WO2018141590A1 - Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé - Google Patents

Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé Download PDF

Info

Publication number
WO2018141590A1
WO2018141590A1 PCT/EP2018/051617 EP2018051617W WO2018141590A1 WO 2018141590 A1 WO2018141590 A1 WO 2018141590A1 EP 2018051617 W EP2018051617 W EP 2018051617W WO 2018141590 A1 WO2018141590 A1 WO 2018141590A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
injection
heating
opening
igniting
Prior art date
Application number
PCT/EP2018/051617
Other languages
German (de)
English (en)
Inventor
Juergen Foerster
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2018141590A1 publication Critical patent/WO2018141590A1/fr

Links

Classifications

    • 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
    • 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
    • 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
    • F02B23/0654—Thermal treatments, e.g. with heating elements or local cooling
    • F02B23/0657—Thermal treatments, e.g. with heating elements or local cooling the spray interacting with one or more glow plugs
    • 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
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
    • F02D41/3041—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode with means for triggering compression ignition, e.g. spark plug
    • F02D41/3047—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode with means for triggering compression ignition, e.g. spark plug said means being a secondary injection of fuel
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • F02M53/06—Injectors with heating, cooling, or thermally-insulating means with fuel-heating means, e.g. for vaporising
    • 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
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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 invention relates to a method for operating a monovalent internal combustion engine with diffusion combustion according to the diesel principle with the features of the preamble of claim 1. Furthermore, the invention relates to an apparatus for carrying out the method.
  • the gas pressure must be well above the combustion pressure, so that in particular gas valves for high pressure direct injection C.high pressure - direct injection "or HP-DI injectors) find use .Such gas engines have compared to other gas engines high efficiency, short reaction tion times in terms of dynamics and increased robustness against small methane numbers (lower tendency to knock with variance in gas quality) on.
  • the gaseous fuels used in gas engines are generally not self-igniting, the combustion must be initiated, for example by a preceding diesel injection by means of a separate diesel injector or by means of a gas valve with integrated diesel injector.
  • an annealing or ignition device can be used.
  • the latter has the advantage that no diesel fuel has to be kept as a further fuel, so that the system cost is significantly lower.
  • the disadvantage is that often not all gas jets are ignited simultaneously, so that there is a delay in ignition. This is particularly the case when a glow plug arranged laterally with respect to the gas injector is used as the glow or ignition device.
  • the present invention is therefore based on the object of specifying a method for operating a monovalent internal combustion engine, in particular gas engine, with diffusion combustion according to the diesel principle, in which a non-self-igniting or hardly ignitable fuel injected directly into a combustion chamber by means of an injection or blowing device . is blown, is lit as evenly as possible. At the same time, the constructive effort to carry out the process should be kept as low as possible.
  • a non-self-igniting or hardly ignitable fuel is injected or blown directly into a combustion chamber by means of an injection or injection device.
  • at least one fuel jet is formed, which passes through an opening of a device for heating and igniting the fuel to be led.
  • the fuel jet is uniformly heated and ignited over its entire circumference, so that the ignition delay is minimal.
  • a positive flammability behavior can be achieved, which is similar to the behavior in the case of ignition by means of a diesel pilot injection, with the difference that no second fuel has to be stored.
  • the system overhead is thus significantly lower.
  • a monovalent operation of the internal combustion engine is made possible, which can be optimized with regard to the combustion of the fuel, without taking into account another fuel.
  • the pollutant emissions are reduced.
  • each jet of fuel is guided through an associated opening of the device for heating and igniting the fuel. This means that the fuel spreads evenly over several fuel jets.
  • the fuel jet is formed by an injection or injection opening of the injection or injection device.
  • the injection or blowing device preferably has a plurality of injection or injection openings, wherein these are preferably arranged annularly and / or at the same angular distance from each other, so that the fuel is evenly distributed in the combustion chamber.
  • the at least one fuel jet is formed through the opening of the device for heating and igniting the fuel.
  • the opening can have an inner contour deviating from the cylindrical shape.
  • the device for heating and igniting the fuel is electrically heated.
  • a heating current or a heating voltage can preferably be applied to the device, which is controlled or regulated as needed with the aid of a control device. Since in the operation of the internal combustion engine by the combustion of fuel the Combustion chamber is additionally heated, the electric heating of the device for heating and ignition of the fuel can be shut down accordingly. The needs-based control helps to save energy.
  • a pilot fuel quantity is injected or injected in time prior to the injection or injection of a main amount of fuel, wherein at least one fuel jet is formed, which is guided through an opening of the device for heating and igniting the fuel in that the subsequently injected or injected main fuel quantity is ignited by an already burning fuel-air mixture cloud or an exhaust gas cloud.
  • the device for heating and igniting the fuel is used in this case primarily the heating and ignition of the pilot fuel quantity, while the main fuel quantity is ignited indirectly via the burning pilot fuel quantity or a burning fuel-air mixture cloud formed therefrom , If the combustion of the pilot fuel quantity or the fuel-air mixture cloud has already been completed, the ignition of the main fuel quantity can also be effected via the remaining exhaust gas cloud.
  • the indirect ignition of the main fuel quantity also helps to save energy.
  • the injection of the main amount of fuel may also be preceded by a plurality of successive pilot injections or injections.
  • the plurality of successive pilot injections serve to stabilize the annular fuel-air mixture cloud and / or to form the combustion profile of the pilot fuel quantity and / or the main fuel quantity.
  • a gaseous fuel in particular natural gas
  • a gaseous fuel is preferably used as non-self-igniting or hardly ignitable fuel.
  • gaseous fuels such as natural gas
  • the ⁇ output can be reduced.
  • the burden of particles or particulate matter decreases.
  • the device is an injection or injection device comprising a nozzle, in which at least one injection or injection opening is formed.
  • the apparatus further includes a device for heating and igniting the fuel having at least one opening disposed substantially coaxially with respect to a jet axis of the injection port. This ensures that the fuel discharged via the injection port is further guided through the opening of the fuel heating and ignition device to initiate combustion of the fuel.
  • the injection or injection device has a plurality of annular and / or equiangularly spaced injection or injection openings in order to ensure a uniform distribution of the fuel in the combustion chamber.
  • each injection or inflation opening is associated with an opening of the device for heating and ignition of the fuel, so that the introduced into the combustion chamber fuel evenly - is ignited - substantially without ignition delay.
  • the injection or injection device is preferably designed as an injector, particularly preferably as an HP-DI injector.
  • the fuel can thus be introduced under high pressure into the combustion chamber, which promotes a uniform distribution of the fuel.
  • the at least one fuel jet is formed via the injection or blowing device and / or the device for heating and igniting the fuel
  • the at least one opening of the device for heating and igniting the fuel has a fuel jet forming inner contour.
  • the inner contour on the input side comprises a funnel-shaped tapered section, on the output side a nozzle-shaped widening section and in between a continuously expanding in the injection or blowing direction section. In this way, an optimal shaping of the fuel jet can be effected.
  • the device for heating and igniting the fuel is at least partially annular or sleeve-shaped and arranged such that it surrounds the nozzle of the injection or injection device. If the arrangement takes place at the level of the at least one injection or injection opening, it can be done in a simple manner the injection or injection opening to be associated with an opening of the device for heating and ignition of the fuel.
  • the device for heating and igniting the fuel is preferably fixedly connected to the injection or injection device.
  • the solid connection can be realized by means of force, form and / or material connection.
  • an electrical contact can be effected via the connection, via which a heating current or a heating voltage can be applied.
  • the device for heating and igniting the fuel may be an integral part of the injection device.
  • an annulus is formed between the nozzle of the injection device and the device for heating and igniting the fuel. That is, the opening of the device for heating and igniting the fuel is arranged at a radial distance to the injection or inflation opening.
  • the combustion chamber extends into the annular space, so that it is filled with air. Accordingly, additional combustion air is provided via the annulus, with which the fuel mixes before it enters the opening of the device for heating and igniting the fuel.
  • the at least one opening of the device for heating and igniting the fuel is formed by at least one sleeve.
  • the enclosed by the sleeve cavity thus forms the opening.
  • a plurality of sleeves are arranged annularly and / or at the same angular distance from each other on a ring-shaped or sleeve-shaped basic body for connection to the injection or injection device.
  • the arrangement is such that the at least one sleeve is disposed at a radial distance with respect to an injection or inflation port of the injection device. In this way, in turn, a sufficient mixing of the fuel with combustion air is ensured.
  • the at least one opening of the device for heating and igniting the fuel comprises a heatable inner sleeve and / or an insulating outer sleeve. Due to the heatable inner sleeve, optimum heat transfer to the force material jet can be achieved. About the insulating effect of the outer sleeve heat transfer to the surrounding air in the combustion chamber is prevented, so that the heat loss to the outside is low.
  • FIG. 1 shows a schematic longitudinal section through an inventive device for carrying out the method according to the invention
  • FIG. 2 shows a schematic view of the device of FIG. 1, FIG.
  • FIG. 3 shows a schematic longitudinal section through the device for heating and igniting the fuel of the device of FIG. 1,
  • FIG. 4 shows a schematic longitudinal section through a further device according to the invention for carrying out the method according to the invention
  • FIG. 5 is a schematic view of the device of FIG. 4,
  • Fig. 6 is a schematic longitudinal section through the device for heating and ignition of the fuel of the device of Fig. 4 in the region of a sleeve and
  • FIG. 7 is a schematic view of the device of FIG. 6.
  • FIG. 7 is a schematic view of the device of FIG. 6.
  • the apparatus shown schematically in Figures 1 and 2 for carrying out the method according to the invention comprises an integrated into a cylinder head 12 of an internal combustion engine injection or injection device 1 with a nozzle 6, which projects into a combustion chamber 2, bounded by a wall 13 of the cylinder head 12 becomes.
  • the injection or injection device 1 is used for injecting or blowing a not self-igniting or difficult to ignite fuel, such as natural gas, wherein the fuel is injected directly into the combustion chamber 2 or injected.
  • a plurality of injection or injection openings 7 are formed, which are annular and at the same angular distance from each other, in this case 90 °, are arranged. In this way, cross-shaped beam axes 3 are formed.
  • the injection or injection openings 7 are each associated with an opening 4 of a device 5 for heating and igniting the fuel, which annularly surrounds the nozzle 6 to form an annular space 9.
  • the openings 4 of the device 5 for heating and igniting the fuel thus come to lie in a radial distance from the nozzle 6, in each case coaxially with respect to the beam axes 3. This ensures that fuel discharged via the injection or injection openings 7 is injected or blown through the openings 4 into the combustion chamber 2.
  • combustion air is absorbed, so that a fuel-air mixture is formed which is highly flammable.
  • the ignition of the fuel is effected by the device 5 for heating and igniting the fuel.
  • the device 5 is for this purpose heated, preferably electrically heated.
  • the device 5 is caused to glow by means of an electric heating current or an electrical heating voltage, so that fuel jets passing through the openings 4 are uniformly heated over their circumference and ignite.
  • the device 5 is additionally supplied by the combustion with heat energy, preferably the electrical heating current or the electrical heating voltage by means of a control device (not shown) controllable, preferably adjustable.
  • the power supply required for electrical heating can be realized via a contact and / or mounting region of the device 5 with the injection or injection device 1.
  • the flow of current from the injection or injection device 1 can take place via a fastening region into the device 5.
  • the openings 4 of the device 5 are also intended to serve to heat and ignite the fuel during the shaping of the fuel jets
  • the openings 4 can have an inner contour 8, as shown by way of example in FIG.
  • the inner contour 8 has on the input side a section 8.1, which tapers in a funnel shape to direct the fuel jet into the opening 4. This is followed by a section 8.3, which expands steadily and passes on the output side into a section 8.2, which widens like a nozzle.
  • FIGS. 4 and 5 show a further preferred embodiment of a device according to the invention for carrying out the method according to the invention. This differs from that of Figures 1 and 2 only by the configuration of the device 5 for heating and ignition of the fuel.
  • the openings 4 are formed here by sleeves 10, 11, wherein two sleeves 10, 11 are arranged one inside the other.
  • the inner sleeve 10 is electrically heated, the outer sleeve is the thermal insulation, so that the heat is given priority to the inside.
  • this may be made of an electrically conductive resistance material.
  • the required electrical contact can be made via such a power distribution ring 16.
  • the outer sleeve 11 is preferably made of an electrically insulating and heat-insulating material, so that the heat loss through the outer sleeve 11 is minimized.
  • another, in particular metallic sleeve (not shown) may be provided to protect the outer sleeve 11, in which case the further sleeve surrounds the "outer" sleeve 11.
  • the sleeves 10, 11 form sleeve-shaped composite body, wherein in each case such a composite body of an injection or injection opening 7 is assigned.
  • the arrangement is also made coaxially with respect to the beam axes 3.
  • the composite bodies are arranged on an annular base body 14 of the device 5 and fixedly connected thereto in a connection region 17.
  • the connection can be effected for example via a weld.
  • the inner sleeve 10 of a composite body can be connected to the annular base 14 of the device 5 via a contact element 15. be bound to produce the electrical contact of the inner sleeve 10 and / or the outer power distribution ring 16 with the annular base body 14.
  • a connecting element 18 can be provided (see FIG. 5), which also serves as a contact element.
  • the inner sleeve 10 may have an inner contour 8 deviating from a cylindrical shape. Analogous to the opening shown in FIG. 3, the inner contour 8 on the input side to a section 8.1, which tapers in a funnel shape to direct the fuel jet into the opening 4. This is followed in turn by a section 8.3 which steadily expands and merges on the output side into a section 8.2, which widens like a nozzle. In this way, an optimal shaping of the fuel jet to be introduced is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel, procédé selon lequel un carburant à allumage non spontané ou difficilement inflammable est injecté directement dans une chambre de combustion (2) au moyen d'un dispositif d'injection (1). Selon l'invention, lors de l'injection du carburant, au moins un jet de carburant est formé, lequel est guidé à travers une ouverture (4) d'un dispositif (5) destiné à chauffer et à allumer le carburant. L'invention concerne en outre un dispositif permettant de mettre en œuvre ledit procédé.
PCT/EP2018/051617 2017-02-01 2018-01-24 Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé WO2018141590A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017201591.8A DE102017201591A1 (de) 2017-02-01 2017-02-01 Verfahren zum Betreiben eines monovalenten Verbrennungsmotors mit Diffusionsverbrennung nach dem Dieselprinzip sowie Vorrichtung zur Durchführung des Verfahrens
DE102017201591.8 2017-02-01

Publications (1)

Publication Number Publication Date
WO2018141590A1 true WO2018141590A1 (fr) 2018-08-09

Family

ID=61027734

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/051617 WO2018141590A1 (fr) 2017-02-01 2018-01-24 Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé

Country Status (2)

Country Link
DE (1) DE102017201591A1 (fr)
WO (1) WO2018141590A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102507A2 (fr) * 1982-08-14 1984-03-14 Robert Bosch Gmbh Dispositif destiné à l'injection du combustible dans les chambres de combustion des moteurs à combustion interne du type à auto-allumage
DE4224344A1 (de) * 1992-07-23 1994-01-27 Bayerische Motoren Werke Ag Mit einer Glühvorrichtung kombinierte Einspritzdüse für luftverdichtende Einspritzbrennkraftmaschinen
DE10052336A1 (de) * 2000-10-22 2002-05-02 Gvh Entwicklungsgesellschaft F Brennkraftmaschine mit Einblasung von gasförmigem Kraftstoff
EP1546548A1 (fr) * 2002-10-02 2005-06-29 Westport Research Inc. Anneau lumineux d'aide a l'allumage destine a un moteur a combustion interne
WO2013116941A1 (fr) * 2012-02-07 2013-08-15 Westport Power Inc. Dispositif et procédé d'allumage d'un carburant gazeux dans un moteur à combustion à injection directe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102507A2 (fr) * 1982-08-14 1984-03-14 Robert Bosch Gmbh Dispositif destiné à l'injection du combustible dans les chambres de combustion des moteurs à combustion interne du type à auto-allumage
DE4224344A1 (de) * 1992-07-23 1994-01-27 Bayerische Motoren Werke Ag Mit einer Glühvorrichtung kombinierte Einspritzdüse für luftverdichtende Einspritzbrennkraftmaschinen
DE10052336A1 (de) * 2000-10-22 2002-05-02 Gvh Entwicklungsgesellschaft F Brennkraftmaschine mit Einblasung von gasförmigem Kraftstoff
EP1546548A1 (fr) * 2002-10-02 2005-06-29 Westport Research Inc. Anneau lumineux d'aide a l'allumage destine a un moteur a combustion interne
WO2013116941A1 (fr) * 2012-02-07 2013-08-15 Westport Power Inc. Dispositif et procédé d'allumage d'un carburant gazeux dans un moteur à combustion à injection directe

Also Published As

Publication number Publication date
DE102017201591A1 (de) 2018-08-02

Similar Documents

Publication Publication Date Title
EP0102507B1 (fr) Dispositif destiné à l'injection du combustible dans les chambres de combustion des moteurs à combustion interne du type à auto-allumage
DE3731211C2 (fr)
DE102017011209B3 (de) Vorkammerzündkerze für einen Brennraum einer Verbrennungskraftmaschine, insbesondere eines Kraftfahrzeugs, sowie Verbrennungskraftmaschine für ein Kraftfahrzeug
EP1492953A1 (fr) Combinaison soupape d'injection de carburant / bougie d'allumage
DE1476951B2 (de) Kraftstoffeinspritz- und zuendvorrichtung fuer brennkraftmaschinen mit direkter einspritzung
EP2358986B1 (fr) Moteur à combustion interne et procédé pour la combustion à allumage par compression
AT517703B1 (de) Zündkerze und Gasmotor mit Zündkerze
DE102016014645A1 (de) Verbrennungsmotor
WO2019072457A1 (fr) Injection de carburant gazeux et liquide à l'aide d'une soupape d'injection à deux substances
EP0148837B1 (fr) Dispositif d'injection de carburant dans un ecoulement secondaire d'air de combustion d'une chambre de combustion
WO2018141589A1 (fr) Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé
WO2018141590A1 (fr) Procédé pour faire fonctionner un moteur à combustion interne monovalent à mode de combustion par diffusion sur le principe du diesel et dispositif pour la mise en oeuvre dudit procédé
DE10340043A1 (de) Zündkerze
DE3307666A1 (de) Einrichtung zum einspritzen von kraftstoff in brennraeume, insbesondere in brennkammern von dieselmotoren
DE3206708A1 (de) Zuendkerze mit einer zuendkammer
WO2019214997A1 (fr) Procédé et dispositif de traitement d'un mélange air-carburant
DE19959768A1 (de) Glühstiftkerze
EP3953574B1 (fr) Procédé pour faire fonctionner un moteur à combustion interne
DE3833803A1 (de) Einrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
DE112004000748B4 (de) Brennkraftmaschine
DE102019006486A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine, aufweisend eine Hauptbrennkammer und eine Vorkammer, mit Gaskraftstoff.
DE1526732A1 (de) Verbesserungsverfahren fuer die Arbeitsweise von Motoren mit gesteuerter Zuendung und Vorrichtung zu seiner Durchfuehrung
DE102006012608B4 (de) Vorrichtung zum Einbringen von Kraftstoff für eine Kraftmaschine
DE102022002118B3 (de) Brenner für ein Kraftfahrzeug sowie Kraftfahrzeug mit wenigstens einem solchen Brenner
AT526244B1 (de) Verfahren zum Betreiben einer fremdgezündeten Viertakt-Brennkraftmaschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18701463

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18701463

Country of ref document: EP

Kind code of ref document: A1