EP2343440A4 - Exhaust purifying device for internal combustion engine - Google Patents

Exhaust purifying device for internal combustion engine

Info

Publication number
EP2343440A4
EP2343440A4 EP09824733A EP09824733A EP2343440A4 EP 2343440 A4 EP2343440 A4 EP 2343440A4 EP 09824733 A EP09824733 A EP 09824733A EP 09824733 A EP09824733 A EP 09824733A EP 2343440 A4 EP2343440 A4 EP 2343440A4
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
purifying device
exhaust purifying
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.)
Withdrawn
Application number
EP09824733A
Other languages
German (de)
French (fr)
Other versions
EP2343440A1 (en
Inventor
Mikio Inoue
Kenichi Tsujimoto
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
Publication of EP2343440A1 publication Critical patent/EP2343440A1/en
Publication of EP2343440A4 publication Critical patent/EP2343440A4/en
Withdrawn legal-status Critical Current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
    • F01N3/24—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
    • 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
    • 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
    • F01N3/10—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
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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]
EP09824733A 2008-11-05 2009-10-22 Exhaust purifying device for internal combustion engine Withdrawn EP2343440A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008284505 2008-11-05
PCT/JP2009/068543 WO2010053033A1 (en) 2008-11-05 2009-10-22 Exhaust purifying device for internal combustion engine

Publications (2)

Publication Number Publication Date
EP2343440A1 EP2343440A1 (en) 2011-07-13
EP2343440A4 true EP2343440A4 (en) 2012-12-26

Family

ID=42152842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09824733A Withdrawn EP2343440A4 (en) 2008-11-05 2009-10-22 Exhaust purifying device for internal combustion engine

Country Status (5)

Country Link
US (1) US20110225958A1 (en)
EP (1) EP2343440A4 (en)
JP (1) JP5104960B2 (en)
CN (1) CN102187070A (en)
WO (1) WO2010053033A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972764B1 (en) 2011-03-16 2013-03-29 Peugeot Citroen Automobiles Sa COMPRESSOR ASSEMBLY EXHAUST GAS POST-TREATMENT BODY WITH SCR REDUCER MIXER
FR2977912B1 (en) 2011-07-11 2013-07-05 Peugeot Citroen Automobiles Sa EXHAUST GAS POST-TREATMENT ASSEMBLY OF A COMBUSTION ENGINE COMPRISING AN IMPACT-REDUCING AGENT DISTRIBUTOR
US9273641B2 (en) 2012-08-14 2016-03-01 Volvo Truck Corporation Gas flow unit, a gas treatment device and a combustion engine provided therewith
EP2890876B1 (en) * 2012-08-31 2016-11-23 Volvo Truck Corporation A gas flow unit, a gas treatment device and a combustion engine provided therewith
JP6073659B2 (en) * 2012-11-16 2017-02-01 フタバ産業株式会社 Exhaust gas purification device
JP7087722B2 (en) * 2018-06-26 2022-06-21 マツダ株式会社 Engine exhaust
US20230304432A1 (en) * 2020-10-22 2023-09-28 Cummins Emission Solutions Inc. Exhaust gas aftertreatment system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075428A2 (en) * 2007-12-25 2009-07-01 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Emission control system

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE2345383A1 (en) * 1973-09-08 1975-03-20 Daimler Benz Ag I.C. engine with exhaust gas afterburner - has exhaust system with catalytic gas permeable insets within exhaust ducts
JPS5222708B2 (en) * 1973-11-26 1977-06-18
DE19905032A1 (en) * 1999-02-08 2000-08-10 Emitec Emissionstechnologie Exhaust system with at least one guide surface
JP4445137B2 (en) 2001-01-12 2010-04-07 株式会社小松製作所 Engine exhaust purification structure
JP3861683B2 (en) 2001-12-20 2006-12-20 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP4112225B2 (en) * 2001-12-27 2008-07-02 トヨタ自動車株式会社 Exhaust pipe structure
EP2383444B1 (en) * 2004-02-02 2012-12-19 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine
JP4416162B2 (en) 2004-05-13 2010-02-17 本田技研工業株式会社 Exhaust gas purification device
JP2006009793A (en) * 2004-05-28 2006-01-12 Yumex Corp Exhaust pipe structure
JP2006077576A (en) * 2004-09-07 2006-03-23 Meidensha Corp Denitration reactor
JP4641952B2 (en) * 2006-02-08 2011-03-02 本田技研工業株式会社 Multi-cylinder internal combustion engine having an exhaust catalyst device
US8110151B2 (en) * 2006-04-03 2012-02-07 Donaldson Company, Inc. Exhaust flow distribution device
DE102006038904A1 (en) * 2006-08-18 2008-02-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Method for adding at least one reactant to an exhaust gas stream and device for processing an exhaust gas stream of an internal combustion engine
DE102006061790A1 (en) * 2006-12-21 2008-06-26 J. Eberspächer GmbH & Co. KG Exhaust system for an internal combustion engine
US7757484B2 (en) * 2007-01-31 2010-07-20 Caterpillar Inc. Exhaust treatment device having flow-promoting end caps
JP4884332B2 (en) * 2007-08-21 2012-02-29 トヨタ自動車株式会社 Exhaust system for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075428A2 (en) * 2007-12-25 2009-07-01 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Emission control system

Also Published As

Publication number Publication date
CN102187070A (en) 2011-09-14
JPWO2010053033A1 (en) 2012-04-05
US20110225958A1 (en) 2011-09-22
JP5104960B2 (en) 2012-12-19
EP2343440A1 (en) 2011-07-13
WO2010053033A1 (en) 2010-05-14

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Owner name: TOYOTA JIDOSHA KABUSHIKI KAISHA

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Inventor name: INOUE, MIKIO

Inventor name: TSUJIMOTO, KENICHI

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