JPS6032929A - 直噴式内燃機関の燃焼室 - Google Patents

直噴式内燃機関の燃焼室

Info

Publication number
JPS6032929A
JPS6032929A JP58141101A JP14110183A JPS6032929A JP S6032929 A JPS6032929 A JP S6032929A JP 58141101 A JP58141101 A JP 58141101A JP 14110183 A JP14110183 A JP 14110183A JP S6032929 A JPS6032929 A JP S6032929A
Authority
JP
Japan
Prior art keywords
combustion chamber
recess
piston
direct
combustion engine
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.)
Granted
Application number
JP58141101A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0147606B2 (fr
Inventor
Ryoichi Ohashi
大橋　良一
Hitoshi Inaba
均 稲葉
Takashi Sasaki
孝志 佐々木
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.)
Yanmar Co Ltd
Original Assignee
Yanmar Diesel Engine 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
Application filed by Yanmar Diesel Engine Co Ltd filed Critical Yanmar Diesel Engine Co Ltd
Priority to JP58141101A priority Critical patent/JPS6032929A/ja
Publication of JPS6032929A publication Critical patent/JPS6032929A/ja
Publication of JPH0147606B2 publication Critical patent/JPH0147606B2/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
    • F02B23/06—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
    • 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
    • F02B23/0645—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
    • F02B23/0672—Omega-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 center 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
    • 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
    • F02B23/0618—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
    • F02B23/0624—Swirl 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
    • 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)
JP58141101A 1983-08-03 1983-08-03 直噴式内燃機関の燃焼室 Granted JPS6032929A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58141101A JPS6032929A (ja) 1983-08-03 1983-08-03 直噴式内燃機関の燃焼室

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58141101A JPS6032929A (ja) 1983-08-03 1983-08-03 直噴式内燃機関の燃焼室

Publications (2)

Publication Number Publication Date
JPS6032929A true JPS6032929A (ja) 1985-02-20
JPH0147606B2 JPH0147606B2 (fr) 1989-10-16

Family

ID=15284208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58141101A Granted JPS6032929A (ja) 1983-08-03 1983-08-03 直噴式内燃機関の燃焼室

Country Status (1)

Country Link
JP (1) JPS6032929A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214423U (fr) * 1988-07-11 1990-01-30
JPH0387823U (fr) * 1989-12-21 1991-09-06
US6732703B2 (en) 2002-06-11 2004-05-11 Cummins Inc. Internal combustion engine producing low emissions
EP1528233A1 (fr) * 2003-11-03 2005-05-04 Renault s.a.s. Piston pour chambre de combustion destinée à réduire les émissions de suies
US7210448B2 (en) 2002-06-11 2007-05-01 Cummins, Inc. Internal combustion engine producing low emissions
US8677970B2 (en) 2011-03-17 2014-03-25 Cummins Intellectual Property, Inc. Piston for internal combustion engine
WO2018168692A1 (fr) * 2017-03-17 2018-09-20 マツダ株式会社 Moteur diesel

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214423U (fr) * 1988-07-11 1990-01-30
JPH0387823U (fr) * 1989-12-21 1991-09-06
US6732703B2 (en) 2002-06-11 2004-05-11 Cummins Inc. Internal combustion engine producing low emissions
US6966294B2 (en) 2002-06-11 2005-11-22 Cummins Inc. Internal combustion engine producing low emissions
US7210448B2 (en) 2002-06-11 2007-05-01 Cummins, Inc. Internal combustion engine producing low emissions
EP1528233A1 (fr) * 2003-11-03 2005-05-04 Renault s.a.s. Piston pour chambre de combustion destinée à réduire les émissions de suies
FR2861809A1 (fr) * 2003-11-03 2005-05-06 Renault Sas Piston pour chambre de combustion destinee a reduire les emissions de suies
US8677970B2 (en) 2011-03-17 2014-03-25 Cummins Intellectual Property, Inc. Piston for internal combustion engine
USRE46806E1 (en) 2011-03-17 2018-04-24 Cummins Intellectual Property, Inc. Piston for internal combustion engine
WO2018168692A1 (fr) * 2017-03-17 2018-09-20 マツダ株式会社 Moteur diesel

Also Published As

Publication number Publication date
JPH0147606B2 (fr) 1989-10-16

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