JP4172382B2 - 内燃機関の燃料噴射制御装置 - Google Patents
内燃機関の燃料噴射制御装置 Download PDFInfo
- Publication number
- JP4172382B2 JP4172382B2 JP2003395740A JP2003395740A JP4172382B2 JP 4172382 B2 JP4172382 B2 JP 4172382B2 JP 2003395740 A JP2003395740 A JP 2003395740A JP 2003395740 A JP2003395740 A JP 2003395740A JP 4172382 B2 JP4172382 B2 JP 4172382B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- auxiliary fuel
- injected
- internal combustion
- combustion engine
- 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
-
- 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
-
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
また、2番目の発明によれば1番目の発明において、前記補助燃料の一部又は全部を吸気上死点前に噴射するようにしている。
3…コモンレール
14…触媒コンバータ
16…燃料噴射弁
53…ピストン
54…凹溝
Qm…主燃料
Qv…補助燃料
ALW…噴射許容範囲
PRH…噴射禁止範囲
Claims (3)
- 筒内に燃料を直接噴射する燃料噴射弁を具備し、機関排気通路内に配置された触媒を昇温するために圧縮上死点付近において主燃料を噴射すると共に吸気上死点付近において補助燃料を追加的に噴射するようにした内燃機関の燃料噴射制御装置において、前記補助燃料を吸気上死点付近において複数回に分けて噴射するようにした内燃機関の燃料噴射制御装置。
- 前記補助燃料の一部又は全部を吸気上死点前に噴射するようにした請求項1に記載の内燃機関の燃料噴射制御装置。
- 前記内燃機関が多気筒内燃機関から構成されると共に各気筒の燃料噴射弁に共通の燃料蓄圧室が接続されており、他の気筒の噴射時期と重ならないように、かつ補助燃料がピストン頂面に形成される凹溝内に噴射されるように、補助燃料の各噴射時期を設定した請求項1又は2に記載の内燃機関の燃料噴射制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395740A JP4172382B2 (ja) | 2003-11-26 | 2003-11-26 | 内燃機関の燃料噴射制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395740A JP4172382B2 (ja) | 2003-11-26 | 2003-11-26 | 内燃機関の燃料噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005155472A JP2005155472A (ja) | 2005-06-16 |
JP4172382B2 true JP4172382B2 (ja) | 2008-10-29 |
Family
ID=34721429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003395740A Expired - Fee Related JP4172382B2 (ja) | 2003-11-26 | 2003-11-26 | 内燃機関の燃料噴射制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4172382B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5414184B2 (ja) * | 2008-01-25 | 2014-02-12 | ボッシュ株式会社 | 内燃機関の燃料噴射装置の制御方法及び制御装置 |
JP2010121591A (ja) * | 2008-11-21 | 2010-06-03 | Toyota Motor Corp | 多種燃料内燃機関 |
-
2003
- 2003-11-26 JP JP2003395740A patent/JP4172382B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005155472A (ja) | 2005-06-16 |
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