JP4281647B2 - 筒内直接噴射式火花点火内燃機関の制御装置 - Google Patents
筒内直接噴射式火花点火内燃機関の制御装置 Download PDFInfo
- Publication number
- JP4281647B2 JP4281647B2 JP2004226240A JP2004226240A JP4281647B2 JP 4281647 B2 JP4281647 B2 JP 4281647B2 JP 2004226240 A JP2004226240 A JP 2004226240A JP 2004226240 A JP2004226240 A JP 2004226240A JP 4281647 B2 JP4281647 B2 JP 4281647B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- dead center
- injection
- top dead
- fuel pressure
- 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
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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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
5…燃焼室
10…点火プラグ
15…燃料噴射弁
Claims (1)
- 筒内に直接燃料を噴射する燃料噴射弁および点火プラグを備えるとともに、上記燃料噴射弁へ供給される燃圧を可変制御する燃圧可変手段を備え、圧縮行程中に燃料を噴射するとともに圧縮上死点前に点火を行うことで成層希薄燃焼を実現し、この成層希薄燃焼での燃圧は負荷が大きいほど高く制御される筒内直接噴射式火花点火内燃機関の制御装置において、
排気ガス温度の昇温が要求されたときに、上死点噴射運転モードとして、燃料噴射を、噴射開始時期が圧縮上死点前で噴射終了時期が圧縮上死点後となるように圧縮上死点を跨ぐ期間に行い、かつ、上記噴射開始時期から遅れた圧縮上死点後に点火を行うとともに、上記燃圧を、上記の成層希薄燃焼時よりも高く補正するように構成され、
上死点噴射運転モードにおける燃圧は、負荷が大きいほど高く、かつ上死点噴射運転モードにおける燃圧と成層希薄燃焼時の同負荷での燃圧との差が、負荷が大きいほど拡大することを特徴とする筒内直接噴射式火花点火内燃機関の制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004226240A JP4281647B2 (ja) | 2004-08-03 | 2004-08-03 | 筒内直接噴射式火花点火内燃機関の制御装置 |
EP05016245A EP1621748A1 (en) | 2004-07-26 | 2005-07-26 | Combustion control apparatus for direct-injection spark-ignition internal combusion engine |
US11/189,058 US7194999B2 (en) | 2004-07-26 | 2005-07-26 | Combustion control apparatus for direct-injection spark-ignition internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004226240A JP4281647B2 (ja) | 2004-08-03 | 2004-08-03 | 筒内直接噴射式火花点火内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006046128A JP2006046128A (ja) | 2006-02-16 |
JP4281647B2 true JP4281647B2 (ja) | 2009-06-17 |
Family
ID=36025012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004226240A Expired - Fee Related JP4281647B2 (ja) | 2004-07-26 | 2004-08-03 | 筒内直接噴射式火花点火内燃機関の制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4281647B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5561226B2 (ja) * | 2011-03-30 | 2014-07-30 | マツダ株式会社 | 火花点火式ガソリンエンジンの制御装置 |
JP2012215097A (ja) * | 2011-03-31 | 2012-11-08 | Mazda Motor Corp | 火花点火式エンジンの高圧燃料ポンプ構造およびエンジンの制御装置 |
JP5549633B2 (ja) * | 2011-03-31 | 2014-07-16 | マツダ株式会社 | 火花点火式エンジンの制御装置 |
JP5326031B2 (ja) * | 2012-09-10 | 2013-10-30 | 日立オートモティブシステムズ株式会社 | 内燃機関の点火時期制御装置 |
-
2004
- 2004-08-03 JP JP2004226240A patent/JP4281647B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2006046128A (ja) | 2006-02-16 |
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