JP4254652B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
- Publication number
- JP4254652B2 JP4254652B2 JP2004232234A JP2004232234A JP4254652B2 JP 4254652 B2 JP4254652 B2 JP 4254652B2 JP 2004232234 A JP2004232234 A JP 2004232234A JP 2004232234 A JP2004232234 A JP 2004232234A JP 4254652 B2 JP4254652 B2 JP 4254652B2
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- JP
- Japan
- Prior art keywords
- fuel
- fuel cut
- air
- amount
- fuel ratio
- 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.)
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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
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- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
q=Gi/AF−Gi/14.6
ここで、Giは各時刻の吸入空気量であり、AFは各時刻の排気ガスのリッチ化空燃比である。
2 上流側空燃比センサ
3 下流側空燃比センサ
Claims (2)
- 三元触媒装置の現在のO2ストレージ能力を推定する推定手段と、前記推定手段により推定された現在のO2ストレージ能力に応じてフューエルカット時の吸気量を制御する吸気量制御手段とを具備し、前記吸気量制御手段は、前記推定手段により推定された現在のO 2 ストレージ能力が高いほどフューエルカット時の吸気量を減少させることを特徴とする内燃機関の制御装置。
- フューエルカット時間が設定時間以上であった場合に、前記推定手段により推定された現在のO 2 ストレージ能力に応じてフューエルカット完了直後における排気ガス空燃比のリッチ化程度を制御するリッチ化制御手段をさらに具備し、前記リッチ化制御手段は、前記推定手段により推定された現在のO 2 ストレージ能力が高いほどフューエルカット完了直後における排気ガス空燃比を大幅にリッチ化させることを特徴とする請求項1に記載の内燃機関の制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004232234A JP4254652B2 (ja) | 2004-08-09 | 2004-08-09 | 内燃機関の制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004232234A JP4254652B2 (ja) | 2004-08-09 | 2004-08-09 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006046291A JP2006046291A (ja) | 2006-02-16 |
JP4254652B2 true JP4254652B2 (ja) | 2009-04-15 |
Family
ID=36025147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004232234A Expired - Fee Related JP4254652B2 (ja) | 2004-08-09 | 2004-08-09 | 内燃機関の制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4254652B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4254819B2 (ja) | 2006-07-25 | 2009-04-15 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
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2004
- 2004-08-09 JP JP2004232234A patent/JP4254652B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2006046291A (ja) | 2006-02-16 |
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