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WO2004001221A1 - Dispositif d'aide au demarrage pour moteur a combustion interne - Google Patents

Dispositif d'aide au demarrage pour moteur a combustion interne Download PDF

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Publication number
WO2004001221A1
WO2004001221A1 PCT/DE2003/000693 DE0300693W WO2004001221A1 WO 2004001221 A1 WO2004001221 A1 WO 2004001221A1 DE 0300693 W DE0300693 W DE 0300693W WO 2004001221 A1 WO2004001221 A1 WO 2004001221A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion chamber
heating element
starting aid
laser beam
light 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.)
Ceased
Application number
PCT/DE2003/000693
Other languages
German (de)
English (en)
Inventor
Hans-Peter Bauer
Albrecht Geissinger
Christoph Haluschka
Sven Geiger
Steffen Carbon
Christoph Kern
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.)
Robert Bosch GmbH
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 WO2004001221A1 publication Critical patent/WO2004001221A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays
    • 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
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition

Definitions

  • the invention is based on a starting aid for an internal combustion engine according to the preamble of the main claim
  • a start control method for an internal combustion engine is known from JP 101 96 508 A, in which a laser beam is used, the wavelength of which lies in the excitation band of a hydroxide group and a hydrocarbon group.
  • the starting aid according to the invention for an internal combustion engine with the features of the main claim has the advantage over the fact that means are provided which direct the laser beam onto a heating element arranged in the combustion chamber. In this way the
  • Combustion process initiated in that the gas molecules are excited not directly by the light energy of the laser element but indirectly by the thermal energy generated by the laser element.
  • the combustion can thus be carried out in a conventional manner by heating the gas mixture in the
  • this heating does not use conventional starting aids such as glow plugs, glow wire candles, flame start systems, etc., but a laser element.
  • the energy control can also take place outside the internal combustion engine. Since the energy supplied is laser light, there is no risk of a short circuit since there is no need to lay an electrically insulated cable with the positive pole of the battery voltage near the motor block, which represents the reference potential. This is particularly advantageous when installing the energy supply under the valve cover, since this space has oil mist at elevated temperatures and can thus impair the insulation of a current-carrying cable.
  • Another advantage is that due to a suitably chosen directivity of the light guide on the laser beam, the position for introducing the laser beam into the combustion chamber using the
  • the light guide can be selected relatively freely and can also be carried out, for example, in the cylinder wall.
  • the supply of the laser beam into the combustion chamber by using a light guide means requires only a small amount of space in the cylinder head of the internal combustion engine and allows flexible beam guidance.
  • the light guide comprises a deflecting surface on which the laser beam is deflected.
  • the laser beam can be guided in the desired direction in the combustion chamber in a particularly simple manner.
  • the light guide comprises a reflection surface on which the laser beam is reflected. It is advantageous if the heating element is a glow plug protruding into the combustion chamber. In this way it is possible to use a conventional glow element for the starting aid according to the invention.
  • a particularly compact and space-saving solution for heating the glow plug is obtained if the light guide is arranged inside the glow plug.
  • the heating element is an integral part of a combustion chamber wall. In this way, the starting aid can be realized in a particularly material-saving and inexpensive manner.
  • heating element is an integral part of the piston, the injection nozzle or the valve.
  • Highlighting is formed from the piston surface. In this way, the heating element can be heated more quickly.
  • Another advantage is that means are provided for thermally decoupling the heating element from the combustion chamber wall. In this way, it is prevented that the heat dissipation via the combustion chamber wall leads to a relevant temperature drop during the irradiation of the heating element with the laser beam.
  • Another advantage is that the laser beam is introduced into the combustion chamber as a function of a Operating state of the internal combustion engine takes place. In this way, the energy for heating the heating element does not have to be kept permanently available.
  • FIG. 1 shows a first exemplary embodiment of a starting aid according to the invention
  • FIG. 2 shows a second exemplary embodiment of a starting aid according to the invention
  • FIG. 3 shows a third exemplary embodiment of a starting aid according to the invention
  • FIG. 4 shows a fourth exemplary embodiment of a starting aid according to the invention
  • FIG. 5a shows a first exemplary embodiment for attaching a heating element to a combustion chamber wall
  • FIG. 5b shows a second exemplary embodiment for attaching a heating element to a combustion chamber wall
  • FIG. 5c shows a third exemplary embodiment for attaching a heating element to a firing wall
  • FIG. 5d shows a fourth exemplary embodiment for attaching a heating element to a combustion chamber wall
  • Figure 6a shows a first embodiment for the supply of a light guide to a combustion chamber wall
  • Figure 6b shows a second embodiment for the supply of a light guide to a combustion chamber wall.
  • the invention now describes a new type, the starting process and the warm-up behavior of internal combustion engines, in particular diesel engines, by using a
  • 5 denotes a section of an internal combustion engine, which in the following is to be designed as a diesel engine, for example.
  • the selected section 5 of the diesel engine is a cylinder head.
  • the cylinder head 5 comprises a combustion chamber 20 which is formed on the one hand by an upper combustion chamber wall 45 and two lateral combustion chamber walls 46 and on the other hand by a piston 50.
  • a heating element 30 in the form of a glow plug is guided into the combustion chamber 20 via a first bore 75 in the upper combustion chamber wall 45.
  • An injection nozzle 60 is guided into the combustion chamber 20 via a second bore 80 in the upper combustion chamber wall 45.
  • a valve 65 for supplying the combustion air to the combustion chamber 20 is guided via a third bore 85 in the upper combustion chamber wall 45.
  • the glow plug 30 is hollow on the inside, so that it comprises a receptacle 90 for a light guide 25 designed as a light guide.
  • the light guide 25 takes a laser beam 15 of a laser element, for example as a laser diode is formed, and leads it into the area of the tip of the glow plug 30 protruding into the combustion chamber 20.
  • Glow plug 30, light guide 25 and laser diode 10 form a starting aid according to the invention, which is identified in FIG. 1 by reference number 1.
  • the laser beam 15 is largely absorbed by the glow plug 30 in the area of its tip projecting into the combustion chamber 20 and converted into thermal energy, which is used to heat the diesel-air mixture in the combustion chamber 20 and thus to initiate a combustion process for the diesel-air mixture in the combustion chamber 20 leads.
  • the optical energy of the laser beam 15 is most effectively converted into thermal energy when the laser beam 15 strikes a well-absorbing, solid mass element, which in this case is formed by the tip of the glow plug 30 projecting into the combustion chamber 20 and by the reference symbol 95 is marked.
  • the material, in particular on the surface on which the laser beam 15 strikes in the region of the tip 95 of the glow plug 30, must be selected such that it absorbs the optical energy of the laser beam 15 as completely as possible and as little optical as possible at the mainly occurring wavelengths of the laser beam 15 Energy of the laser beam 15 is reflected.
  • the laser diode can also be selected such that its laser beam 15 mainly comprises wavelengths that are absorbed as completely as possible by the material used in the tip 95 of the glow plug 30 and reflected as little as possible.
  • the material of the tip 95 of the glow plug 30 protruding into the combustion chamber 20 can be adapted to the mainly occurring wavelengths of the laser beam 15.
  • the laser diode 10 can be selected so that the wavelengths mainly present in the laser beam 15 are present the material of the tip 95 of the heating element 30 protruding into the combustion chamber 20 is adapted.
  • the material of the glow plug 30 can, in particular in the area of the tip 95, consist of an iron or non-ferrous metal or of alloys of such metals, of ceramic or of a composite of the materials mentioned.
  • the thermal energy generated at the tip 95 of the glow plug 30 is dissipated only insignificantly via the upper combustion chamber wall 45, especially during its main requirement at the beginning of the combustion process, so that there is only an insignificant temperature drop at the tip 95 of the glow plug 30 , This can be done either by a thermal
  • Decoupling of the tip 95 of the glow plug 30 from the upper combustion chamber wall 45 or by a suitable choice of the material and its surface in the area of the tip 95 of the glow plug 30 can be ensured.
  • optical energy emitted by the laser diode 10 in the form of the laser beam 15 should be dimensioned such that there is no significant material removal in the area of the laser beam 15 on the tip 95 of the glow pencil 30.
  • FIG. 2 shows a second exemplary embodiment of a starting aid according to the invention, with the same reference numerals in FIG. 2 denoting the same elements as in FIG. 1.
  • the heating element 30 is designed as a heating element anchored in the interior of the combustion chamber 20.
  • no hole is required in the upper combustion chamber wall 45 in order to be able to lead the heating element into the combustion chamber 20 from the outside, as in the first exemplary embodiment.
  • the heater 30 according to FIG. 2 can be formed from the same material as in the first embodiment according to FIG. 1.
  • a fourth bore 100 in the upper combustion chamber wall 45 serves to guide the light guide 25 into the combustion chamber 20 from the outside.
  • the heating element 30 is now anchored in the area of the upper combustion chamber wall 45 in the combustion chamber 20.
  • the fourth bore 100 with the light guide 25 now does not run perpendicularly, but obliquely to the upper combustion chamber wall 45.
  • the laser beam 15 from the laser diode 10 becomes parallel to the fourth bore 100 and thus also not perpendicular, but rather obliquely to the upper combustion chamber wall 45 in the Combustion chamber 20 introduced.
  • the light guide 25 projects deeper into the combustion chamber 20 than the radiator 30.
  • the light guide 25 At its end facing the combustion chamber 20, the light guide 25 comprises an approximately parallel to the upper combustion chamber wall 45 reflection surface 40, on which the laser beam 15 is reflected, so that it follows Exit from the light guide 25 hits the surface of the radiator 30. The majority of the optical energy of the laser beam 15 is then absorbed by the radiator 30 in the manner described and converted into thermal energy for initiating the combustion process in the combustion chamber 20.
  • means 70 are provided for thermally decoupling the radiator 30 from the upper combustion chamber wall 45, so that the thermal energy formed on the radiator 30 cannot be released to the upper combustion chamber wall 45 to any significant extent.
  • Thermal insulation is implemented by means 70 for thermal decoupling.
  • the means 70 for thermal decoupling can be a ceramic, for example zirconium dioxide
  • Figure 3 shows a third embodiment, in which again the same reference numerals designate the same elements as in the previous figures.
  • the light guide 25 is fed into the combustion chamber 20 via a fifth bore 105 in one of the two lateral combustion chamber walls 46.
  • the light guide 25 is fed via the fifth bore 105 approximately perpendicular to this side combustion chamber wall 46
  • Light exit of the laser beam 15 from the light guide 25 takes place via a beveled end surface of the light guide 25, which forms a deflection surface 35 and deflects the laser beam 15 guided into the combustion chamber 20 approximately perpendicular to the lateral combustion chamber wall 46 in the direction of the upper combustion chamber wall 45 such that the Laser beam 15 strikes approximately a tip of the injector 60, this tip of the injector 60 forming the heating element 30.
  • the tip region of the injection nozzle 60 protruding into the combustion chamber 20 was chosen as the heating element 30 because, due to its cross-section tapering into the combustion chamber 20, it can be heated particularly quickly by the incident laser beam 15.
  • the heating element 30 can be placed on the tip of the injection nozzle 60 or can be an integral part of the injection nozzle 60.
  • the material of the heating element 30 can be selected as already described in the previous exemplary embodiments. It is also in the third embodiment according to the figure 3 in the manner described for the previously described exemplary embodiments, the optical energy of the laser beam 15 on the heating element 30 is largely converted into thermal energy by absorption, which is emitted to the diesel / air mixture in the combustion chamber 20 and initiates the combustion process.
  • a sixth bore 110 which does not run perpendicularly but obliquely to one of the two lateral combustion chamber walls 46 is provided for receiving the light guide 25, so that the laser beam 15 initiated by the laser diode 10 leads obliquely to this lateral boundary wall 46 into the combustion chamber 20 is and directly meets an end surface 115 of the valve 65 facing the combustion chamber 20 without a deflection surface at the end of the light guide 25 being required.
  • the end face 115 of the valve 65 then represents the heating element, in particular in the area where the laser beam 15 strikes
  • Material for the end surface 115 can be selected as for the heating elements in the previous exemplary embodiments. Accordingly, a large part of the optical energy of the laser beam 15 is described as in the previous exemplary embodiments, of which
  • FIG. 4 shows a fifth exemplary embodiment, in which the same reference numerals designate the same elements as in the previous exemplary embodiments.
  • the light guide 25 is supplied to the combustion chamber 20 from the outside and extends approximately perpendicular to the upper combustion chamber wall 45.
  • the light guide 25 and the laser beam 15 thus also run approximately perpendicular to the upper combustion chamber wall 45.
  • the laser beam 15 leaves the light guide 25 approximately perpendicular to the upper combustion chamber wall 45 and thus strikes the piston 50.
  • the piston 50 can, as shown in FIG. 4, have a highlight from the piston surface 55 which forms the heating element 30.
  • the cross section of this highlight 30 can taper towards the combustion chamber 20, as is also shown in FIG. 4. This enables faster heating, with a large part of the optical energy of the laser beam 15 being absorbed by the heating element 30 in the manner described in the previous exemplary embodiments and thus being converted into thermal energy for initiating the combustion process in the combustion chamber 20.
  • Laser beam 15 is directed through the light guide 25 not to the end face 115 but to the upper combustion chamber wall 45 or the opposite side combustion chamber wall 46.
  • a heating element 30 designed as a heating element can be arranged according to the second embodiment, or the upper combustion chamber wall 45 or the opposite combustion chamber wall 46 itself acts as a heating element in the area, in which the laser beam 15 strikes.
  • the heating element can also be an integral part of the upper one Combustion chamber wall 45 or the opposite lateral combustion chamber wall 46.
  • the heating element can be formed by the end surface 115 itself and thus as an integral part of the valve 65 or by a separate heating element which is arranged in the region of the incidence of the laser beam 15 on the end surface 115 on the combustion chamber side.
  • Emphasis 30 can be an integral part of the piston 50 or can be placed on the piston 50 as a separate heating element.
  • heating element 30 is not an integral part of the upper combustion chamber wall 45, one of the two side combustion chamber walls 46, the injection nozzle 60, the valve 65 or the piston 50, it can be attached to the elements mentioned by screwing, shrinking, gluing, vapor deposition or sintering , According to Figure 5a)
  • the heating element 30 can be formed from a different material than the element receiving the heating element, for example the upper combustion chamber wall 45.
  • the heating element can be designed as a coating of one of the elements mentioned, for example the upper combustion chamber wall 45, the upper combustion chamber wall 45 in the Area of the heating element 30 protrude into the combustion chamber 20 and can taper in cross section in order to enable faster heating when the laser beam strikes the heating element 30.
  • This highlighting is identified in FIG. 5b) by reference number 125.
  • the heating element is integrated in the receiving element, for example the upper combustion chamber wall 45, and can protrude into the combustion chamber 20 as an accentuated cross section. According to FIG.
  • the heating element 30 can be attached to the receiving element, for example the upper one Combustion chamber wall 45 can be fastened, for example by means of a screw connection and for example made of a different material than the receiving element.
  • the attachment can also be done in any other way, for example by a plug connection, an adhesive connection, or the like.
  • a first exemplary embodiment for laying the light guide 25 in one of the combustion chamber walls 45, 46 is shown.
  • the light guide 25 can be fastened, for example, by means of an adhesive connection 135 in a bore 140 in one of the side combustion chamber walls 46, the light guide 25 being able to be closed off on the combustion chamber side, that is to say the combustion chamber 20, by an optical window 130, for example a lens.
  • the optical window 130 for example a lens.
  • the light guide 45 can of course also be supplied via the upper combustion chamber wall 45.
  • it can be selected for the fifth exemplary embodiment according to FIG. 4.
  • the light guide 25 does not have to protrude into the combustion chamber 20, but can terminate with the upper combustion chamber wall 45, corresponding to the embodiment according to FIG. 6b), or can according to FIG. 6a) through the optical window 130 to the combustion chamber 20 to be finished.
  • the light guide 25 is located between the injection nozzle 60 and the valve 65.
  • the injection nozzle 60 and the valve 65 are also adjacent to one another in the fifth embodiment according to FIG. 4 and the light guide 25 obliquely in the upper combustion chamber wall 45 is laid in order to be able to direct the laser beam 15 onto the heating element 30 of the piston 50.
  • the laser diode 10 for emitting the laser beam 15 is then suitably arranged at a suitable location so that the laser beam 15 can be coupled into the light guide 25.
  • the operation of the laser diode 10 can take place depending on an operating state of the diesel engine, so that the laser beam 15 is introduced into the combustion chamber 20 and onto the heating element 30 only if the combustion chamber 20 needs to be heated during the starting process or for the warm-up behavior of the diesel engine is so that the energy of the laser diode 10 does not have to be kept permanently available and energy can be saved.
  • the optimal period for heating the heating element 30 by the laser beam 15 by appropriately controlling the laser diode 10 can take place, for example, as a function of the crank angle of the diesel engine 5.
  • the diameter for the bores in the combustion chamber walls 45, 46, which only have to guide the light guide 25 and not also the heating element 30, can be in the region of 3 mm.
  • a deflection of the laser beam 15 by a deflection surface or a reflection surface of the light guide 25 is only necessary if the axis of the light guide 25 does not hit the heating element 30 in its extension, so that the laser beam 15 cannot be guided onto the heating element 30 without deflection measures.
  • the light guide 25 itself is not required if there is a free straight light path between the laser element and the heating element 30.
  • the laser beam 15 is directed via the free linear light path without the light guide 25 onto the heating element 30 and thus directly coupled onto the heating element 30.
  • the laser element 10 is oriented, for example, by means of an adjusting device indicated by the reference numeral 1000 in FIG. 1, in such a way that the laser beam 15 emitted by it is directed over the free straight line
  • Light path is directed to the heating element 30.
  • the receptacle 90 in FIG. 1 can form the free straight light path and the light guide 25 can be omitted.
  • the laser element 10 should be able to be oriented such that the laser beam coincides approximately with the optical axis of the free straight light path and the heating element 30 should also lie in this optical axis. Otherwise, reflectors are required on the walls of the free linear light path, with the aid of which the laser beam 15 from the laser element 10 can be directed onto the heating element 30 via the free linear light path. In this case, the free light path does not necessarily have to be straight.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

L'invention concerne un dispositif d'aide au démarrage (1) pour un moteur à combustion interne (5), en particulier un moteur diesel, destiné à augmenter, de manière peu complexe, la température régnant dans la chambre de combustion (20) de ce moteur à combustion interne (5). Ce dispositif d'aide au démarrage (1) comprend un élément laser (10) qui émet un faisceau laser (15) vers la chambre de combustion (20) du moteur à combustion interne (5). Le dispositif selon l'invention comprend des moyens (25) conçus pour diriger le faisceau laser (15) sur un élément de chauffage (30) disposé dans la chambre de combustion (20).
PCT/DE2003/000693 2002-06-19 2003-03-03 Dispositif d'aide au demarrage pour moteur a combustion interne Ceased WO2004001221A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10227282.4 2002-06-19
DE2002127282 DE10227282A1 (de) 2002-06-19 2002-06-19 Starthilfsmittel für einen Verbrennungsmotor

Publications (1)

Publication Number Publication Date
WO2004001221A1 true WO2004001221A1 (fr) 2003-12-31

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PCT/DE2003/000693 Ceased WO2004001221A1 (fr) 2002-06-19 2003-03-03 Dispositif d'aide au demarrage pour moteur a combustion interne

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DE (1) DE10227282A1 (fr)
WO (1) WO2004001221A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009028307A1 (fr) * 2007-08-24 2009-03-05 Ngk Spark Plug Co., Ltd. Bougie incandescente et système de commande de bougie incandescente
JP2009052789A (ja) * 2007-08-24 2009-03-12 Ngk Spark Plug Co Ltd グロープラグ及びグロープラグ制御システム
JP2009052790A (ja) * 2007-08-24 2009-03-12 Ngk Spark Plug Co Ltd グロープラグ
WO2009116879A3 (fr) * 2008-03-17 2009-11-12 Wieslaw Oledzki Dispositif d’allumage par laser pour moteur à combustion
DE102009004059A1 (de) 2009-01-08 2010-07-29 Giese, Erhard, Dr. Glühkerze
WO2010112276A1 (fr) * 2009-04-03 2010-10-07 Robert Bosch Gmbh Piston pour un moteur à combustion interne
US8181617B2 (en) 2007-03-29 2012-05-22 Multitorch Gmbh Laser ignition for gas mixtures
DE102006012608B4 (de) * 2005-06-28 2012-11-29 Johannes Escherich Vorrichtung zum Einbringen von Kraftstoff für eine Kraftmaschine
WO2013054188A3 (fr) * 2011-10-14 2013-06-13 Borissovskiy Vladimir Chambre de combustion d'un moteur diesel, procédé d'allumage d'un mélange carburant-air dans une chambre de combustion d'un moteur diesel, et moteur diesel associé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005078256A2 (fr) * 2004-02-13 2005-08-25 Avl List Gmbh Moteur a combustion interne a allumage commande et injection directe

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JPS59155573A (ja) * 1983-02-25 1984-09-04 Toyota Motor Corp デイ−ゼルエンジンの着火補助装置
JPS60150480A (ja) * 1984-01-13 1985-08-08 Nippon Denso Co Ltd デイ−ゼルエンジンの始動補助及び燃焼安定化装置
JPH0868374A (ja) * 1994-08-29 1996-03-12 Mitsubishi Heavy Ind Ltd レーザ着火装置
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012608B4 (de) * 2005-06-28 2012-11-29 Johannes Escherich Vorrichtung zum Einbringen von Kraftstoff für eine Kraftmaschine
US8181617B2 (en) 2007-03-29 2012-05-22 Multitorch Gmbh Laser ignition for gas mixtures
WO2009028307A1 (fr) * 2007-08-24 2009-03-05 Ngk Spark Plug Co., Ltd. Bougie incandescente et système de commande de bougie incandescente
JP2009052789A (ja) * 2007-08-24 2009-03-12 Ngk Spark Plug Co Ltd グロープラグ及びグロープラグ制御システム
JP2009052790A (ja) * 2007-08-24 2009-03-12 Ngk Spark Plug Co Ltd グロープラグ
WO2009116879A3 (fr) * 2008-03-17 2009-11-12 Wieslaw Oledzki Dispositif d’allumage par laser pour moteur à combustion
US8322320B2 (en) 2008-03-17 2012-12-04 Wieslaw Oledzki Laser ignition device for combustion engine
DE102009004059A1 (de) 2009-01-08 2010-07-29 Giese, Erhard, Dr. Glühkerze
DE102009004059B4 (de) * 2009-01-08 2010-09-30 Giese, Erhard, Dr. Glühkerze
WO2010112276A1 (fr) * 2009-04-03 2010-10-07 Robert Bosch Gmbh Piston pour un moteur à combustion interne
WO2013054188A3 (fr) * 2011-10-14 2013-06-13 Borissovskiy Vladimir Chambre de combustion d'un moteur diesel, procédé d'allumage d'un mélange carburant-air dans une chambre de combustion d'un moteur diesel, et moteur diesel associé
US9739232B2 (en) 2011-10-14 2017-08-22 Vladimir Borissovskiy Igniting a fuel-air mixture in a combustion chamber of a diesel engine

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Publication number Publication date
DE10227282A1 (de) 2004-01-15

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