JP2015137572A - 圧縮着火式内燃機関の制御装置 - Google Patents
圧縮着火式内燃機関の制御装置 Download PDFInfo
- Publication number
- JP2015137572A JP2015137572A JP2014009026A JP2014009026A JP2015137572A JP 2015137572 A JP2015137572 A JP 2015137572A JP 2014009026 A JP2014009026 A JP 2014009026A JP 2014009026 A JP2014009026 A JP 2014009026A JP 2015137572 A JP2015137572 A JP 2015137572A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- fuel
- value
- injection
- heat generation
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
- F02B23/0624—Swirl flow
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3827—Common rail control systems for diesel engines
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/06—Fuel-injection apparatus having means for preventing coking, e.g. of fuel injector discharge orifices or valve needles
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
dQ/dθ={к/(к-1)}×P(dV/dθ)+{1/(к-1)}×V(dP/dθ)・・・(1)
3 隆起面
4 傾斜底面
5 湾曲面
6 内周側面
61〜68 領域
N ノズル
71〜78 噴孔
CP 中心軸
Claims (6)
- 周方向に間隔をあけた複数の噴孔を有し、燃焼室に直接燃料を噴射するノズルと、
前記ノズルからの距離が周方向で異なっている内周側面を含むキャビティを有したピストンと、
前記複数の噴孔のうち、前記ノズルから前記内周側面までの距離が最も離れた部分に燃料を噴射する第1噴孔と、
前記複数の噴孔のうち、前記ノズルから前記内周側面までの距離が最も近い部分に燃料を噴射する第2噴孔と、
前記燃焼室内での熱発生率を検出する検出部と、
メイン噴射において前記第2噴孔からの燃料噴霧の着火後であり前記第1噴孔からの燃料噴霧の着火前での前記熱発生率の最大値である前半判定値と、前記第1噴孔からの燃料噴霧の着火後での前記熱発生率の最大値である後半判定値と、の一方に対する他方の大きさに基づいて、前記第1及び第2噴孔のどちらが異常かを判定する制御部と、を備えた圧縮着火式内燃機関の制御装置。 - 周方向に間隔をあけた複数の噴孔を有し、燃焼室に直接燃料を噴射するノズルと、
前記ノズルからの距離が周方向で異なっている内周側面を含むキャビティを有したピストンと、
前記複数の噴孔のうち、前記ノズルから前記内周側面までの距離が最も離れた部分に燃料を噴射する第1噴孔と、
前記複数の噴孔のうち、前記ノズルから前記内周側面までの距離が最も近い部分に燃料を噴射する第2噴孔と、
前記燃焼室内での熱発生率を検出する検出部と、
メイン噴射において前記第2噴孔からの燃料噴霧の着火後であり前記第1噴孔からの燃料噴霧の着火前での前記熱発生率の低下率が最大時での前記熱発生率の値である前半判定値と、前記第1噴孔からの燃料噴霧の着火後での前記熱発生率の最大値である後半判定値と、の一方に対する他方の大きさに基づいて、前記第1及び第2噴孔のどちらが異常かを判定する制御部と、を備えた圧縮着火式内燃機関の制御装置。 - 前記制御部は、前記後半判定値に対する前記前半判定値の大きさが所定範囲を超えている場合、前記第1噴孔に異常があると判定し、
前記後半判定値に対する前記前半判定値の大きさが前記所定範囲未満の場合、前記第2噴孔に異常があると判定する、請求項1又は2の圧縮着火式内燃機関の制御装置。 - 前記制御部は、前記前半判定値に対する前記後半判定値の大きさが所定範囲を超えている場合、前記第2噴孔に異常があると判定し、
前記前半判定値に対する前記後半判定値の大きさが前記所定範囲未満の場合、前記第1噴孔に異常があると判定する、請求項1又は2の圧縮着火式内燃機関の制御装置。 - 前記制御部は、前記第1噴孔に異常があると判定した場合には、スモークの発生を抑制するための処理を実行する、請求項1乃至4の何れかの圧縮着火式内燃機関の制御装置。
- 前記制御部は、前記第2噴孔に異常があると判定した場合には、燃料の着火性が向上する処理を実行する、請求項1乃至5の何れかの圧縮着火式内燃機関の制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014009026A JP6079654B2 (ja) | 2014-01-21 | 2014-01-21 | 圧縮着火式内燃機関の制御装置 |
CN201580005104.4A CN105940209B (zh) | 2014-01-21 | 2015-01-19 | 用于压燃式内燃机的控制装置 |
PCT/IB2015/000042 WO2015110894A2 (en) | 2014-01-21 | 2015-01-19 | Control device for compression-ignited internal combustion engine |
EP15704367.0A EP3097295A2 (en) | 2014-01-21 | 2015-01-19 | Control device for compression-ignited internal combustion engine |
US15/112,545 US9957913B2 (en) | 2014-01-21 | 2015-01-19 | Control device for compression-ignited internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014009026A JP6079654B2 (ja) | 2014-01-21 | 2014-01-21 | 圧縮着火式内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015137572A true JP2015137572A (ja) | 2015-07-30 |
JP6079654B2 JP6079654B2 (ja) | 2017-02-15 |
Family
ID=52469869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014009026A Expired - Fee Related JP6079654B2 (ja) | 2014-01-21 | 2014-01-21 | 圧縮着火式内燃機関の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9957913B2 (ja) |
EP (1) | EP3097295A2 (ja) |
JP (1) | JP6079654B2 (ja) |
CN (1) | CN105940209B (ja) |
WO (1) | WO2015110894A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016111996A1 (de) | 2015-07-09 | 2017-01-12 | Fuji Jukogyo Kabushiki Kaisha | Fahrassistent für Fahrzeuge |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7155678B2 (ja) * | 2018-07-06 | 2022-10-19 | マツダ株式会社 | ディーゼルエンジンの燃料噴射制御装置 |
JP7124733B2 (ja) * | 2019-01-29 | 2022-08-24 | マツダ株式会社 | 圧縮着火エンジンの制御装置 |
JP7124734B2 (ja) * | 2019-01-29 | 2022-08-24 | マツダ株式会社 | 圧縮着火エンジンの制御装置 |
JP7124732B2 (ja) * | 2019-01-29 | 2022-08-24 | マツダ株式会社 | 圧縮着火エンジンの制御装置 |
CN114718722B (zh) * | 2022-02-24 | 2023-03-21 | 潍柴动力股份有限公司 | 预燃室进气用阀门故障检测方法、检测系统及发动机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009002229A (ja) * | 2007-06-21 | 2009-01-08 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2010101245A (ja) * | 2008-10-23 | 2010-05-06 | Honda Motor Co Ltd | 燃料噴射装置 |
JP2010196556A (ja) * | 2009-02-24 | 2010-09-09 | Denso Corp | 発熱量算出装置、内燃機関の制御装置及びインジェクタの異常検出装置 |
JP2011220186A (ja) * | 2010-04-08 | 2011-11-04 | Toyota Motor Corp | 内燃機関の燃焼制御装置 |
CA2809291A1 (en) * | 2013-03-12 | 2013-05-21 | Westport Power Inc. | Fuel system diagnostics |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4625111B2 (ja) * | 2008-05-19 | 2011-02-02 | 本田技研工業株式会社 | 内燃機関の燃料制御装置 |
US7676322B1 (en) * | 2008-08-19 | 2010-03-09 | Gm Global Technology Operations, Inc. | Engine control using cylinder pressure differential |
JP5589453B2 (ja) | 2010-03-11 | 2014-09-17 | いすゞ自動車株式会社 | ディーゼルエンジンの燃焼室 |
DE102011007393B3 (de) * | 2011-04-14 | 2012-09-13 | Continental Automotive Gmbh | Verfahren zur Detektion eines Düsenraumdrucks in einem Injektor und Einspritzsystem |
JP5692134B2 (ja) * | 2012-03-21 | 2015-04-01 | トヨタ自動車株式会社 | 内燃機関 |
CN102705089B (zh) * | 2012-06-29 | 2015-09-09 | 潍柴动力股份有限公司 | 一种基于轨压信号识别喷孔流量变动的方法和系统 |
JP6070346B2 (ja) * | 2013-03-27 | 2017-02-01 | トヨタ自動車株式会社 | 内燃機関の熱発生率波形作成装置および燃焼状態診断装置 |
JP5983866B2 (ja) * | 2013-04-03 | 2016-09-06 | トヨタ自動車株式会社 | 燃料噴射装置 |
US20160138461A1 (en) * | 2013-06-20 | 2016-05-19 | Toyota Jidosha Kabushiki Kaisha | Compression ignition internal combustion engine |
CN105308285B (zh) | 2013-06-20 | 2018-06-26 | 丰田自动车株式会社 | 压燃式内燃机 |
-
2014
- 2014-01-21 JP JP2014009026A patent/JP6079654B2/ja not_active Expired - Fee Related
-
2015
- 2015-01-19 CN CN201580005104.4A patent/CN105940209B/zh not_active Expired - Fee Related
- 2015-01-19 US US15/112,545 patent/US9957913B2/en not_active Expired - Fee Related
- 2015-01-19 WO PCT/IB2015/000042 patent/WO2015110894A2/en active Application Filing
- 2015-01-19 EP EP15704367.0A patent/EP3097295A2/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009002229A (ja) * | 2007-06-21 | 2009-01-08 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2010101245A (ja) * | 2008-10-23 | 2010-05-06 | Honda Motor Co Ltd | 燃料噴射装置 |
JP2010196556A (ja) * | 2009-02-24 | 2010-09-09 | Denso Corp | 発熱量算出装置、内燃機関の制御装置及びインジェクタの異常検出装置 |
JP2011220186A (ja) * | 2010-04-08 | 2011-11-04 | Toyota Motor Corp | 内燃機関の燃焼制御装置 |
CA2809291A1 (en) * | 2013-03-12 | 2013-05-21 | Westport Power Inc. | Fuel system diagnostics |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016111996A1 (de) | 2015-07-09 | 2017-01-12 | Fuji Jukogyo Kabushiki Kaisha | Fahrassistent für Fahrzeuge |
Also Published As
Publication number | Publication date |
---|---|
CN105940209A (zh) | 2016-09-14 |
US20160333819A1 (en) | 2016-11-17 |
WO2015110894A3 (en) | 2015-12-03 |
CN105940209B (zh) | 2019-01-22 |
EP3097295A2 (en) | 2016-11-30 |
JP6079654B2 (ja) | 2017-02-15 |
WO2015110894A2 (en) | 2015-07-30 |
US9957913B2 (en) | 2018-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6079654B2 (ja) | 圧縮着火式内燃機関の制御装置 | |
JP6183552B2 (ja) | ディーゼルエンジンの制御装置および制御方法 | |
JP4784467B2 (ja) | 予混合圧縮着火内燃機関 | |
JP6477619B2 (ja) | 内燃機関の制御装置 | |
JP6057022B2 (ja) | ディーゼルエンジンの制御装置および制御方法 | |
JP4821758B2 (ja) | 内燃機関の制御装置 | |
JP4747553B2 (ja) | 圧縮着火内燃機関 | |
JP5104195B2 (ja) | 火花点火内燃機関 | |
JP7124921B2 (ja) | エンジンの制御装置 | |
US11293395B2 (en) | Control device for engine | |
WO2018216151A1 (ja) | 内燃機関の制御方法及び制御装置 | |
JP6881402B2 (ja) | エンジンの制御装置 | |
JP6544418B2 (ja) | エンジンの制御装置 | |
JP6597763B2 (ja) | エンジンの制御装置 | |
JP5900626B2 (ja) | ディーゼルエンジンの制御装置 | |
JP6866871B2 (ja) | エンジンの制御装置及び制御方法 | |
JP7099183B2 (ja) | 内燃機関の制御装置 | |
JP6737156B2 (ja) | 内燃機関の制御装置 | |
JP2016008601A (ja) | 内燃機関 | |
JP2024064392A (ja) | 内燃機関制御装置及び内燃機関制御方法 | |
JP2020084891A (ja) | 副室付内燃機関の制御装置 | |
JP2019183770A (ja) | エンジンの低温酸化反応検出方法及び制御方法、並びに、エンジンの低温酸化反応検出装置及び制御装置 | |
JP2009144675A (ja) | 内燃機関の掃気制御装置。 | |
JP2017210934A (ja) | エンジン制御装置 | |
JP2007231772A (ja) | パルス過給弁を備えた内燃機関 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160311 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20161220 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170102 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6079654 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |