WO2009041085A1 - 筒内噴射型内燃機関 - Google Patents

筒内噴射型内燃機関 Download PDF

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Publication number
WO2009041085A1
WO2009041085A1 PCT/JP2008/054576 JP2008054576W WO2009041085A1 WO 2009041085 A1 WO2009041085 A1 WO 2009041085A1 JP 2008054576 W JP2008054576 W JP 2008054576W WO 2009041085 A1 WO2009041085 A1 WO 2009041085A1
Authority
WO
WIPO (PCT)
Prior art keywords
vicinity
firing part
combustion engine
internal combustion
direct injection
Prior art date
Application number
PCT/JP2008/054576
Other languages
English (en)
French (fr)
Inventor
Koji Hata
Dai Tanaka
Original Assignee
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Jidosha Kogyo Kabushiki Kaisha filed Critical Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Priority to US12/528,342 priority Critical patent/US8074621B2/en
Priority to EP08738647.0A priority patent/EP2192287B1/en
Priority to CN2008800078297A priority patent/CN101631939B/zh
Publication of WO2009041085A1 publication Critical patent/WO2009041085A1/ja

Links

Classifications

    • 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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
    • 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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/26—Pistons  having combustion chamber in piston head
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
    • 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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/103—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector having a multi-hole nozzle for generating multiple sprays
    • 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
    • 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

Abstract

　本発明は、点火プラグの点火部近傍のガス流速を抑えると共に、点火に適した混合気が、長く滞留させられる筒内噴射型内燃機関を提供する。 　本発明の筒内噴射型内燃機関は、燃焼室６の噴射部１１と点火部１７との間の壁面に、噴射部１１から噴射された燃料を直接的に点火部近傍へ向わせる通路２５を有して噴射部１１から噴射された燃料の一部を反射させて間接的に点火部近傍へ向わせる反射部２８を設けた。同構成により、点火に適した混合気が、直接と間接といった２種類の経路がもたらす到達時期の差、さらには反射により点火部へ到達するガス流速が抑えられることにより、点火部近傍に、長い期間、滞留し続ける。
PCT/JP2008/054576 2007-09-27 2008-03-13 筒内噴射型内燃機関 WO2009041085A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/528,342 US8074621B2 (en) 2007-09-27 2008-03-13 In-cylinder injection type internal combustion engine
EP08738647.0A EP2192287B1 (en) 2007-09-27 2008-03-13 Direct injection internal combustion engine
CN2008800078297A CN101631939B (zh) 2007-09-27 2008-03-13 缸内喷射式内燃机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007251198A JP4941664B2 (ja) 2007-09-27 2007-09-27 筒内噴射型内燃機関
JP2007-251198 2007-09-27

Publications (1)

Publication Number Publication Date
WO2009041085A1 true WO2009041085A1 (ja) 2009-04-02

Family

ID=40510989

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054576 WO2009041085A1 (ja) 2007-09-27 2008-03-13 筒内噴射型内燃機関

Country Status (6)

Country Link
US (1) US8074621B2 (ja)
EP (1) EP2192287B1 (ja)
JP (1) JP4941664B2 (ja)
KR (1) KR101154580B1 (ja)
CN (1) CN101631939B (ja)
WO (1) WO2009041085A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015124662A (ja) * 2013-12-26 2015-07-06 トヨタ自動車株式会社 火花点火式内燃機関の燃焼室構造

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012120668A1 (ja) * 2011-03-09 2012-09-13 トヨタ自動車株式会社 エンジンの制御装置
JPWO2019197860A1 (ja) * 2018-04-10 2021-03-11 日産自動車株式会社 内燃機関の燃焼室構造

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07259705A (ja) * 1994-03-22 1995-10-09 Yamaha Motor Co Ltd 筒内燃料噴射装置
JP2000045777A (ja) * 1998-07-28 2000-02-15 Nissan Motor Co Ltd 筒内直接噴射式内燃機関
JP3295975B2 (ja) * 1992-09-02 2002-06-24 日産自動車株式会社 ガソリンエンジン
JP2005030321A (ja) * 2003-07-07 2005-02-03 Toyota Central Res & Dev Lab Inc 筒内直噴式火花点火内燃機関
JP2005188305A (ja) * 2003-12-24 2005-07-14 Nissan Motor Co Ltd 筒内噴射式内燃機関
JP2006291798A (ja) 2005-04-08 2006-10-26 Mitsubishi Motors Corp 内燃機関の燃焼室構造
JP2007092632A (ja) * 2005-09-28 2007-04-12 Mazda Motor Corp 火花点火式直噴エンジン
JP2007231839A (ja) 2006-03-01 2007-09-13 Denso Corp 燃焼機関
EP2166210A1 (en) 2007-06-29 2010-03-24 Mitsubishi Jidosha Kogyo Kabushiki Kaisha In-cylinder injection type internal combustion engine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974565A (en) * 1988-02-26 1990-12-04 Toyota Jidosha Kabushiki Kaisha Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve
US5775288A (en) * 1995-08-17 1998-07-07 Yamaha Hatsudoki Kabushiki Kaisha Combustion chamber
US5960767A (en) * 1996-02-09 1999-10-05 Fuji Jukogyo Kabushiki Kaisha Combustion chamber of in-cylinder direct fuel injection engine
JP3612874B2 (ja) 1996-08-12 2005-01-19 マツダ株式会社 筒内噴射型エンジン
JP3743896B2 (ja) * 1996-10-31 2006-02-08 富士重工業株式会社 筒内噴射式エンジン
JP3353709B2 (ja) * 1998-07-08 2002-12-03 トヨタ自動車株式会社 筒内噴射式火花点火内燃機関
US20020073958A1 (en) * 2000-03-03 2002-06-20 Christopher Wright Two-cycle engine head for use with direct fuel injection
JP3852310B2 (ja) * 2000-08-07 2006-11-29 トヨタ自動車株式会社 筒内噴射式火花点火内燃機関
JP4193346B2 (ja) * 2000-09-18 2008-12-10 株式会社日立製作所 内燃機関
JP4170902B2 (ja) * 2001-07-02 2008-10-22 株式会社日立製作所 シリンダ内直接噴射式内燃機関
KR100471202B1 (ko) * 2001-09-26 2005-03-07 현대자동차주식회사 가솔린 직접 분사식 엔진
JP3931802B2 (ja) * 2001-12-27 2007-06-20 株式会社日立製作所 燃料噴射弁とその装置及び内燃機関並びに燃料噴射弁の製造方法及びそのノズルボディとその製造方法
EP1837504B1 (en) * 2005-01-06 2013-07-24 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Cylinder injection spark ignition type internal combustion engine
JP2006291839A (ja) * 2005-04-11 2006-10-26 Hitachi Ltd 筒内直接燃料噴射型エンジン，当該エンジンの制御方法，当該エンジンに用いるピストン及び当該エンジンに用いる燃料噴射弁

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3295975B2 (ja) * 1992-09-02 2002-06-24 日産自動車株式会社 ガソリンエンジン
JPH07259705A (ja) * 1994-03-22 1995-10-09 Yamaha Motor Co Ltd 筒内燃料噴射装置
JP2000045777A (ja) * 1998-07-28 2000-02-15 Nissan Motor Co Ltd 筒内直接噴射式内燃機関
JP2005030321A (ja) * 2003-07-07 2005-02-03 Toyota Central Res & Dev Lab Inc 筒内直噴式火花点火内燃機関
JP2005188305A (ja) * 2003-12-24 2005-07-14 Nissan Motor Co Ltd 筒内噴射式内燃機関
JP2006291798A (ja) 2005-04-08 2006-10-26 Mitsubishi Motors Corp 内燃機関の燃焼室構造
JP2007092632A (ja) * 2005-09-28 2007-04-12 Mazda Motor Corp 火花点火式直噴エンジン
JP2007231839A (ja) 2006-03-01 2007-09-13 Denso Corp 燃焼機関
EP2166210A1 (en) 2007-06-29 2010-03-24 Mitsubishi Jidosha Kogyo Kabushiki Kaisha In-cylinder injection type internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2192287A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015124662A (ja) * 2013-12-26 2015-07-06 トヨタ自動車株式会社 火花点火式内燃機関の燃焼室構造

Also Published As

Publication number Publication date
JP4941664B2 (ja) 2012-05-30
US20100065018A1 (en) 2010-03-18
CN101631939B (zh) 2011-12-21
KR101154580B1 (ko) 2012-06-08
EP2192287A1 (en) 2010-06-02
KR20100002297A (ko) 2010-01-06
US8074621B2 (en) 2011-12-13
EP2192287A4 (en) 2011-11-09
JP2009079570A (ja) 2009-04-16
EP2192287B1 (en) 2017-05-10
CN101631939A (zh) 2010-01-20

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