EP2798170A1 - Système de chambre de précombustion pour moteur à combustion interne - Google Patents

Système de chambre de précombustion pour moteur à combustion interne

Info

Publication number
EP2798170A1
EP2798170A1 EP12740036.4A EP12740036A EP2798170A1 EP 2798170 A1 EP2798170 A1 EP 2798170A1 EP 12740036 A EP12740036 A EP 12740036A EP 2798170 A1 EP2798170 A1 EP 2798170A1
Authority
EP
European Patent Office
Prior art keywords
gas
vorkammersystem
chamber
prechamber
guide
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Withdrawn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
EP12740036.4A
Other languages
German (de)
English (en)
Inventor
Frederic DUMSER
Florian Becker
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.)
Innio Jenbacher GmbH and Co OG
Original Assignee
GE Jenbacher GmbH and Co OHG
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 GE Jenbacher GmbH and Co OHG filed Critical GE Jenbacher GmbH and Co OHG
Priority to EP15000442.2A priority Critical patent/EP2894313A1/fr
Publication of EP2798170A1 publication Critical patent/EP2798170A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • F02B19/08—Engines characterised by precombustion chambers the chamber being of air-swirl type
    • 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
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1004—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder details of combustion chamber, e.g. mounting arrangements
    • F02B19/1014—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder details of combustion chamber, e.g. mounting arrangements design parameters, e.g. volume, torch passage cross sectional area, length, orientation, or the like
    • 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
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • F02B19/1071—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber having only one orifice,(i.e. an orifice by means of which it communicates with the cylinder); the intake system comprising two distinct intake conduits
    • 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
    • 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
    • F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
    • 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

Definitions

  • the present invention relates to a Vorhuntsystem for an internal combustion engine having the features of the preamble of claim 1 and an internal combustion engine, in particular a gas Otto engine, with such a Vorhuntsystem.
  • gas-purged pre-chamber systems are used, the task of which is to ignite a combustion chamber of the internal combustion engine so that an ideal combustion is achieved.
  • the pre-chamber is added during the intake stroke of the internal combustion engine via a gas introduction means a certain amount of gas.
  • a superstoichiometric gas-air mixture is supplied to the combustion chamber. Via a communicating transfer opening (rising channel), the superstoichiometric mixture flows into the prechamber during the compression stroke, where it mixes with the pure gas to form an approximately stoichiometric mixture
  • the partially homogenized mixture is ignited via a spark plug. Due to an increase in pressure, the burnt hot gas flows via the communicating transfer opening (riser channel) into the combustion chamber of the internal combustion engine and causes it to ignite.
  • Prechamber systems with nozzles are known in the art and serve various purposes (see, for example, US 4,467,759 or US 4,095,565).
  • the object of the invention is to extend the life of the spark plug in generic Vorschsystemen or internal combustion engines.
  • the arrangement of the guide adjacent to the opening for the gaseous fuel such that during operation by the guide in the region of the electrode of the spark plug, a reduction of the volume flow of passing over the riser into the prechamber hot gas takes place, causes an extension of the life of the spark plug as the heat input to the electrode of the spark plug decreases and a cooler electrode results in a prolonged average spark plug life.
  • the guide device is located between the inlet opening of the gas channel and the riser channel, it is also possible to ensure that fresh fresh gas passes out of the gas channel via the electrode of the spark plug without drilling in the wall of the antechamber.
  • the guide should have a passage opening which connects the mouth of the gas channel and the riser. This ensures that fresh gas emerging from the gas duct can flow unhindered into the prechamber.
  • the guide device is formed integrally with the wall of the prechamber.
  • the guide is attached to the wall of the prechamber.
  • the guide device may have an annular section, via which it is fastened to the wall of the prechamber, for example pressed in or inserted.
  • the internal combustion engine according to the invention is, in particular, a stationary internal combustion engine, preferably a gas-Otto engine, in particular a stationary one.
  • Fig. 4 is a perspective view of a detail of Figure 2b.
  • FIG. 1 shows a first exemplary embodiment of a prechamber system 1 according to the invention.
  • the pre-chamber 2 is formed by a wall 3 and is connected via a riser 8 with a combustion chamber, not shown, of an internal combustion engine connected or connected in the assembled state.
  • the riser 8 opens asymmetrically into the pre-chamber 2, which ensures that a so-called tumble flow 14 is formed (see Figure 3b).
  • a spark plug 4 (not shown in FIG. 3), which is not shown in FIG. 1, can be inserted into the prechamber system 1.
  • a gas channel 7 connects an introduction device 5, not shown in FIG. 1 (see FIG. 2a), via a connection opening 6 with the prechamber 2.
  • a guide device 9 is arranged adjacent to the connection opening 6. Above the guide 9, a bore 10 in the wall 3 of the pre-chamber 2 is arranged, which establishes a connection to the gas channel 7.
  • the bore 10 ensures that fresh gas from the gas channel 7 can penetrate into the region above the guide 9 and passes through the guide 9 to the electrode 13, not shown in Figure 1 (see Figure 3) of the spark plug 4, to actively cool them ,
  • FIG. 2 a again shows the antechamber system 1 of FIG. 1, but here the gas introduction device 5 can be seen in the form of a gas valve.
  • the guide 9 is not formed integrally with the wall 3 of the pre-chamber 2, as is the case in Figures 1 and 2a.
  • the guide 9 is attached to the wall 3 of the antechamber 2.
  • the guide 9 has an annular portion 11, via which it is clamped on the wall 3 of the antechamber (variant of Figure 2b) or pressed (variant of Figure 2c).
  • FIGS. 2 b and 2 c A further difference between the variants of FIGS. 2 b and 2 c and that of FIGS. 1 and 2 a is that in the variants of FIGS. 2 b and 2 c the guide device 9 is arranged between the inlet opening 6 of the gas channel 7 and the riser channel 8. Thus, the additional bore 10 shown in Figure 1 and 2a can be omitted. But to ensure that enough fresh gas can flow into the pre-chamber 2, the guide 9 is provided with a through hole 12. The resulting flow conditions with respect to the fresh gas are shown in Figure 3a with respect to the variant of Figure 2c.
  • the flow 15 of fresh gas introduced via the gas introduction device 5 into the gas channel 7 is shown in a partial flow 15a, which flows over the Electrode 13 of the spark plug 4 flows and in a partial flow 15 b, which flows through the through hole 12 in the pre-chamber 2.
  • FIG. 3a the purging phase and in FIG. 3b the compression phase (compression stroke) of the internal combustion engine are shown.
  • Figure 4 shows a perspective view of the annular portion 11 together with the guide 9 for those embodiments where the guide 9 is fixed to the wall 3 of the prechamber 2 and is not formed integrally with the prechamber 2.

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)

Abstract

L'invention concerne un système de chambre de précombustion (1) pour un moteur à combustion interne comprenant : - une chambre de précombustion (2) possédant une paroi (3), - une bougie d'allumage (4) munie d'au moins une électrode (13), - un dispositif d'injection de gaz (5), notamment une soupape de gaz, - un canal de gaz (7) reliant le dispositif d'injection de gaz (5) à la chambre de précombustion (2) par le biais d'un orifice de jonction (6), - un canal montant (8) destiné à relier la chambre de précombustion (2) à une chambre à combustion du moteur à combustion interne, - un dispositif de guidage (9) destiné à influer sur l'écoulement du gaz, dans la chambre de précombustion (2), ledit dispositif de guidage (9) étant disposé près de l'orifice de jonction (6), de sorte que, lors du fonctionnement, le dispositif de guidage (9) provoque une réduction du débit volumétrique de gaz chaud parvenant à l'électrode (13) de la bougie d'allumage (4), lequel gaz chaud pénètre dans la chambre de précombustion (2) par le canal montant (8).
EP12740036.4A 2011-12-28 2012-06-29 Système de chambre de précombustion pour moteur à combustion interne Withdrawn EP2798170A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15000442.2A EP2894313A1 (fr) 2011-12-28 2012-06-29 Système de préchambre pour un moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT18982011 2011-12-28
PCT/AT2012/000177 WO2013096979A1 (fr) 2011-12-28 2012-06-29 Système de chambre de précombustion pour moteur à combustion interne

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP15000442.2A Division EP2894313A1 (fr) 2011-12-28 2012-06-29 Système de préchambre pour un moteur à combustion interne

Publications (1)

Publication Number Publication Date
EP2798170A1 true EP2798170A1 (fr) 2014-11-05

Family

ID=46581672

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15000442.2A Withdrawn EP2894313A1 (fr) 2011-12-28 2012-06-29 Système de préchambre pour un moteur à combustion interne
EP12740036.4A Withdrawn EP2798170A1 (fr) 2011-12-28 2012-06-29 Système de chambre de précombustion pour moteur à combustion interne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15000442.2A Withdrawn EP2894313A1 (fr) 2011-12-28 2012-06-29 Système de préchambre pour un moteur à combustion interne

Country Status (6)

Country Link
US (1) US9151212B2 (fr)
EP (2) EP2894313A1 (fr)
CN (1) CN104040137A (fr)
AT (1) AT13172U1 (fr)
BR (1) BR112014015856A8 (fr)
WO (1) WO2013096979A1 (fr)

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US9816430B2 (en) 2013-10-21 2017-11-14 Mitsubishi Heavy Industries, Ltd. Pre-combustion-chamber type gas engine
JP6478509B2 (ja) * 2014-07-31 2019-03-06 株式会社Ｓｏｋｅｎ レーザ点火装置
EP3012431B1 (fr) 2014-10-21 2017-11-22 Caterpillar Energy Solutions GmbH Ensemble chambre de précombustion pour moteurs à combustion interne
US9593622B2 (en) 2015-02-09 2017-03-14 Caterpillar Inc. Combustion system, nozzle for prechamber assembly, and method of making same
CN105041538A (zh) * 2015-06-26 2015-11-11 中国北车集团大连机车车辆有限公司 多点喷射气体发动机用燃气分配器
EP3118433B1 (fr) * 2015-07-16 2022-08-31 Caterpillar Energy Solutions GmbH Ensemble chambre de précombustion pour moteurs à combustion interne
JP6762712B2 (ja) * 2015-12-21 2020-09-30 三菱重工エンジン＆ターボチャージャ株式会社 副室式エンジン
EP3239487B1 (fr) * 2016-04-28 2021-09-01 Mahle Powertrain LLC Moteur à combustion interne avec préchambre à allumage par jet optimisée
US10273869B2 (en) * 2016-10-14 2019-04-30 Caterpillar Inc. Prechamber ignition device for internal combustion engine, and method
US10557403B2 (en) 2018-01-31 2020-02-11 Fca Us Llc Venturi-based purge vapor supply system for turbulent jet ignition engines
EP3521585A1 (fr) 2018-02-01 2019-08-07 Innio Jenbacher GmbH & Co OG Dispositif de préchambre pour moteur à combustion
DE102018206625B4 (de) 2018-04-27 2020-07-02 Mtu Friedrichshafen Gmbh Vorkammeranordnung mit einer Zündeinrichtung für eine Brennkraftmaschine und Brennkraftmaschine mit einer solchen Vorkammeranordnung
SE543937C2 (en) * 2018-10-11 2021-09-28 Scania Cv Ab A pre-chamber arrangement and a gas engine for increased combustion efficiency
AT16719U1 (de) * 2018-12-21 2020-07-15 Innio Jenbacher Gmbh & Co Og Zylinderkopf für eine Brennkraftmaschine
CA3123305C (fr) * 2018-12-21 2023-09-26 Innio Jenbacher Gmbh & Co Og Culasse pour un moteur a combustion interne
WO2020150759A1 (fr) 2019-01-22 2020-07-30 Avl List Gmbh Culasse d'un moteur à combustion interne
AT522050B1 (de) * 2019-01-22 2020-09-15 Avl List Gmbh Flüssigkeitsgekühlte brennkraftmaschine
DE202019105016U1 (de) * 2019-09-11 2019-09-19 Silvester Cambal Vorrichtung zur Kraftstoffeinspritzung für Verbrennungsmotoren
US11415041B2 (en) 2019-09-16 2022-08-16 Woodward, Inc. Flame triggered and controlled volumetric ignition
DE102019218408A1 (de) * 2019-11-27 2021-02-25 Mtu Friedrichshafen Gmbh Verfahren zum Betreiben einer Zündkerzenvorrichtung und Zündkerzenvorrichtung
DE102020000534B4 (de) 2020-01-29 2021-09-02 Daimler Ag Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen
EP4330525A1 (fr) 2021-04-28 2024-03-06 Innio Jenbacher GmbH & Co OG Ensemble préchambre
GB2611101A (en) * 2021-09-28 2023-03-29 Jcb Res An internal combustion engine
CN115095463B (zh) * 2022-06-22 2023-05-26 中山大学 一种可适配多种试验器的射流点火装置

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Also Published As

Publication number Publication date
AT13172U1 (de) 2013-07-15
BR112014015856A2 (pt) 2017-06-13
WO2013096979A1 (fr) 2013-07-04
BR112014015856A8 (pt) 2017-07-04
CN104040137A (zh) 2014-09-10
US20140251259A1 (en) 2014-09-11
EP2894313A1 (fr) 2015-07-15
US9151212B2 (en) 2015-10-06

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