JP4196872B2 - エンジンの排気浄化装置 - Google Patents
エンジンの排気浄化装置 Download PDFInfo
- Publication number
- JP4196872B2 JP4196872B2 JP2004115815A JP2004115815A JP4196872B2 JP 4196872 B2 JP4196872 B2 JP 4196872B2 JP 2004115815 A JP2004115815 A JP 2004115815A JP 2004115815 A JP2004115815 A JP 2004115815A JP 4196872 B2 JP4196872 B2 JP 4196872B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- catalyst
- egr
- fuel
- injector
- 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
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- 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
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
-
- 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
-
- 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
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- 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
-
- 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
- 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
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
- F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
2 インジェクタ
3 吸気通路
4 吸気絞り弁
7 EGR通路
8 EGR弁
10 排気通路
B 触媒担持フィルタ
20 制御手段としてのECU
Claims (3)
- エンジンの排気通路に設けられ、排気ガス中の粒子状物質を捕集するフィルタと、
該フィルタの上流側及び/又は該フィルタの表面に設けられ、燃料の未燃成分が供給されたとき昇温して上記フィルタに捕集された粒子状物質を燃焼して上記フィルタを再生するための触媒と、
エンジンの吸気側と排気側とを連通するEGR通路に設けられたEGR弁と、
シリンダ内に燃料を噴射するインジェクタと、
該インジェクタ及び上記EGR弁を制御する制御手段とを有し、
該制御手段は、
上記フィルタを再生する場合、
上記インジェクタからの燃料噴射が実行されているとき、その燃料噴射を制御して燃料の未燃成分を上記触媒に供給すると共に上記EGR弁を閉じ、上記インジェクタからの燃料噴射が実行されない状態となったときには、上記EGR弁を開くものである
ことを特徴とするエンジンの排気浄化装置。 - 上記EGR通路には、上記EGR弁よりもEGRガスの流れの上流側に、EGRクーラが設けられた請求項1に記載のエンジンの排気浄化装置。
- エンジンの吸気通路に設けられた吸気絞り弁と、
エンジンの排気通路に設けられ、排気ガス中の粒子状物質を捕集するフィルタと、
該フィルタの上流側及び/又は該フィルタの表面に設けられ、燃料の未燃成分が供給されたとき昇温して上記フィルタに捕集された粒子状物質を燃焼して上記フィルタを再生するための触媒と、
エンジンの吸気側と排気側とを連通するEGR通路に設けられたEGR弁と、
シリンダ内に燃料を噴射するインジェクタと、
該インジェクタ、上記EGR弁及び吸気絞り弁を制御する制御手段とを有し、
該制御手段は、
上記フィルタを再生する場合、
上記インジェクタからの燃料噴射が実行されているとき、その燃料噴射を制御して燃料の未燃成分を上記触媒に供給すると共に上記EGR弁を閉じ、上記インジェクタからの燃料噴射が実行されない状態となったときには、上記吸気絞り弁を閉制御し、上記EGR弁を開制御するものである
ことを特徴とするエンジンの排気浄化装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004115815A JP4196872B2 (ja) | 2004-04-09 | 2004-04-09 | エンジンの排気浄化装置 |
EP20050007097 EP1584805B1 (en) | 2004-04-09 | 2005-03-31 | Engine exhaust gas purification device |
CN2008101821768A CN101408120B (zh) | 2004-04-09 | 2005-03-31 | 发动机排气净化装置 |
CNB2005100600783A CN100572769C (zh) | 2004-04-09 | 2005-03-31 | 发动机排气净化装置 |
US11/099,029 US7716920B2 (en) | 2004-04-09 | 2005-04-05 | Engine exhaust gas purification device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004115815A JP4196872B2 (ja) | 2004-04-09 | 2004-04-09 | エンジンの排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005299480A JP2005299480A (ja) | 2005-10-27 |
JP4196872B2 true JP4196872B2 (ja) | 2008-12-17 |
Family
ID=34909551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004115815A Expired - Fee Related JP4196872B2 (ja) | 2004-04-09 | 2004-04-09 | エンジンの排気浄化装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7716920B2 (ja) |
EP (1) | EP1584805B1 (ja) |
JP (1) | JP4196872B2 (ja) |
CN (2) | CN101408120B (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3821154B1 (ja) * | 2005-03-16 | 2006-09-13 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
JP4463144B2 (ja) * | 2005-05-13 | 2010-05-12 | 本田技研工業株式会社 | 内燃機関の排ガス浄化装置 |
JP3988776B2 (ja) * | 2005-07-15 | 2007-10-10 | いすゞ自動車株式会社 | 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 |
JP4415963B2 (ja) * | 2006-03-17 | 2010-02-17 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
FR2910058B1 (fr) * | 2006-12-14 | 2011-03-04 | Renault Sas | Procede de limitation de bruit d'admission d'air produit a la fin de la regeneration du systeme de post-traitement des gaz d'echappement |
JP2008196445A (ja) * | 2007-02-15 | 2008-08-28 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2009138704A (ja) * | 2007-12-10 | 2009-06-25 | Mitsubishi Fuso Truck & Bus Corp | 排気後処理装置 |
JP5024066B2 (ja) | 2008-01-16 | 2012-09-12 | 株式会社デンソー | 内燃機関の排気浄化装置 |
JP4277933B1 (ja) * | 2008-06-11 | 2009-06-10 | トヨタ自動車株式会社 | 内燃機関装置およびその制御方法並びに車両 |
KR101405752B1 (ko) * | 2008-07-22 | 2014-06-10 | 현대자동차주식회사 | 배기가스 재순환장치의 크리닝장치 |
JP2010144625A (ja) * | 2008-12-18 | 2010-07-01 | Mazda Motor Corp | エンジンの排気浄化装置 |
JP4852127B2 (ja) * | 2009-06-25 | 2012-01-11 | 日立建機株式会社 | 作業機械 |
GB2472816B (en) | 2009-08-19 | 2013-10-16 | Gm Global Tech Operations Inc | Method for regenerating a diesel particulate filter |
JP5523028B2 (ja) * | 2009-09-04 | 2014-06-18 | 日立建機株式会社 | 油圧作業機械の油圧駆動装置 |
CN102884287B (zh) * | 2010-05-07 | 2015-04-01 | 洋马株式会社 | 排气气体净化*** |
JP5464059B2 (ja) * | 2010-06-04 | 2014-04-09 | マツダ株式会社 | エンジンの制御方法及び制御装置 |
DE102011006920A1 (de) * | 2011-04-07 | 2012-10-11 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung der Regeneration eines Partikelfilters |
FR2977004A1 (fr) * | 2011-06-27 | 2012-12-28 | Cmi Thermline Services | Dispositif et procede de gestion d'imbrules pour bruleurs regeneratifs, bruleur comportant un tel dispositif |
US20130160432A1 (en) * | 2011-09-28 | 2013-06-27 | International Engine Intellectual Property Company Llc | Limiting nox emissions |
US20130086887A1 (en) * | 2011-10-07 | 2013-04-11 | Nathaniel D. Bergland | Method For Reducing The Rate Of Exhaust Heat Loss |
JP5869387B2 (ja) * | 2012-03-19 | 2016-02-24 | 本田技研工業株式会社 | 内燃機関の制御装置 |
GB2504359B (en) * | 2012-07-27 | 2016-01-06 | Perkins Engines Co Ltd | Method of controlling operation of an engine having both an exhaust fluid recirculation apparatus and an exhaust fluid treatment apparatus |
JP6597667B2 (ja) * | 2017-02-21 | 2019-10-30 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN107762653B (zh) * | 2017-10-10 | 2020-03-17 | 中国第一汽车股份有限公司 | 柴油机氧化催化器温度控制*** |
JP7159876B2 (ja) * | 2019-01-08 | 2022-10-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US10920695B1 (en) * | 2019-09-05 | 2021-02-16 | Ford Global Technologies, Llc | Methods and systems for regeneration of an exhaust aftertreatment device |
JP7264111B2 (ja) * | 2020-05-19 | 2023-04-25 | トヨタ自動車株式会社 | 排気浄化装置 |
US11840980B1 (en) * | 2022-08-04 | 2023-12-12 | International Engine Intellectual Property Company, Llc | Systems and methods for selective hydrocarbon injection |
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-
2004
- 2004-04-09 JP JP2004115815A patent/JP4196872B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-31 CN CN2008101821768A patent/CN101408120B/zh not_active Expired - Fee Related
- 2005-03-31 EP EP20050007097 patent/EP1584805B1/en not_active Expired - Fee Related
- 2005-03-31 CN CNB2005100600783A patent/CN100572769C/zh not_active Expired - Fee Related
- 2005-04-05 US US11/099,029 patent/US7716920B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1680690A (zh) | 2005-10-12 |
EP1584805A3 (en) | 2006-12-06 |
CN100572769C (zh) | 2009-12-23 |
US7716920B2 (en) | 2010-05-18 |
JP2005299480A (ja) | 2005-10-27 |
CN101408120A (zh) | 2009-04-15 |
CN101408120B (zh) | 2012-06-13 |
US20050223697A1 (en) | 2005-10-13 |
EP1584805B1 (en) | 2015-05-06 |
EP1584805A2 (en) | 2005-10-12 |
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