JP2005155464A - 燃料噴射装置 - Google Patents
燃料噴射装置 Download PDFInfo
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- JP2005155464A JP2005155464A JP2003395673A JP2003395673A JP2005155464A JP 2005155464 A JP2005155464 A JP 2005155464A JP 2003395673 A JP2003395673 A JP 2003395673A JP 2003395673 A JP2003395673 A JP 2003395673A JP 2005155464 A JP2005155464 A JP 2005155464A
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- fuel
- fuel injection
- injection valve
- internal combustion
- engine
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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
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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
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
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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
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
- F02D41/345—Controlling injection timing
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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
- F02D41/38—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
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- 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
- F02B75/00—Other engines
- F02B75/12—Other methods of operation
- F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
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- 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
- F02B2275/16—Indirect injection
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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
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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
-
- 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)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
【解決手段】 内燃機関の燃焼室5に燃料を噴射する第1の燃料噴射弁11と、内燃機関の吸気通路6,13,14,15に燃料を噴射する第2の燃料噴射弁12とを具備する。第1の燃料噴射弁からは低オクタン価の燃料が噴射される。第2の燃料噴射弁からは高オクタン価の燃料が噴射される。内燃機関が始動されたときには第2の燃料噴射弁からのみ燃料が噴射されるが、内燃機関が始動されたときに内燃機関の温度が予め定められた温度よりも低いときには第2の燃料噴射弁からの燃料噴射を禁止すると共に第1の燃料噴射弁からのみ燃料を噴射する。
【選択図】 図1
Description
なお、1番目の発明において、内燃機関が始動されたときとは、内燃機関が始動されてから一定期間が経過するまで、あるいは、内燃機関が始動されてから機関負荷が一定値を超えるまで、あるいは、内燃機関が始動されてから機関負荷が一定値を超えるか内燃機関が始動されてから機関負荷が一定値を超えない状態で一定期間が経過するまで、を意味する。
5…燃焼室
6…吸気ポート
8…排気ポート
10…点火栓
11…筒内噴射弁
12…ポート噴射弁
Claims (1)
- 内燃機関の燃焼室に燃料を噴射する第1の燃料噴射弁と、内燃機関の吸気通路に燃料を噴射する第2の燃料噴射弁とを具備し、第1の燃料噴射弁からは低オクタン価の燃料が噴射され、第2の燃料噴射弁からは高オクタン価の燃料が噴射され、内燃機関が始動されたときには第2の燃料噴射弁からのみ燃料が噴射される燃料噴射装置において、内燃機関が始動されたときに内燃機関の温度が予め定められた温度よりも低いときには第2の燃料噴射弁からの燃料噴射を禁止すると共に第1の燃料噴射弁からのみ燃料を噴射することを特徴とする燃料噴射装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395673A JP4039360B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射装置 |
US10/989,273 US6959693B2 (en) | 2003-11-26 | 2004-11-17 | Fuel injection system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395673A JP4039360B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005155464A true JP2005155464A (ja) | 2005-06-16 |
JP4039360B2 JP4039360B2 (ja) | 2008-01-30 |
Family
ID=34587606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003395673A Expired - Fee Related JP4039360B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6959693B2 (ja) |
JP (1) | JP4039360B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007154881A (ja) * | 2005-11-30 | 2007-06-21 | Ford Global Technologies Llc | エンジンの制御装置及び制御方法 |
JP2015169184A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | 内燃機関の燃料供給制御装置 |
JP2020023975A (ja) * | 2019-11-21 | 2020-02-13 | ヤンマー株式会社 | エンジン |
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JP4492421B2 (ja) * | 2004-04-21 | 2010-06-30 | トヨタ自動車株式会社 | 内燃機関の燃料供給装置 |
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US9556809B2 (en) * | 2014-12-12 | 2017-01-31 | General Electric Company | System and method for optimal fueling of an engine |
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US5450829A (en) * | 1994-05-03 | 1995-09-19 | Servojet Products International | Electronically controlled pilot fuel injection of compression ignition engines |
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US6550430B2 (en) * | 2001-02-27 | 2003-04-22 | Clint D. J. Gray | Method of operating a dual fuel internal |
US6679224B2 (en) * | 2001-11-06 | 2004-01-20 | Southwest Research Institute | Method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions |
DE10158872B4 (de) * | 2001-11-30 | 2006-03-16 | Daimlerchrysler Ag | Brennkraftmaschine und Verfahren zum Betrieb einer Brennkraftmaschine |
US6666185B1 (en) * | 2002-05-30 | 2003-12-23 | Caterpillar Inc | Distributed ignition method and apparatus for a combustion engine |
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JP4214774B2 (ja) * | 2002-12-19 | 2009-01-28 | トヨタ自動車株式会社 | 内燃機関および内燃機関の燃焼方法 |
US6866016B2 (en) * | 2003-07-14 | 2005-03-15 | General Electric Company | System and method for controlling ignition in internal combustion engines |
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Cited By (3)
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JP2007154881A (ja) * | 2005-11-30 | 2007-06-21 | Ford Global Technologies Llc | エンジンの制御装置及び制御方法 |
JP2015169184A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | 内燃機関の燃料供給制御装置 |
JP2020023975A (ja) * | 2019-11-21 | 2020-02-13 | ヤンマー株式会社 | エンジン |
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US6959693B2 (en) | 2005-11-01 |
US20050109319A1 (en) | 2005-05-26 |
JP4039360B2 (ja) | 2008-01-30 |
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