EP2716884A4 - Exhaust purification device for internal combustion engine - Google Patents
Exhaust purification device for internal combustion engineInfo
- Publication number
- EP2716884A4 EP2716884A4 EP11866883.9A EP11866883A EP2716884A4 EP 2716884 A4 EP2716884 A4 EP 2716884A4 EP 11866883 A EP11866883 A EP 11866883A EP 2716884 A4 EP2716884 A4 EP 2716884A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion engine
- internal combustion
- purification device
- exhaust purification
- 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- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
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]
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/062704 WO2012164722A1 (en) | 2011-06-02 | 2011-06-02 | Exhaust purification device for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2716884A1 EP2716884A1 (en) | 2014-04-09 |
EP2716884A4 true EP2716884A4 (en) | 2014-12-03 |
Family
ID=47258607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11866883.9A Withdrawn EP2716884A4 (en) | 2011-06-02 | 2011-06-02 | Exhaust purification device for internal combustion engine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2716884A4 (en) |
JP (1) | JPWO2012164722A1 (en) |
WO (1) | WO2012164722A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6046568B2 (en) * | 2013-07-31 | 2016-12-14 | カルソニックカンセイ株式会社 | Exhaust purification device |
JP6077963B2 (en) * | 2013-07-31 | 2017-02-08 | カルソニックカンセイ株式会社 | Exhaust purification device |
JP6224569B2 (en) * | 2014-10-22 | 2017-11-01 | トヨタ自動車株式会社 | Dispersion plate |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1712751A2 (en) * | 2005-04-15 | 2006-10-18 | Iveco S.p.A. | Static mixer |
DE102006024199A1 (en) * | 2006-05-23 | 2007-11-29 | Arvinmeritor Emissions Technologies Gmbh | Turbulator for exhaust system |
JP2008280999A (en) * | 2007-05-08 | 2008-11-20 | Friedrich Boysen Gmbh & Co Kg | Device for distributing flowable additive in exhaust gas system of internal combustion engine |
DE102008017395A1 (en) * | 2008-04-05 | 2009-10-08 | J. Eberspächer GmbH & Co. KG | Mixture or evaporation device for exhaust system of internal-combustion engine, particularly in motor vehicle, has tubing body, where radially inward projecting blades are engaged in axial direction |
DE102008029110A1 (en) * | 2008-06-20 | 2009-12-24 | J. Eberspächer GmbH & Co. KG | Mixing and evaporating device for exhaust-gas system of internal combustion engine, particularly motor vehicle, has ring body which has internal shovel, where shovel is fastened with retaining elements in exhaust gas guiding pipe |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005344597A (en) * | 2004-06-02 | 2005-12-15 | Hitachi Ltd | Exhaust gas treating device for engines |
JP2008128093A (en) * | 2006-11-21 | 2008-06-05 | Mitsubishi Fuso Truck & Bus Corp | Exhaust emission control device for internal combustion engine |
JP2008144644A (en) | 2006-12-08 | 2008-06-26 | Mitsubishi Fuso Truck & Bus Corp | Exhaust emission control device for internal combustion engine |
DE102007019878A1 (en) | 2007-04-25 | 2008-11-06 | J. Eberspächer GmbH & Co. KG | Mixing and / or evaporating device and associated production method |
JP2008280882A (en) * | 2007-05-09 | 2008-11-20 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
JP2009108726A (en) * | 2007-10-29 | 2009-05-21 | Mitsubishi Heavy Ind Ltd | Exhaust emission control device |
JP2009127451A (en) * | 2007-11-20 | 2009-06-11 | Osaka Gas Co Ltd | Fluid mixer and denitration device |
JP5066435B2 (en) * | 2007-12-14 | 2012-11-07 | 東京濾器株式会社 | Exhaust gas purification equipment for diesel engines |
US8141353B2 (en) * | 2008-04-25 | 2012-03-27 | Tenneco Automotive Operating Company Inc. | Exhaust gas additive/treatment system and mixer for use therein |
-
2011
- 2011-06-02 EP EP11866883.9A patent/EP2716884A4/en not_active Withdrawn
- 2011-06-02 JP JP2013517777A patent/JPWO2012164722A1/en active Pending
- 2011-06-02 WO PCT/JP2011/062704 patent/WO2012164722A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1712751A2 (en) * | 2005-04-15 | 2006-10-18 | Iveco S.p.A. | Static mixer |
DE102006024199A1 (en) * | 2006-05-23 | 2007-11-29 | Arvinmeritor Emissions Technologies Gmbh | Turbulator for exhaust system |
JP2008280999A (en) * | 2007-05-08 | 2008-11-20 | Friedrich Boysen Gmbh & Co Kg | Device for distributing flowable additive in exhaust gas system of internal combustion engine |
DE102008017395A1 (en) * | 2008-04-05 | 2009-10-08 | J. Eberspächer GmbH & Co. KG | Mixture or evaporation device for exhaust system of internal-combustion engine, particularly in motor vehicle, has tubing body, where radially inward projecting blades are engaged in axial direction |
DE102008029110A1 (en) * | 2008-06-20 | 2009-12-24 | J. Eberspächer GmbH & Co. KG | Mixing and evaporating device for exhaust-gas system of internal combustion engine, particularly motor vehicle, has ring body which has internal shovel, where shovel is fastened with retaining elements in exhaust gas guiding pipe |
Non-Patent Citations (1)
Title |
---|
See also references of WO2012164722A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2012164722A1 (en) | 2014-07-31 |
EP2716884A1 (en) | 2014-04-09 |
WO2012164722A1 (en) | 2012-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20131202 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20141104 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01N 3/24 20060101ALI20141029BHEP Ipc: F01N 3/36 20060101ALI20141029BHEP Ipc: F01N 3/08 20060101AFI20141029BHEP |
|
17Q | First examination report despatched |
Effective date: 20151116 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20170119 |