JP4807338B2 - ディーゼル機関の制御装置 - Google Patents
ディーゼル機関の制御装置 Download PDFInfo
- Publication number
- JP4807338B2 JP4807338B2 JP2007207176A JP2007207176A JP4807338B2 JP 4807338 B2 JP4807338 B2 JP 4807338B2 JP 2007207176 A JP2007207176 A JP 2007207176A JP 2007207176 A JP2007207176 A JP 2007207176A JP 4807338 B2 JP4807338 B2 JP 4807338B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- fuel
- diesel engine
- exhaust temperature
- minimum operating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- F01N3/36—Arrangements for supply of additional fuel
-
- 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
-
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
- F02D19/0652—Biofuels, e.g. plant oils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/085—Control based on the fuel type or composition
- F02D19/087—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
- F02D19/088—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels by estimation, i.e. without using direct measurements of a corresponding sensor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
-
- 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
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0611—Fuel type, fuel composition or fuel quality
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- 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
- F02D41/403—Multiple injections with pilot injections
-
- 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
- F02D41/405—Multiple injections with post injections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/95—Fuel injection apparatus operating on particular fuels, e.g. biodiesel, ethanol, mixed fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Energy (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
詰まり防止制御を行い、排気燃料添加弁88から排気通路に燃料が噴射されることで、噴射燃料が排気通路を流れる排出ガスにおいて十分に気化し、HC及びPMの排出量が増大しないかどうかを判定している。
10 ディーゼル機関
24 吸気ポート(吸気通路)
26 排気ポート(排気通路)
42 エアクリーナ
46 スロットル弁
48 吸気マニホールド
50a マニホールド通路(排気通路)
50c 合流部(排気通路)
50e 通路(排気通路)
52 排気マニホールド
55 排気後処理装置
55a NOx吸蔵還元型触媒(排気後処理装置)
55c DPNR触媒システム(排気後処理装置)
60 ターボ過給機
80 燃料噴射装置(燃料噴射弁)
82 燃料レール
84 高圧燃料ポンプ
88 排気燃料添加弁
94 排気温度センサ
98 A/Fセンサ
100 ディーゼル機関用の電子制御装置(ECU)
102 アクセルペダルポジションセンサ
120 燃料タンク
122 低圧燃料ポンプ
128 バイオ燃料濃度検出装置
Claims (6)
- 排気後処理装置より上流側の排気通路から燃料を添加可能な排気燃料添加弁を備えたディーゼル機関に用いられ、排気燃料添加弁を制御可能な制御装置であって、
燃料中のバイオ燃料濃度を推定するバイオ燃料濃度推定手段と、
排気通路における排気温度を取得する排気温度取得手段と、
排気燃料添加弁からの燃料添加を許可する排気温度の下限値である最低作動排気温度を設定する最低作動排気温度設定手段と、
を有し、
最低作動排気温度設定手段は、
推定されたバイオ燃料濃度に応じて最低作動排気温度を設定することを特徴とするディーゼル機関の制御装置。 - 請求項1に記載のディーゼル機関の制御装置において、
最低作動排気温度設定手段は、
推定されたバイオ燃料濃度が所定値以上である場合、バイオ燃料濃度がゼロである場合に比べて、最低作動排気温度が高くなるよう設定することを特徴とするディーゼル機関の制御装置。 - 請求項2に記載のディーゼル機関の制御装置において、
最低作動排気温度設定手段は、
推定されたバイオ燃料濃度が所定値以上である場合、バイオ燃料濃度が高くなるに従って最低作動排気温度が高くなるよう設定することを特徴とするディーゼル機関の制御装置。 - 請求項1〜3のいずれか1項に記載のディーゼル機関の制御装置において、
ディーゼル機関は、排気燃料添加弁に比べて高い燃圧で、気筒内に燃料を噴射可能な燃料噴射装置を備えるものであり、
取得された排気温度が、バイオ燃料濃度に応じて設定された最低作動排気温度を下回る場合に、メイン噴射に対して遅角した時期において燃料噴射装置に燃料噴射を行わせて、排気温度を上昇させる排気昇温制御手段を、
有することを特徴とするディーゼル機関の制御装置。 - 請求項1〜4のいずれか1項に記載のディーゼル機関の制御装置において、
排気燃料添加弁の噴孔の詰まりを防止する必要があるか否かを判定する詰まり防止要否判定手段と、
詰まりを防止する必要があると判定され、且つ、取得された排気温度がバイオ燃料濃度に応じて設定された最低作動排気温度以上である場合に、排気燃料添加弁に燃料を噴射させて、噴孔の詰まりを防止する詰まり防止制御手段と、
を有することを特徴とするディーゼル機関の制御装置。 - 請求項5に記載のディーゼル機関の制御装置において、
排気温度制御手段は、
詰まりを防止する必要があると判定され、且つ取得された排気温度がバイオ燃料濃度に応じて設定された最低作動排気温度を下回る場合に、排気温度を上昇させることを特徴とするディーゼル機関の制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007207176A JP4807338B2 (ja) | 2007-08-08 | 2007-08-08 | ディーゼル機関の制御装置 |
PCT/JP2008/064147 WO2009020163A1 (ja) | 2007-08-08 | 2008-08-06 | ディーゼル機関の制御装置 |
CN2008801015878A CN101772625B (zh) | 2007-08-08 | 2008-08-06 | 柴油机的控制装置 |
US12/671,151 US8175788B2 (en) | 2007-08-08 | 2008-08-06 | Control unit of diesel engine |
EP08826953A EP2187007B1 (en) | 2007-08-08 | 2008-08-06 | Control device for diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007207176A JP4807338B2 (ja) | 2007-08-08 | 2007-08-08 | ディーゼル機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009041446A JP2009041446A (ja) | 2009-02-26 |
JP4807338B2 true JP4807338B2 (ja) | 2011-11-02 |
Family
ID=40341395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007207176A Expired - Fee Related JP4807338B2 (ja) | 2007-08-08 | 2007-08-08 | ディーゼル機関の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8175788B2 (ja) |
EP (1) | EP2187007B1 (ja) |
JP (1) | JP4807338B2 (ja) |
CN (1) | CN101772625B (ja) |
WO (1) | WO2009020163A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12085216B2 (en) | 2022-02-17 | 2024-09-10 | Arctic Cat Inc. | Multi-use fuel filler tube |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110208409A1 (en) * | 2008-08-01 | 2011-08-25 | David Benjamin Snyder | Fuel blend sensing system |
JP5150702B2 (ja) * | 2010-10-15 | 2013-02-27 | 株式会社豊田自動織機 | 内燃機関の排気浄化装置 |
SE1150863A1 (sv) * | 2011-09-22 | 2013-03-23 | Scania Cv Ab | Förfarande vid ett HC-doseringssystem samt ett HC-doseringssystem |
DE102011083909A1 (de) * | 2011-09-30 | 2013-04-04 | Deere & Company | Regenerationsverfahren für einenabgasstromdurchsetzten Rußpartikelfilter |
US9255542B2 (en) * | 2013-02-04 | 2016-02-09 | Ford Global Technologies, Llc | System and method for compensating biodiesel fuel |
CN103397945A (zh) * | 2013-08-16 | 2013-11-20 | 吉林大学 | 甲醇发动机负荷控制系统 |
DE102014209957A1 (de) * | 2014-05-26 | 2015-11-26 | Robert Bosch Gmbh | Verfahren zum Betreiben einer mit Erdgas betriebenen Brennkraftmaschine eines Kraftfahrzeugs |
CN108240250B (zh) * | 2016-12-27 | 2020-11-24 | 丰田自动车株式会社 | 内燃机的排气净化装置 |
JP7116702B2 (ja) * | 2019-04-04 | 2022-08-10 | 株式会社Soken | 内燃機関の排気浄化装置 |
CN110454261B (zh) * | 2019-06-29 | 2020-08-21 | 潍柴动力股份有限公司 | 一种hc喷嘴堵塞的监控方法、装置及系统 |
US12104545B1 (en) * | 2023-12-21 | 2024-10-01 | Cummins Emission Solutions Inc. | Estimating biodiesel blend using virtual sensors and virtual sensing methods |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2855839B2 (ja) * | 1990-10-09 | 1999-02-10 | トヨタ自動車株式会社 | 車両用制動装置 |
JP2907594B2 (ja) * | 1991-08-07 | 1999-06-21 | 株式会社日立製作所 | エンジン制御システム |
JP3206148B2 (ja) | 1992-11-04 | 2001-09-04 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
CN2411345Y (zh) * | 2000-04-03 | 2000-12-20 | 张树 | 柴油发动机消烟净化装置 |
US7331170B2 (en) * | 2003-05-22 | 2008-02-19 | Hino Motors, Ltd. | Exhaust emission control device |
JP4434007B2 (ja) * | 2004-12-24 | 2010-03-17 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP4432769B2 (ja) * | 2004-12-24 | 2010-03-17 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP4654946B2 (ja) * | 2006-03-07 | 2011-03-23 | トヨタ自動車株式会社 | 内燃機関の燃料供給装置 |
JP2009127486A (ja) * | 2007-11-21 | 2009-06-11 | Toyota Motor Corp | 内燃機関の排気燃料添加制御装置 |
JP2009133279A (ja) * | 2007-11-30 | 2009-06-18 | Toyota Motor Corp | 燃料供給制御装置および燃料供給制御方法 |
JP4530069B2 (ja) * | 2008-04-15 | 2010-08-25 | 株式会社デンソー | 燃料噴射制御装置 |
JP5304402B2 (ja) * | 2009-04-08 | 2013-10-02 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
-
2007
- 2007-08-08 JP JP2007207176A patent/JP4807338B2/ja not_active Expired - Fee Related
-
2008
- 2008-08-06 CN CN2008801015878A patent/CN101772625B/zh not_active Expired - Fee Related
- 2008-08-06 EP EP08826953A patent/EP2187007B1/en not_active Not-in-force
- 2008-08-06 US US12/671,151 patent/US8175788B2/en not_active Expired - Fee Related
- 2008-08-06 WO PCT/JP2008/064147 patent/WO2009020163A1/ja active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12085216B2 (en) | 2022-02-17 | 2024-09-10 | Arctic Cat Inc. | Multi-use fuel filler tube |
Also Published As
Publication number | Publication date |
---|---|
US8175788B2 (en) | 2012-05-08 |
EP2187007B1 (en) | 2012-05-23 |
EP2187007A1 (en) | 2010-05-19 |
JP2009041446A (ja) | 2009-02-26 |
US20100204905A1 (en) | 2010-08-12 |
EP2187007A4 (en) | 2011-04-06 |
CN101772625A (zh) | 2010-07-07 |
CN101772625B (zh) | 2012-09-19 |
WO2009020163A1 (ja) | 2009-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4807338B2 (ja) | ディーゼル機関の制御装置 | |
US8117833B2 (en) | Method and system using a reduction catalyst to reduce nitrate oxide | |
JP4442459B2 (ja) | 電動機付き過給機を有する内燃機関 | |
US9447743B2 (en) | Exhaust gas purification system and exhaust gas purification method | |
JP6191760B2 (ja) | ディーゼルエンジンの制御装置及び制御方法 | |
US20050241299A1 (en) | Low emission diesel particulate filter (DPF) regeneration | |
US9212585B2 (en) | Exhaust gas purifying apparatus for internal combustion engine | |
US10443521B2 (en) | Exhaust emission control system of engine | |
JP5332816B2 (ja) | ディーゼル機関用制御装置 | |
JP2009185735A (ja) | 排気浄化制御装置 | |
US10443524B2 (en) | Exhaust emission control system of engine | |
JP2009041447A (ja) | ディーゼル機関の燃料供給装置 | |
EP2682580A2 (en) | Exhaust emission control system for internal combustion engine, and control method for exhaust emission control system | |
EP2175122A2 (en) | Exhaust gas purification system for internal combustion engine | |
JP2011231645A (ja) | 内燃機関の排気浄化装置 | |
US10378405B2 (en) | Method for managing temperatures in aftertreatment system | |
JP2009024533A (ja) | ディーゼル機関の制御装置 | |
JP2013238241A (ja) | ディーゼルエンジンのフィルタ再生方法 | |
JP5774300B2 (ja) | 排気浄化装置 | |
JP2005090249A (ja) | 温度制御装置 | |
JP2013185511A (ja) | 内燃機関の排気浄化装置 | |
JP2011140924A (ja) | 内燃機関の制御装置 | |
JP2009133205A (ja) | 内燃機関の排気装置 | |
JP2013189870A (ja) | 内燃機関の排気浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090202 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110719 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110801 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140826 Year of fee payment: 3 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 4807338 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |