JP2006322337A - 排気ガス浄化システムの制御方法及び排気ガス浄化システム - Google Patents
排気ガス浄化システムの制御方法及び排気ガス浄化システム Download PDFInfo
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- 230000008929 regeneration Effects 0.000 claims abstract description 223
- 238000011069 regeneration method Methods 0.000 claims abstract description 223
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 230000001172 regenerating effect Effects 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims description 53
- 238000001816 cooling Methods 0.000 claims description 47
- 238000000746 purification Methods 0.000 claims description 46
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 230000003647 oxidation Effects 0.000 claims description 26
- 238000007254 oxidation reaction Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 71
- 239000013618 particulate matter Substances 0.000 description 35
- 239000000446 fuel Substances 0.000 description 23
- 239000002826 coolant Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
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- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/08—Introducing corrections for particular operating conditions for idling
- F02D41/083—Introducing corrections for particular operating conditions for idling taking into account engine load variation, e.g. air-conditionning
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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
- F01N3/023—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
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- 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
- F01N3/0232—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 removing incombustible material from a particle filter, e.g. ash
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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
- F01N3/0235—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 using exhaust gas throttling means
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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
- F01N3/033—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 in combination with other devices
- F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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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
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
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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
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D2041/026—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus using an external load, e.g. by increasing generator load or by changing the gear ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0812—Particle filter loading
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
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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
- Y02T10/40—Engine management systems
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】 再生制御手段35Cが、再生時期判定手段34Cにより再生時期であると判定され、且つ、排気ガス温度が低い場合、排気昇温手段351Cにより排気温度を上昇させてフィルタ12bを強制的に再生させる強制再生モードと、捕集量検出手段32Cの検出結果に基づき前記フィルタ12bを任意に再生させる任意再生モードとを有する排気ガス浄化システムの制御方法において、前記任意再生モード時に前記排気昇温手段351Cによって排気温度を上昇させている間は、車両のエアコンのコンプレッサ41を作動停止状態にする。
【選択図】 図3
Description
10 ディーゼルエンジン
12 連続再生型DPF装置
12a 酸化触媒
12b 触媒付きフィルタ
30 制御装置(ECU)
30C DPF制御手段
31C 通常運転制御手段
32C 捕集量検出手段
33C 走行距離検出手段
34C 再生時期判定手段
35C 再生制御手段
351C 排気昇温手段
352C 未燃燃料添加手段
36C 任意再生警告手段
37C 冷却水温検出手段
Tw エンジンの冷却水の温度
Tw1 所定の判定用水温
Claims (9)
- 内燃機関の排気ガス通路に、ディーゼルパティキュレートフィルタ装置と、該ディーゼルパティキュレートフィルタ装置のフィルタにおけるディーゼルパティキュレートの捕集量を検出する捕集量検出手段と、該捕集量検出手段の検出結果に基づいて前記フィルタの再生時期を判定する再生時期判定手段と、排気ガスを昇温させる排気昇温手段と、前記再生時期判定手段により再生時期であると判定されると前記フィルタを再生させる再生制御手段とを配設し、
該再生制御手段が、前記再生時期判定手段により再生時期であると判定され、且つ、排気ガス温度が低い場合、前記排気昇温手段により排気温度を上昇させて前記フィルタを強制的に再生させる強制再生モードと、前記捕集量検出手段の検出結果に基づき前記フィルタを任意に再生させる任意再生モードとを有する排気ガス浄化システムの制御方法において、
前記任意再生モード時に前記排気昇温手段によって排気温度を上昇させている間は、車両のエアコンのコンプレッサを作動停止状態にする
ことを特徴とする排気ガス浄化システムの制御方法。 - 前記エアコンのコンプレッサと、該エアコンのコンデンサと、該コンデンサを冷却する冷却用ファンとが前記内燃機関のラジエータ近傍に配設される場合、前記コンプレッサの前記作動停止状態中も、前記冷却用ファンを駆動状態とする
ことを特徴とする請求項1記載の排気ガス浄化システムの制御方法。 - 前記任意再生モード時の前記排気昇温手段により排気温度を上昇させている間において、
前記内燃機関の冷却水の温度が所定の判定用水温以上の場合にのみ、前記コンプレッサの作動停止状態にする
ことを特徴とする請求項1または2記載の排気ガス浄化システムの制御方法。 - 前記排気昇温手段の排気温度上昇制御において、
シリンダ内噴射でのマルチ噴射および/または排気絞りを行う
ことを特徴とする少なくとも請求項1〜3のいずれか1項に記載の排気ガス浄化システムの制御方法。 - 内燃機関の排気ガス通路に、ディーゼルパティキュレートフィルタ装置と、該ディーゼルパティキュレートフィルタ装置のフィルタにおけるディーゼルパティキュレートの捕集量を検出する捕集量検出手段と、該捕集量検出手段の検出結果に基づいて前記フィルタの再生時期を判定する再生時期判定手段と、排気ガスを昇温させる排気昇温手段と、前記再生時期判定手段により再生時期であると判定されると前記フィルタを再生させる再生制御手段とを配設し、
該再生制御手段が、前記再生時期判定手段により再生時期であると判定され、且つ、排気ガス温度が低い場合、前記排気昇温手段により排気温度を上昇させて前記フィルタを強制的に再生させる強制再生モードと、前記捕集量検出手段の検出結果に基づき前記フィルタを任意に再生させる任意再生モードとを有する排気ガス浄化システムにおいて、
前記再生制御手段が前記任意再生モード時に前記排気昇温手段によって排気温度を上昇させている間は、車両のエアコンのコンプレッサを作動停止状態にする制御を行う
ことを特徴とする排気ガス浄化システム。 - 前記エアコンのコンプレッサと、該エアコンのコンデンサと、該コンデンサを冷却する冷却用ファンとが前記内燃機関のラジエータ近傍に配設される場合、前記再生制御手段が前記コンプレッサの前記作動停止状態中も前記冷却用ファンを駆動状態とする制御を行う ことを特徴とする請求項5記載の排気ガス浄化システム。
- 前記任意再生モード時の前記排気昇温手段により排気温度を上昇させている間において、
前記内燃機関の冷却水の温度が所定の判定用水温以上の場合にのみ、前記再生制御手段が前記コンプレッサを作動停止状態にする制御を行う
ことを特徴とする請求項5または6記載の排気ガス浄化システム。 - 前記排気昇温手段が排気温度上昇制御において、
シリンダ内噴射でのマルチ噴射および/または排気絞りを行う
ことを特徴とする少なくとも請求項1〜3のいずれか1項に記載の排気ガス浄化システムの制御方法。 - 前記ディーゼルパティキュレートフィルタ装置が、触媒を担持せずにフィルタで形成されたディーゼルパティキュレートフィルタ装置、フィルタに酸化触媒を担持させた連続再生型ディーゼルパティキュレートフィルタ装置、フィルタの上流側に酸化触媒を設けた連続再生型ディーゼルパティキュレートフィルタ装置、フィルタに触媒を担持させると共に該フィルタの上流側に酸化触媒を設けた連続再生型ディーゼルパティキュレートフィルタ装置のいずれか一つ又はその組合せであることを特徴とする請求項5又は6に記載の排気ガス浄化システム。
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EP06745618A EP1882829B1 (en) | 2005-05-17 | 2006-04-24 | Method of controlling exhaust gas purification system, and exhaust gas purification system |
US11/919,871 US7823378B2 (en) | 2005-05-17 | 2006-04-24 | Method of controlling exhaust gas purification system, and exhaust gas purification system |
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US20090064665A1 (en) | 2009-03-12 |
EP1882829B1 (en) | 2011-12-14 |
EP1882829A4 (en) | 2010-08-18 |
CN101175905A (zh) | 2008-05-07 |
CN101175905B (zh) | 2010-06-09 |
WO2006123512A1 (ja) | 2006-11-23 |
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