DE102008015744A1 - Internal combustion engine and method for operating the same - Google Patents
Internal combustion engine and method for operating the same Download PDFInfo
- Publication number
- DE102008015744A1 DE102008015744A1 DE102008015744A DE102008015744A DE102008015744A1 DE 102008015744 A1 DE102008015744 A1 DE 102008015744A1 DE 102008015744 A DE102008015744 A DE 102008015744A DE 102008015744 A DE102008015744 A DE 102008015744A DE 102008015744 A1 DE102008015744 A1 DE 102008015744A1
- Authority
- DE
- Germany
- Prior art keywords
- fuel gas
- antechamber
- nozzle
- air mixture
- prechamber
- 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
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
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/12—Engines characterised by precombustion chambers with positive ignition
-
- 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
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
- F02B19/18—Transfer passages between chamber and cylinder
-
- 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
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
- F02B47/08—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
-
- 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
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Die Erfindung betrifft eine Brennkraftmaschine, insbesondere einen Otto-Gasmotor, für Brenngas, mit einer Hauptbrennkammer (2) und einer von der Hauptbrennkammer (2) abgeteilten Vorkammer (4), wobei die Vorkammer (4) über mindestens eine Öffnung (5) mit der Hauptbrennkammer (2) verbunden ist, wobei in die Vorkammer (4) eine an eine Hochdruck-Brenngas-Leitung angeschlossene Brenngasdüse (7) mündet, um Brenngas in die Vorkammer (4) unter hohem Druck einzubringen und mit einem in der Vorkammer (4) befindlichen, mageren Brenngas-Luft-Gemisch zu vermischen, und mit einer in die Vorkammer (4) hineinragenden Zündeinrichtung (6), um das so angereicherte Brenngas-Luft-Gemisch zu entzünden. Erfindungsgemäß mündet in die Vorkammer (4) mindestens eine Düse (9, 10), um Luft und/oder Abgas in die Vorkammer (4) vor dem Einleiten des Brenngases über die Brenngasdüse (7) derart einzubringen und mit einem in der Vorkammer befindlichen, mageren Brenngas-Luft-Gemisch zu vermischen, dass vor dem Einleiten des Brenngases über die Brenngasdüse (7) ein definiert nicht zündendes Brenngas-Luft-Gemisch und erst nach dem Einbringen des Brenngases über die Brenngasdüse (7) ein definiert zündendes Brenngas-Luft-Gemisch in der Vorkammer (4) vorliegt.The invention relates to an internal combustion engine, in particular an Otto gas engine, for fuel gas, with a main combustion chamber (2) and one of the main combustion chamber (2) divided prechamber (4), wherein the prechamber (4) via at least one opening (5) with the Main combustion chamber (2) is connected, wherein in the antechamber (4) connected to a high pressure fuel gas line fuel gas nozzle (7) opens to introduce fuel gas into the prechamber (4) under high pressure and with a in the prechamber (4) to be mixed, located lean combustion gas-air mixture, and with a in the antechamber (4) projecting ignition device (6) to ignite the thus enriched fuel gas-air mixture. According to the invention, at least one nozzle (9, 10) opens into the prechamber (4) in such a way as to introduce air and / or exhaust gas into the prechamber (4) before introducing the fuel gas via the fuel gas nozzle (7) and with one located in the prechamber, To mix lean fuel gas and air mixture that before the introduction of the fuel gas via the fuel gas nozzle (7) a defined non-igniting fuel gas-air mixture and only after the introduction of the fuel gas via the fuel gas nozzle (7) a defined igniting fuel gas air Mixture in the pre-chamber (4) is present.
Description
Die Erfindung betrifft eine Brennkraftmaschine nach dem Oberbegriff des Anspruchs 1. Weiterhin betrifft die Erfindung ein Verfahren zum Betreiben einer Brennkraftmaschine nach dem Oberbegriff des Anspruchs 5.The The invention relates to an internal combustion engine according to the preamble of claim 1. Furthermore, the invention relates to a method for operating an internal combustion engine according to the preamble of the claim 5th
Aus
der
Unter gewissen Betriebsbedingungen kann sich, insbesondere bei Verwendung von Methan als Brenngas, in der Vorkammer eine unkontrollierte Frühzündung ausbilden. Dies ist von Nachteil. Es besteht daher ein Bedarf an einer Brennkraftmaschine und an einem Verfahren zum Betreiben derselben, mit welcher bzw. mit welchem Frühzündungen in der Vorkammer sicher vermieden werden können.Under certain operating conditions may be, especially when using of methane as fuel gas, in the antechamber an uncontrolled pre-ignition form. This is a disadvantage. There is therefore a need for an internal combustion engine and a method for operating the same, with which or with which pre-ignition in the antechamber can be safely avoided.
Hiervon ausgehend liegt der vorliegenden Erfindung das Problem zugrunde, eine neuartige Brennkraftmaschine sowie ein Verfahren zum Betreiben derselben zu schaffen.Of these, Based on the present invention, the problem is based a novel internal combustion engine and a method of operation to create the same.
Dieses Problem wird durch eine Brennkraftmaschine gemäß Anspruch 1 gelöst. Erfindungsgemäß mündet in die Vorkammer mindestens eine Düse, um Luft und/oder Abgas in die Vorkammer vor dem Einleiten des Brenngases über die Brenngasdüse derart einzubringen und mit einem in der Vorkammer befindlichen, mageren Brenngas-Luft-Gemisch zu vermischen, dass vor dem Einleiten des Brenngases über die Brenngasdüse ein definiert nicht zündendes Brenngas-Luft-Gemisch und erst nach dem Einbringen des Brenngases über die Brenngasdüse ein definiert zündendes Brenngas-Luft-Gemisch in der Vorkammer vorliegt.This Problem is solved by an internal combustion engine according to claim 1 solved. According to the invention opens in the antechamber at least one nozzle to air and / or Exhaust gas in the prechamber before the introduction of the fuel gas over to introduce the fuel gas nozzle in such a way and with a in the Pre-chamber located to mix lean fuel gas and air mixture, that before introducing the fuel gas via the fuel gas nozzle a defined non-igniting fuel gas-air mixture and only after the introduction of the fuel gas via the fuel gas nozzle defines igniting fuel gas-air mixture in the antechamber is present.
Bei der erfindungsgemäßen Brennkraftmaschine wird Luft und/oder Abgas definiert in die Vorkammer eingeleitet, und zwar vor dem Einleiten des Brenngases über die Brenngasdüse, um so in der Vorkammer vor dem Einleiten des Brenngases über die Brenngasdüse ein definiert nicht zündendes Brenngas-Luft-Gemisch bereitzustellen. Erst nach dem Einbringen des Brenngases über die Brenngasdüse liegt in der Vorkammer ein definiert zündendes Brenngas-Luft-Gemisch vor. Hierdurch können Fehlzündungen in der Vorkammer sicher vermieden werden. Weitere Vorteile liegen darin, dass die Lebensdauer der Zündeinrichtung sowie eine höhere Lastaufschaltung gewährleistet werden kann.at the internal combustion engine according to the invention is Air and / or exhaust defined in the antechamber, and although before the introduction of the fuel gas via the fuel gas nozzle, so in the antechamber before the introduction of the fuel gas over the Fuel gas nozzle a defined non-igniting fuel gas-air mixture provide. Only after the introduction of the fuel gas over the fuel gas nozzle is in the antechamber a defined igniting fuel gas-air mixture in front. This can cause misfires in the antechamber safely avoided. Other advantages are that the Lifespan of the ignition device and a higher load connection can be guaranteed.
Das erfindungsgemäße Verfahren zum Betreiben einer Brennkraftmaschine ist in Anspruch 5 definiert.The inventive method for operating a Internal combustion engine is defined in claim 5.
Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ausführungsbeispiele der Erfindung werden, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert. Dabei zeigt:preferred Further developments of the invention will become apparent from the dependent claims and the description below. Embodiments of the Invention are provided without being limited thereto explained in detail the drawing. Showing:
In
die Vorkammer
Das
so angereicherte Brenngas-Luft-Gemisch kann dann, wenn sich dasselbe
in einem Bereich
Erfindungsgemäß mündet
in die Vorkammer
Durch
das definierte Einbringen von Luft und/oder Abgas in die Vorkammer
Nach
einer ersten vorteilhaften Weiterbildung der Erfindung mündet
in die Vorkammer
Im
Unterschied hierzu ist es auch möglich, für das
Einleiten von Luft oder Abgas oder eines Abgas-Luft-Gemischs in
die Vorkammer
Es
liegt demnach im Sinne der hier vorliegenden Erfindung Luft und/oder
Abgas in die Vorkammer
- 11
- Zylinderkopfcylinder head
- 22
- Hauptbrennkammermain combustion chamber
- 33
- Einsatzcommitment
- 44
- Vorbrennkammerpre-combustion chamber
- 55
- Öffnungopening
- 66
- Zündeinrichtungignition device
- 77
- Brenngasdüsefuel gas nozzle
- 88th
- BereichArea
- 99
- Düsejet
- 1010
- Düsejet
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10217996 A1 [0002] - DE 10217996 A1 [0002]
Claims (5)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008015744A DE102008015744B4 (en) | 2008-03-26 | 2008-03-26 | Internal combustion engine and method for operating the same |
KR1020090006935A KR20090102631A (en) | 2008-03-26 | 2009-01-29 | Internal combustion engine and method for operating the same |
JP2009053836A JP2009236111A (en) | 2008-03-26 | 2009-03-06 | Internal combustion engine and its operating method |
FI20095248A FI20095248A (en) | 2008-03-26 | 2009-03-11 | Internal combustion engine and method of operating it |
CN200910130247A CN101545397A (en) | 2008-03-26 | 2009-03-26 | Internal combustion engine and method for operating an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008015744A DE102008015744B4 (en) | 2008-03-26 | 2008-03-26 | Internal combustion engine and method for operating the same |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102008015744A1 true DE102008015744A1 (en) | 2009-10-08 |
DE102008015744B4 DE102008015744B4 (en) | 2010-04-01 |
Family
ID=40510246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008015744A Expired - Fee Related DE102008015744B4 (en) | 2008-03-26 | 2008-03-26 | Internal combustion engine and method for operating the same |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2009236111A (en) |
KR (1) | KR20090102631A (en) |
CN (1) | CN101545397A (en) |
DE (1) | DE102008015744B4 (en) |
FI (1) | FI20095248A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011127494A1 (en) | 2010-04-14 | 2011-10-20 | Ge Jenbacher Gmbh & Co Ohg | Method for operating an internal combustion engine |
WO2012021914A1 (en) | 2010-08-20 | 2012-02-23 | Ge Jenbacher Gmbh & Co Ohg | Prechamber system |
AT13417U1 (en) * | 2012-09-26 | 2013-12-15 | Ge Jenbacher Gmbh & Co Og | Method for operating an internal combustion engine |
WO2014114846A1 (en) * | 2013-01-22 | 2014-07-31 | Wärtsilä Finland Oy | Method for operating piston engine and piston engine |
DE102017009613A1 (en) | 2017-10-17 | 2018-04-19 | Daimler Ag | Method for operating an internal combustion engine of a motor vehicle, in particular of a motor vehicle |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT511351B1 (en) * | 2011-10-19 | 2012-11-15 | Ge Jenbacher Gmbh & Co Ohg | METHOD FOR OPERATING AT LEAST ONE PRE-CHAMBER IGNITION ENGINE |
CN103423050A (en) * | 2012-05-22 | 2013-12-04 | 广西玉柴机器股份有限公司 | Ignition device of natural gas engine |
AT512532B1 (en) * | 2012-09-26 | 2013-09-15 | Ge Jenbacher Gmbh & Co Og | Pre-chamber system for an internal combustion engine |
CN103216316B (en) * | 2013-04-28 | 2015-04-15 | 清华大学 | Low-temperature combustion method of internal-combustion engine with fuel reformation inside cylinders and system |
CN103758630B (en) * | 2014-01-03 | 2016-02-24 | 清华大学 | The combustion system of natural gas engine and natural gas engine |
DE102016206856A1 (en) * | 2016-04-22 | 2017-10-26 | Man Diesel & Turbo Se | Method and control device for operating a gas engine |
CN107091145A (en) * | 2017-06-07 | 2017-08-25 | 哈尔滨工程大学 | A kind of precombustion chamber of marine large-diameter gas engine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2924926C2 (en) * | 1978-06-22 | 1983-03-17 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Diesel engine with an auxiliary chamber |
JP2002266643A (en) * | 2001-03-13 | 2002-09-18 | Osaka Gas Co Ltd | Engine, its operating method and auxiliary combustion chamber mechanism |
DE10217996A1 (en) | 2002-04-23 | 2003-11-13 | Man B & W Diesel Ag | Self-igniting mixture-compressing internal combustion engine and method for its operation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3257374B2 (en) * | 1995-08-31 | 2002-02-18 | 三菱自動車工業株式会社 | Sub-chamber engine with exhaust gas recirculation system |
JP2007085181A (en) * | 2005-09-20 | 2007-04-05 | Nissan Motor Co Ltd | Indirect injection internal combustion engine |
JP2007198140A (en) * | 2006-01-23 | 2007-08-09 | Nissan Motor Co Ltd | Auxiliary chamber type internal combustion engine |
-
2008
- 2008-03-26 DE DE102008015744A patent/DE102008015744B4/en not_active Expired - Fee Related
-
2009
- 2009-01-29 KR KR1020090006935A patent/KR20090102631A/en not_active Application Discontinuation
- 2009-03-06 JP JP2009053836A patent/JP2009236111A/en active Pending
- 2009-03-11 FI FI20095248A patent/FI20095248A/en not_active IP Right Cessation
- 2009-03-26 CN CN200910130247A patent/CN101545397A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2924926C2 (en) * | 1978-06-22 | 1983-03-17 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Diesel engine with an auxiliary chamber |
JP2002266643A (en) * | 2001-03-13 | 2002-09-18 | Osaka Gas Co Ltd | Engine, its operating method and auxiliary combustion chamber mechanism |
DE10217996A1 (en) | 2002-04-23 | 2003-11-13 | Man B & W Diesel Ag | Self-igniting mixture-compressing internal combustion engine and method for its operation |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011127494A1 (en) | 2010-04-14 | 2011-10-20 | Ge Jenbacher Gmbh & Co Ohg | Method for operating an internal combustion engine |
WO2012021914A1 (en) | 2010-08-20 | 2012-02-23 | Ge Jenbacher Gmbh & Co Ohg | Prechamber system |
AT13417U1 (en) * | 2012-09-26 | 2013-12-15 | Ge Jenbacher Gmbh & Co Og | Method for operating an internal combustion engine |
WO2014114846A1 (en) * | 2013-01-22 | 2014-07-31 | Wärtsilä Finland Oy | Method for operating piston engine and piston engine |
DE102017009613A1 (en) | 2017-10-17 | 2018-04-19 | Daimler Ag | Method for operating an internal combustion engine of a motor vehicle, in particular of a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE102008015744B4 (en) | 2010-04-01 |
FI20095248A0 (en) | 2009-03-11 |
KR20090102631A (en) | 2009-09-30 |
JP2009236111A (en) | 2009-10-15 |
FI20095248A (en) | 2009-09-27 |
CN101545397A (en) | 2009-09-30 |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MAN DIESEL & TURBO SE, 86153 AUGSBURG, DE |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20131001 |