JP4055670B2 - 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
- JP4055670B2 JP4055670B2 JP2003282954A JP2003282954A JP4055670B2 JP 4055670 B2 JP4055670 B2 JP 4055670B2 JP 2003282954 A JP2003282954 A JP 2003282954A JP 2003282954 A JP2003282954 A JP 2003282954A JP 4055670 B2 JP4055670 B2 JP 4055670B2
- Authority
- JP
- Japan
- Prior art keywords
- engine
- injection timing
- intake
- amount
- rich spike
- 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
- F02D41/0275—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 NOx trap or adsorbent
-
- 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
-
- 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
- F02D41/401—Controlling injection timing
-
- 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
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- 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
Description
2 コモンレール
3 燃料噴射弁
4 ターボ過給器
5 吸気通路
6 排気通路
7 エアフローメータ
8 吸気絞り弁
9 EGR通路
10 EGR弁
11 酸化触媒
12 NOxトラップ触媒
13 DPF(排気微粒子フィルタ)
14 回転速度センサ
15 アクセル開度センサ
16 水温センサ
17 レール圧センサ
18 圧力センサ
20 コントロールユニット
21,22,23 温度センサ
Claims (4)
- ディーゼルエンジンの排気通路に介装されるNOxトラップ触媒と、
前記エンジンの吸気通路に介装される吸気絞り弁と、
排気の空気過剰率を減じることにより前記NOxトラップ触媒に堆積したNOxを脱離させるリッチスパイク制御手段と、
を備え、
前記リッチスパイク制御手段は、該リッチスパイク制御時に前記吸気絞り弁の開度を減じるように構成されている排気浄化装置において、
シリンダ吸入ガス量の代表値として、吸気絞り弁全開時の吸入ガス量と、リッチスパイク時の吸入ガス量との比を演算するブースト検出手段と、
エンジン運転状態に基づいて燃料噴射時期を演算する燃料噴射時期演算手段と、
前記リッチスパイク制御時に前記ブーストを用いて前記燃料噴射時期を補正する噴射時期補正手段と、
を備えたことを特徴とするエンジンの排気浄化装置。 - 前記吸入ガス量は、新気とEGRガスの総量である請求項1に記載のエンジンの排気浄化装置。
- 前記噴射時期補正手段は、噴射時期補正量を吸気管負圧とエンジン回転速度とに応じて記憶させたマップを検索して噴射時期補正量を決定するように構成されている請求項1に記載のエンジンの排気浄化装置。
- 前記燃料噴射時期演算手段は、エンジン運転状態として、燃料噴射量とエンジン回転速度とを検出する請求項1に記載のエンジンの排気浄化装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003282954A JP4055670B2 (ja) | 2003-07-30 | 2003-07-30 | エンジンの排気浄化装置 |
US10/883,762 US6981369B2 (en) | 2003-07-30 | 2004-07-06 | Exhaust gas cleaning apparatus |
EP04016591.2A EP1503065B1 (en) | 2003-07-30 | 2004-07-14 | Exhaust gas cleaning apparatus |
CNB2004100587784A CN100360781C (zh) | 2003-07-30 | 2004-07-30 | 废气清除设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003282954A JP4055670B2 (ja) | 2003-07-30 | 2003-07-30 | エンジンの排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005048700A JP2005048700A (ja) | 2005-02-24 |
JP4055670B2 true JP4055670B2 (ja) | 2008-03-05 |
Family
ID=33535686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003282954A Expired - Fee Related JP4055670B2 (ja) | 2003-07-30 | 2003-07-30 | エンジンの排気浄化装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6981369B2 (ja) |
EP (1) | EP1503065B1 (ja) |
JP (1) | JP4055670B2 (ja) |
CN (1) | CN100360781C (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100559423B1 (ko) * | 2003-11-07 | 2006-03-10 | 현대자동차주식회사 | 연료 분사시기 제어 방법 및 시스템 |
WO2006001495A1 (ja) * | 2004-06-25 | 2006-01-05 | Toyota Jidosha Kabushiki Kaisha | 内燃機関の排気浄化装置 |
EP1767763A4 (en) * | 2004-07-12 | 2018-02-14 | Yanmar Co., Ltd. | Fuel control method for multi-cylinder engine, fuel injection amount control method for engine and engine operating state discrimination method using the said method, propelling device for multiple engines, and fuel injection control method at crush astern in engine with speed reducing and reversing |
JP3901194B2 (ja) * | 2005-04-21 | 2007-04-04 | 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 |
US7886524B2 (en) * | 2005-10-24 | 2011-02-15 | Ford Global Technologies, Llc | Method for controlling an internal combustion engine during regeneration of an emission after-treatment device |
US7963832B2 (en) * | 2006-02-22 | 2011-06-21 | Cummins Inc. | Engine intake air temperature management system |
US7426922B2 (en) * | 2006-07-26 | 2008-09-23 | Mazda Motor Corporation | Engine exhaust gas purifier |
US7253618B1 (en) * | 2006-12-19 | 2007-08-07 | Schlumberger Technology Corporation | Method for determining more accurate diffusion coefficient distributions of reservoir fluids using Bi-polar pulsed field gradients |
JP4756382B2 (ja) * | 2007-02-19 | 2011-08-24 | 株式会社デンソー | 排気浄化システムの劣化判定装置 |
JP4893553B2 (ja) * | 2007-09-25 | 2012-03-07 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US8302402B2 (en) * | 2008-01-10 | 2012-11-06 | Caterpillar Inc. | Air induction system with recirculation loop |
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 |
DE102008042108A1 (de) * | 2008-09-15 | 2010-03-18 | Robert Bosch Gmbh | Vorrichtung zur Eindosierung von Kraftstoff |
DE102009023045B4 (de) * | 2009-05-28 | 2019-09-12 | Man Energy Solutions Se | Verfahren zum Betreiben einer Otto-Brennkraftmaschine |
DE102009029257B3 (de) * | 2009-09-08 | 2010-10-28 | Ford Global Technologies, LLC, Dearborn | Identifikation einer Luft- und/oder Kraftstoffdosierungsabweichung |
US8464514B2 (en) * | 2009-09-29 | 2013-06-18 | Ford Global Technologies, Llc | Method for regenerating a particulate filter for a boosted direct injection engine |
GB2485777A (en) * | 2010-11-23 | 2012-05-30 | Gm Global Tech Operations Inc | Method and apparatus for operating a lean NOx trap |
WO2014013953A1 (ja) * | 2012-07-17 | 2014-01-23 | 日産自動車株式会社 | ディーゼルエンジンの制御装置及び制御方法 |
JP5951388B2 (ja) * | 2012-07-24 | 2016-07-13 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御装置 |
JP5932052B2 (ja) * | 2012-10-30 | 2016-06-08 | 三菱重工業株式会社 | 内燃機関の制御装置及びその制御方法 |
US10323589B2 (en) | 2013-12-20 | 2019-06-18 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas control apparatus for internal combustion engine |
JP6024834B2 (ja) | 2013-12-20 | 2016-11-16 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2016108972A (ja) * | 2014-12-02 | 2016-06-20 | 三菱自動車工業株式会社 | 内燃機関の燃焼制御装置 |
JP6020690B2 (ja) * | 2015-02-17 | 2016-11-02 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6686684B2 (ja) * | 2016-05-11 | 2020-04-22 | いすゞ自動車株式会社 | 排ガス浄化システム |
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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2912474B2 (ja) | 1991-07-18 | 1999-06-28 | ダイハツ工業株式会社 | 内燃機関の空燃比制御方法 |
JP3569120B2 (ja) | 1997-12-25 | 2004-09-22 | トヨタ自動車株式会社 | 希薄燃焼内燃機関の燃焼制御装置 |
JP3815100B2 (ja) * | 1998-02-20 | 2006-08-30 | マツダ株式会社 | エンジンの制御装置 |
US6289672B1 (en) * | 1998-07-21 | 2001-09-18 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an internal combustion engine |
DE19939053A1 (de) * | 1999-08-18 | 2001-02-22 | Volkswagen Ag | Verfahren zur Regelung eines Verbrennungsvorgangs in einer Verbrennungskraftmaschine während einer Regeneration eines Speicherkatalysators |
DE19939989C1 (de) | 1999-08-24 | 2000-10-05 | Daimler Chrysler Ag | Motorregelsystem für einen Dieselmotor |
DE19957200A1 (de) | 1999-11-27 | 2001-05-31 | Volkswagen Ag | Verfahren und Vorrichtung zur Regelung eines Drehmomentes von Dieselmotoren |
US6519933B2 (en) * | 2000-03-21 | 2003-02-18 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine having variable valve control system and NOx catalyst |
JP3864754B2 (ja) | 2001-10-25 | 2007-01-10 | 日産自動車株式会社 | 内燃機関の制御装置 |
JP3788350B2 (ja) * | 2002-01-07 | 2006-06-21 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
JP2004162694A (ja) * | 2002-09-20 | 2004-06-10 | Mazda Motor Corp | エンジンの排気浄化装置 |
-
2003
- 2003-07-30 JP JP2003282954A patent/JP4055670B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-06 US US10/883,762 patent/US6981369B2/en active Active
- 2004-07-14 EP EP04016591.2A patent/EP1503065B1/en not_active Expired - Fee Related
- 2004-07-30 CN CNB2004100587784A patent/CN100360781C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6981369B2 (en) | 2006-01-03 |
JP2005048700A (ja) | 2005-02-24 |
CN100360781C (zh) | 2008-01-09 |
EP1503065A3 (en) | 2005-07-06 |
EP1503065B1 (en) | 2016-11-09 |
EP1503065A2 (en) | 2005-02-02 |
US20050022503A1 (en) | 2005-02-03 |
CN1584312A (zh) | 2005-02-23 |
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