WO2012164722A1 - Dispositif de purification des gaz d'échappement pour moteur à combustion interne - Google Patents

Dispositif de purification des gaz d'échappement pour moteur à combustion interne Download PDF

Info

Publication number
WO2012164722A1
WO2012164722A1 PCT/JP2011/062704 JP2011062704W WO2012164722A1 WO 2012164722 A1 WO2012164722 A1 WO 2012164722A1 JP 2011062704 W JP2011062704 W JP 2011062704W WO 2012164722 A1 WO2012164722 A1 WO 2012164722A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas flow
exhaust
flow forming
internal combustion
combustion engine
Prior art date
Application number
PCT/JP2011/062704
Other languages
English (en)
Japanese (ja)
Inventor
隆徳 中野
佐藤　正明
小田　富久
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP2013517777A priority Critical patent/JPWO2012164722A1/ja
Priority to EP11866883.9A priority patent/EP2716884A4/fr
Priority to PCT/JP2011/062704 priority patent/WO2012164722A1/fr
Publication of WO2012164722A1 publication Critical patent/WO2012164722A1/fr

Links

Images

Classifications

    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
    • 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
    • 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
    • F01N3/20—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]

Definitions

  • the present invention relates to an exhaust purification device for an internal combustion engine.
  • a technology that includes a disperser for dispersing urea water between the selective reduction type NOx catalyst and the injection valve It is known (for example, refer to Patent Document 1). Since the exhaust gas and the urea water are swirled by the disperser, mixing and vaporization of the urea water and the exhaust gas are promoted.
  • Patent Document 3 a technique for providing a space between the disperser and the exhaust pipe is known (for example, see Patent Document 3).
  • the reducing agent in the exhaust gas may be directed to the wall surface of the exhaust passage.
  • urea water in the exhaust gas may be biased near the wall surface of the exhaust pipe due to centrifugal force.
  • urea water adheres to the wall surface of an exhaust pipe there exists a possibility that the deposit derived from urea may accumulate on the wall surface of an exhaust pipe.
  • An object of the present invention is to suppress the bias of the additive supplied into the exhaust gas from the internal combustion engine and to disperse the additive more uniformly.
  • an exhaust gas purification apparatus for an internal combustion engine comprises: An exhaust purification catalyst provided in the exhaust passage of the internal combustion engine; A supply unit that is provided in an exhaust passage upstream of the exhaust purification catalyst and supplies an additive to the exhaust purification catalyst; A dispersion part that is provided between the exhaust purification catalyst and the supply part and disperses the additive;
  • An exhaust gas purification apparatus for an internal combustion engine comprising: The dispersion unit includes a first gas flow forming unit and a second gas flow forming unit, The first gas flow forming unit and the second gas flow forming unit are a first gas flow that has passed through the first gas flow forming unit, and a second gas flow that has passed through the second gas flow forming unit, Are formed to interfere with each other.
  • the additive when the additive is supplied from the supply unit, the additive flows into the dispersion unit.
  • the flow direction of the exhaust gas may be changed, or the turbulence of the exhaust gas may be increased.
  • the first gas flow that has passed through the first gas flow forming portion and the second gas flow that has passed through the second gas flow forming portion interfere with each other on the downstream side of the dispersion portion.
  • the two gas flows interfere with each other, and the bias of the additive is reduced as compared with the case where it is assumed that the first gas flow or the second gas flow flows independently. Thereby, it can suppress that an additive is biased to the wall surface vicinity of an exhaust passage.
  • the first gas flow forming portion is provided at a central portion of the dispersion portion, and the second gas flow forming portion is disposed outside the central portion with the first gas flow forming portion. May be provided independently.
  • the additive may be supplied so as to pass only through the first gas flow forming part, or may be supplied so as to pass through the first gas flow forming part and the second gas flow forming part. That is, the additive may be supplied so that the additive is included in at least the first gas stream.
  • the first gas flow forming portion is provided on the central axis side of the exhaust passage
  • the second gas flow forming portion is provided on the wall surface side of the exhaust passage from the first gas flow forming portion.
  • the second gas flow forming part may be a space between the first gas flow forming part and the wall surface of the exhaust passage.
  • a swirl flow swirling around the central axis of the exhaust passage is generated. This swirling flow may be generated only in the first gas flow forming section.
  • the turbulence of the exhaust gas may be strengthened by changing the flow direction of the exhaust gas in the dispersion portion.
  • the cross-sectional area of the exhaust passage formed in the first gas flow forming portion may be larger than the cross-sectional area of the exhaust passage formed in the second gas flow forming portion.
  • the resistance of the exhaust gas becomes larger in the first gas flow forming portion than in the second gas flow forming portion.
  • the speed of the second gas flow is higher than the speed of the first gas flow.
  • the first gas flow is pushed back from the wall surface side of the exhaust passage to the central axis side of the exhaust passage by the second gas flow, so that the first gas flow is further prevented from moving toward the wall surface of the exhaust passage. can do. Thereby, it can suppress more that an additive is biased to the wall surface vicinity of an exhaust passage.
  • the second gas flow forming portion has a flow direction of the exhaust gas passing through the second gas flow forming portion in a direction toward the central axis of the exhaust passage, or a wall surface of the exhaust passage. You may form so that it may become parallel.
  • the first gas flow can be pushed back toward the central axis of the exhaust passage by the second gas flow. For this reason, it can suppress that a 1st gas flow goes to the wall surface of an exhaust passage. Thereby, it can suppress more that an additive is biased to the wall surface vicinity of an exhaust passage.
  • FIG. 1 is a diagram showing a schematic configuration of an exhaust gas purification apparatus for an internal combustion engine according to the present embodiment.
  • the internal combustion engine 1 shown in FIG. 1 may be a diesel engine or a gasoline engine.
  • the exhaust passage 2 is connected to the internal combustion engine 1.
  • An exhaust purification catalyst 3 (hereinafter simply referred to as “catalyst 3”) is provided in the middle of the exhaust passage 2.
  • the catalyst 3 is a catalyst whose temperature rises, exhaust gas is purified, or purification ability is restored by supplying an additive.
  • Examples of the catalyst 3 include an occlusion reduction type NOx catalyst, a selective reduction type NOx catalyst, a three-way catalyst, an oxidation catalyst, and a hydrolysis catalyst.
  • the catalyst 3 may be a catalyst having an oxidation function.
  • a particulate filter that collects particulate matter may be provided, and the particulate filter may be used as the carrier of the catalyst 3. Moreover, you may arrange
  • an injection valve 4 for injecting the additive into the exhaust is provided.
  • the additive can be, for example, a reducing agent or an oxidizing agent.
  • fuel, urea water, or ammonia can be used as the additive. What is used as the additive depends on the type of the catalyst 3.
  • the injection valve 4 corresponds to the supply unit in the present invention.
  • a disperser 5 for dispersing the additive in the exhaust gas is provided in the exhaust passage downstream of the injection valve 4 and upstream of the catalyst 3.
  • the disperser 5 corresponds to the disperser in the present invention.
  • FIG. 2 is a view of the disperser 5 viewed from the upstream side in the exhaust flow direction.
  • FIG. 3 is a cross-sectional view of the disperser 5 cut in parallel with the exhaust flow direction.
  • the disperser 5 includes a cylindrical portion 51 that has an outer diameter smaller than the inner diameter of the exhaust passage 2 and is formed in a hollow cylindrical shape coaxial with the central axis of the exhaust passage 2.
  • a plurality of plates 52 having the same shape extend from the inner peripheral surface of the cylindrical portion 51 toward the central axis.
  • the plurality of plates 52 are arranged radially at equal angles around the central axis of the cylindrical portion 51.
  • the central axis of each plate 52 extending from the inner peripheral surface of the cylindrical portion 51 to the tip of the plate 52 is orthogonal to the central axis direction of the cylindrical portion 51.
  • the length from the inner peripheral surface of the cylinder part 51 to the tip of the plate 52 is smaller than the radius of the cylinder part 51, and the plates 52 are provided so as not to contact each other.
  • Each plate 52 is inclined at a predetermined angle with respect to the central axis of the cylindrical portion 51.
  • a gap is provided between the plate 52 and the plate 52 so that the exhaust can circulate.
  • the exhaust may be more disturbed, or another member for turning the exhaust may be provided.
  • a single plate may be provided closer to the central axis than the cylinder portion 51. A plurality of holes may be provided in this plate.
  • a plurality of fixing portions 53 are provided outside the tube portion 51 to connect the outer wall of the tube portion 51 and the inner wall of the exhaust passage 2 to fix the tube portion 51 in the exhaust passage 2. .
  • a space in which exhaust gas can flow is provided between the cylinder portion 51 and the exhaust passage 2.
  • the exhaust gas circulates inside the cylinder part 51 and outside the cylinder part 51, respectively.
  • the inner side of the cylindrical part 51 is referred to as a first gas flow forming part 54
  • the outer side of the cylindrical part 51 is referred to as a second gas flow forming part 55.
  • the gas flow passing through the first gas flow forming unit 54 is referred to as a first gas flow
  • the gas flow passing through the second gas flow forming unit 55 is referred to as a second gas flow.
  • the flow direction of the exhaust gas is changed by the plurality of plates 52, and the exhaust gas turns around the central axis of the exhaust passage 2. If it does so, when an additive is supplied toward the 1st gas flow formation part 54, an additive will disperse
  • the additive in the first gas flow may be biased toward the wall surface of the exhaust passage 2 due to centrifugal force.
  • the first gas is formed so that the cross-sectional area of the exhaust passage formed in the first gas flow forming portion 54 is larger than the cross-sectional area of the exhaust passage formed in the second gas flow forming portion 55.
  • a flow forming portion 54 and a second gas flow forming portion 55 are formed.
  • the resistance of the exhaust gas is higher in the first gas flow forming portion 54 than in the second gas flow forming portion 55. That is, the first gas flow forming unit 54 and the first gas flow forming unit 54 are configured such that the resistance when the exhaust gas passes through the first gas flow forming unit 54 is larger than the resistance when the exhaust gas passes through the second gas flow forming unit 55.
  • a two-gas flow forming portion 55 is formed.
  • the speed of the second gas flow is higher than the speed of the first gas flow.
  • the first gas flow is pushed back from the wall surface side of the exhaust passage 2 to the central axis side of the exhaust passage 2 by the second gas flow. Therefore, it is possible to suppress the additive from being biased toward the wall surface side of the exhaust passage 2.
  • the optimum shapes of the first gas flow forming portion 54 and the second gas flow forming portion 55 can be obtained by experiments or the like.
  • the second gas flow forming portion 55 is formed so that the flow direction of the exhaust gas passing through the second gas flow forming portion 55 is away from or parallel to the wall surface of the exhaust passage 2. That is, the second gas flow is prevented from moving toward the wall surface of the exhaust passage 2.
  • the resistance when the exhaust gas passes through the first gas flow forming portion 54 is larger than the resistance when the exhaust gas passes through the second gas flow forming portion 55, so that the second gas flow is exhausted. It proceeds in the direction of the central axis of the passage 2. Thereby, it can suppress that a 1st gas flow goes to the wall surface of the exhaust passage 2.
  • the first gas flow and the second gas flow interfere with each other on the downstream side of the disperser 5 so that the additive can be prevented from being biased to the vicinity of the wall surface of the exhaust passage 2.
  • the additive can be dispersed at a short distance, the distance between the disperser 5 and the catalyst 3 can be reduced. Therefore, it is easier to install the disperser 5 than in the prior art.
  • the additive can be prevented from being biased to the vicinity of the wall surface of the exhaust passage 2, an appropriate amount of the additive can be supplied also to the vicinity of the central axis of the catalyst 3. Thereby, the purification performance of exhaust gas can be improved.

Abstract

L'objectif de la présente invention est de supprimer la sollicitation d'un additif fourni dans les gaz d'échappement provenant d'un moteur à combustion interne afin de permettre la dispersion plus homogène de l'additif. Le dispositif de purification des gaz d'échappement pour un moteur à combustion interne comprend donc : un catalyseur de purification des gaz d'échappement disposé dans la voie d'échappement du moteur à combustion interne ; une section de fourniture qui fournit l'additif au catalyseur de purification des gaz d'échappement ; et une section de dispersion (5) qui disperse l'additif et qui est disposée entre le catalyseur de purification des gaz d'échappement et la section de fourniture. La section de dispersion (5) est dotée d'une section de formation de premier écoulement de gaz (54) et d'une section de formation de second écoulement de gaz (55). La section de formation de premier écoulement de gaz (54) et la section de formation de second écoulement de gaz (55) sont formées de manière à provoquer l'interférence mutuelle d'un premier écoulement de gaz qui a traversé la section de formation de premier écoulement de gaz (54) et d'un second écoulement de gaz qui a traversé la section de formation de second écoulement de gaz (55).
PCT/JP2011/062704 2011-06-02 2011-06-02 Dispositif de purification des gaz d'échappement pour moteur à combustion interne WO2012164722A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013517777A JPWO2012164722A1 (ja) 2011-06-02 2011-06-02 内燃機関の排気浄化装置
EP11866883.9A EP2716884A4 (fr) 2011-06-02 2011-06-02 Dispositif de purification des gaz d'échappement pour moteur à combustion interne
PCT/JP2011/062704 WO2012164722A1 (fr) 2011-06-02 2011-06-02 Dispositif de purification des gaz d'échappement pour moteur à combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/062704 WO2012164722A1 (fr) 2011-06-02 2011-06-02 Dispositif de purification des gaz d'échappement pour moteur à combustion interne

Publications (1)

Publication Number Publication Date
WO2012164722A1 true WO2012164722A1 (fr) 2012-12-06

Family

ID=47258607

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/062704 WO2012164722A1 (fr) 2011-06-02 2011-06-02 Dispositif de purification des gaz d'échappement pour moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP2716884A4 (fr)
JP (1) JPWO2012164722A1 (fr)
WO (1) WO2012164722A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031157A (ja) * 2013-07-31 2015-02-16 カルソニックカンセイ株式会社 排気浄化装置
JP2015031158A (ja) * 2013-07-31 2015-02-16 カルソニックカンセイ株式会社 排気浄化装置
JP2016079962A (ja) * 2014-10-22 2016-05-16 トヨタ自動車株式会社 分散板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008128093A (ja) * 2006-11-21 2008-06-05 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP2008144644A (ja) 2006-12-08 2008-06-26 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP2008274941A (ja) 2007-04-25 2008-11-13 J Eberspecher Gmbh & Co Kg 混合及び／又は気化装置とその製造方法
JP2008280999A (ja) 2007-05-08 2008-11-20 Friedrich Boysen Gmbh & Co Kg 内燃機関の排気ガスシステムに流動可能な添加物を配給する装置
JP2008280882A (ja) * 2007-05-09 2008-11-20 Toyota Motor Corp 内燃機関の排気浄化装置
JP2009144614A (ja) * 2007-12-14 2009-07-02 Tokyo Roki Co Ltd ディーゼルエンジン用の排ガス浄化装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005344597A (ja) * 2004-06-02 2005-12-15 Hitachi Ltd エンジン用排気ガス処理装置
ITMI20050655A1 (it) * 2005-04-15 2006-10-16 Iveco Spa Miscelatore statico
DE102006024199A1 (de) * 2006-05-23 2007-11-29 Arvinmeritor Emissions Technologies Gmbh Verwirbelungselement für Abgasanlage
JP2009108726A (ja) * 2007-10-29 2009-05-21 Mitsubishi Heavy Ind Ltd 排ガス浄化装置
JP2009127451A (ja) * 2007-11-20 2009-06-11 Osaka Gas Co Ltd 流体混合装置及び脱硝装置
DE102008017395C5 (de) * 2008-04-05 2018-01-25 Eberspächer Exhaust Technology GmbH & Co. KG Misch- und/oder Verdampfungseinrichtung
US8141353B2 (en) * 2008-04-25 2012-03-27 Tenneco Automotive Operating Company Inc. Exhaust gas additive/treatment system and mixer for use therein
DE102008029110A1 (de) * 2008-06-20 2009-12-24 J. Eberspächer GmbH & Co. KG Misch- und/oder Verdampfungseinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008128093A (ja) * 2006-11-21 2008-06-05 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP2008144644A (ja) 2006-12-08 2008-06-26 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP2008274941A (ja) 2007-04-25 2008-11-13 J Eberspecher Gmbh & Co Kg 混合及び／又は気化装置とその製造方法
JP2008280999A (ja) 2007-05-08 2008-11-20 Friedrich Boysen Gmbh & Co Kg 内燃機関の排気ガスシステムに流動可能な添加物を配給する装置
JP2008280882A (ja) * 2007-05-09 2008-11-20 Toyota Motor Corp 内燃機関の排気浄化装置
JP2009144614A (ja) * 2007-12-14 2009-07-02 Tokyo Roki Co Ltd ディーゼルエンジン用の排ガス浄化装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2716884A4

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031157A (ja) * 2013-07-31 2015-02-16 カルソニックカンセイ株式会社 排気浄化装置
JP2015031158A (ja) * 2013-07-31 2015-02-16 カルソニックカンセイ株式会社 排気浄化装置
JP2016079962A (ja) * 2014-10-22 2016-05-16 トヨタ自動車株式会社 分散板
US9683478B2 (en) 2014-10-22 2017-06-20 Toyota Jidosha Kabushiki Kaisha Dispersion plate and internal combustion engine

Also Published As

Publication number Publication date
EP2716884A4 (fr) 2014-12-03
EP2716884A1 (fr) 2014-04-09
JPWO2012164722A1 (ja) 2014-07-31

Similar Documents

Publication Publication Date Title
JP5349575B2 (ja) 還元剤水溶液ミキシング装置及び排気ガス後処理装置
KR101374637B1 (ko) 환원제 수용액 믹싱 장치 및 배기 가스 후처리 장치
US9062589B2 (en) Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same
US8991160B2 (en) Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same
JP5349574B2 (ja) 還元剤水溶液ミキシング装置及び排気ガス後処理装置
US10486117B2 (en) Method, apparatus and system for aftertreatment of exhaust gas comprising inline housing
JP5835330B2 (ja) 内燃機関の排気浄化装置
US10252225B2 (en) Method, apparatus and mixing device for evenly mixing reactant to exhaust gas flow
JP2012122469A (ja) 車両の排気ガス後処理システム用ドージングモジュール
JP2009216074A (ja) 排気ガス浄化装置及びディーゼルエンジン用排気管
US8443595B2 (en) Additive-agent diffusion plate in exhaust passage, structure of additive-agent diffusion plate, and exhaust system including additive-agent diffusion plate
WO2012164722A1 (fr) Dispositif de purification des gaz d'échappement pour moteur à combustion interne
JP2009138598A (ja) 排気通路の添加剤分散板構造
WO2012164748A1 (fr) Dispositif de purification des gaz d'échappement pour moteur à combustion interne
JP2016205188A (ja) 排気浄化ユニット
JP2014231744A (ja) 排気ガス浄化装置
JP5760799B2 (ja) 内燃機関の排気浄化装置
JP2009250171A (ja) 内燃機関の排気浄化装置
WO2019011035A1 (fr) Dispositif de mélange pour post-traitement des gaz d'échappement, et emballage pour celui-ci
WO2018082381A1 (fr) Dispositif de post-traitement de gaz d'échappement
JP7152385B2 (ja) 排気ガス浄化装置及び旋回流発生部材
WO2019208449A1 (fr) Dispositif d'épuration des gaz d'échappement
JP2013024075A (ja) 内燃機関の排気浄化装置
JP2021156226A (ja) 排ガス浄化装置
WO2018198347A1 (fr) Dispositif d'épuration de gaz d'échappement

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11866883

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013517777

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2011866883

Country of ref document: EP