JP2014084850A - ディーゼルエンジンの排ガス浄化装置 - Google Patents
ディーゼルエンジンの排ガス浄化装置 Download PDFInfo
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- JP2014084850A JP2014084850A JP2012237017A JP2012237017A JP2014084850A JP 2014084850 A JP2014084850 A JP 2014084850A JP 2012237017 A JP2012237017 A JP 2012237017A JP 2012237017 A JP2012237017 A JP 2012237017A JP 2014084850 A JP2014084850 A JP 2014084850A
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- 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
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- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
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- 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
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F01N3/2066—Selective catalytic reduction [SCR]
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- 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
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- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2878—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration by using non-elastic means for retaining catalyst body in the housing, e.g. a metal chamfer, or by corrugation or deformation of the metal housing
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- 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
- F01N3/36—Arrangements for supply of additional fuel
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
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- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- 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
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- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
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Abstract
【解決手段】尿素水の噴射ノズル7とSCR5の上流側端面5aとの間の連結管8Bの内面10に周方向へ延びるように立設されたリテーナ11と、SCR5の上流側端面5aとを離間させる。
【選択図】図1
Description
2 第2コンバータ
3 第1DOC
4 CSF
5 SCR
5a 上流側の端面
6 第2DOC
7 噴射ノズル
8A、8B 連結管
9 支持部材
10 内面
11 リテーナ
Claims (3)
- ディーゼルエンジンの排気管に上流側から順に配置された還元剤の供給手段と、支持部材を介してNOx還元浄化触媒を内設するコンバータとを備えるとともに、前記供給手段と前記NOx還元浄化触媒との間の前記排気管の内面に、板状体からなるリテーナを周方向へ延びるように立設したディーゼルエンジンの排ガス浄化装置において、
前記NOx還元浄化触媒の上流側の端面と前記リテーナとを離間させたことを特徴とするディーゼルエンジンの排ガス浄化装置。 - 前記還元剤が尿素水であって、前記NOx還元浄化触媒がSCRである請求項1に記載のディーゼルエンジンの排ガス浄化装置。
- 前記還元剤が未燃燃料であって、前記NOx還元浄化触媒がLNTである請求項1に記載のディーゼルエンジンの排ガス浄化装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012237017A JP2014084850A (ja) | 2012-10-26 | 2012-10-26 | ディーゼルエンジンの排ガス浄化装置 |
PCT/JP2013/075711 WO2014065059A1 (ja) | 2012-10-26 | 2013-09-24 | ディーゼルエンジンの排ガス浄化装置 |
US14/433,778 US20150275734A1 (en) | 2012-10-26 | 2013-09-24 | Exhaust gas purification device for diesel engine |
EP13849524.7A EP2918808B1 (en) | 2012-10-26 | 2013-09-24 | Exhaust gas purification device for diesel engine |
CN201380052619.0A CN104704215A (zh) | 2012-10-26 | 2013-09-24 | 柴油发动机的废气净化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012237017A JP2014084850A (ja) | 2012-10-26 | 2012-10-26 | ディーゼルエンジンの排ガス浄化装置 |
Publications (1)
Publication Number | Publication Date |
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JP2014084850A true JP2014084850A (ja) | 2014-05-12 |
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ID=50544439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012237017A Pending JP2014084850A (ja) | 2012-10-26 | 2012-10-26 | ディーゼルエンジンの排ガス浄化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150275734A1 (ja) |
EP (1) | EP2918808B1 (ja) |
JP (1) | JP2014084850A (ja) |
CN (1) | CN104704215A (ja) |
WO (1) | WO2014065059A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016188579A (ja) * | 2015-03-30 | 2016-11-04 | いすゞ自動車株式会社 | 排気浄化ユニット |
JP2018071399A (ja) * | 2016-10-27 | 2018-05-10 | いすゞ自動車株式会社 | 配管ユニット |
US11149611B2 (en) | 2015-03-30 | 2021-10-19 | Isuzu Motors Limited | Exhaust purification unit |
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DE102014211159A1 (de) * | 2014-06-11 | 2015-12-17 | Volkswagen Aktiengesellschaft | Vorrichtung zur katalytischen chemischen Umsetzungwenigstens einer Komponente eines Gasstromsund Abgasanlage für eine Brennkraftmaschine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011241732A (ja) * | 2010-05-17 | 2011-12-01 | Isuzu Motors Ltd | 排気管 |
JP2013127208A (ja) * | 2011-12-16 | 2013-06-27 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112005000004D2 (de) * | 2004-07-16 | 2006-05-04 | Faurecia Abgastechnik Gmbh | Abgasreinigungsvorrichtung für Kraftfahrzeuge |
WO2006026729A1 (en) * | 2004-08-31 | 2006-03-09 | Donaldson Company, Inc. | Exhaust treatment apparatus and method of making |
JP2006316654A (ja) * | 2005-05-11 | 2006-11-24 | Hino Motors Ltd | 排気浄化装置 |
US7581620B2 (en) * | 2006-08-10 | 2009-09-01 | Woodrow Woods | Marine muffler with angularly disposed internal baffle |
US8915064B2 (en) * | 2007-05-15 | 2014-12-23 | Donaldson Company, Inc. | Exhaust gas flow device |
JP2009091984A (ja) * | 2007-10-09 | 2009-04-30 | Mitsubishi Fuso Truck & Bus Corp | 排気浄化装置 |
US8091354B2 (en) * | 2008-04-17 | 2012-01-10 | Cummins Filtration Ip, Inc. | Exhaust assembly with universal multi-position water trap |
JP2013167157A (ja) * | 2012-02-14 | 2013-08-29 | Hino Motors Ltd | 排気浄化装置 |
-
2012
- 2012-10-26 JP JP2012237017A patent/JP2014084850A/ja active Pending
-
2013
- 2013-09-24 WO PCT/JP2013/075711 patent/WO2014065059A1/ja active Application Filing
- 2013-09-24 US US14/433,778 patent/US20150275734A1/en not_active Abandoned
- 2013-09-24 CN CN201380052619.0A patent/CN104704215A/zh active Pending
- 2013-09-24 EP EP13849524.7A patent/EP2918808B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011241732A (ja) * | 2010-05-17 | 2011-12-01 | Isuzu Motors Ltd | 排気管 |
JP2013127208A (ja) * | 2011-12-16 | 2013-06-27 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016188579A (ja) * | 2015-03-30 | 2016-11-04 | いすゞ自動車株式会社 | 排気浄化ユニット |
US11149611B2 (en) | 2015-03-30 | 2021-10-19 | Isuzu Motors Limited | Exhaust purification unit |
JP2018071399A (ja) * | 2016-10-27 | 2018-05-10 | いすゞ自動車株式会社 | 配管ユニット |
Also Published As
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EP2918808A1 (en) | 2015-09-16 |
EP2918808A4 (en) | 2016-07-27 |
WO2014065059A1 (ja) | 2014-05-01 |
CN104704215A (zh) | 2015-06-10 |
US20150275734A1 (en) | 2015-10-01 |
EP2918808B1 (en) | 2018-11-14 |
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