JPS6328206B2 - - Google Patents

Info

Publication number
JPS6328206B2
JPS6328206B2 JP58030625A JP3062583A JPS6328206B2 JP S6328206 B2 JPS6328206 B2 JP S6328206B2 JP 58030625 A JP58030625 A JP 58030625A JP 3062583 A JP3062583 A JP 3062583A JP S6328206 B2 JPS6328206 B2 JP S6328206B2
Authority
JP
Japan
Prior art keywords
main injection
injection valve
pilot
recess
injection
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.)
Expired
Application number
JP58030625A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59155529A (ja
Inventor
Kanji Oohashi
Kazuo Konya
Yoshitada Uchama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP58030625A priority Critical patent/JPS59155529A/ja
Publication of JPS59155529A publication Critical patent/JPS59155529A/ja
Publication of JPS6328206B2 publication Critical patent/JPS6328206B2/ja
Granted legal-status Critical Current

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
    • F02B23/04—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being subdivided into two or more chambers
    • 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
    • F02B23/0663—Details related to the fuel injector or the fuel spray having multiple injectors per 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
    • 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
    • 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
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/0687—Multiple bowls in the piston, e.g. one bowl per fuel spray jet
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
JP58030625A 1983-02-25 1983-02-25 直噴式デイ−ゼルエンジンのパイロツト噴射装置 Granted JPS59155529A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58030625A JPS59155529A (ja) 1983-02-25 1983-02-25 直噴式デイ−ゼルエンジンのパイロツト噴射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58030625A JPS59155529A (ja) 1983-02-25 1983-02-25 直噴式デイ−ゼルエンジンのパイロツト噴射装置

Publications (2)

Publication Number Publication Date
JPS59155529A JPS59155529A (ja) 1984-09-04
JPS6328206B2 true JPS6328206B2 (US07368563-20080506-C00056.png) 1988-06-07

Family

ID=12309031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58030625A Granted JPS59155529A (ja) 1983-02-25 1983-02-25 直噴式デイ−ゼルエンジンのパイロツト噴射装置

Country Status (1)

Country Link
JP (1) JPS59155529A (US07368563-20080506-C00056.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2500944Y2 (ja) * 1985-11-08 1996-06-12 日産自動車株式会社 直噴式デイ−ゼルエンジンの燃焼室構造
JP2536351B2 (ja) * 1991-03-22 1996-09-18 いすゞ自動車株式会社 直噴式内燃機関
JP2578820Y2 (ja) * 1991-11-29 1998-08-20 三菱自動車工業株式会社 ディーゼルエンジンの燃料噴射装置
JPH0610673A (ja) * 1992-06-30 1994-01-18 Shinnenshiyou Syst Kenkyusho:Kk 直接噴射式ディーゼル機関
FR2822192B1 (fr) * 2001-03-16 2003-05-16 Renault Toit de culasse
DE102004004391A1 (de) * 2004-01-29 2005-08-11 Daimlerchrysler Ag Direkteinspritzende Brennkraftmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549244A (en) * 1977-06-23 1979-01-24 Ciba Geigy Ag Process for preparing phenylalkylsulfone
JPS5738614A (en) * 1980-08-20 1982-03-03 Nippon Jidosha Kenkyusho Internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549244A (en) * 1977-06-23 1979-01-24 Ciba Geigy Ag Process for preparing phenylalkylsulfone
JPS5738614A (en) * 1980-08-20 1982-03-03 Nippon Jidosha Kenkyusho Internal combustion engine

Also Published As

Publication number Publication date
JPS59155529A (ja) 1984-09-04

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