DE3874012D1 - Brennkammer in einem dieselmotor der direkteinspritzungsbauart. - Google Patents

Brennkammer in einem dieselmotor der direkteinspritzungsbauart.

Info

Publication number
DE3874012D1
DE3874012D1 DE8888108986T DE3874012T DE3874012D1 DE 3874012 D1 DE3874012 D1 DE 3874012D1 DE 8888108986 T DE8888108986 T DE 8888108986T DE 3874012 T DE3874012 T DE 3874012T DE 3874012 D1 DE3874012 D1 DE 3874012D1
Authority
DE
Germany
Prior art keywords
combustion chamber
direct injection
injection type
type engine
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.)
Expired - Lifetime
Application number
DE8888108986T
Other languages
English (en)
Other versions
DE3874012T2 (de
Inventor
Ichiro Toyota Jidosha K Sakata
Kazuyoshi Toyota Jido Ishisaka
Takanori Toyota Jidosha K Ueda
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 JP62141450A external-priority patent/JP2594054B2/ja
Priority claimed from JP18293787U external-priority patent/JPH0188026U/ja
Priority claimed from JP63014613A external-priority patent/JP2650294B2/ja
Priority claimed from JP63017264A external-priority patent/JPH0826771B2/ja
Priority claimed from JP1744488U external-priority patent/JPH01124039U/ja
Priority claimed from JP4528888U external-priority patent/JPH01149529U/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Application granted granted Critical
Publication of DE3874012D1 publication Critical patent/DE3874012D1/de
Publication of DE3874012T2 publication Critical patent/DE3874012T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02B23/0672—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
    • 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
    • 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
    • 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
    • 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
DE8888108986T 1987-06-08 1988-06-06 Brennkammer in einem dieselmotor der direkteinspritzungsbauart. Expired - Lifetime DE3874012T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62141450A JP2594054B2 (ja) 1987-06-08 1987-06-08 直噴式ディーゼル機関
JP18293787U JPH0188026U (de) 1987-12-02 1987-12-02
JP63014613A JP2650294B2 (ja) 1988-01-27 1988-01-27 直噴式ディーゼル機関の燃焼室
JP63017264A JPH0826771B2 (ja) 1988-01-29 1988-01-29 直噴式ディーゼル機関
JP1744488U JPH01124039U (de) 1988-02-15 1988-02-15
JP4528888U JPH01149529U (de) 1988-04-05 1988-04-05

Publications (2)

Publication Number Publication Date
DE3874012D1 true DE3874012D1 (de) 1992-10-01
DE3874012T2 DE3874012T2 (de) 1993-01-14

Family

ID=27548525

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888108986T Expired - Lifetime DE3874012T2 (de) 1987-06-08 1988-06-06 Brennkammer in einem dieselmotor der direkteinspritzungsbauart.

Country Status (2)

Country Link
EP (1) EP0295520B1 (de)
DE (1) DE3874012T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2501886Y2 (ja) * 1989-12-21 1996-06-19 トヨタ自動車株式会社 直噴式ディ―ゼル機関の燃焼室
JPH07150944A (ja) * 1993-12-02 1995-06-13 Toyota Motor Corp 直噴式ディーゼルエンジンの燃焼室構造
JPH1082323A (ja) * 1996-09-06 1998-03-31 Mitsubishi Motors Corp ディーゼルエンジンの燃焼室
DE69717151D1 (de) * 1996-12-16 2002-12-19 Perkins Engines Co Ltd Hubkolben für brennkraftmaschine mit brennkammer
JP4456968B2 (ja) * 2003-12-01 2010-04-28 株式会社小松製作所 燃料直接噴射式ディーゼルエンジン
KR101130637B1 (ko) 2003-12-01 2012-04-02 가부시키가이샤 고마쓰 세이사쿠쇼 연료 직접 분사식 디젤 엔진
FR2879247A1 (fr) * 2004-12-13 2006-06-16 Renault Sas Chambre de combustion de moteur et piston de moteur a combustion interne permettant un large phasage d'injection dans le cycle
US8978621B2 (en) * 2010-04-20 2015-03-17 Caterpillar Inc. Piston having combustion bowl shaped to balance combustion efficiency and emission properties

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE327998C (de) * 1920-10-22 Theodor Mueller Stangenverbindung
DE2739419C2 (de) * 1976-09-02 1983-03-31 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Brennraum im Kolben einer luftverdichtenden selbstzündenden Brennkraftmaschine
DE2949596A1 (de) * 1979-12-10 1981-06-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Luftverdichtende, direkteinspritzende brennkraftmaschine
JPS56106024A (en) * 1980-01-26 1981-08-24 Hino Motors Ltd Combustion chamber for direct-injection type diesel engine
GB2097472B (en) * 1980-09-29 1985-05-22 Tsni Dizelny Inst Internal combustion engine
US4538566A (en) * 1982-04-23 1985-09-03 Hino Jidosha Kogyo Kabushiki Kaisha Combustion chamber in a diesel engine
JPS5956324U (ja) * 1982-10-07 1984-04-12 日産自動車株式会社 直接噴射式デイ−ゼルエンジン
GB2173254B (en) * 1984-02-15 1988-04-07 Mitsubishi Motors Corp Combustion chamber structure for diesel engines
JPS60190935U (ja) * 1984-05-28 1985-12-18 三菱自動車工業株式会社 デイ−ゼルエンジンの燃焼室構造
JPS63134813A (ja) * 1986-11-25 1988-06-07 Isuzu Motors Ltd 内燃機関の燃焼室

Also Published As

Publication number Publication date
DE3874012T2 (de) 1993-01-14
EP0295520A2 (de) 1988-12-21
EP0295520B1 (de) 1992-08-26
EP0295520A3 (en) 1990-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition