JP4485564B2 - 内燃機関の排気浄化装置 - Google Patents
内燃機関の排気浄化装置 Download PDFInfo
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- JP4485564B2 JP4485564B2 JP2007289927A JP2007289927A JP4485564B2 JP 4485564 B2 JP4485564 B2 JP 4485564B2 JP 2007289927 A JP2007289927 A JP 2007289927A JP 2007289927 A JP2007289927 A JP 2007289927A JP 4485564 B2 JP4485564 B2 JP 4485564B2
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- JP
- Japan
- Prior art keywords
- catalyst
- nox
- exhaust gas
- fuel ratio
- internal combustion
- 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
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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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
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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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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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
- 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
- F01N3/0814—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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- 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
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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
- 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
- F01N3/101—Three-way catalysts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9022—Two layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0234—Impregnation and coating simultaneously
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
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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
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
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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
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/26—Multi-layered walls
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Materials Engineering (AREA)
- Toxicology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図9(C)からわかるように、実施例Ecでは比較例Cc1よりもNOx浄化率EFFSが高められ、比較例Cc2と同等のNOx浄化率EFFSを得ることができる。
24,26 排気管
25 ケーシング
28 触媒
28U 前段触媒(NOx吸蔵還元触媒)
28D 後段触媒(三元触媒)
Claims (5)
- 機関排気通路内に配置された共通のケーシング内に前段触媒及び後段触媒を互いに直列配置して収容した内燃機関の排気浄化装置において、前段触媒を、流入する排気ガスの空燃比がリーンのときに流入する排気ガス中のNOxを吸蔵し流入する排気ガスの空燃比がリッチになると吸蔵しているNOxを放出して還元するNOx吸蔵還元触媒から構成すると共に、後段触媒を三元触媒又はNOx吸蔵還元触媒から構成し、前段触媒の酸化性を後段触媒の酸化性よりも高くなるように調製すると共に後段触媒の還元性を前段触媒の還元性よりも高くなるように調製し、前段触媒を上層及び下層を具備した多層構造から構成し、前段触媒において上層の酸化性を下層の酸化性よりも高くなるように調製すると共に下層の還元性を上層の還元性よりも高くなるように調製した内燃機関の排気浄化装置。
- 前記後段触媒を上層及び下層を具備した多層構造から構成し、後段触媒において上層の還元性を下層の還元性よりも高くなるように調製すると共に下層の酸化性を上層の酸化性よりも高くなるように調製した請求項1に記載の内燃機関の排気浄化装置。
- 前記後段触媒を単層構造から構成した請求項1に記載の内燃機関の排気浄化装置。
- 内燃機関における空燃比がリーンに設定されており、前記NOx吸蔵還元触媒内に吸蔵されたNOxを放出し還元すべきときにはNOx吸蔵還元触媒に流入する排気ガスの空燃比が一時的にリッチに切り換えられる請求項1から3までのいずれか一項に記載の内燃機関の排気浄化装置。
- 内燃機関における空燃比が機関運転状態に応じて一時的に理論空燃比に切り換えられる請求項4に記載の内燃機関の排気浄化装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007289927A JP4485564B2 (ja) | 2007-11-07 | 2007-11-07 | 内燃機関の排気浄化装置 |
PCT/IB2008/002964 WO2009060290A2 (en) | 2007-11-07 | 2008-11-06 | Exhaust purifying device of internal combustion engine |
US12/741,841 US20110079001A1 (en) | 2007-11-07 | 2008-11-06 | Exhaust purifying device of internal combustion engine |
DE112008002983.0T DE112008002983B4 (de) | 2007-11-07 | 2008-11-06 | Abgasreinigungsvorrichtung für einen Verbrennungsmotor |
DE112008004280.2T DE112008004280A5 (de) | 2007-11-07 | 2008-11-06 | Abgasreinigungsvorrichtung für einen Verbrennungsmotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007289927A JP4485564B2 (ja) | 2007-11-07 | 2007-11-07 | 内燃機関の排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009114994A JP2009114994A (ja) | 2009-05-28 |
JP4485564B2 true JP4485564B2 (ja) | 2010-06-23 |
Family
ID=40521713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007289927A Expired - Fee Related JP4485564B2 (ja) | 2007-11-07 | 2007-11-07 | 内燃機関の排気浄化装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110079001A1 (ja) |
JP (1) | JP4485564B2 (ja) |
DE (2) | DE112008002983B4 (ja) |
WO (1) | WO2009060290A2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010061804A1 (ja) * | 2008-11-26 | 2010-06-03 | 本田技研工業株式会社 | 内燃機関の排気浄化装置 |
US20120042636A1 (en) * | 2009-03-19 | 2012-02-23 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification system of internal combustion engine |
US8822887B2 (en) | 2010-10-27 | 2014-09-02 | Shaw Arrow Development, LLC | Multi-mode heater for a diesel emission fluid tank |
US9038369B2 (en) * | 2013-02-13 | 2015-05-26 | Cummins Inc. | Systems and methods for aftertreatment system diagnostics |
FR3011877B1 (fr) * | 2013-10-11 | 2017-05-05 | Peugeot Citroen Automobiles Sa | Dispositif de traitement de gaz d'echappement pour ligne d'echappement de vehicule diesel comprenant un element de conversion a depollution |
USD729722S1 (en) | 2014-05-28 | 2015-05-19 | Shaw Development LLC | Diesel emissions fluid tank floor |
USD729141S1 (en) | 2014-05-28 | 2015-05-12 | Shaw Development LLC | Diesel emissions fluid tank |
JP6369421B2 (ja) * | 2015-08-21 | 2018-08-08 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US11081658B2 (en) | 2016-10-03 | 2021-08-03 | Universal Display Corporation | Organic electroluminescent materials and devices |
CN111770794B (zh) * | 2018-03-30 | 2021-08-13 | 三井金属矿业株式会社 | 废气净化催化剂 |
EP3915680A4 (en) * | 2019-01-22 | 2022-03-09 | Mitsui Mining & Smelting Co., Ltd. | CATALYST FOR PURIFYING AN EXHAUST GAS |
CN110201707A (zh) * | 2019-05-17 | 2019-09-06 | 昆明贵研催化剂有限责任公司 | 用于当量燃烧间歇性氧过多工况下的NOx净化三效催化剂及其制备方法 |
WO2021101837A1 (en) * | 2019-11-21 | 2021-05-27 | Cummins Inc. | Systems and methods for operating passive nitrogen oxide adsorbers in exhaust aftertreatment systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2257949C (en) * | 1996-06-10 | 2003-02-11 | Hitachi, Ltd. | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine |
JP3123474B2 (ja) | 1997-07-28 | 2001-01-09 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6497848B1 (en) * | 1999-04-02 | 2002-12-24 | Engelhard Corporation | Catalytic trap with potassium component and method of using the same |
US6375910B1 (en) * | 1999-04-02 | 2002-04-23 | Engelhard Corporation | Multi-zoned catalytic trap and methods of making and using the same |
JP3795871B2 (ja) * | 2003-03-20 | 2006-07-12 | 株式会社キャタラー | 排ガス浄化用触媒システム |
DE102004036478B4 (de) * | 2003-07-30 | 2007-07-19 | Mitsubishi Jidosha Kogyo K.K. | Abgasemissionen entfernende Katalysatorvorrichtung |
JP4639919B2 (ja) | 2005-04-08 | 2011-02-23 | 三菱自動車工業株式会社 | 排気ガス浄化装置 |
JP2007231918A (ja) * | 2006-03-03 | 2007-09-13 | Toyota Motor Corp | 圧縮着火式内燃機関の排気浄化装置 |
JP4760625B2 (ja) * | 2006-09-06 | 2011-08-31 | マツダ株式会社 | 排ガス浄化用触媒装置 |
JP4197029B2 (ja) * | 2006-11-02 | 2008-12-17 | いすゞ自動車株式会社 | 排気ガス浄化触媒、排気ガス浄化システム及び排気ガス浄化方法 |
-
2007
- 2007-11-07 JP JP2007289927A patent/JP4485564B2/ja not_active Expired - Fee Related
-
2008
- 2008-11-06 DE DE112008002983.0T patent/DE112008002983B4/de not_active Expired - Fee Related
- 2008-11-06 DE DE112008004280.2T patent/DE112008004280A5/de not_active Ceased
- 2008-11-06 WO PCT/IB2008/002964 patent/WO2009060290A2/en active Application Filing
- 2008-11-06 US US12/741,841 patent/US20110079001A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2009114994A (ja) | 2009-05-28 |
US20110079001A1 (en) | 2011-04-07 |
WO2009060290A3 (en) | 2009-06-25 |
WO2009060290A2 (en) | 2009-05-14 |
DE112008004280A5 (de) | 2015-03-19 |
DE112008002983T5 (de) | 2010-10-14 |
DE112008002983B4 (de) | 2016-12-22 |
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