JP2009243470A - 排気ガス浄化装置 - Google Patents
排気ガス浄化装置 Download PDFInfo
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- JP2009243470A JP2009243470A JP2009169387A JP2009169387A JP2009243470A JP 2009243470 A JP2009243470 A JP 2009243470A JP 2009169387 A JP2009169387 A JP 2009169387A JP 2009169387 A JP2009169387 A JP 2009169387A JP 2009243470 A JP2009243470 A JP 2009243470A
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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
- F01N3/18—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]
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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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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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
- B01D53/9431—Processes characterised by a specific device
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- 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
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- 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
- B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
- B01F25/4322—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa essentially composed of stacks of sheets, e.g. corrugated sheets
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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
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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
- F01N13/0093—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 of the same type
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
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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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation 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
- 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
- F01N2240/16—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 an electric heater, i.e. a resistance heater
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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
- 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
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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
- 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
- F01N2240/40—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 hydrolysis catalyst
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
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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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
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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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/10—Fibrous material, e.g. mineral or metallic wool
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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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/38—Honeycomb supports characterised by their structural details flow channels with means to enhance flow mixing,(e.g. protrusions or projections)
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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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
- F01N3/24—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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
【解決手段】少なくとも1つの還元剤供給装置(3)と、触媒コンバータ(4)と、フィルタ要素(5)と、排気ガス管(6)とを備え、還元剤供給装置(3)がフィルタ要素(5)の前で排気ガス管(6)に接続され、触媒コンバータ(4)が排気ガスの流れ方向(7)においてフィルタ要素(5)の後に接続され、フィルタ要素(5)がSCR触媒コンバータの触媒被膜(12)を有し、フィルタ要素(5)が、少なくとも部分的に構造化された薄板(9)を備えた金属ハニカム体(8)である。
【選択図】図1
Description
2 内燃機関
3 還元剤供給装置
4 触媒コンバータ
5 フィルタ要素
6 排気ガス管
7 流れ方向
8 ハニカム体
9 薄板
10 ミクロ構造
11 混合器
12 被覆
13 通路
14 加熱要素
15 ハニカム構造物
16 触媒担体
17 前置触媒コンバータ
18 外被管
19 ピン
20 絶縁体
21 接続部
22 電極
23 開口
24 横方向
25 半径方向
26 飛行軌道
27 案内面
28 粒子
29 中間板
30 繊維
Claims (11)
- 少なくとも1つの還元剤供給装置(3)と、触媒コンバータ(4)と、フィルタ要素(5)と、排気ガス管(6)とを備え、還元剤供給装置(3)がフィルタ要素(5)の前で排気ガス管(6)に接続され、触媒コンバータ(4)が排気ガスの流れ方向(7)においてフィルタ要素(5)の後に接続され、フィルタ要素(5)がSCR触媒コンバータの触媒被覆(12)を有し、フィルタ要素(5)が、少なくとも部分的に構造化された薄板(9)を備えた金属ハニカム体(8)である、自動車用内燃機関(2)の排気ガスの有害物質を転換するための排気ガス浄化装置。
- 還元剤供給装置(3)の上流に排気ガスの酸化を促進する触媒担体(16)が配置され、この触媒担体(16)の後に加熱要素(14)が接続され、この加熱要素(14)が触媒担体(16)と共に1つの構造ユニットを形成している請求項1記載の排気ガス浄化装置。
- フィルタ要素(5)は複数の円板状の金属ハニカム体(8)から形成され、これらのハニカム体(8)が隙間によって互いに離間している請求項1又は2記載の排気ガス浄化装置。
- フィルタ要素(5)は少なくとも渦流領域、沈静領域および/または死領域を有する請求項1乃至3の1つに記載の排気ガス浄化装置。
- フィルタ要素(5)は開いており、通路横断面積の60%以下しか占めないミクロ構造(10)を有している請求項1乃至4の1つに記載の排気ガス浄化装置。
- フィルタ要素(5)は繊維(30)から成る少なくとも1つの中間板(29)を有し、この中間板(29)が50%の多孔質率、好ましくは75%〜90%の範囲の多孔質率を有する請求項1乃至5の1つに記載の排気ガス浄化装置。
- 排気ガスの流れ方向(7)においてフィルタ要素(5)の上流および/または下流に少なくとも1つの混合器(11)が配置され、この混合器(11)が還元剤供給装置(3)の下流に置かれている請求項1乃至6の1つに記載の排気ガス浄化装置。
- 少なくとも1つの混合器(11)は耐熱材料から成り、加水分解を促進する被覆(12)を有している請求項7記載の排気ガス浄化装置。
- 混合器(11)の、尿素と接触するあらゆる部品は、微細な無機酸化物で被覆されている請求項7又は8記載の排気ガス浄化装置。
- 無機酸化物は、二酸化チタン、二酸化けい素、二酸化ジルコニウムおよび/またはH−ゼオライトと、酸化アルミニウムとの混合物を有する請求項7乃至9の1つに記載の排気ガス浄化装置。
- 混合器(11)は開いているように構成されている請求項7乃至10の1つに記載の排気ガス浄化装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE10254764A DE10254764A1 (de) | 2002-11-22 | 2002-11-22 | Abgasanlage |
Related Parent Applications (1)
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JP2004554291A Division JP4460458B2 (ja) | 2002-11-22 | 2003-10-24 | 排気ガス浄化装置 |
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Publication Number | Publication Date |
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JP2009243470A true JP2009243470A (ja) | 2009-10-22 |
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JP2004554291A Expired - Fee Related JP4460458B2 (ja) | 2002-11-22 | 2003-10-24 | 排気ガス浄化装置 |
JP2009169387A Pending JP2009243470A (ja) | 2002-11-22 | 2009-07-17 | 排気ガス浄化装置 |
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JP2004554291A Expired - Fee Related JP4460458B2 (ja) | 2002-11-22 | 2003-10-24 | 排気ガス浄化装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7380395B2 (ja) |
EP (2) | EP1562691A2 (ja) |
JP (2) | JP4460458B2 (ja) |
AU (1) | AU2003299290A1 (ja) |
DE (1) | DE10254764A1 (ja) |
WO (1) | WO2004047952A2 (ja) |
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Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10026696A1 (de) * | 2000-05-30 | 2001-12-20 | Emitec Emissionstechnologie | Partikelfalle |
JP2006009608A (ja) * | 2004-06-23 | 2006-01-12 | Hino Motors Ltd | 排気浄化装置 |
WO2006022564A1 (en) * | 2004-08-23 | 2006-03-02 | Anna Wysocka | Installation for cleaning of exhaust gas and method for cleaning of exhaust gas |
JP4507901B2 (ja) * | 2005-02-07 | 2010-07-21 | いすゞ自動車株式会社 | 排気ガス浄化システム及びその排気ガス浄化方法 |
DE102005014265A1 (de) | 2005-03-24 | 2006-10-12 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasanlage mit zwei Abgasbehandlungseinheiten |
US7340888B2 (en) | 2005-04-26 | 2008-03-11 | Donaldson Company, Inc. | Diesel particulate matter reduction system |
DE102005031816A1 (de) * | 2005-07-06 | 2007-01-18 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Reduzierung des Partikel- und Stickoxidanteils im Abgasstrom einer Verbrennungskraftmaschine und entsprechende Abgasaufbereitungseinheit |
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US20110064633A1 (en) * | 2009-09-14 | 2011-03-17 | Ford Global Technologies, Llc | Multi-Functional Catalyst Block and Method of Using the Same |
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FR2968712A1 (fr) * | 2010-12-14 | 2012-06-15 | Peugeot Citroen Automobiles Sa | Methode d'epuration des gaz d'echappement produits par un moteur thermique equipant un vehicule automobile |
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DE102018221643A1 (de) * | 2018-12-13 | 2020-06-18 | Robert Bosch Gmbh | Verfahren zum Aufheizen einer Abgasanlage eines Verbrennungsmotors eines Kraftfahrzeugs |
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DE102019218354A1 (de) * | 2019-11-27 | 2021-05-27 | Vitesco Technologies GmbH | Vorrichtung zur Abgasnachbehandlung |
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DE102022212260A1 (de) * | 2022-11-17 | 2024-05-23 | Vitesco Technologies GmbH | Vorrichtung zur Aufheizung von Abgasen |
JP7494897B1 (ja) | 2022-12-20 | 2024-06-04 | いすゞ自動車株式会社 | 排気ガス浄化装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09262414A (ja) * | 1996-03-29 | 1997-10-07 | Sumitomo Electric Ind Ltd | ディーゼルエンジン用パティキュレートトラップ |
JPH11125110A (ja) * | 1997-08-09 | 1999-05-11 | Man Nutzfahrzeuge Ag | 酸素を含む機関排気ガス中における触媒nox還元を行なう装置及び方法 |
WO2001020142A1 (de) * | 1999-09-13 | 2001-03-22 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung mit heizelement zur abgasreinigung |
DE10020170C1 (de) * | 2000-04-25 | 2001-09-06 | Emitec Emissionstechnologie | Verfahren zum Entfernen von Rußpartikeln aus einem Abgas und zugehöriges Auffangelement |
WO2001092692A1 (de) * | 2000-05-30 | 2001-12-06 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Partikelfalle |
JP2002180816A (ja) * | 2000-12-14 | 2002-06-26 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5052178A (en) * | 1989-08-08 | 1991-10-01 | Cummins Engine Company, Inc. | Unitary hybrid exhaust system and method for reducing particulate emmissions from internal combustion engines |
DE4203807A1 (de) | 1990-11-29 | 1993-08-12 | Man Nutzfahrzeuge Ag | Vorrichtung zur katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion |
DE4038054A1 (de) | 1990-11-29 | 1992-06-04 | Man Technologie Gmbh | Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen |
DE4340742A1 (de) * | 1993-11-30 | 1995-06-01 | Emitec Emissionstechnologie | Verfahren zur Verminderung des Schadstoffausstoßes eines Dieselmotors mit nachgeschaltetem Oxidationskatalysator |
JPH0913946A (ja) * | 1995-06-28 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | 黒煙除去装置を備えた排ガス浄化装置 |
JP3899534B2 (ja) * | 1995-08-14 | 2007-03-28 | トヨタ自動車株式会社 | ディーゼル機関の排気浄化方法 |
DE19806033A1 (de) * | 1998-02-13 | 1999-08-19 | Emitec Emissionstechnologie | Anordnung und Verfahren zur Umsetzung wenigstens einer Abgaskomponente eines Abgasstromes eines Verbrennungsmotors |
DE69916312T2 (de) * | 1998-10-12 | 2005-03-17 | Johnson Matthey Public Ltd., Co. | Verfahren und vorrichtung zur behandlung von verbrennungsabgasen |
US6877313B1 (en) * | 1998-12-05 | 2005-04-12 | Johnson Matthey Public Limited Company | Particulate control |
JP2001073742A (ja) * | 1999-06-29 | 2001-03-21 | Sumitomo Electric Ind Ltd | ディーゼルエンジン用パティキュレートトラップ |
US6314722B1 (en) * | 1999-10-06 | 2001-11-13 | Matros Technologies, Inc. | Method and apparatus for emission control |
DE10031200A1 (de) * | 2000-06-27 | 2002-01-17 | Emitec Emissionstechnologie | Partikelfalle zum Abscheiden von Partikeln aus dem Strom eines Fluids, Verfahren zum Abscheiden von Partikeln aus dem Strom eines Fluids und Verwendung einer Partikelfalle |
FI114731B (fi) * | 2000-07-05 | 2004-12-15 | Kemira Metalkat Oy | Järjestelmä ja menetelmä pakokaasujen puhdistamiseksi |
US6725651B2 (en) * | 2000-11-16 | 2004-04-27 | Toyota Jidosha Kabushiki Kaisha | Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent |
US6449947B1 (en) * | 2001-10-17 | 2002-09-17 | Fleetguard, Inc. | Low pressure injection and turbulent mixing in selective catalytic reduction system |
US6601385B2 (en) * | 2001-10-17 | 2003-08-05 | Fleetguard, Inc. | Impactor for selective catalytic reduction system |
DE20117659U1 (de) * | 2001-10-29 | 2002-01-10 | Emitec Emissionstechnologie | Offener Partikelfilter mit Heizelement |
DE20117873U1 (de) | 2001-11-06 | 2002-02-14 | Emitec Emissionstechnologie | Offener Filterkörper mit verbesserten Strömungseigenschaften |
US6915629B2 (en) * | 2002-03-07 | 2005-07-12 | General Motors Corporation | After-treatment system and method for reducing emissions in diesel engine exhaust |
US6823663B2 (en) * | 2002-11-21 | 2004-11-30 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6928806B2 (en) * | 2002-11-21 | 2005-08-16 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
-
2002
- 2002-11-22 DE DE10254764A patent/DE10254764A1/de not_active Ceased
-
2003
- 2003-10-24 JP JP2004554291A patent/JP4460458B2/ja not_active Expired - Fee Related
- 2003-10-24 EP EP03799461A patent/EP1562691A2/de not_active Withdrawn
- 2003-10-24 EP EP10180942.4A patent/EP2266681B1/de not_active Expired - Fee Related
- 2003-10-24 WO PCT/EP2003/011808 patent/WO2004047952A2/de active Application Filing
- 2003-10-24 AU AU2003299290A patent/AU2003299290A1/en not_active Abandoned
-
2005
- 2005-05-23 US US11/135,039 patent/US7380395B2/en not_active Expired - Fee Related
-
2009
- 2009-07-17 JP JP2009169387A patent/JP2009243470A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09262414A (ja) * | 1996-03-29 | 1997-10-07 | Sumitomo Electric Ind Ltd | ディーゼルエンジン用パティキュレートトラップ |
JPH11125110A (ja) * | 1997-08-09 | 1999-05-11 | Man Nutzfahrzeuge Ag | 酸素を含む機関排気ガス中における触媒nox還元を行なう装置及び方法 |
WO2001020142A1 (de) * | 1999-09-13 | 2001-03-22 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung mit heizelement zur abgasreinigung |
DE10020170C1 (de) * | 2000-04-25 | 2001-09-06 | Emitec Emissionstechnologie | Verfahren zum Entfernen von Rußpartikeln aus einem Abgas und zugehöriges Auffangelement |
WO2001092692A1 (de) * | 2000-05-30 | 2001-12-06 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Partikelfalle |
JP2002180816A (ja) * | 2000-12-14 | 2002-06-26 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190082941A (ko) * | 2016-11-28 | 2019-07-10 | 씨피티 그룹 게엠베하 | 유체 증발 장치 |
KR102223960B1 (ko) * | 2016-11-28 | 2021-03-05 | 씨피티 그룹 게엠베하 | 유체 증발 장치 |
Also Published As
Publication number | Publication date |
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AU2003299290A8 (en) | 2004-06-18 |
AU2003299290A1 (en) | 2004-06-18 |
DE10254764A1 (de) | 2004-06-03 |
EP2266681B1 (de) | 2017-12-13 |
WO2004047952A3 (de) | 2004-07-15 |
US7380395B2 (en) | 2008-06-03 |
JP4460458B2 (ja) | 2010-05-12 |
EP1562691A2 (de) | 2005-08-17 |
EP2266681A1 (de) | 2010-12-29 |
WO2004047952A2 (de) | 2004-06-10 |
JP2006507445A (ja) | 2006-03-02 |
US20050229590A1 (en) | 2005-10-20 |
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