JP2006316744A - 内燃機関の排気処理装置 - Google Patents
内燃機関の排気処理装置 Download PDFInfo
- Publication number
- JP2006316744A JP2006316744A JP2005141915A JP2005141915A JP2006316744A JP 2006316744 A JP2006316744 A JP 2006316744A JP 2005141915 A JP2005141915 A JP 2005141915A JP 2005141915 A JP2005141915 A JP 2005141915A JP 2006316744 A JP2006316744 A JP 2006316744A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- supply amount
- internal combustion
- combustion engine
- exhaust gas
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 46
- 239000000446 fuel Substances 0.000 claims abstract description 69
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 32
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 16
- 239000013618 particulate matter Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 abstract description 70
- 239000007924 injection Substances 0.000 abstract description 70
- 230000008929 regeneration Effects 0.000 abstract description 21
- 238000011069 regeneration method Methods 0.000 abstract description 21
- 101000852553 Homo sapiens THO complex subunit 3 Proteins 0.000 abstract description 10
- 102100036406 THO complex subunit 3 Human genes 0.000 abstract description 10
- 239000000243 solution Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 101000596743 Homo sapiens Testis-expressed protein 2 Proteins 0.000 description 3
- 102100035105 Testis-expressed protein 2 Human genes 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F02D41/14—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
- F02D41/1445—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 related to the exhaust flow
-
- 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
- F02D41/02—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
- F02D41/025—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 changing the composition of the exhaust gas, e.g. for exothermic reaction on 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
- 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
- F02D41/1446—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 exhaust temperatures
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【解決手段】内燃機関(エンジン)の運転状態、より具体的にはエンジン回転数NEと燃料噴射量Qに応じてポスト噴射の基本噴射量(未燃燃料の基本供給量)を算出し(ブロック62a)、酸化触媒装置の上流側の排気温度TEX1に応じて基本噴射(供給)量を補正し(ブロック62b1,62b2)、それら基本噴射(供給)量と補正噴射(供給)量とに基づいて最終ポスト噴射量(未燃燃料の供給量)を算出してポスト噴射を実行する(ブロック62c,62f)。
【選択図】図2
Description
Claims (3)
- 排気系に排気中の未燃成分を酸化・除去する酸化触媒装置と、前記酸化触媒装置の下流に排気中の微粒子物質を捕集するフィルタを備えると共に、未燃燃料を供給して前記フィルタを再生させるように構成された内燃機関の排気処理装置において、
a.前記内燃機関の運転状態に応じて前記未燃燃料の基本供給量を算出する基本供給量算出手段、
b.前記酸化触媒装置の上流側の排気温度に応じて前記基本供給量を補正する補正供給量を算出する補正供給量算出手段、
および
c.前記算出された基本供給量と補正供給量とに基づいて前記未燃燃料の供給量を算出し、前記算出された供給量に基づいて前記未燃燃料の供給を実行する未燃燃料供給実行手段、
を備えたことを特徴とする内燃機関の排気処理装置。 - さらに、
d.前記内燃機関から排出される排気流量に応じて前記補正供給量の補正値を算出する補正供給量補正値算出手段、
を備えたことを特徴とする請求項1記載の内燃機関の排気処理装置。 - 前記補正供給量補正値算出手段は、前記補正値を、前記排気流量が増加するにつれて増加するように算出することを特徴とする請求項2記載の内燃機関の排気処理装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141915A JP2006316744A (ja) | 2005-05-13 | 2005-05-13 | 内燃機関の排気処理装置 |
EP20060009584 EP1722088B1 (en) | 2005-05-13 | 2006-05-09 | Exhaust gas treatment system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141915A JP2006316744A (ja) | 2005-05-13 | 2005-05-13 | 内燃機関の排気処理装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006316744A true JP2006316744A (ja) | 2006-11-24 |
Family
ID=36741368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005141915A Pending JP2006316744A (ja) | 2005-05-13 | 2005-05-13 | 内燃機関の排気処理装置 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1722088B1 (ja) |
JP (1) | JP2006316744A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010018722A1 (ja) * | 2008-08-11 | 2010-02-18 | 日立建機株式会社 | 排気ガス浄化装置 |
JP2010185423A (ja) * | 2009-02-13 | 2010-08-26 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008079283A2 (en) | 2006-12-21 | 2008-07-03 | Cummins Inc. | Soot filter regeneration software, methods and systems |
FR2931876B1 (fr) * | 2008-05-27 | 2015-07-03 | Renault Sas | Dispositif et procede de regulation des phases de regeneration d'un filtre a particules pour moteur a combustion. |
GB2476959B (en) * | 2010-01-15 | 2016-03-09 | Gm Global Tech Operations Inc | Method for operating post injections of fuel in an internal combustion engine |
JP5660847B2 (ja) * | 2010-10-20 | 2015-01-28 | 三菱重工業株式会社 | ディーゼルエンジンの排気浄化装置 |
GB2511499A (en) * | 2013-03-04 | 2014-09-10 | Gm Global Tech Operations Inc | Method of controlling an exhaust gas temperature of an internal combustion engine |
FR3090737A1 (fr) * | 2018-12-21 | 2020-06-26 | Renault | Ligne d’échappement et procédé de pilotage associé |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222916A (ja) * | 1992-02-12 | 1993-08-31 | Nissan Motor Co Ltd | 排気フィルタの再生装置 |
JPH0913945A (ja) * | 1995-06-28 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | フィルタ再生装置の燃料制御方法 |
JP2004218497A (ja) * | 2003-01-14 | 2004-08-05 | Denso Corp | 内燃機関の排気浄化装置 |
JP2004293339A (ja) * | 2003-03-25 | 2004-10-21 | Mitsubishi Fuso Truck & Bus Corp | 排ガス浄化装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10066237B4 (de) * | 2000-07-07 | 2011-06-22 | Daimler AG, 70327 | Verfahren zur Regeneration eines Partikelfilters einer Kraftfahrzeug-Brennkraftmaschine |
DE10056016A1 (de) * | 2000-11-11 | 2002-05-16 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems |
JP3838339B2 (ja) * | 2001-03-27 | 2006-10-25 | 三菱ふそうトラック・バス株式会社 | 内燃機関の排気浄化装置 |
US6829890B2 (en) * | 2002-08-13 | 2004-12-14 | International Engine Intellectual Property Company, Llc | Forced regeneration of a diesel particulate filter |
JP2005090274A (ja) * | 2003-09-12 | 2005-04-07 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
-
2005
- 2005-05-13 JP JP2005141915A patent/JP2006316744A/ja active Pending
-
2006
- 2006-05-09 EP EP20060009584 patent/EP1722088B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222916A (ja) * | 1992-02-12 | 1993-08-31 | Nissan Motor Co Ltd | 排気フィルタの再生装置 |
JPH0913945A (ja) * | 1995-06-28 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | フィルタ再生装置の燃料制御方法 |
JP2004218497A (ja) * | 2003-01-14 | 2004-08-05 | Denso Corp | 内燃機関の排気浄化装置 |
JP2004293339A (ja) * | 2003-03-25 | 2004-10-21 | Mitsubishi Fuso Truck & Bus Corp | 排ガス浄化装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010018722A1 (ja) * | 2008-08-11 | 2010-02-18 | 日立建機株式会社 | 排気ガス浄化装置 |
JP2010043574A (ja) * | 2008-08-11 | 2010-02-25 | Hitachi Constr Mach Co Ltd | 排気ガス浄化装置 |
US8549847B2 (en) | 2008-08-11 | 2013-10-08 | Hitachi Construction Machinery Co., Ltd. | Exhaust gas purifying device |
JP2010185423A (ja) * | 2009-02-13 | 2010-08-26 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1722088A2 (en) | 2006-11-15 |
EP1722088A8 (en) | 2007-02-21 |
EP1722088A3 (en) | 2008-05-28 |
EP1722088B1 (en) | 2012-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1662101B1 (en) | Exhaust emission control device of internal combustion engine | |
EP1722088B1 (en) | Exhaust gas treatment system for internal combustion engine | |
JP2008031854A (ja) | 内燃機関の排ガス浄化装置 | |
JP5632223B2 (ja) | エンジン装置の排気ガス再循環システム | |
JP6332299B2 (ja) | 車両の制御装置 | |
JP4830870B2 (ja) | 内燃機関用制御装置 | |
JP4305402B2 (ja) | 内燃機関の排気浄化装置 | |
JP4319672B2 (ja) | 内燃機関の排気浄化装置 | |
JP2006316743A (ja) | 内燃機関の排気処理装置 | |
JP4012043B2 (ja) | パティキュレートフィルタの再生方法 | |
US8387364B2 (en) | Exhaust gas purifying apparatus for internal combustion engine | |
JP2012197681A (ja) | エンジン装置の排気ガス再循環システム | |
JP4660430B2 (ja) | 内燃機関のdpf再生装置 | |
JP4464899B2 (ja) | 内燃機関の出力制御装置 | |
JP5678484B2 (ja) | 排気管噴射制御装置 | |
JP2010169032A (ja) | エンジンの制御装置 | |
JP5247555B2 (ja) | エンジン制御装置 | |
JP4660446B2 (ja) | 内燃機関の排気浄化装置 | |
JP4107017B2 (ja) | エンジン制御装置 | |
JP5796277B2 (ja) | 排気ガス浄化システム | |
JP5796278B2 (ja) | 排気ガス浄化システム | |
JP5544758B2 (ja) | ディーゼル機関の制御システム | |
JP2005163652A (ja) | 排気浄化装置 | |
JP2006214312A (ja) | 排気浄化装置 | |
JP2006214311A (ja) | 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: 20071129 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100324 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100420 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100608 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101116 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110419 |