JP4265475B2 - 予混合圧縮着火内燃機関の制御装置 - Google Patents
予混合圧縮着火内燃機関の制御装置 Download PDFInfo
- Publication number
- JP4265475B2 JP4265475B2 JP2004142474A JP2004142474A JP4265475B2 JP 4265475 B2 JP4265475 B2 JP 4265475B2 JP 2004142474 A JP2004142474 A JP 2004142474A JP 2004142474 A JP2004142474 A JP 2004142474A JP 4265475 B2 JP4265475 B2 JP 4265475B2
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- JP
- Japan
- Prior art keywords
- oil
- cylinder
- temperature
- engine
- switching
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/25—Layout, e.g. schematics with coolers having bypasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- 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
Description
5 燃焼室
6 ピストン
20 EGR通路
25 オイルジェット
40 冷却EGR通路
Claims (3)
- ピストンにエンジンオイルを噴射するオイルジェットと、機関状態に基づいて前記オイルジェットからエンジンオイルを噴射するか否かを切り替える切替手段と、を備え、
機関状態に基づいて前記切替手段によりオイルジェットからエンジンオイルを噴射するように切り替える予混合圧縮着火内燃機関の制御装置において、さらに筒内の温度を制御する筒内温度制御手段を備え、
前記切替手段による切り替えが行われた後の所定時間の間は前記筒内温度制御手段により筒内の温度を制御し、
前記切替手段は機関の負荷が高いときにオイルジェットからエンジンオイルを噴射するように切り替える切替手段で、前記切替手段による切替が行われる前の運転状態の経過時間が切替前所定時間より長く、かつ前記切替手段による切替が行われた後の運転状態の経過時間が切替後所定時間より短いときは前記筒内温度制御手段により筒内の温度を制御し、
前記オイルジェットからエンジンオイルを噴射する状態の後に、エンジンオイルを噴射しない状態に切り替えられたとき、オイルジェットからエンジンオイルを噴射する状態の継続時間が第2の切替前所定時間より長く、かつオイルジェットからエンジンオイルを噴射しない状態の継続時間が第2の切替後所定時間より短いときに前記筒内温度制御手段により筒内の温度を上昇させることを特徴とする予混合圧縮着火内燃機関の制御装置。 - 前記予混合圧縮着火内燃機関は、さらにEGR通路と、機関運転状態に基づいて前記EGR通路を流れるEGRガス量を制御するEGRガス量制御手段と、を有し、前記筒内温度制御手段は前記EGRガス量制御手段により筒内に供給されるEGRガス量を増量することで筒内の温度を低下させ、筒内に供給されるEGRガス量を減量することで筒内の温度を上昇させることを特徴とする請求項1に記載の予混合圧縮着火内燃機関の制御装置。
- 前記予混合圧縮着火内燃機関は、さらに第1EGR通路と、EGRクーラが設けられた第2EGR通路と、機関運転状態に基づいて前記第1EGR通路と前記第2EGR通路とに流れるEGRガス量の割合を制御するEGRガス割合制御手段と、を有し、前記筒内温度制御手段は前記EGRガス割合制御手段により筒内に供給される第2EGR通路を通るEGRガス量の割合を増加させることで筒内の温度を低下させ、筒内に供給される第1EGR通路を通るEGRガス量の割合を増加させることで筒内の温度を上昇させることを特
徴とする請求項1に記載の予混合圧縮着火内燃機関の制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004142474A JP4265475B2 (ja) | 2004-05-12 | 2004-05-12 | 予混合圧縮着火内燃機関の制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004142474A JP4265475B2 (ja) | 2004-05-12 | 2004-05-12 | 予混合圧縮着火内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005325694A JP2005325694A (ja) | 2005-11-24 |
JP4265475B2 true JP4265475B2 (ja) | 2009-05-20 |
Family
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JP2004142474A Expired - Fee Related JP4265475B2 (ja) | 2004-05-12 | 2004-05-12 | 予混合圧縮着火内燃機関の制御装置 |
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JP (1) | JP4265475B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4706592B2 (ja) * | 2006-08-10 | 2011-06-22 | トヨタ自動車株式会社 | 内燃機関のegrシステム |
JPWO2013014789A1 (ja) * | 2011-07-28 | 2015-02-23 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
AU2011373834A1 (en) * | 2011-07-28 | 2014-02-20 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine control apparatus |
JP6005928B2 (ja) * | 2011-12-01 | 2016-10-12 | ダイヤモンド電機株式会社 | 内燃機関の燃焼状態判定方法 |
JP2013234578A (ja) * | 2012-05-07 | 2013-11-21 | Diamond Electric Mfg Co Ltd | 内燃機関の制御方法 |
JP6075166B2 (ja) * | 2013-04-05 | 2017-02-08 | 株式会社豊田自動織機 | 燃焼制御装置 |
JP6159677B2 (ja) * | 2014-03-31 | 2017-07-05 | 株式会社クボタ | エンジン |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1292153C (zh) * | 1998-02-23 | 2006-12-27 | 卡明斯发动机公司 | 带有优化燃烧控制的预混合充量压缩点火发动机 |
JPH11294264A (ja) * | 1998-04-15 | 1999-10-26 | Hino Motors Ltd | 排ガス再循環装置 |
JP2002174147A (ja) * | 2000-12-07 | 2002-06-21 | Toyota Motor Corp | 内燃機関の排気ガス再循環装置用還流ガス温度制御装置 |
JP3750599B2 (ja) * | 2001-12-19 | 2006-03-01 | トヨタ自動車株式会社 | ディーゼルエンジン |
JP4114382B2 (ja) * | 2002-04-05 | 2008-07-09 | 三菱ふそうトラック・バス株式会社 | 内燃機関のNOx浄化装置 |
JP2003293844A (ja) * | 2002-04-05 | 2003-10-15 | Toyota Motor Corp | 酸素濃度センサの劣化診断装置 |
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2004
- 2004-05-12 JP JP2004142474A patent/JP4265475B2/ja not_active Expired - Fee Related
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JP2005325694A (ja) | 2005-11-24 |
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