2006003868A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11506099B1 (en) 2021-08-24 2022-11-22 Tenneco Automotive Operating Company Inc. Electrically-heated mix pipe for processing diesel exhaust fluid in a selective catalytic reduction system

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896533B1 (fr) * 2006-01-26 2011-05-27 Renault Sas Ligne d'echappement pour moteur a combustion interne de vehicule automobile, comprenant un dispositif de traitement de gaz d'echappement
DE102006025678A1 (de) * 2006-06-01 2007-12-06 Arvinmeritor Emissions Technologies Gmbh Baugruppe sowie Verfahren zur Verdampfung einer oxidierbaren Flüssigkeit und Einleitung des bei der Verdampfung erzeugten Fluids in einem Gasstrom
DE102006047018A1 (de) * 2006-10-02 2008-04-03 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zum Bereitstellen eines Reduktionsmittelvorläufers
DE102006058402A1 (de) 2006-12-12 2008-06-19 Bayerische Motoren Werke Ag Vorrichtung zum Zumischen eines Reduktionsmittels in einen Abgasstrom einer Brennkraftmaschine
WO2009106609A1 (fr) * 2008-02-29 2009-09-03 Emitec Gesellschaft Für Emissionstechnologie Mbh Unité d'évaporation destinée à la génération d'un gaz contenant au moins un précurseur d'agent de réduction et/ou un agent de réduction
JP5181030B2 (ja) * 2008-09-26 2013-04-10 ボッシュ株式会社 還元剤添加装置及びその制御方法
JP2010270624A (ja) * 2009-05-19 2010-12-02 Toyota Motor Corp 内燃機関の排気装置
JP5546205B2 (ja) * 2009-10-28 2014-07-09 ダイムラー・アクチェンゲゼルシャフト 還元剤噴射ノズル
JP2013534291A (ja) * 2010-08-18 2013-09-02 エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング 排ガス処理装置の作動方法
SE535355C2 (sv) * 2010-11-08 2012-07-03 Scania Cv Ab Avgasefterbehandlingsanordning och förfarande för efterbehandling av avgaser
JP5641134B2 (ja) * 2011-03-28 2014-12-17 トヨタ自動車株式会社 内燃機関の排気浄化装置
WO2013127936A1 (fr) * 2012-03-02 2013-09-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Procédé pour faire fonctionner un catalyseur de chauffage
WO2014199778A1 (fr) * 2013-06-10 2014-12-18 ボッシュ株式会社 Dispositif et procédé de commande de dispositif d'alimentation en agent réducteur
FR3014136B1 (fr) * 2013-12-03 2018-04-20 Faurecia Systemes D'echappement Dispositif d'injection d'un reducteur et ligne d'echappement correspondante
JP6136960B2 (ja) * 2014-01-31 2017-05-31 トヨタ自動車株式会社 内燃機関の排気系構造
KR101646919B1 (ko) * 2015-05-21 2016-08-23 (주)나라케이아이씨 보온재용 열분해 가스 제거장치 및 그 제거장치를 이용한 열분해 가스 제거방법
DE102016117746A1 (de) 2016-09-21 2018-03-22 Eberspächer Exhaust Technology GmbH & Co. KG Reaktionsmitteleingabeanordnung zur Eingabe von Reaktionsmittel in den Abgasstrom einer Brennkraftmaschine
US10577995B2 (en) 2017-08-25 2020-03-03 Faurecia Emissions Control Technologies, Usa, Llc Double wall mixer with active heat transfer
DE102017124032A1 (de) * 2017-10-16 2019-04-18 Eberspächer Exhaust Technology GmbH & Co. KG Abgas/Reaktionsmittel-Mischbaugruppe
DE102018200326A1 (de) * 2018-01-11 2019-07-11 Robert Bosch Gmbh Abgasnachbehandlungssystem
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10787946B2 (en) 2018-09-19 2020-09-29 Faurecia Emissions Control Technologies, Usa, Llc Heated dosing mixer
DE102021120423A1 (de) 2021-08-05 2023-02-09 Friedrich Boysen Gmbh & Co. Kg Mischvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3524956B2 (ja) * 1994-05-30 2004-05-10 トヨタ自動車株式会社 電気加熱式触媒装置
DE19922959A1 (de) * 1999-05-19 2000-11-23 Daimler Chrysler Ag Abgasreinigungsanlage mit Stickoxidreduktion unter Reduktionsmittelzugabe
JP2004027881A (ja) * 2002-06-21 2004-01-29 Toyota Motor Corp 排気ガス浄化システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11506099B1 (en) 2021-08-24 2022-11-22 Tenneco Automotive Operating Company Inc. Electrically-heated mix pipe for processing diesel exhaust fluid in a selective catalytic reduction system

Also Published As

Publication number Publication date
WO2006003868A1 (fr) 2006-01-12
JP2006017043A (ja) 2006-01-19

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