KR20080065526A - 내부 egr 시스템을 갖춘 엔진 - Google Patents
내부 egr 시스템을 갖춘 엔진 Download PDFInfo
- Publication number
- KR20080065526A KR20080065526A KR1020070109441A KR20070109441A KR20080065526A KR 20080065526 A KR20080065526 A KR 20080065526A KR 1020070109441 A KR1020070109441 A KR 1020070109441A KR 20070109441 A KR20070109441 A KR 20070109441A KR 20080065526 A KR20080065526 A KR 20080065526A
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- Prior art keywords
- egr
- valve
- engine
- exhaust
- exhaust gas
- Prior art date
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- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 230000003134 recirculating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- 230000007423 decrease Effects 0.000 description 8
- 239000013618 particulate matter Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 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
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0257—Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0276—Actuation of an additional valve for a special application, e.g. for decompression, exhaust gas recirculation or cylinder scavenging
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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
- F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
- F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
- F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of 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
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
- F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/006—Controlling exhaust gas recirculation [EGR] using internal EGR
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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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1448—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an exhaust gas pressure
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- 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
- F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages
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- 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
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/25—Layout, e.g. schematics with coolers having bypasses
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- 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
- F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
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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
- 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
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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
- F02D41/0002—Controlling intake air
- F02D2041/0017—Controlling intake air by simultaneous control of throttle and exhaust gas recirculation
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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
- F02D41/027—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
- 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
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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
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (4)
- 미립자 필터, 배기 가스 통로를 통해 유동하는 배기 가스의 일부를 엔진의 흡입 공기 통로로 도입하기 위한 EGR(배기 가스 재순환) 도관 및 EGR 도관의 밸브 개방도를 제어하기 위한 EGR 밸브가 설치된 EGR 시스템을 갖춘 엔진이며,상기 엔진은 엔진의 실린더 내의 흡기 통로 내의 배기 가스 일부가 실린더로 다시 유입하는 것을 허용하기 위해 배기 밸브 또는 밸브가 흡입 행정에서 작은 리프트량 만큼 상승되게 함으로써 배기 밸브 서브 리프트식 내부 EGR이 수행되도록 구성되고,미립자 필터 내의 배기 가스 차압을 검출하는 수단 및 내부 EGR의 EGR 비율의 기준값에 상당하는 미립자 필터 내 차압의 기준값이 설정되어 있고 EGR 조정량이 검출된 차압과 미립자 필터 내의 차압의 기준값 사이의 차압 편차에 기초하여 산출되며, 산출된 EGR 조정량에 따라 EGR 밸브의 밸브 개방도를 제어하는 제어기가 제공되는 EGR 시스템을 갖춘 엔진.
- 제1항에 있어서, 상기 EGR 제어기는 산출된 EGR 조정량에 상당하는 양만큼 EGR 밸브의 밸브 개방도를 증가시키도록 제어하는 EGR 시스템을 갖춘 엔진.
- 제1항에 있어서, 상기 EGR 제어기는 EGR 조정량에 따라 공기 공급 유량을 제어하는 스로틀 밸브의 밸브 개방도 및 EGR 밸브의 밸브 개방도를 제어하는 EGR 시 스템을 갖춘 엔진.
- 제1항에 있어서, 저온 EGR 도관 및 고온 EGR 도관이 상기 배기 가스 통로와 흡입 공기 통로 사이에 서로 평행하게 제공되고, 상기 저온 EGR 도관을 통해 유동하는 배기 가스를 냉각하기 위한 EGR 냉각기 및 저온 EGR 밸브가 상기 저온 EGR 도관에 제공되고, 고온 EGR 도관 밸브가 상기 고온 EGR 도관에 제공됨으로써, 고온 EGR 밸브의 밸브 개방도가 EGR 제어기에 의해 제어되는 EGR 시스템을 갖춘 엔진.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-00001706 | 2007-01-09 | ||
JP2007001706A JP2008169712A (ja) | 2007-01-09 | 2007-01-09 | Egrシステム付きエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080065526A true KR20080065526A (ko) | 2008-07-14 |
KR100909738B1 KR100909738B1 (ko) | 2009-07-29 |
Family
ID=39147634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070109441A KR100909738B1 (ko) | 2007-01-09 | 2007-10-30 | 내부 egr 시스템을 갖춘 엔진 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7597089B2 (ko) |
EP (1) | EP1944497B1 (ko) |
JP (1) | JP2008169712A (ko) |
KR (1) | KR100909738B1 (ko) |
CN (1) | CN101220776B (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2388461A1 (en) * | 2010-05-21 | 2011-11-23 | C.R.F. Società Consortile per Azioni | Internal exhaust gas recirculation control in an internal combustion engine |
DE102011006756B4 (de) * | 2011-04-05 | 2021-06-10 | Robert Bosch Gmbh | Antriebssystem für ein Kraftfahrzeug |
EP2698518B1 (en) * | 2011-04-13 | 2017-05-17 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine control apparatus |
US9279376B2 (en) * | 2011-06-17 | 2016-03-08 | GM Global Technology Operations LLC | System and method for controlling exhaust gas recirculation |
US9890695B2 (en) * | 2011-09-30 | 2018-02-13 | General Electric Company | Exhaust gas recirculation in a reciprocating engine |
US20140014078A1 (en) * | 2012-07-11 | 2014-01-16 | GM Global Technology Operations LLC | Engine including internal egr |
DE112013003454T5 (de) | 2012-07-31 | 2015-04-23 | Cummins Inc. | System und Verfahren zur Klopfreduzierung |
JP5996476B2 (ja) * | 2013-04-02 | 2016-09-21 | 愛三工業株式会社 | エンジンの排気還流装置 |
US9453481B2 (en) * | 2013-06-04 | 2016-09-27 | Ford Global Technologies, Llc | System and method for operating an engine |
JP2016003601A (ja) * | 2014-06-16 | 2016-01-12 | 日産自動車株式会社 | ディーゼルエンジンの制御装置 |
JP5826346B1 (ja) * | 2014-09-03 | 2015-12-02 | 三菱電機株式会社 | 内燃機関の制御装置 |
JP6881222B2 (ja) * | 2017-10-19 | 2021-06-02 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN111836956B (zh) * | 2018-03-12 | 2022-11-22 | 沃尔沃卡车集团 | 用于控制内燃发动机装置的方法 |
AT525555B1 (de) * | 2022-03-15 | 2023-05-15 | Avl List Gmbh | Verfahren zum betreiben einer brennkraftmaschine |
CN115492704B (zh) * | 2022-10-30 | 2024-04-23 | 赛力斯集团股份有限公司 | Egr*** |
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KR960003688B1 (ko) * | 1990-11-06 | 1996-03-21 | 마쯔다 가부시기가이샤 | 엔진의 배기가스 환류장치 |
JPH07133726A (ja) | 1993-11-10 | 1995-05-23 | Nippondenso Co Ltd | 内燃機関の吸気制御装置 |
JP3629879B2 (ja) | 1997-03-13 | 2005-03-16 | トヨタ自動車株式会社 | 圧縮点火式内燃機関 |
JP2000204984A (ja) | 1999-01-13 | 2000-07-25 | Nippon Soken Inc | 直噴ガソリンエンジンの内部egrシステム |
JP4004193B2 (ja) * | 1999-10-06 | 2007-11-07 | 日野自動車株式会社 | ターボ過給機付エンジンの排ガス再循環装置 |
JP2002070535A (ja) * | 2000-08-28 | 2002-03-08 | Mazda Motor Corp | ディーゼルエンジンの排気浄化装置 |
JP2003106137A (ja) * | 2001-09-27 | 2003-04-09 | Komatsu Ltd | 内燃機関の排気ガス浄化装置 |
AT7207U1 (de) * | 2002-10-22 | 2004-11-25 | Avl List Gmbh | Verfahren zum betreiben einer direkteinspritzenden diesel-brennkraftmaschine |
JP2004183581A (ja) * | 2002-12-04 | 2004-07-02 | Mitsubishi Motors Corp | 内燃機関の排気浄化装置 |
JP2005016369A (ja) * | 2003-06-25 | 2005-01-20 | Toyota Motor Corp | 内燃機関の制御装置 |
CN100338347C (zh) * | 2003-07-08 | 2007-09-19 | 日产自动车株式会社 | 用于内燃发动机的燃烧控制设备和燃烧控制方法 |
JP2005048678A (ja) * | 2003-07-30 | 2005-02-24 | Nissan Motor Co Ltd | 内燃機関の燃焼制御装置 |
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JP4400194B2 (ja) * | 2003-12-02 | 2010-01-20 | いすゞ自動車株式会社 | ディーゼルエンジンの排気浄化装置 |
JP2005220823A (ja) | 2004-02-05 | 2005-08-18 | Denso Corp | 筒内噴射式内燃機関の制御装置 |
JP2006152891A (ja) * | 2004-11-29 | 2006-06-15 | Denso Corp | 内燃機関の排気浄化装置 |
JP2006226205A (ja) | 2005-02-18 | 2006-08-31 | Nissan Motor Co Ltd | 内燃機関の制御装置 |
JP4305402B2 (ja) * | 2005-03-03 | 2009-07-29 | 株式会社デンソー | 内燃機関の排気浄化装置 |
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2007
- 2007-01-09 JP JP2007001706A patent/JP2008169712A/ja active Pending
- 2007-10-25 US US11/976,534 patent/US7597089B2/en not_active Expired - Fee Related
- 2007-10-30 KR KR1020070109441A patent/KR100909738B1/ko active IP Right Grant
- 2007-10-31 EP EP07119770.1A patent/EP1944497B1/en not_active Expired - Fee Related
- 2007-10-31 CN CN2007101679753A patent/CN101220776B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20080283028A1 (en) | 2008-11-20 |
CN101220776B (zh) | 2011-03-16 |
EP1944497B1 (en) | 2015-08-05 |
EP1944497A2 (en) | 2008-07-16 |
US7597089B2 (en) | 2009-10-06 |
CN101220776A (zh) | 2008-07-16 |
JP2008169712A (ja) | 2008-07-24 |
EP1944497A3 (en) | 2014-07-02 |
KR100909738B1 (ko) | 2009-07-29 |
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