DE3115933C2 - Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde - Google Patents
Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen KolbenmuldeInfo
- Publication number
- DE3115933C2 DE3115933C2 DE3115933A DE3115933A DE3115933C2 DE 3115933 C2 DE3115933 C2 DE 3115933C2 DE 3115933 A DE3115933 A DE 3115933A DE 3115933 A DE3115933 A DE 3115933A DE 3115933 C2 DE3115933 C2 DE 3115933C2
- Authority
- DE
- Germany
- Prior art keywords
- piston
- fuel
- inlet opening
- side wall
- wall
- 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
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
- F02B23/0678—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
- 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
- F02B23/066—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
- F02B23/0645—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
- 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
- F02B23/0618—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
- 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)
- Fuel-Injection Apparatus (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Description
Brennkraftmaschine mit einer rotationssymmetrischen Der dargestellte Kolben 1 in F i g. 1 und 2 weist in
Claims (1)
messer der Kolbenmulde ist, mit einer wandbenet- Es ist festgestellt worden, daß trotz einer schräg nach
ehe des Durchmessers der Eintrittsöffnung (10); Ferner ist aus der DE-OS 14 51 636 eine Kolbenmul-
ständig umlaufenden Bund (20) aufweist, wobei an Anhand eines in der Zeichnung dargestellten Ausfüh-
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3115933A DE3115933C2 (de) | 1981-04-22 | 1981-04-22 | 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 |
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 |
---|---|---|---|
DE3115933A DE3115933C2 (de) | 1981-04-22 | 1981-04-22 | Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3115933A1 DE3115933A1 (de) | 1982-11-04 |
DE3115933C2 true DE3115933C2 (de) | 1986-10-23 |
Family
ID=6130558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3115933A Expired DE3115933C2 (de) | 1980-07-09 | 1981-04-22 | Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3115933C2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012103193B4 (de) | 2012-04-13 | 2018-05-30 | Caterpillar Energy Solutions Gmbh | Verwendung eines Kolbens für einen Otto-Motor mit externer Gemischbildung und Otto-Motor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858814A (en) * | 1957-07-29 | 1958-11-04 | Maschf Augsburg Nuernberg Ag | Fuel injection engine |
DE1451636A1 (de) * | 1963-09-21 | 1969-07-10 | Daimler Benz Ag | Dieselmotor,insbesondere Viertaktmotor fuer Kraftfahrzeuge |
DE1751800A1 (de) * | 1968-07-31 | 1971-08-12 | Daimler Benz Ag | Kolbenbrennkraftmaschine mit Kraftstoffeinspritzung |
-
1981
- 1981-04-22 DE DE3115933A patent/DE3115933C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3115933A1 (de) | 1982-11-04 |
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Legal Events
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8330 | Complete disclaimer |