DE69709806T2 - Brennkammer einer Dieselbrennkraftmaschine - Google Patents

Brennkammer einer Dieselbrennkraftmaschine

Info

Publication number
DE69709806T2
DE69709806T2 DE69709806T DE69709806T DE69709806T2 DE 69709806 T2 DE69709806 T2 DE 69709806T2 DE 69709806 T DE69709806 T DE 69709806T DE 69709806 T DE69709806 T DE 69709806T DE 69709806 T2 DE69709806 T2 DE 69709806T2
Authority
DE
Germany
Prior art keywords
combustion chamber
diesel engine
diesel
engine
combustion
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
DE69709806T
Other languages
English (en)
Other versions
DE69709806D1 (de
Inventor
Tomohiro Ohashi
Atsuo Sato
Tetsuya Watanabe
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors 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
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of DE69709806D1 publication Critical patent/DE69709806D1/de
Application granted granted Critical
Publication of DE69709806T2 publication Critical patent/DE69709806T2/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
    • 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
    • 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
    • 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
    • F02B23/0621—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
    • F02B23/0618—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
    • 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)
DE69709806T 1996-09-06 1997-09-05 Brennkammer einer Dieselbrennkraftmaschine Expired - Lifetime DE69709806T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8257417A JPH1082323A (ja) 1996-09-06 1996-09-06 ディーゼルエンジンの燃焼室

Publications (2)

Publication Number Publication Date
DE69709806D1 DE69709806D1 (de) 2002-02-28
DE69709806T2 true DE69709806T2 (de) 2002-08-29

Family

ID=17306090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709806T Expired - Lifetime DE69709806T2 (de) 1996-09-06 1997-09-05 Brennkammer einer Dieselbrennkraftmaschine

Country Status (4)

Country Link
EP (1) EP0828066B1 (de)
JP (1) JPH1082323A (de)
KR (1) KR100289775B1 (de)
DE (1) DE69709806T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030030247A (ko) * 2001-10-09 2003-04-18 현대자동차주식회사 직접 분사식 디젤엔진의 연소실 구조
KR20030043373A (ko) * 2001-11-28 2003-06-02 현대자동차주식회사 도우넛 형상의 연소실을 갖는 직접 분사 디젤 엔진용피스톤
CN1320262C (zh) * 2003-08-06 2007-06-06 大连理工大学 内燃机喷雾导向系统
US9267422B2 (en) * 2011-10-17 2016-02-23 GM Global Technology Operations LLC Combustion system for an engine having multiple fuel spray induced vortices
US10876495B2 (en) 2018-10-11 2020-12-29 Caterpillar Inc. Piston design for splitting jets into streams

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226824B (de) * 1956-08-07 1966-10-13 Josef Effenberger Dipl Ing Dieselmaschine
JPS5726027Y2 (de) * 1976-10-18 1982-06-07
DE3245780C1 (de) * 1982-12-10 1983-12-29 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Fremdgezuendete,Iuftverdichtende Brennkraftmaschine
JPH0635828B2 (ja) * 1983-06-30 1994-05-11 いすゞ自動車株式会社 直接噴射式デイ−ゼル機関の燃焼室構造
GB2173254B (en) * 1984-02-15 1988-04-07 Mitsubishi Motors Corp Combustion chamber structure for diesel engines
DE3874012T2 (de) * 1987-06-08 1993-01-14 Toyota Motor Co Ltd Brennkammer in einem dieselmotor der direkteinspritzungsbauart.
JPH01116219A (ja) * 1987-10-28 1989-05-09 Mazda Motor Corp 直噴式エンジン
KR930003083B1 (ko) * 1990-08-30 1993-04-17 한국과학기술연구원 내연기관의 연소실
JPH04276125A (ja) * 1991-02-28 1992-10-01 Hino Motors Ltd ディーゼルエンジンのピストン
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
JPH0849545A (ja) * 1994-08-05 1996-02-20 Mitsubishi Heavy Ind Ltd ディーゼルエンジンの燃焼室

Also Published As

Publication number Publication date
KR19980024402A (ko) 1998-07-06
KR100289775B1 (ko) 2001-09-17
DE69709806D1 (de) 2002-02-28
EP0828066B1 (de) 2002-01-02
EP0828066A1 (de) 1998-03-11
JPH1082323A (ja) 1998-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition