JP4968206B2 - 内燃機関及び内燃機関の燃料噴射制御装置 - Google Patents
内燃機関及び内燃機関の燃料噴射制御装置 Download PDFInfo
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- JP4968206B2 JP4968206B2 JP2008187709A JP2008187709A JP4968206B2 JP 4968206 B2 JP4968206 B2 JP 4968206B2 JP 2008187709 A JP2008187709 A JP 2008187709A JP 2008187709 A JP2008187709 A JP 2008187709A JP 4968206 B2 JP4968206 B2 JP 4968206B2
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- Prior art keywords
- fuel
- injection amount
- injection
- cylinder
- intake passage
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Classifications
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- 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
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
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- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/084—Blends of gasoline and alcohols, e.g. E85
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/085—Control based on the fuel type or composition
- F02D19/087—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0611—Fuel type, fuel composition or fuel quality
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
図1は、本発明の実施形態に係るエンジンを表す概略構成図、図2は、本発明の実施形態に係るエンジンにおける要求噴射量を説明するための線図、図3は、本発明の実施形態に係るエンジンにおける燃料噴射制御を説明するためのフローチャートである。なお、図2では、縦軸を要求噴射量、横軸をアルコール濃度としている。
1a 燃焼室
2 エアクリーナ
3 電子スロットル弁
4 サージタンク
5 吸気通路
6 ポート噴射用インジェクタ(吸気通路噴射手段)
7 筒内噴射用インジェクタ(筒内噴射手段)
8 点火プラグ
9 排気通路
9a 空燃比センサ
10 触媒
11 燃料タンク
12 燃料供給系
13 筒内側デリバリパイプ
14 低圧燃料ポンプ
15 高圧燃料ポンプ
16 燃料供給管
17 吸気側デリバリパイプ
18 燃料回収系
19 駆動モータ
20 リリーフバルブ
21 アルコール濃度センサ
23 燃料圧力センサ
24 クランクセンサ
25 吸気圧センサ
26 吸気温センサ
27 アクセル開度センサ
28 スロットルポジションセンサ
29 水温センサ
30 ECU(制御手段)
100 燃料噴射制御装置
Claims (3)
- 燃料と空気との混合気が燃焼可能な燃焼室に空気を供給する吸気通路内に前記燃料を噴射可能な吸気通路噴射手段と、
前記燃焼室内に前記燃料を直接噴射可能な筒内噴射手段と、
前記吸気通路噴射手段及び前記筒内噴射手段を制御すると共に、前記燃料に混合されているアルコールの濃度に応じて変化する要求噴射量と、基準となる前記濃度に応じた前記要求噴射量である基準要求噴射量との差分の差分噴射量に基づいて、前記吸気通路噴射手段による前記燃料の噴射量を補正する制御手段とを備え、
前記制御手段は、前記筒内噴射手段による前記燃料の噴射量を前記基準要求噴射量に応じた基準筒内要求噴射量に基づいて制御する一方、前記吸気通路噴射手段による前記燃料の噴射量を前記基準要求噴射量に応じた基準吸気通路要求噴射量と前記差分噴射量とに基づいて制御することを特徴とする、
内燃機関。 - 前記制御手段は、前記濃度が0パーセントである場合の前記要求噴射量を前記基準要求噴射量に設定し、前記濃度が0パーセントよりも高い場合には、前記濃度に基づいて前記吸気通路噴射手段による前記燃料の噴射量を増量することを特徴とする、
請求項1に記載の内燃機関。 - 燃料と空気との混合気が燃焼可能な燃焼室に空気を供給する吸気通路内へ前記燃料を噴射可能な吸気通路噴射手段と、前記燃焼室内へ前記燃料を直接噴射可能な筒内噴射手段とが設けられた内燃機関の燃料噴射制御装置において、
前記燃料に混合されているアルコールの濃度に応じて変化する要求噴射量と、基準となる前記濃度に応じた前記要求噴射量である基準要求噴射量との差分の差分噴射量に基づいて、前記吸気通路噴射手段による前記燃料の噴射量を補正するものであり、
前記筒内噴射手段による前記燃料の噴射量を前記基準要求噴射量に応じた基準筒内要求噴射量に基づいて制御する一方、前記吸気通路噴射手段による前記燃料の噴射量を前記基準要求噴射量に応じた基準吸気通路要求噴射量と前記差分噴射量とに基づいて制御することを特徴とする、
内燃機関の燃料噴射制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008187709A JP4968206B2 (ja) | 2008-07-18 | 2008-07-18 | 内燃機関及び内燃機関の燃料噴射制御装置 |
Applications Claiming Priority (1)
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JP2008187709A JP4968206B2 (ja) | 2008-07-18 | 2008-07-18 | 内燃機関及び内燃機関の燃料噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2010024996A JP2010024996A (ja) | 2010-02-04 |
JP4968206B2 true JP4968206B2 (ja) | 2012-07-04 |
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JP2008187709A Active JP4968206B2 (ja) | 2008-07-18 | 2008-07-18 | 内燃機関及び内燃機関の燃料噴射制御装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022162045A1 (fr) * | 2021-02-01 | 2022-08-04 | Vitesco Technologies GmbH | Procede de distribution de carburant |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5861666B2 (ja) * | 2013-05-30 | 2016-02-16 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6256400B2 (ja) * | 2015-03-27 | 2018-01-10 | トヨタ自動車株式会社 | 異常判定装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4466328B2 (ja) * | 2004-06-15 | 2010-05-26 | トヨタ自動車株式会社 | デュアル噴射型内燃機関の燃料噴射制御方法 |
JP4306620B2 (ja) * | 2005-02-07 | 2009-08-05 | トヨタ自動車株式会社 | 内燃機関の始動制御装置及び燃料噴射制御装置 |
JP2008069700A (ja) * | 2006-09-13 | 2008-03-27 | Toyota Motor Corp | 内燃機関の燃料制御装置 |
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- 2008-07-18 JP JP2008187709A patent/JP4968206B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022162045A1 (fr) * | 2021-02-01 | 2022-08-04 | Vitesco Technologies GmbH | Procede de distribution de carburant |
FR3119422A1 (fr) * | 2021-02-01 | 2022-08-05 | Vitesco Technologies | Procédé de distribution de carburant |
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JP2010024996A (ja) | 2010-02-04 |
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