JP2013535618A - 内燃機関の排気ラインに導入される還元剤の量を制御するための構成および方法 - Google Patents
内燃機関の排気ラインに導入される還元剤の量を制御するための構成および方法 Download PDFInfo
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 57
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 29
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims abstract description 183
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 100
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000001272 nitrous oxide Substances 0.000 claims abstract description 82
- 239000003054 catalyst Substances 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 47
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 description 45
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 44
- 239000000243 solution Substances 0.000 description 42
- 238000005259 measurement Methods 0.000 description 8
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 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 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002089 NOx Inorganic materials 0.000 description 1
- GWFXMCXJFOEMNQ-UHFFFAOYSA-N [O].O=[N] Chemical compound [O].O=[N] GWFXMCXJFOEMNQ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- AEXLPFBSDYGMFP-UHFFFAOYSA-N nitrous oxide Chemical compound [O-][N+]#N.[O-][N+]#N AEXLPFBSDYGMFP-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
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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
- B01D53/9495—Controlling the catalytic process
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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
- 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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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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
- 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
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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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
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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
- F01N2560/07—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas flow rate or velocity meter or sensor, intake flow meters only when exclusively used to determine exhaust gas parameters
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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
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
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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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/18—Ammonia
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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
- 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
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
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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
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
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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
- F01N2900/1616—NH3-slip from catalyst
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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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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Abstract
【選択図】図1
Description
Claims (18)
- 内燃機関(1)の排気ラインにおけるリデューシングエージェントの噴射を制御するための構成であって、前記構成が、前記排気ライン(3)中に前記リデューシングエージェントを噴射するように適合されたインジェクションシステム(8〜12)と、供給された前記リデューシングエージェントを用いて前記排気ライン(3)における前記排気ガス中の窒素酸化物の量を低減するように適合された第1の触媒(13)と、前記排気ライン(3)の前記第1の触媒(13)の下流に載置された第2の触媒(14)とを備え、前記排気ガス中のアンモニアを窒素ガスと亜酸化窒素とに変換する、構成において、前記構成が、前記第2の触媒(14)の下流の位置で前記排気ライン(3)中に存在する亜酸化窒素の量を監視するように適合された亜酸化窒素センサ(17)と、亜酸化窒素の前記量が所望の範囲(A)内でない値であることを前記センサ(17)が検出した場合、前記排気ライン(3)中に噴射されるリデューシングエージェントの量(q)を調整するように、前記インジェクションシステム(8〜12)を制御するように適合された制御ユニット(10)とを備えることを特徴とする、構成。
- 前記制御ユニット(10)は、亜酸化窒素の前記量が上限値(Amax)を上回ったときに、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を低減するように、前記インジェクションシステム(8〜12)を制御するように適合されることを特徴とする、請求項1に記載の構成。
- 前記制御ユニット(10)は、亜酸化窒素の前記量が上限値(Amax)をどのくらい上回ったかに関係するファクタによって、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を低減するように、前記インジェクションシステム(8〜12)を制御するように適合されることを特徴とする、請求項2に記載の構成。
- 前記制御ユニット(10)は、亜酸化窒素の前記量が下限値(Amin)を下回ったときに、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を増加させるように、前記インジェクションシステム(8〜12)を制御するように適合されることを特徴とする、請求項1から3のいずれか一項に記載の構成。
- 前記制御ユニット(10)は、亜酸化窒素の前記量が下限値(Amin)をどのくらい下回ったかに関係するファクタによって、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を増加させるように、前記インジェクションシステム(8〜12)を制御するように適合されることを特徴とする、請求項4に記載の構成。
- 前記制御ユニット(10)は、前記第1の触媒(13)より上流の位置で前記排気ライン(3)中の窒素酸化物の前記量に関係するパラメータを監視するセンサ(15)からの情報に基づいて、前記排気ライン中に噴射すべきリデューシングエージェントの前記量(q)を推定するように適合されることを特徴とする、請求項1から5のいずれか一項に記載の構成。
- 前記制御ユニット(10)は、前記排気ライン(3)中の排気フローに関する情報に基づいて、前記排気ライン中に噴射すべきリデューシングエージェントの前記量(q)を推定するように適合されることを特徴とする、請求項1から6のいずれか一項に記載の構成。
- 前記制御ユニット(10)は、前記リデューシングエージェントを前記排気ライン(3)中に噴射すべきかどうかを判断するために、前記排気ライン(3)中の前記排気ガスの温度を監視する温度センサ(16)から情報を受信するように適合されることを特徴とする、請求項1から7のいずれか一項に記載の構成。
- 前記第1の触媒(13)および前記第2の触媒(14)が、前記排気ガスからエネルギーを抽出するように適合されたタービン(4)の下流にある前記排気ライン(3b)の一部分に載置されることを特徴とする、請求項1から8のいずれか一項に記載の構成。
- 内燃機関(1)の排気ライン(3)におけるリデューシングエージェントの噴射を制御するための方法であって、前記内燃機関が、前記排気ライン(3)中に前記リデューシングエージェントを噴射するように適合されたインジェクションシステム(8〜12)と、供給された前記リデューシングエージェントを用いて前記排気ライン(3)における前記排気ガス中の窒素酸化物の量を低減するように適合された第1の触媒(13)と、前記排気ライン(3)の前記第1の触媒(13)の下流に載置された第2の触媒(14)とを備え、前記排気ガス中のアンモニアを窒素ガスと亜酸化窒素とに変換する、方法において、前記第2の触媒(14)の下流の位置にある亜酸化窒素センサ(17)を用いて前記排気ライン(3)における亜酸化窒素の量を監視するステップと、亜酸化窒素の前記量が所望の範囲(A)内でない値でない場合、前記排気ライン(3)中に噴射されるリデューシングエージェントの量(q)を調整するように、前記インジェクションシステム(8〜12)を制御するステップとを特徴とする、方法。
- 亜酸化窒素の前記量が上限値(Amax)を上回ったときに、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を低減するように、前記インジェクションシステム(8〜12)を制御するステップを特徴とする、請求項10に記載の方法。
- 亜酸化窒素の前記量が上限値(Amax)をどのくらい上回ったかに関係するファクタによって、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を低減するように、前記インジェクションシステム(8〜12)を制御するステップを特徴とする、請求項11に記載の方法。
- 亜酸化窒素の前記量が下限値(Amin)を下回ったときに、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を増加させるように、前記インジェクションシステム(8〜12)を制御するステップを特徴とする、請求項9から12のいずれか一項に記載の方法。
- 亜酸化窒素の前記量が下限値(Amin)をどのくらい下回ったかに関係するファクタによって、前記排気ライン(3)中に噴射されるリデューシングエージェントの前記量(q)を増加させるように、前記インジェクションシステム(8〜12)を制御するステップを特徴とする、請求項13に記載の方法。
- 前記第1の触媒(13)より上流の位置で前記排気ライン(3)中の窒素酸化物の前記量に関係するパラメータを監視するセンサ(15)からの情報に基づいて、前記排気ライン中に噴射すべきリデューシングエージェントの前記量(q)を推定するステップを特徴とする、請求項10から14のいずれか一項に記載の方法。
- 前記排気ライン(3)中の排気フローに関する情報に基づいて、前記排気ライン中に噴射すべきリデューシングエージェントの前記量(q)を推定するステップを特徴とする、請求項10から15のいずれか一項に記載の方法。
- 前記排気ライン(3)中の排気ガスの温度を監視する温度センサ(16)からの情報に基づいて、前記排気ライン(3)中に前記リデューシングエージェントを噴射すべきか否かを判断するステップを特徴とする、請求項10から16のいずれか一項に記載の方法。
- 前記第1の触媒(13)および前記第2の触媒(14)が、前記排気ガスからエネルギーを抽出するように適合されたタービン(4)の下流に載置された前記排気ライン(3b)の一部分にあることを特徴とする、請求項10から17のいずれか一項に記載の方法。
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SE1050853A SE536140C2 (sv) | 2010-08-13 | 2010-08-13 | Arrangemang och förfarande för att styra mängden av ett reduktionsmedel som tillförs en avgasledning hos en förbränningsmotor |
SE1050853-9 | 2010-08-13 | ||
PCT/SE2011/050938 WO2012021103A1 (en) | 2010-08-13 | 2011-07-11 | Arrangement and method for controlling the quantity of a reductant introduced into an exhaust line of an internal combustion engine |
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US9394822B2 (en) * | 2013-07-15 | 2016-07-19 | Ford Global Technologies, Llc | Emission control system including an oxidation catalyst and selective catalytic reduction catalyst |
US10018092B2 (en) * | 2016-11-23 | 2018-07-10 | GM Global Technology Operations LLC | Model predictive control for multi-can selective catalytic reduction system |
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JP2004211676A (ja) * | 2002-11-11 | 2004-07-29 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2008255899A (ja) * | 2007-04-05 | 2008-10-23 | Toyota Motor Corp | アンモニア酸化触媒におけるn2o生成量推定方法および内燃機関の排気浄化システム |
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US8201394B2 (en) * | 2008-04-30 | 2012-06-19 | Cummins Ip, Inc. | Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system |
EP2181756B1 (en) * | 2008-10-30 | 2014-12-17 | Delphi International Operations Luxembourg S.à r.l. | Method for controlling a SCR catalyst |
JP2010112290A (ja) * | 2008-11-07 | 2010-05-20 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
DE102009012093A1 (de) * | 2009-03-06 | 2010-09-09 | Man Nutzfahrzeuge Ag | Verfahren zur Einstellung der Dosierungen des Reduktionsmittels bei selektiver katalytischer Reduktion |
DE102011077246B3 (de) * | 2011-06-09 | 2012-06-06 | Ford Global Technologies, Llc | Filterungsverfahren und Filter für einen NOx Sensor eines Abgassystems |
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JP2004211676A (ja) * | 2002-11-11 | 2004-07-29 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2008255899A (ja) * | 2007-04-05 | 2008-10-23 | Toyota Motor Corp | アンモニア酸化触媒におけるn2o生成量推定方法および内燃機関の排気浄化システム |
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WO2012021103A1 (en) | 2012-02-16 |
EP2603683B1 (en) | 2018-09-12 |
EP2603683A4 (en) | 2017-03-22 |
US8562925B2 (en) | 2013-10-22 |
SE536140C2 (sv) | 2013-05-28 |
RU2552659C2 (ru) | 2015-06-10 |
RU2013110840A (ru) | 2014-09-20 |
CN103069121A (zh) | 2013-04-24 |
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