DE3025943C2 - Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde - Google Patents

Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde

Info

Publication number
DE3025943C2
DE3025943C2 DE3025943A DE3025943A DE3025943C2 DE 3025943 C2 DE3025943 C2 DE 3025943C2 DE 3025943 A DE3025943 A DE 3025943A DE 3025943 A DE3025943 A DE 3025943A DE 3025943 C2 DE3025943 C2 DE 3025943C2
Authority
DE
Germany
Prior art keywords
piston
piston bowl
combustion engine
internal combustion
annular bead
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
DE3025943A
Other languages
German (de)
English (en)
Other versions
DE3025943A1 (de
Inventor
Wilhelm 7000 Stuttgart Wagner
Gerhard Dipl.-Ing. 7560 Gaggenau Wolters
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE3025943A priority Critical patent/DE3025943C2/de
Priority to IT48794/81A priority patent/IT1171348B/it
Priority to GB8120660A priority patent/GB2079371B/en
Priority to JP10457481A priority patent/JPS5738615A/ja
Priority to US06/281,028 priority patent/US4392465A/en
Priority to FR8113330A priority patent/FR2486587B1/fr
Priority to SE8104255A priority patent/SE448642B/sv
Publication of DE3025943A1 publication Critical patent/DE3025943A1/de
Application granted granted Critical
Publication of DE3025943C2 publication Critical patent/DE3025943C2/de
Expired 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
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/066—Details related to the fuel injector or the fuel spray the injector being located substantially off-set from 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
    • 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
    • F02B23/0636—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 the combustion space having a substantially flat and horizontal bottom
    • 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
    • F02B23/0678—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
    • F02B23/0693—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 the combustion space consisting of step-wise widened multiple zones of different depth
    • 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
    • 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
    • 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)
DE3025943A 1980-07-09 1980-07-09 Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde Expired DE3025943C2 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE3025943A DE3025943C2 (de) 1980-07-09 1980-07-09 Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde
IT48794/81A IT1171348B (it) 1980-07-09 1981-06-30 Motore a combustione interna ad autoaccensione con cavita' di fistone a simmetria di rotazione
GB8120660A GB2079371B (en) 1980-07-09 1981-07-03 Compression ignition engine having a rotationally symmetrical piston combustion chamber
JP10457481A JPS5738615A (en) 1980-07-09 1981-07-06 Self-ignition internal combustion engine with piston recess symmetrical of rotation
US06/281,028 US4392465A (en) 1980-07-09 1981-07-07 Self-igniting internal combustion engine with a rotationally symmetrical piston trough
FR8113330A FR2486587B1 (fr) 1980-07-09 1981-07-07 Moteur a combustion interne a allumage par compression du type muni dans la tete de piston d'une cuvette de piston de forme correspondant a celle d'un corps de revolution
SE8104255A SE448642B (sv) 1980-07-09 1981-07-08 Kolv till forbrenningsmotor av dieseltyp med en rotationssymmetrisk fordjupning med vulst i toppen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3025943A DE3025943C2 (de) 1980-07-09 1980-07-09 Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde

Publications (2)

Publication Number Publication Date
DE3025943A1 DE3025943A1 (de) 1982-02-04
DE3025943C2 true DE3025943C2 (de) 1983-03-17

Family

ID=6106758

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3025943A Expired DE3025943C2 (de) 1980-07-09 1980-07-09 Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde

Country Status (2)

Country Link
JP (1) JPS5738615A (enrdf_load_html_response)
DE (1) DE3025943C2 (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979029A (ja) * 1982-10-28 1984-05-08 Hino Motors Ltd 内燃機関の燃焼室
JPH0216032Y2 (enrdf_load_html_response) * 1984-11-13 1990-05-01
JPH0238028Y2 (enrdf_load_html_response) * 1984-11-13 1990-10-15
JPH01131823U (enrdf_load_html_response) * 1988-03-02 1989-09-07
US9429101B2 (en) * 2013-08-21 2016-08-30 Caterpillar Inc. Combustion engine piston and engine using same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095583A (enrdf_load_html_response) *
DE1032597B (de) * 1955-05-13 1958-06-19 Luebecker Maschb Ag Einspritz-Brennkraftmaschine mit im Kolben liegendem Verbrennungsraum
DE1751800A1 (de) * 1968-07-31 1971-08-12 Daimler Benz Ag Kolbenbrennkraftmaschine mit Kraftstoffeinspritzung
GB1540457A (en) * 1976-09-23 1979-02-14 Lister & Co Ltd R Piston for an internal combustion engine
DE2815717A1 (de) * 1977-04-29 1978-11-02 List Hans Luftverdichtende, direkt einspritzende brennkraftmaschine
JPS6056893B2 (ja) * 1977-12-09 1985-12-12 いすゞ自動車株式会社 燃焼室

Also Published As

Publication number Publication date
DE3025943A1 (de) 1982-02-04
JPS6229611B2 (enrdf_load_html_response) 1987-06-26
JPS5738615A (en) 1982-03-03

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