JP2009221885A - 内燃機関の運転制御方法 - Google Patents
内燃機関の運転制御方法 Download PDFInfo
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- JP2009221885A JP2009221885A JP2008064786A JP2008064786A JP2009221885A JP 2009221885 A JP2009221885 A JP 2009221885A JP 2008064786 A JP2008064786 A JP 2008064786A JP 2008064786 A JP2008064786 A JP 2008064786A JP 2009221885 A JP2009221885 A JP 2009221885A
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- Prior art keywords
- air
- fuel ratio
- lean
- injection amount
- internal combustion
- 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.)
- Granted
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 12
- 239000000446 fuel Substances 0.000 claims abstract description 109
- 238000002347 injection Methods 0.000 claims abstract description 85
- 239000007924 injection Substances 0.000 claims abstract description 85
- 230000006978 adaptation Effects 0.000 abstract description 12
- 230000004913 activation Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 abstract 1
- 230000003044 adaptive effect Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
【解決手段】内燃機関の始動後において、空燃比がリッチである状態で内燃機関の運転を確実に継続し得る限界適合噴射量を設定し、限界適合噴射量よりも少ない燃料噴射量で運転する場合のリーン適合噴射量を設定し、内燃機関の始動後はリーン適合噴射量によりリーン適合運転を継続し、リーン適合運転の開始から所定時間経過するまでに空燃比のリッチを検出しない場合には限界適合噴射量に切り替えて空燃比フィードバック制御を開始する。
【選択図】図2
Description
14…中央演算装置
15…記憶装置
16…入力インターフェース
17…出力インターフェース
Claims (2)
- 内燃機関の始動後において、空燃比がリッチである状態で内燃機関の運転を確実に継続し得る限界適合噴射量を設定し、
限界適合噴射量よりも少ない燃料噴射量で運転する場合のリーン適合噴射量を設定し、
内燃機関の始動後はリーン適合噴射量によりリーン適合運転を継続し、
リーン適合運転の開始から所定時間経過するまでに空燃比のリッチを検出しない場合には限界適合噴射量に切り替えて空燃比フィードバック制御を開始する内燃機関の運転制御方法。 - 所定時間は、内燃機関の温度が高いほど短い時間に設定される請求項1記載の内燃機関の運転制御方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008064786A JP5164619B2 (ja) | 2008-03-13 | 2008-03-13 | 内燃機関の運転制御方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008064786A JP5164619B2 (ja) | 2008-03-13 | 2008-03-13 | 内燃機関の運転制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009221885A true JP2009221885A (ja) | 2009-10-01 |
JP5164619B2 JP5164619B2 (ja) | 2013-03-21 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2008064786A Active JP5164619B2 (ja) | 2008-03-13 | 2008-03-13 | 内燃機関の運転制御方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5164619B2 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771324A (ja) * | 1993-08-31 | 1995-03-14 | Yamaha Motor Co Ltd | ガス燃料エンジンの混合気形成装置 |
JPH0815215A (ja) * | 1994-06-28 | 1996-01-19 | Nippondenso Co Ltd | 酸素濃度判定装置 |
JP2000240485A (ja) * | 1999-02-19 | 2000-09-05 | Mitsubishi Motors Corp | 筒内噴射型内燃機関 |
JP2002070634A (ja) * | 2000-08-29 | 2002-03-08 | Mitsubishi Automob Eng Co Ltd | 希薄燃焼エンジンの制御装置 |
JP2003206788A (ja) * | 2002-01-11 | 2003-07-25 | Nissan Motor Co Ltd | 内燃機関の排気浄化装置 |
JP2005273459A (ja) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | エンジンの空燃比制御装置 |
JP2007262919A (ja) * | 2006-03-27 | 2007-10-11 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
JP2008019792A (ja) * | 2006-07-13 | 2008-01-31 | Denso Corp | 内燃機関の触媒早期暖機制御装置 |
-
2008
- 2008-03-13 JP JP2008064786A patent/JP5164619B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771324A (ja) * | 1993-08-31 | 1995-03-14 | Yamaha Motor Co Ltd | ガス燃料エンジンの混合気形成装置 |
JPH0815215A (ja) * | 1994-06-28 | 1996-01-19 | Nippondenso Co Ltd | 酸素濃度判定装置 |
JP2000240485A (ja) * | 1999-02-19 | 2000-09-05 | Mitsubishi Motors Corp | 筒内噴射型内燃機関 |
JP2002070634A (ja) * | 2000-08-29 | 2002-03-08 | Mitsubishi Automob Eng Co Ltd | 希薄燃焼エンジンの制御装置 |
JP2003206788A (ja) * | 2002-01-11 | 2003-07-25 | Nissan Motor Co Ltd | 内燃機関の排気浄化装置 |
JP2005273459A (ja) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | エンジンの空燃比制御装置 |
JP2007262919A (ja) * | 2006-03-27 | 2007-10-11 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
JP2008019792A (ja) * | 2006-07-13 | 2008-01-31 | Denso Corp | 内燃機関の触媒早期暖機制御装置 |
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JP5164619B2 (ja) | 2013-03-21 |
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