JP3781537B2 - 筒内噴射式エンジンの燃焼室構造 - Google Patents

筒内噴射式エンジンの燃焼室構造 Download PDF

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Publication number
JP3781537B2
JP3781537B2 JP34766097A JP34766097A JP3781537B2 JP 3781537 B2 JP3781537 B2 JP 3781537B2 JP 34766097 A JP34766097 A JP 34766097A JP 34766097 A JP34766097 A JP 34766097A JP 3781537 B2 JP3781537 B2 JP 3781537B2
Authority
JP
Japan
Prior art keywords
piston
combustion chamber
cavity
cylinder
spark plug
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 - Fee Related
Application number
JP34766097A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11182248A (ja
JPH11182248A5 (enExample
Inventor
豊誠 山内
弘二 森川
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
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 Fuji Jukogyo KK filed Critical Fuji Jukogyo KK
Priority to JP34766097A priority Critical patent/JP3781537B2/ja
Publication of JPH11182248A publication Critical patent/JPH11182248A/ja
Publication of JPH11182248A5 publication Critical patent/JPH11182248A5/ja
Application granted granted Critical
Publication of JP3781537B2 publication Critical patent/JP3781537B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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
    • F02B2023/102—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 spark plug being placed offset the cylinder centre axis
    • 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
    • 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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/241—Cylinder heads specially adapted to pent roof shape of the 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
JP34766097A 1997-12-17 1997-12-17 筒内噴射式エンジンの燃焼室構造 Expired - Fee Related JP3781537B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34766097A JP3781537B2 (ja) 1997-12-17 1997-12-17 筒内噴射式エンジンの燃焼室構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34766097A JP3781537B2 (ja) 1997-12-17 1997-12-17 筒内噴射式エンジンの燃焼室構造

Publications (3)

Publication Number Publication Date
JPH11182248A JPH11182248A (ja) 1999-07-06
JPH11182248A5 JPH11182248A5 (enExample) 2005-06-23
JP3781537B2 true JP3781537B2 (ja) 2006-05-31

Family

ID=18391732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34766097A Expired - Fee Related JP3781537B2 (ja) 1997-12-17 1997-12-17 筒内噴射式エンジンの燃焼室構造

Country Status (1)

Country Link
JP (1) JP3781537B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006072983A1 (ja) * 2005-01-06 2006-07-13 Mitsubishi Jidosha Kogyo Kabushiki Kaisha 筒内噴射型火花点火式内燃機関
JP2013072321A (ja) * 2011-09-27 2013-04-22 Toyota Motor Corp 内燃機関
JP6566000B2 (ja) 2017-06-02 2019-08-28 マツダ株式会社 エンジン
JP6627844B2 (ja) * 2017-10-24 2020-01-08 マツダ株式会社 エンジン
JP6565999B2 (ja) 2017-06-02 2019-08-28 マツダ株式会社 エンジン
CN110719990A (zh) 2017-06-02 2020-01-21 马自达汽车株式会社 发动机的燃烧室结构
EP3617470A1 (en) 2017-06-02 2020-03-04 Mazda Motor Corporation Combustion chamber structure for engines

Also Published As

Publication number Publication date
JPH11182248A (ja) 1999-07-06

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