JP2015055251A - 内燃エンジンの排ガス再処理システム、及びその運転方法 - Google Patents
内燃エンジンの排ガス再処理システム、及びその運転方法 Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000011268 retreatment Methods 0.000 title abstract 3
- 239000007789 gas Substances 0.000 claims abstract description 117
- 239000004071 soot Substances 0.000 claims abstract description 105
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- 230000008929 regeneration Effects 0.000 claims abstract description 22
- 238000011069 regeneration method Methods 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims description 146
- 238000012958 reprocessing Methods 0.000 claims description 51
- 238000011144 upstream manufacturing Methods 0.000 claims description 23
- 238000012937 correction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims 1
- 229910002089 NOx Inorganic materials 0.000 description 17
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 16
- 238000005259 measurement Methods 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Images
Classifications
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
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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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
-
- 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
- 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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/007—Storing data relevant to operation of exhaust systems for later retrieval and analysis, e.g. to research exhaust system malfunctions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
- G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
- G01M15/104—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using oxygen or lambda-sensors
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
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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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
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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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
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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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1606—Particle filter loading or soot amount
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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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
2NO+O2→2NO2
2NO2+C→2NO+CO2
NO2+C→NO+CO
2C+2NO2→N2+2CO2
C+O2→CO2
2C+2NO→N2+2CO
C+O2→CO2
2C+2NO2→N2+2CO2
2C+2NO→N2+2CO
ΔT=mC*HuC/((mexhaust gas)*αexhaust gas)+(mFilter*αFilter)
ここでΔTは煤燃焼の結果としての温度上昇に相当し、mCは煤燃焼前の粒子フィルタの煤での充填に相当し、HuCは煤の発熱量に相当し、mexhaust gasは排ガス質量処理量に相当し、αexhaust gasは排ガスの熱容量に相当し、mFilterはフィルタ質量に相当し、αFilterはフィルタの熱容量に相当する。
dT/dt≒dO2/dt
dT/dt≒dNOx/dt
11 内燃エンジン
12 粒子フィルタ
13 排ガス再処理アセンブリ
14 排ガス再処理アセンブリ
15 センサ
16 センサ
17 制御デバイス
18 曲線形状
18’ 曲線形状
19 曲線形状
19’ 曲線形状
Claims (12)
- 粒子フィルタ(12)を有する、内燃エンジンの排ガス再処理システムであって、前記排ガスの流れ方向から見て前記粒子フィルタ(12)の下流に配置された、前記粒子フィルタ(12)の下流における前記排ガス中の酸素含量及び/又はNOx含量を測定するためのセンサ(15)を特徴とする、排ガス再処理システム。
- 前記粒子フィルタ(12)の上流及び/又は下流に、さらに排ガス再処理システム(13、14)が提供されることを特徴とする、請求項1に記載の排ガス再処理システム。
- 前記排ガス中の酸素含量を測定するための前記センサ(15)は、前記排ガスの流れ方向において前記粒子フィルタ(12)の直ぐ下流、つまり、前記粒子フィルタ(12)の下流に接続されたそれぞれのさらなる排ガス再処理アセンブリ(14)の上流に配置されることを特徴とする、請求項1又は2に記載の排ガス再処理システム。
- 前記排ガス中の酸素含量及び/又はNOx含量を測定するためのさらなるセンサ(16)であって、前記排ガスの流れ方向において前記粒子フィルタ(12)の直ぐ上流、つまり、前記粒子フィルタ(12)の上流に接続されたそれぞれのさらなる排ガス再処理アセンブリ(13)の下流に配置されるセンサ(16)を特徴とする、請求項1から3の何れか1項に記載の排ガス再処理システム。
- 第1センサ(15)及び適切な場合に存在する第2センサ(16)は、ラムダセンサ及び/又はNOxセンサであることを特徴とする、請求項1から4の何れか1項に記載の排ガス再処理システム。
- 第1センサ(15)及び適切な場合に存在する第2センサ(16)によって測定された酸素含量及び/又はNOx含量を処理する制御デバイス(17)を特徴とする、請求項1から5の何れか1項に記載の排ガス再処理システム。
- 前記制御デバイス(17)は、請求項8から12の何れか1項に記載の方法を実施することを特徴とする、請求項6に記載の排ガス再処理システム。
- 前記粒子フィルタにおける煤燃焼の際、つまり、前記粒子フィルタの受動的再生における制御されていない煤燃焼又は前記粒子フィルタの能動的再生における制御された煤燃焼の際に、第1センサによって測定された前記粒子フィルタの下流における前記排ガス中の酸素含量及び/又はNOx含量に少なくとも基づいて、煤燃焼前の前記粒子フィルタの煤での充填、及び/又は煤燃焼の結果としての前記粒子フィルタの温度上昇、及び/又は煤燃焼の速度が決定される、請求項1から7の何れか1項に記載の排ガス再処理システムの運転方法。
- 前記排ガス再処理システムのダイナミック運転の間、第2センサを用いて計算又は測定された前記粒子フィルタの上流における前記排ガス中の酸素含量及び/又はNOx含量が、煤燃焼前の前記粒子フィルタの煤での充填、及び/又は煤燃焼の結果としての前記粒子フィルタの温度上昇、及び/又は煤燃焼の速度を決定するために追加的に使用されることを特徴とする、請求項8に記載の方法。
- 具体的に、煤燃焼の結果としての前記粒子フィルタの温度上昇が大きすぎると決定される場合、前記温度上昇を低下させるための手段が、前記排ガス再処理システムの上流に接続された内燃エンジンの運転に影響を与えることによって行われることを特徴とする、請求項8又は9に記載の方法。
- 具体的に、煤燃焼の結果としての前記粒子フィルタの温度上昇が大きすぎる、及び/又は煤燃焼前の前記粒子フィルタの煤での充填が大きすぎると決定される場合、前記粒子フィルタに対する少なくとも1つの診断メッセージ及び/又は前記排ガス再処理システムの上流に接続された内燃エンジンに対する少なくとも1つの診断メッセージが生じ、記憶され、かつ適切な場合に表示されることを特徴とする、請求項8から10の何れか1項に記載の方法。
- 決定された煤燃焼前の前記粒子フィルタの煤での充填、及び/又は煤燃焼の結果としての前記粒子フィルタの温度上昇、及び/又は煤燃焼の速度が、前記粒子フィルタの充填モデルの対応量と比較され、具体的に少なくとも1つの決定された値が前記粒子フィルタの充填モデルの対応量から外れる場合、前記粒子フィルタの充填モデルを適合させるための補正値が決定されることを特徴とする、請求項8から11の何れか1項に記載の方法。
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DE102013014990.8 | 2013-09-10 | ||
DE102013014990.8A DE102013014990A1 (de) | 2013-09-10 | 2013-09-10 | Abgasnachbehandlungssystem einer Brennkraftmaschine und Verfahren zum Betreiben desselben |
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US (1) | US9677450B2 (ja) |
JP (1) | JP6554274B2 (ja) |
KR (1) | KR102234810B1 (ja) |
DE (1) | DE102013014990A1 (ja) |
FR (1) | FR3010445B1 (ja) |
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US20150135679A1 (en) * | 2013-11-21 | 2015-05-21 | General Electric Company | Emissions control in diesel engines |
JP2017218898A (ja) * | 2016-06-03 | 2017-12-14 | いすゞ自動車株式会社 | 内燃機関のフィルター再生システム及び内燃機関のフィルター再生方法 |
US10550781B2 (en) | 2017-09-12 | 2020-02-04 | Ford Global Technologies, Llc | Systems and methods for particulate filter load estimation |
DE102018207227B4 (de) * | 2018-05-09 | 2021-10-07 | Bayerische Motoren Werke Aktiengesellschaft | Ermitteln einer Aschebeladung eines Partikelfilters für einen Verbrennungsmotor |
DE102018211195A1 (de) * | 2018-07-06 | 2020-01-09 | Robert Bosch Gmbh | Verfahren zur Bewertung einer Reaktionsgeschwindigkeit einer chemischen Reaktion in einem Abgasfilter |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
CN115405404B (zh) * | 2022-09-29 | 2024-07-19 | 潍柴动力股份有限公司 | Soot原排模型的构建方法、装置及发动机后处理系统 |
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JP6554274B2 (ja) | 2019-07-31 |
DE102013014990A1 (de) | 2015-03-12 |
KR20150029595A (ko) | 2015-03-18 |
FR3010445A1 (fr) | 2015-03-13 |
US9677450B2 (en) | 2017-06-13 |
US20150068195A1 (en) | 2015-03-12 |
FR3010445B1 (fr) | 2019-04-12 |
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