WO2008126771A1 - 燃料直噴エンジン - Google Patents

燃料直噴エンジン Download PDF

Info

Publication number
WO2008126771A1
WO2008126771A1 PCT/JP2008/056710 JP2008056710W WO2008126771A1 WO 2008126771 A1 WO2008126771 A1 WO 2008126771A1 JP 2008056710 W JP2008056710 W JP 2008056710W WO 2008126771 A1 WO2008126771 A1 WO 2008126771A1
Authority
WO
WIPO (PCT)
Prior art keywords
squish
cavity
fuel
section
flow
Prior art date
Application number
PCT/JP2008/056710
Other languages
English (en)
French (fr)
Inventor
Hiroshi Sono
Tatsuya Uchimoto
Yukihisa Yamaya
Kenichiro Ikeya
Yutaka Tajima
Mitsuhiro Shibata
Nobuhiko Sasaki
Original Assignee
Honda Motor Co., Ltd.
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
Priority claimed from JP2007100644A external-priority patent/JP4929012B2/ja
Priority claimed from JP2007100645A external-priority patent/JP4929013B2/ja
Application filed by Honda Motor Co., Ltd. filed Critical Honda Motor Co., Ltd.
Priority to US12/532,984 priority Critical patent/US8474431B2/en
Priority to CN2008800087012A priority patent/CN101636572B/zh
Priority to AT08739817T priority patent/ATE529618T1/de
Priority to EP08739817A priority patent/EP2133535B1/en
Publication of WO2008126771A1 publication Critical patent/WO2008126771A1/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
    • F02B23/02—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
    • 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
    • F02B23/0621—Squish 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
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • 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
    • F02B23/0696—W-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 wall
    • 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
    • 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
    • F02B2275/40—Squish effect
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

　スキッシュエリア（ＳＡ）の幅（Ｗ２）が大きく、スキッシュクリアランス（Ｃ２）が小さいためにピストン（１３）の外周部からキャビティ（２５）に向かって流れるスキッシュ流が大きい断面では、燃料噴射軸（Ｌｉ２）がキャビティ（２５）に衝突する衝突角（α２）を大きくし、逆にスキッシュエリア（ＳＡ）の幅が小さく、スキッシュクリアランスが大きいためにスキッシュ流が小さい断面では、燃料噴射軸がキャビティ（２５）に衝突する衝突角を小さくする。これにより、スキッシュ流が小さい断面で燃料がキャビティ（２５）の外部に流出する傾向が弱くなり、スキッシュ流が大きい断面で燃料がキャビティ（２５）の外部に流出する傾向が強くなるため、キャビティ（２５）の全域に亘って燃料および空気の混合状態を均一化することができる。
PCT/JP2008/056710 2007-04-06 2008-04-03 燃料直噴エンジン WO2008126771A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/532,984 US8474431B2 (en) 2007-04-06 2008-04-03 Direct fuel-injected engine
CN2008800087012A CN101636572B (zh) 2007-04-06 2008-04-03 燃料直喷发动机
AT08739817T ATE529618T1 (de) 2007-04-06 2008-04-03 Direkteinspritzmotor
EP08739817A EP2133535B1 (en) 2007-04-06 2008-04-03 Direct fuel-injection engine

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-100645 2007-04-06
JP2007100644A JP4929012B2 (ja) 2007-04-06 2007-04-06 燃料直噴エンジン
JP2007-100644 2007-04-06
JP2007100645A JP4929013B2 (ja) 2007-04-06 2007-04-06 燃料直噴エンジン

Publications (1)

Publication Number Publication Date
WO2008126771A1 true WO2008126771A1 (ja) 2008-10-23

Family

ID=39863871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056710 WO2008126771A1 (ja) 2007-04-06 2008-04-03 燃料直噴エンジン

Country Status (4)

Country Link
US (1) US8474431B2 (ja)
EP (1) EP2133535B1 (ja)
AT (1) ATE529618T1 (ja)
WO (1) WO2008126771A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4851864B2 (ja) * 2006-06-23 2012-01-11 本田技研工業株式会社 燃料直噴ディーゼルエンジン
ATE529618T1 (de) * 2007-04-06 2011-11-15 Honda Motor Co Ltd Direkteinspritzmotor
DE102010037244A1 (de) * 2010-08-31 2012-03-01 OCé PRINTING SYSTEMS GMBH Anordnung zum Bedrucken eines Bedruckstoffs bei einem elektrofotografischen Druckgerät
JP6583853B2 (ja) * 2015-09-25 2019-10-02 マツダ株式会社 エンジン
JP6485489B2 (ja) * 2017-05-23 2019-03-20 マツダ株式会社 エンジンの制御装置及びエンジンの制御方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62255520A (ja) * 1986-04-30 1987-11-07 Isuzu Motors Ltd ペントル−フ形ピストン
JPS62255524A (ja) * 1986-04-30 1987-11-07 Isuzu Motors Ltd ペントル−フ型直噴式内燃機関
JPS6316124A (ja) 1986-07-07 1988-01-23 Isuzu Motors Ltd ペントル−フ形ピストン
US4958604A (en) 1988-02-10 1990-09-25 Toyota Jidosha Kabushiki Kaisha Direct fuel injection type spark ignition internal combustion engine
JP2002122024A (ja) * 2000-10-13 2002-04-26 Mitsubishi Motors Corp ピストンの燃焼室
JP2003328759A (ja) * 2002-05-16 2003-11-19 Nissan Motor Co Ltd 直噴火花点火式内燃機関
JP2006175597A (ja) 2006-03-23 2006-07-06 Ebara Corp ポリッシング方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08121171A (ja) 1994-10-31 1996-05-14 Isuzu Motors Ltd 直噴式ディーゼル機関の燃焼室
JP3546524B2 (ja) 1995-04-28 2004-07-28 いすゞ自動車株式会社 直接噴射式ディーゼルエンジン
AU712704B2 (en) * 1996-03-19 1999-11-11 Outboard Marine Corporation Two-stroke engine piston bowl configurations
JPH10288131A (ja) * 1997-04-11 1998-10-27 Yanmar Diesel Engine Co Ltd ディーゼル機関の噴射ノズル
EP1319822B9 (de) * 2001-12-14 2007-12-26 Ford Global Technologies, LLC Brennkraftmaschine mit Direkteinspritzung
US6832594B2 (en) * 2002-01-09 2004-12-21 Nissan Motor Co., Ltd. Direct fuel injection engine
JP3953430B2 (ja) * 2003-03-06 2007-08-08 本田技研工業株式会社 筒内噴射式内燃機関
FR2894614B1 (fr) * 2005-12-08 2008-02-29 Renault Sas Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe
JP4851864B2 (ja) * 2006-06-23 2012-01-11 本田技研工業株式会社 燃料直噴ディーゼルエンジン
JP4757112B2 (ja) 2006-06-26 2011-08-24 本田技研工業株式会社 燃料直噴ディーゼルエンジン
JP4767775B2 (ja) 2006-07-04 2011-09-07 本田技研工業株式会社 燃料直噴ディーゼルエンジン
ATE529618T1 (de) * 2007-04-06 2011-11-15 Honda Motor Co Ltd Direkteinspritzmotor
JP4732505B2 (ja) * 2008-04-23 2011-07-27 本田技研工業株式会社 燃料直噴エンジン

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62255520A (ja) * 1986-04-30 1987-11-07 Isuzu Motors Ltd ペントル−フ形ピストン
JPS62255524A (ja) * 1986-04-30 1987-11-07 Isuzu Motors Ltd ペントル−フ型直噴式内燃機関
JPS6316124A (ja) 1986-07-07 1988-01-23 Isuzu Motors Ltd ペントル−フ形ピストン
US4958604A (en) 1988-02-10 1990-09-25 Toyota Jidosha Kabushiki Kaisha Direct fuel injection type spark ignition internal combustion engine
JP2002122024A (ja) * 2000-10-13 2002-04-26 Mitsubishi Motors Corp ピストンの燃焼室
JP2003328759A (ja) * 2002-05-16 2003-11-19 Nissan Motor Co Ltd 直噴火花点火式内燃機関
JP2006175597A (ja) 2006-03-23 2006-07-06 Ebara Corp ポリッシング方法

Also Published As

Publication number Publication date
US8474431B2 (en) 2013-07-02
EP2133535B1 (en) 2011-10-19
EP2133535A1 (en) 2009-12-16
EP2133535A4 (en) 2010-09-22
ATE529618T1 (de) 2011-11-15
US20100108022A1 (en) 2010-05-06

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