DE3913665A1 - Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug - Google Patents

Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug

Info

Publication number
DE3913665A1
DE3913665A1 DE3913665A DE3913665A DE3913665A1 DE 3913665 A1 DE3913665 A1 DE 3913665A1 DE 3913665 A DE3913665 A DE 3913665A DE 3913665 A DE3913665 A DE 3913665A DE 3913665 A1 DE3913665 A1 DE 3913665A1
Authority
DE
Germany
Prior art keywords
prechamber
combustion chamber
housing
flange
spark plug
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.)
Withdrawn
Application number
DE3913665A
Other languages
German (de)
Inventor
Hans-Juergen Dipl Schollmeyer
Hans Dipl Ing Wackertapp
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.)
EON Ruhrgas AG
Original Assignee
Ruhrgas 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 Ruhrgas AG filed Critical Ruhrgas AG
Priority to DE3913665A priority Critical patent/DE3913665A1/en
Publication of DE3913665A1 publication Critical patent/DE3913665A1/en
Withdrawn legal-status Critical Current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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/12—Engines characterised by precombustion chambers with positive ignition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/02—Details
    • H01T13/08—Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/54—Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
    • 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

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  • 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)

Abstract

The precombustion chamber housing (2) is provided with a flange (6) at the sparking plug side. A sleeve (7) for cooling air surrounding the sparking plug (1) seats on the flange (6) of the precombustion chamber housing (2). An annular duct (10) for cooling liquid is designed in the flange (6) of the precombustion chamber housing (2). The precombustion chamber housing (2) has a duct (13) led outwards through the flange (6), for a pilot fuel or mixture. USE - For gas engine or other IC engine.

Description

Die Erfindung betrifft eine Vorkammer-Zündeinrichtung zum Ein­ setzen in eine Wandung eines Hauptbrennraums, insbesondere eines Gasmotors, mit einer Zündkerze und einem Vorkammerge­ häuse.The invention relates to a prechamber ignition device for one put in a wall of a main combustion chamber, in particular a gas engine, with a spark plug and a prechamberge house.

Derartige Zündeinrichtungen bringen beträchtliche Verbesserun­ gen der NO x -Emissionen von Brennkraftmaschinen, insbesondere von Gasmotoren, mit sich.Such ignition devices bring considerable improvements to the NO x emissions of internal combustion engines, in particular gas engines.

Eine bekannte Einrichtung der eingangs genannten Art (DE-OS 37 09 976) hat jedoch konstruktive und fertigungstechnische Nach­ teile. Die gesamte Baugruppe ist als Sonderanfertigung ausge­ bildet und muß komplett ausgetauscht werden, wenn es an der Zeit ist, die Zündkerze auszuwechseln.A known device of the type mentioned (DE-OS 37 09 976), however, has constructive and manufacturing technical consequences parts. The entire assembly is made to order forms and must be replaced completely when it is on the It is time to replace the spark plug.

Dementsprechend liegt der Erfindung die Aufgabe zugrunde, die bekannte Einrichtung konstruktiv und fertigungstechnisch zu verbessern.Accordingly, the invention is based on the object known device constructively and technically improve.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorkammer- Zündeinrichtung dadurch gekennzeichnet, daß die Zündkerze als Standard-Zündkerze ausgebildet und in das mit der Wandung des Hauptbrennraums verbindbare Vorkammergehäuse eingeschraubt ist.To achieve this object, the prechamber according to the invention is Ignition device characterized in that the spark plug as Standard spark plug designed and fitted with the wall of the Main combustion chamber connectable prechamber housing screwed in is.

Bei dieser Konstruktion muß lediglich das Vorkammergehäuse als Sonderteil gefertigt werden. Sein Austausch ist nur ca. alle 10 000 Betriebsstunden erforderlich. Die Zündkerze hingegen muß ca. alle 2000 Betriebsstunden ausgewechselt werden, was bei einer Standard-Zündkerze keine Schwierigkeiten bereitet. Her­ vorzuheben ist ferner, daß die Erfindung eine preiswerte und schnelle Nachrüstung vorhandener Brennkraftmaschinen ermög­ licht.With this construction, only the prechamber housing has to be Special part can be manufactured. His exchange is only about everyone 10,000 operating hours required. The spark plug, however, must be replaced approximately every 2000 operating hours, which at a standard spark plug is no problem. Here It should also be emphasized that the invention is an inexpensive and Fast retrofitting of existing internal combustion engines possible light.

Ein wesentlicher Vorteil der Erfindung besteht darin, daß die Zündeinrichtung modulartig aufgebaut ist. Das Volumenverhält­ nis von Vorkammer und Hauptbrennraum kann ohne weiteres verän­ dert werden. Dadurch lassen sich Entflammung und Druckverlauf maßgeblich beeinflussen, was wiederum positive Auswirkungen auf den Verbrennungsablauf und die NO x -Emissionen hat.An important advantage of the invention is that the ignition device is constructed in a modular manner. The volume ratio of the prechamber and the main combustion chamber can be changed easily. Inflammation and pressure profile can be influenced significantly, which in turn has a positive impact on the combustion process and NO x emissions.

Vorzugsweise ist das Vorkammergehäuse zündkerzenseitig mit einem Flansch versehen. Dieser Flansch dient dazu, einerseits das Vorkammergehäuse gegen die Wandung des Hauptbrennraums und andererseits die Zündkerze gegen das Vorkammergehäuse zu ver­ spannen. Ferner kann er Schlüsselflächen tragen, sofern das Vorkammergehäuse in die Wandung des Hauptbrennraumes ein­ schraubbar ist.The prechamber housing is preferably also on the spark plug side provided with a flange. This flange serves on the one hand the prechamber housing against the wall of the main combustion chamber and on the other hand to ver the spark plug against the prechamber housing tighten. He can also wear key surfaces, provided that Pre-chamber housing in the wall of the main combustion chamber is screwable.

Dabei ist die erfindungsgemäße Einrichtung vorteilhafterweise gekennzeichnet durch eine die Zündkerze umgebende, auf den Flansch des Vorkammergehäuses aufgesetzte Hülse für Kühlluft. Damit läßt sich das Vorkammergehäuse, bei dem es sich um ein thermisch hochbelastetes Bauteil handelt, problemlos kühlen.The device according to the invention is advantageous characterized by a surrounding the spark plug on the Flange of the pre-chamber housing for cooling air. This allows the prechamber housing, which is a thermally highly stressed component, cool easily.

Alternativ oder zusätzlich dazu ist erfindungsgemäß auch eine Flüssigkeitskühlung möglich, und zwar dadurch, daß das Vorkam­ mergehäuse einen Ringkanal für Kühlflüssigkeit aufweist. Die­ ser ist vorzugsweise in dem Flansch des Vorkammergehäuses ausgebildet.As an alternative or in addition to this, there is also one according to the invention Liquid cooling possible, in that the occurrence has a ring channel for coolant. The ser is preferably in the flange of the prechamber housing educated.

In Weiterbildung der Erfindung ist die Vorkammer-Zündeinrich­ tung dadurch gekennzeichnet, daß das Vorkammergehäuse einen durch den Flansch nach außen geführten Kanal für Pilotbrenn­ stoff bzw. -gemisch aufweist. Mit dem Pilotbrennstoff kann das Gemisch in der Vorkammer angereichert werden, um den Zündvor­ gang zu verbessern und zu beschleunigen. Der Kanal kann vor einem der Austrittskanäle der Vorkammer enden. Der Pilotbrenn­ stoff bzw. das Pilotbrennstoffgemisch wird dann beim Kompres­ sionshub in die Vorkammer hineingedrückt. Gleiches geschieht, wenn der Kanal innerhalb eines der Austrittskanäle mündet. Er kann alternativ auch direkt in die Vorkammer hineinführen. Da er durch den Flansch nach außen geführt wird, bereitet sein Anschluß an eine Quelle für Pilotbrennstoff bzw. -gemisch keinerlei Schwierigkeiten.In a further development of the invention, the prechamber ignition device is tion characterized in that the prechamber housing a channel for pilot burning through the flange has substance or mixture. With the pilot fuel it can Mixture in the prechamber can be enriched to ignite to improve and accelerate gear. The channel can go ahead end of one of the outlet channels of the antechamber. The pilot burn Substance or the pilot fuel mixture is then compressed  sionshub pressed into the prechamber. Same thing happens if the channel opens inside one of the outlet channels. He can alternatively lead directly into the antechamber. There it is led through the flange to the outside Connection to a source of pilot fuel or mixture no difficulties.

Die Erfindung wird im weiteren anhand bevorzugter Ausführungs­ beispiele im Zusammenhang mit der beiliegenden Zeichnung näher erläutert. Die Zeichnung zeigt in:The invention is further illustrated by preferred embodiment examples in connection with the accompanying drawing explained. The drawing shows in:

Fig. 1 eine auseinandergezogene Darstellung einer ersten Ausführungsform eines erfindungsgemäßen Vorkammer- Zündsystems; Figure 1 is an exploded view of a first embodiment of a prechamber ignition system according to the invention.

Fig. 2 die Anordnung nach Fig. 1 in montiertem Zustand; Fig. 2 shows the arrangement of Figure 1 in the assembled state.

Fig. 3 eine auseinandergezogene Darstellung einer zweiten Ausführungsform; Fig. 3 is an exploded view of a second embodiment;

Fig. 4 eine auseinandergezogene Darstellung einer dritten Ausführungsform. Fig. 4 is an exploded view of a third embodiment.

Nach Fig. 1 umfaßt die Vorkammer-Zündeinrichtung eine Stan­ dard-Zündkerze 1 sowie ein Vorkammergehäuse 2. Letzteres weist ein Innengewinde 3 auf, in welches die Standard-Zündkerze 1 einschraubbar ist. Ferner bildet das Vorkammergehäuse eine Vorkammer 4, die radiale und axiale Auslaßkanäle 5 aufweist.According to Fig. 1, the pre-chamber ignition device comprises a stan dard spark plug 1 and a prechamber. 2 The latter has an internal thread 3 into which the standard spark plug 1 can be screwed. Furthermore, the prechamber housing forms a prechamber 4 which has radial and axial outlet channels 5 .

Das zündfähige Gemisch wird durch die Auslaßkanäle 5 in die Vorkammer 4 hineingedrückt und dort von der Zündkerze 1 gezün­ det. Sodann treten heiße Gas- oder Flammenstrahlen aus den Auslaßkanälen 5 aus. The ignitable mixture is pressed through the outlet channels 5 into the prechamber 4 and there from the spark plug 1 . Then hot gas or flame jets emerge from the outlet channels 5 .

Das Vorkammergehäuse 2 ist mit einem Flansch 6 versehen, der dazu dient, eine Hülse 7 für Kühlluft aufzunehmen.The prechamber housing 2 is provided with a flange 6 , which serves to receive a sleeve 7 for cooling air.

Nach Fig. 2 ist das Vorkammergehäuse 2 in eine Wandung 8 eines Hauptbrennraums 9 eines Gasmotors eingeschraubt. Dabei wird der Flansch 6 gegen die Wandung 8 verspannt. Der Flansch 6 dient ferner als Auflage für die in das Innengewinde 3 ein­ geschraubte Zündkerze 1. Schließlich ist auf den Flansch 6 die Hülse 7 für Kühlluft aufgeschraubt.According to FIG. 2, the pre-combustion chamber 2 is screwed 9 of a gas engine in a wall 8 of a main combustion chamber. The flange 6 is clamped against the wall 8 . The flange 6 also serves as a support for the spark plug 1 screwed into the internal thread 3 . Finally, the sleeve 7 for cooling air is screwed onto the flange 6 .

Die Zündkerze 1 kann ausgewechselt werden, ohne daß gleichzei­ tig das Vorkammergehäuse 2 ausgewechselt werden müßte. Die aus den Austrittskanälen 5 der Vorkammer 4 austretenden heißen Gas- oder Flammenstrahlen führen zu einer optimalen Zündung und zu einer extrem schadstoffarmen Verbrennung innerhalb des Hauptbrennraumes 9. Da die Zündeinrichtung modulartig aufge­ baut ist, kann das Volumen der Vorkammer 4 sehr exakt an das Volumen des Hauptbrennraumes 9 angepaßt werden, was zu extrem günstigen Verhältnissen bezüglich der Entflammung und des Druckverlaufes, also des Verbrennungsablaufes im Hauptbrenn­ raum führt.The spark plug 1 can be replaced without the prechamber housing 2 having to be replaced at the same time. The hot gas or flame jets emerging from the outlet channels 5 of the prechamber 4 lead to an optimal ignition and to an extremely low-emission combustion within the main combustion chamber 9 . Since the ignition device is built up modularly, the volume of the prechamber 4 can be adapted very precisely to the volume of the main combustion chamber 9 , which leads to extremely favorable conditions with regard to the ignition and the pressure curve, that is to say the combustion process in the main combustion chamber.

Die Ausführungsform nach Fig. 3 unterscheidet sich von der nach den Fig. 1 und 2 dadurch, daß keine Luftkühlung, son­ dern vielmehr eine Flüssigkeitskühlung vorgesehen ist. Dement­ sprechend weist der Flansch 6 des Vorkammergehäuses 2 einen Ringkanal 10 für Kühlflüssigkeit auf. Letzerer wird von einer Ringscheibe 11 abgedeckt, die Öffnungen 12 zum Anschluß an ein geeignetes Kühlsystem aufweist.The embodiment of FIG. 3 differs from that of FIGS. 1 and 2 in that no air cooling, but rather liquid cooling is provided. Accordingly, the flange 6 of the prechamber housing 2 has an annular channel 10 for coolant. The latter is covered by an annular disc 11 which has openings 12 for connection to a suitable cooling system.

Auch bei der Ausführungsform nach Fig. 4 wird mit Kühlflüs­ sigkeit gearbeitet. Zusätzlich dazu weist das Vorkammergehäuse 2 einen Kanal 13 für Pilotbrennstoff bzw. -gemisch auf. Der Pilotbrennstoff wird in die Vorkammer 4 eingeführt und er­ leichtert dort den Zündvorgang, was insbesondere dann von Bedeutung ist, wenn im Hauptbrennraum mit einem sehr mageren Gemisch gearbeitet wird. Wie in Fig. 4 dargestellt, ist der Kananl 13 durch den Flansch 6 des Vorkammergehäuse 2 nach außen geführt und dient dort als Anschluß an eine Quelle für Pilotbrennstoff oder -gemisch.Also in the embodiment of FIG. 4 is worked with Kühlflüs liquid. In addition, the prechamber housing 2 has a channel 13 for pilot fuel or mixture. The pilot fuel is introduced into the pre-chamber 4 and it facilitates the ignition process there, which is particularly important when working with a very lean mixture in the main combustion chamber. As shown in Fig. 4, the channel 13 is guided through the flange 6 of the prechamber housing 2 to the outside and is used there as a connection to a source of pilot fuel or mixture.

Im Rahmen der Erfindung sind zahlreiche Modifikationen der dargestellten Ausführungsformen möglich. So kann der Kanal 13 gemäß Fig. 4 vor einem oder mehreren der Auslaßkanäle 5 des Vorkammergehäuses 2 münden, wobei dann der Pilotbrennstoff beim Kompressionstakt in die Vorkammer 4 hineingedrückt wird. Auch kann die Mündung des Kanals 13 innerhalb eines der Aus­ laßkanäle 5 liegen. Ferner besteht die Möglichkeit, den Kanal 13 radial aus dem Flansch 6 herauszuführen.Numerous modifications of the illustrated embodiments are possible within the scope of the invention. Thus, the channel 13 can 4 according to FIG. Before one or more of the outlet channels 5 of the pre-combustion chamber 2 open, in which case the pilot fuel is pressed in the compression stroke into the precombustion chamber 4. The mouth of the channel 13 may lie within one of the lasskanäle 5 . There is also the possibility of leading the channel 13 radially out of the flange 6 .

Der Flansch 6 kann mit Schlüsselflächen versehen sein, um ein Einschrauben des Vorkammergehäuses 2 in die Wandung 8 der Brennkraftmaschine zu erleichtern. Im übrigen muß die Hülse 7 nicht unbedingt auf den Flansch 6 aufgeschraubt sein. Andere Verbindungsmittel sind gleichermaßen möglich.The flange 6 can be provided with wrench flats in order to facilitate screwing the prechamber housing 2 into the wall 8 of the internal combustion engine. Otherwise, the sleeve 7 does not necessarily have to be screwed onto the flange 6 . Other connection means are equally possible.

Auch kann gleichzeitig mit Luft- und Flüssigkeitskühlung gear­ beitet werden. Dies bedeutet, daß beispeilsweise auf die Aus­ führungsformen nach den Fig. 3 und 4 eine Hülse 7 aufge­ setzt wird. Der Ringkanal 10 muß nicht unbedingt im Flansch 6 verlaufen. Er kann sich auch durch den zentralen Körper des Vorkammergehäuses 2 erstrecken.You can also work with air and liquid cooling at the same time. This means that, for example, on the imple mentation forms according to FIGS . 3 and 4, a sleeve 7 is set up. The ring channel 10 does not necessarily have to run in the flange 6 . It can also extend through the central body of the prechamber housing 2 .

Die Erfindung ist anwendbar nicht nur auf Gasmotoren, sondern auch auf beliebig andere Brennkraftmaschinen. Sie eignet sich insbesondere dazu, existente Anlage umzurüsten.The invention is applicable not only to gas engines, but also on any other internal combustion engine. It is suitable especially to convert existing systems.

Als erfindungswesentlich offenbart gelten auch solche Kombina­ tionen der beanspruchten Merkmale, die von der beiliegenden Anspruchsfassung abweichen.Such combinations are also considered to be disclosed as essential to the invention  tion of the claimed features by the enclosed Claims version differ.

Claims (6)

1. Vorkammer-Zündeinrichtung zum Einsetzen in eine Wandung (8) eines Hauptbrennraums (9), insbesondere eines Gasmotors, mit einer Zündkerze und einem Vorkammergehäuse (2), dadurch gekennzeichnet, daß die Zündkerze als Standard-Zündkerze (1) ausgebildet und in das mit der Wandung (8) des Hauptbrennraums (9) verbindbare Vorkammergehäuse (2) eingeschraubt ist.1. prechamber ignition device for insertion into a wall ( 8 ) of a main combustion chamber ( 9 ), in particular a gas engine, with a spark plug and a prechamber housing ( 2 ), characterized in that the spark plug is designed as a standard spark plug ( 1 ) and into the prechamber housing ( 2 ) which can be connected to the wall ( 8 ) of the main combustion chamber ( 9 ) is screwed in. 2. Vorkammer-Zündeinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß das Vorkammergehäuse (2) zündkerzenseitig mit einem Flansch (6) versehen ist.2. prechamber ignition device according to claim 1, characterized in that the prechamber housing ( 2 ) is provided on the spark plug side with a flange ( 6 ). 3. Vorkammer-Zündeinrichtung nach Anspruch 2, gekennzeichnet durch eine die Zündkerze (1) umgebende, auf den Flansch (6) des Vorkammergehäuses (2) aufgesetzte Hülse (7) für Kühlluft.3. prechamber ignition device according to claim 2, characterized by a surrounding the spark plug ( 1 ), on the flange ( 6 ) of the prechamber housing ( 2 ) attached sleeve ( 7 ) for cooling air. 4. Vorkammer-Zündeinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Vorkammergehäuse (2) einen Ringkanal (10) für Kühlflüssigkeit aufweist.4. prechamber ignition device according to one of claims 1 to 3, characterized in that the prechamber housing ( 2 ) has an annular channel ( 10 ) for coolant. 5. Vorkammer-Zündeinrichtung nach Anspruch 4, dadurch ge­ kennzeichnet, daß der Ringkanal (10) für Kühlfüssigkeit im Flansch (6) des Vorkammergehäuses (2) ausgebildet ist.5. prechamber ignition device according to claim 4, characterized in that the annular channel ( 10 ) for cooling fluid in the flange ( 6 ) of the prechamber housing ( 2 ) is formed. 6. Vorkammer-Zündeinrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß das Vorkammergehäuse (2) einen durch den Flansch (6) nach außen geführten Kanal (13) für Pilotbrennstoff bzw. -gemisch aufweist.6. prechamber ignition device according to one of claims 2 to 5, characterized in that the prechamber housing ( 2 ) has a through the flange ( 6 ) outwardly channel ( 13 ) for pilot fuel or mixture.
DE3913665A 1989-04-26 1989-04-26 Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug Withdrawn DE3913665A1 (en)

Priority Applications (1)

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DE3913665A DE3913665A1 (en) 1989-04-26 1989-04-26 Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug

Applications Claiming Priority (1)

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DE3913665A DE3913665A1 (en) 1989-04-26 1989-04-26 Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug

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DE3913665A1 true DE3913665A1 (en) 1990-10-31

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DE10133190A1 (en) * 2001-07-07 2003-01-16 Deutz Ag Pre-chamber mixture enrichment process for IC engines with mixture at least temporarily enriched by enrichment fuel fed into ignition chamber
EP1128034A3 (en) * 2000-02-22 2003-01-29 Jenbacher Aktiengesellschaft Fastening sleeve for spark plug
WO2009114327A1 (en) * 2008-03-12 2009-09-17 Cameron International Corporation Internal combustion engine with shrouded injection valve and precombustion chamber system
WO2010007067A1 (en) * 2008-07-15 2010-01-21 Robert Bosch Gmbh Laser spark plug with device for influencing the flow of the air/fuel mixture and for improving the ignition
WO2010057904A1 (en) * 2008-11-21 2010-05-27 Robert Bosch Gmbh Laser-induced spark ignition for an internal combustion engine
WO2011147619A1 (en) * 2010-05-27 2011-12-01 Robert Bosch Gmbh Laser-induced spark ignition unit for an internal combustion engine
WO2011147608A1 (en) * 2010-05-27 2011-12-01 Robert Bosch Gmbh Laser-induced spark ignition unit for an internal combustion engine
WO2011147607A1 (en) * 2010-05-27 2011-12-01 Robert Bosch Gmbh Laser-induced spark ignition unit for an internal combustion engine
WO2011147605A1 (en) * 2010-05-27 2011-12-01 Robert Bosch Gmbh Laser-induced spark ignition for an internal combustion engine
DE102011012528B3 (en) * 2011-02-26 2012-05-24 Dkt Verwaltungs-Gmbh Antechamber spark plug for combustion chamber of motor, has pipe arranged in channel hole between outer surface of housing and insulator, where pipe surrounds wall surface of channel hole that is opened from transverse bore
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US8584648B2 (en) * 2010-11-23 2013-11-19 Woodward, Inc. Controlled spark ignited flame kernel flow
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US9172217B2 (en) 2010-11-23 2015-10-27 Woodward, Inc. Pre-chamber spark plug with tubular electrode and method of manufacturing same
DE102015105915A1 (en) * 2015-04-17 2016-04-28 Federal-Mogul Ignition Gmbh Spark plug receiving sleeve and internal combustion engine with it
US9476347B2 (en) 2010-11-23 2016-10-25 Woodward, Inc. Controlled spark ignited flame kernel flow in fuel-fed prechambers
US9653886B2 (en) 2015-03-20 2017-05-16 Woodward, Inc. Cap shielded ignition system
US9670827B2 (en) 2008-03-12 2017-06-06 Ge Oil & Gas Compression Systems, Llc Pre-chamber
CN107100712A (en) * 2017-03-23 2017-08-29 江苏盛源燃气动力机械有限公司 Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine
US9765682B2 (en) 2013-06-10 2017-09-19 Woodward, Inc. Multi-chamber igniter
US9840963B2 (en) 2015-03-20 2017-12-12 Woodward, Inc. Parallel prechamber ignition system
US9856848B2 (en) 2013-01-08 2018-01-02 Woodward, Inc. Quiescent chamber hot gas igniter
US9890689B2 (en) 2015-10-29 2018-02-13 Woodward, Inc. Gaseous fuel combustion
DE102016120984A1 (en) * 2016-11-03 2018-05-03 Federal-Mogul Ignition Gmbh Prechamber spark plug for a gas-fueled internal combustion engine and method for its production
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US10598130B2 (en) 2017-12-06 2020-03-24 Federal-Mogul Ignition Gmbh Spark plug with supply passage for fuel, and a system with same
DE102018219950A1 (en) * 2018-11-21 2020-05-28 Mtu Friedrichshafen Gmbh Spark plug for a prechamber of an internal combustion engine, prechamber arrangement with such a spark plug, and internal combustion engine with such a prechamber arrangement
DE102019111091B3 (en) 2019-04-30 2020-07-09 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Modular prechamber spark plug screwed into a bore of an internal combustion engine
DE102021000852B3 (en) 2021-02-18 2022-08-18 Mercedes-Benz Group AG Prechamber spark plug for an internal combustion engine, in particular a motor vehicle, and internal combustion engine

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US9893497B2 (en) 2010-11-23 2018-02-13 Woodward, Inc. Controlled spark ignited flame kernel flow
US10907532B2 (en) 2010-11-23 2021-02-02 Woodward. Inc. Controlled spark ignited flame kernel flow in fuel-fed prechambers
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DE102019111091B3 (en) 2019-04-30 2020-07-09 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Modular prechamber spark plug screwed into a bore of an internal combustion engine
DE102021000852B3 (en) 2021-02-18 2022-08-18 Mercedes-Benz Group AG Prechamber spark plug for an internal combustion engine, in particular a motor vehicle, and internal combustion engine
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