EP1556932A1 - Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambre - Google Patents
Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambreInfo
- Publication number
- EP1556932A1 EP1556932A1 EP03778403A EP03778403A EP1556932A1 EP 1556932 A1 EP1556932 A1 EP 1556932A1 EP 03778403 A EP03778403 A EP 03778403A EP 03778403 A EP03778403 A EP 03778403A EP 1556932 A1 EP1556932 A1 EP 1556932A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- prechamber
- ignition device
- passages
- igniter
- thermal conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
- F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
Definitions
- Prechamber ignition device made of a material with high thermal conductivity, for an internal combustion engine, and prechamber igniter
- the present invention relates to an ignition device for an internal combustion engine, as well as to a prechamber igniter.
- the ignition device comprises a prechamber igniter which can be screwed in place of a conventional spark plug without modification of the cylinder head of the internal combustion engine (diameter less than or equal to 14 mm), the means for igniting an oxidant and fuel mixture being contained in a prechamber defined by a body the head of which is provided with passages.
- the igniter prechamber when the prechamber igniter is mounted in the cylinder head of the engine, the igniter prechamber is separated from the main combustion chamber of the engine by the head of the prechamber body and communicates with the main combustion chamber through the intermediate passages made in this head.
- the prechamber igniter may optionally be provided with means making it possible to introduce the reactants directly into the prechamber.
- US Patent 4,926,818 describes a device and a method for generating pulsed jets intended to form vortex combustion pockets.
- the device described comprises a main chamber containing a main fuel mixture in which moves a piston and a prechamber receiving reagents and communicating with the main chamber through orifices made in a wall.
- the ignition of the reactants in the prechamber produces jets of gas in combustion, which ignite the main mixture contained in the main chamber by convection of the flame front.
- Patent application FR 2 781 840 describes an ignition device for an internal combustion engine comprising:
- a main chamber intended to contain a main combustible mixture, and provided with a system for compressing said mixture
- a prechamber intended to receive reagents and communicating with the main chamber through orifices made in a wall separating the main chamber from the prechamber, - an ignition system for the reagents contained in the prechamber.
- the orifices are of small diameter and able to prevent the passage of a flame front while allowing the passage of unstable compounds originating from the combustion of the reagents contained in the prechamber.
- the compression system and the seeding of the main mixture with unstable compounds allow mass self-ignition of the initial mixture.
- Patent application FR 2 810 692 also relates to an ignition device of an internal combustion engine comprising a prechamber of generally cylindrical shape, similar to that described in application FR 2 781 840, but whose passages communicating with the chamber main combustion are circumscribed by a circular curve passing through the outermost passage centers, the diameter of this circular curve being in a ratio less than or equal to VI with the diameter of the cylindrical prechamber.
- This arrangement allows the engine to operate with a small quantity of combustion air, in particular when the composition of the air-fuel mixture in the main chamber is stoichiometric, for reasons of pollution control with a three-way catalyst.
- the present invention relates to an ignition device for an internal combustion engine which can have the following advantages: - reduction in the fuel enrichment of the air-fuel mixture when the engine is running at full load,
- the invention relates to an ignition device of an internal combustion engine, comprising:
- a main chamber intended to contain a main combustible mixture, and provided with a system for compressing said mixture, an igniter comprising a prechamber intended to receive reagents and a system for igniting the reagents contained in the prechamber, said prechamber being defined by a prechamber body having a head comprising at least one passage, said head of the prechamber body separating the prechamber of the main bedroom and communicating the prechamber and the main bedroom through the passage (s).
- said prechamber body is made of a material having a thermal conductivity at 20 ° C of at least 10 W / K / m.
- the prechamber body is made of a material having a thermal conductivity at 20 ° C of at least 30 W / K / m, better still at least 50 W / K / m.
- the thermal conductivity at 20 ° C of the material from which the body of the prechamber is made does not exceed 350 W / K / m.
- the prechamber body according to the invention one can use any type of material whose thermal conductivity is as defined above and which is capable of withstanding the temperature and pressure constraints due to the operation of the ignition device.
- copper alloys can be used.
- the material constituting the prechamber body according to the invention is chosen from binary brasses, cupro-nickel, cupro-aluminum and nickel silver.
- the alloys CuZn5, CuZn10, CuZn15, CuZn30, CuZn33, CuZn36, CuZn36, CuNi44Mn, CuNi ⁇ F, CuAI5, CuNi2, CuNi21, CuNi10 CuZn ⁇ alloy whose thermal conductivity at 20 ° C is 234 W / (mK).
- the composition of these alloys is given by standard NF A51 -101
- a particularly preferred material for the prechamber body according to the invention is the alloy CuCrI Zr, the thermal conductivity of which
- 20 ° C is 320 W / K / m.
- This alloy comprises, by weight, more than 0.4% of chromium, from 0.02 to 0.1% of zirconium, the complement to 100% being copper.
- These alloys with high thermal conductivity are particularly suitable for prechamber igniters intended to be used with highly supercharged internal combustion engines, that is to say having an effective average pressure greater than or equal to 13 bars. Mention may be made, for example, of motors for compressors or turbochargers.
- the use of such a material according to the invention makes it possible to better dissipate the energy at the level of the body of the prechamber and thus to avoid the appearance of hot spots.
- the combustion mode resulting from the use of the ignition device according to the invention ensures a combustion speed sufficient to dispense with an increase in the combustion speed via aerodynamics.
- the main mixture contained in the main chamber is ignited by convection of the flame front resulting from the ignition of the reagents contained in the prechamber.
- the passage or passages are preferably of cylindrical shape and of diameter greater than 1 mm.
- the passage or passages are capable of preventing the propagation of a flame front while allowing the propagation of unstable compounds originating from the combustion of the reagents contained in the prechamber, the compression system of the main chamber and seeding the main mixture with said unstable compounds allowing mass self-ignition of the main mixture.
- Self-ignition in a large volume allows a very rapid pressure build-up, a reduction in knocking and good repeatability.
- the said passage or passages are preferably of cylindrical shape and of diameter less than or equal to 1 mm. More preferably, the said passage or passages have a length less than or equal to their diameter. By length is meant the dimension of the passages in a direction perpendicular to the surface of the partition wall. In this way, the least possible of unstable compounds are trapped on the walls.
- the number of passage (s) is between 1 and 20, preferably between 3 and 15.
- the upper part of the prechamber body, not attached to the main chamber has the shape of a cylinder of internal diameter ⁇ , and
- the head of the prechamber body comprises several passages, said passages being circumscribed by a circular curve of diameter d 2 passing through the centers of the outermost passages, the ratio d 2 / ⁇ being less than or equal to 0.5.
- the ratio d 2 / ⁇ is less than or equal to 1/3.
- the center of the curve passing through the centers of the outermost passages is located on the axis of symmetry of the prechamber.
- the center of the curve passing through the centers of the outermost passages can be located at a distance d 3 from the axis of symmetry of the prechamber, equal to or greater than a quarter of the diameter ⁇ of the prechamber.
- the invention also relates to an igniter for an internal combustion engine comprising a prechamber defined by a prechamber body having a head provided with at least one passage, the prechamber being intended to contain a combustible mixture, and a system for igniting the mixture.
- fuel contained in the prechamber said prechamber body being made of a material having a thermal conductivity at 20 ° C of at least 10 W / K / m, preferably at least 30 W / K / m, better at least 50 W / K / m, and less than or equal to 350 W / K / m.
- the prechamber body is made of a copper alloy. More preferably, the material constituting the prechamber body according to the invention is chosen from binary brasses, cupro-nickel, cupro-aluminum and nickel silver.
- a particularly preferred material for the prechamber body of the igniter according to the invention is the CuCrIZr alloy, the thermal conductivity of which at 20 ° C. is 320 W / K / m.
- Figure 1 shows a schematic view, partially in section, of an ignition device comprising a prechamber igniter according to the invention.
- Figure 2 shows a schematic view in vertical section of the prechamber body of an igniter according to the invention.
- Figure 3 is a bottom view of the head of a prechamber body of an igniter according to the invention.
- a cylinder of an internal combustion engine shown in the
- Figure 1 comprises a main chamber 1 delimited by a jacket (not shown) and closed above by a cylinder head 10.
- the main chamber 1 contains a piston (not shown) actuated in translation by a connecting rod (not shown) .
- An igniter 11 with prechamber according to the invention is fixed in the cylinder head 10 so as to be adjacent to the main chamber 1, for example by screwing into a thread 10a of the cylinder head 10.
- the igniter 1 1 comprises a prechamber body 12, of generally tubular shape, comprising a head 12a, preferably having the shape of a spherical cap, defining a prechamber 2.
- the head 12a of the prechamber body 12 constitutes a partition wall between the main chamber 1 and the prechamber 2.
- the head 12a communicates the prechamber 2 with the main chamber 1 via passages (15).
- the prechamber body 12 is made of a material having a thermal conductivity at 20 ° C of at least 10 W / K / m, preferably at least 20 W / K / m, better still at least 50 W / K / m.
- the thermal conductivity at 20 ° C of the material from which the prechamber body is made does not exceed 350 W / K / m.
- the prechamber body 12 is produced from the CuCrIZr alloy, the thermal conductivity of which at 20 ° C. is 320 W / K / m.
- the prechamber 2 has a volume of between 0.2 cm 3 and 2 cm 3 , preferably between 0.5 cm 3 and 1.5 cm 3 .
- the S / V ratio between the sum of the sections of the passages 1 ⁇ of the prechamber and the volume of the prechamber is between 10 "3 mm " 1 and ⁇ .10 "2 mm “ 1 .
- the igniter may also include an inlet (not shown) allowing the pre-chamber 2 to be supplied with a mixture of air-fuel reagents formed upstream or to introduce fuel, the air being mixed with the fuel in the pre-chamber 2.
- the prechamber is provided with an ignition system comprising a central electrode 13 and a ground electrode 14.
- the interelectrode space is for example of the order of 0.7 mm.
- the passages 15 are orifices preferably having a diameter greater than 1 mm.
- the passages 15 When it is desired to prevent, during ignition, the passage of a flame front while allowing the passage of unstable compounds (ignition of the main mixture by self-ignition), the passages 15 then have a small diameter, generally less than 1 mm, and, advantageously, a length less than their diameter.
- the passages 1 ⁇ advantageously belong to a circle of diameter d 2 corresponding substantially to half the diameter ⁇ of the prechamber.
- the center of this circle can be on the axis of symmetry 2b of the prechamber 2, as shown in Figure 2.
- the center of this circle can also be located at a distance d 3 from the axis of symmetry 2b of the prechamber 2, as shown in Figure 3, on which passages 15 8 in number have been shown.
- An air-fuel mixture is introduced into the main chamber and the prechamber 2 is supplied.
- a spark is then produced between the electrodes 13 and 14, thereby initiating combustion in the prechamber 2, so that the temperature and the pressure increase. her breast.
- the high thermal conductivity of the prechamber body allows energy to be evacuated at the level of the prechamber body and thus avoids the appearance of hot spots.
- the resulting combustion mode ensures a sufficient combustion speed to dispense with an increase in the combustion speed via aerodynamics. We can thus reduce the enrichment when the engine is running at full load. The phenomenon of rattling is also considerably reduced.
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0213017A FR2846042B1 (fr) | 2002-10-18 | 2002-10-18 | Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambre |
FR0213017 | 2002-10-18 | ||
PCT/FR2003/003083 WO2004036709A1 (fr) | 2002-10-18 | 2003-10-17 | Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1556932A1 true EP1556932A1 (fr) | 2005-07-27 |
EP1556932B1 EP1556932B1 (fr) | 2008-07-09 |
Family
ID=32050530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03778403A Expired - Lifetime EP1556932B1 (fr) | 2002-10-18 | 2003-10-17 | Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambre |
Country Status (8)
Country | Link |
---|---|
US (1) | US7104245B2 (fr) |
EP (1) | EP1556932B1 (fr) |
JP (1) | JP2006503218A (fr) |
AT (1) | ATE400912T1 (fr) |
DE (1) | DE60322089D1 (fr) |
ES (1) | ES2307997T3 (fr) |
FR (1) | FR2846042B1 (fr) |
WO (1) | WO2004036709A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9172217B2 (en) | 2010-11-23 | 2015-10-27 | Woodward, Inc. | Pre-chamber spark plug with tubular electrode and method of manufacturing same |
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 |
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 |
US9893497B2 (en) | 2010-11-23 | 2018-02-13 | Woodward, Inc. | Controlled spark ignited flame kernel flow |
US9890689B2 (en) | 2015-10-29 | 2018-02-13 | Woodward, Inc. | Gaseous fuel combustion |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003232676A1 (en) * | 2003-05-30 | 2005-01-21 | In-Tae Johng | Ignition plugs for internal combustion engine |
JP4473802B2 (ja) * | 2005-09-15 | 2010-06-02 | ヤンマー株式会社 | 火花点火機関 |
JP2007113536A (ja) * | 2005-10-24 | 2007-05-10 | Nissan Motor Co Ltd | 副室式内燃機関 |
US7798118B2 (en) * | 2007-01-12 | 2010-09-21 | Econo Plug Technologies Inc. | Method and apparatus for incorporation of a flame front—type ignition system into an internal combustion engine |
DE102009000956A1 (de) * | 2009-02-18 | 2010-08-19 | Robert Bosch Gmbh | Laserzündkerze und Vorkammermodul hierfür |
US8657641B2 (en) * | 2009-09-11 | 2014-02-25 | Woodward Inc. | Method for forming an electrode for a spark plug |
DE102009047019A1 (de) * | 2009-11-23 | 2011-05-26 | Robert Bosch Gmbh | Laserzündkerze |
DE102010003899A1 (de) * | 2010-04-13 | 2011-10-13 | Robert Bosch Gmbh | Laserzündkerze mit einer Vorkammer |
US9217360B2 (en) | 2011-12-01 | 2015-12-22 | Cummins Intellectual Property, Inc. | Prechamber device for internal combustion engine |
JP6030473B2 (ja) * | 2013-02-20 | 2016-11-24 | 日本特殊陶業株式会社 | 点火プラグ及びエンジン |
US8839762B1 (en) | 2013-06-10 | 2014-09-23 | Woodward, Inc. | Multi-chamber igniter |
DE102013221963B4 (de) | 2013-10-29 | 2019-10-17 | Dkt Verwaltungs-Gmbh | Vorkammerzündkerze |
US9593622B2 (en) * | 2015-02-09 | 2017-03-14 | Caterpillar Inc. | Combustion system, nozzle for prechamber assembly, and method of making same |
EP3095981A1 (fr) * | 2015-05-22 | 2016-11-23 | Caterpillar Motoren GmbH & Co. KG | Allumage contre courant dans des moteurs à combustion interne |
US20160053672A1 (en) * | 2015-11-05 | 2016-02-25 | Caterpillar Inc. | Fuel supply system for engine |
JP6556037B2 (ja) * | 2015-12-04 | 2019-08-07 | 株式会社デンソー | 内燃機関及び点火プラグ |
DE102016206992A1 (de) * | 2016-04-25 | 2017-10-26 | Dkt Verwaltungs-Gmbh | Zündkerze |
JP7001634B2 (ja) * | 2019-05-07 | 2022-01-19 | 日本特殊陶業株式会社 | スパークプラグ |
JP7365790B2 (ja) * | 2019-05-20 | 2023-10-20 | 株式会社デンソー | 内燃機関及びスパークプラグ |
DE102020103863B4 (de) | 2020-02-14 | 2023-04-27 | Bayerische Motoren Werke Aktiengesellschaft | Fremd gezündete Hubkolben-Brennkraftmaschine mit einem Vorkammerzündsystem |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2047575A (en) * | 1935-07-02 | 1936-07-14 | Richard J Burtnett | Spark plug |
US2739578A (en) * | 1950-07-20 | 1956-03-27 | Daimler Benz Ag | Precombustion diesel engine |
US3892216A (en) * | 1973-10-23 | 1975-07-01 | Eaton Corp | Composite article and method of making same |
US4176649A (en) * | 1976-05-10 | 1979-12-04 | Toyota Motor Company, Ltd. | Emission control |
DE3303048C2 (de) * | 1982-06-18 | 1984-11-29 | Feldmühle AG, 4000 Düsseldorf | Vor- oder Wirbelkammer für Verbrennungsmotoren und Verfahren zu deren Herstellung |
US4926818A (en) * | 1989-02-24 | 1990-05-22 | The Regents Of The University Of California | Pulsed jet combustion generator for premixed charge engines |
JP3073118B2 (ja) * | 1993-04-20 | 2000-08-07 | 株式会社日立製作所 | 筒内噴射式内燃機関 |
DE19734970A1 (de) * | 1997-08-13 | 1999-02-18 | Volkswagen Ag | Bauteil für ein Kraftfahrzeug, vorzugsweise ein Zylinderkopf einer Brennkraftmaschine |
FR2781840B1 (fr) | 1998-07-31 | 2000-10-13 | Univ Orleans | Dispositif et procede d'allumage pour moteur a combustion interne et paroi de separation correspondante |
FR2810692B1 (fr) * | 2000-06-23 | 2002-11-29 | Peugeot Citroen Automobiles Sa | Dispositif d'allumage pour moteur a combustion interne a prechambre |
-
2002
- 2002-10-18 FR FR0213017A patent/FR2846042B1/fr not_active Expired - Fee Related
-
2003
- 2003-10-17 DE DE60322089T patent/DE60322089D1/de not_active Expired - Fee Related
- 2003-10-17 US US10/531,722 patent/US7104245B2/en not_active Expired - Fee Related
- 2003-10-17 JP JP2004544402A patent/JP2006503218A/ja active Pending
- 2003-10-17 EP EP03778403A patent/EP1556932B1/fr not_active Expired - Lifetime
- 2003-10-17 AT AT03778403T patent/ATE400912T1/de not_active IP Right Cessation
- 2003-10-17 WO PCT/FR2003/003083 patent/WO2004036709A1/fr active IP Right Grant
- 2003-10-17 ES ES03778403T patent/ES2307997T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004036709A1 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9172217B2 (en) | 2010-11-23 | 2015-10-27 | Woodward, Inc. | Pre-chamber spark plug with tubular electrode and method of manufacturing same |
US9476347B2 (en) | 2010-11-23 | 2016-10-25 | Woodward, Inc. | Controlled spark ignited flame kernel flow in fuel-fed prechambers |
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 |
US11674494B2 (en) | 2010-11-23 | 2023-06-13 | Woodward, Inc. | Pre-chamber spark plug with tubular electrode and method of manufacturing same |
US9856848B2 (en) | 2013-01-08 | 2018-01-02 | Woodward, Inc. | Quiescent chamber hot gas igniter |
US10054102B2 (en) | 2013-01-08 | 2018-08-21 | Woodward, Inc. | Quiescent chamber hot gas igniter |
US9765682B2 (en) | 2013-06-10 | 2017-09-19 | Woodward, Inc. | Multi-chamber igniter |
US9653886B2 (en) | 2015-03-20 | 2017-05-16 | Woodward, Inc. | Cap shielded ignition system |
US9840963B2 (en) | 2015-03-20 | 2017-12-12 | Woodward, Inc. | Parallel prechamber ignition system |
US9843165B2 (en) | 2015-03-20 | 2017-12-12 | Woodward, Inc. | Cap shielded ignition system |
US9890689B2 (en) | 2015-10-29 | 2018-02-13 | Woodward, Inc. | Gaseous fuel combustion |
Also Published As
Publication number | Publication date |
---|---|
FR2846042B1 (fr) | 2005-02-04 |
US7104245B2 (en) | 2006-09-12 |
FR2846042A1 (fr) | 2004-04-23 |
JP2006503218A (ja) | 2006-01-26 |
EP1556932B1 (fr) | 2008-07-09 |
ATE400912T1 (de) | 2008-07-15 |
WO2004036709A1 (fr) | 2004-04-29 |
ES2307997T3 (es) | 2008-12-01 |
US20050268882A1 (en) | 2005-12-08 |
DE60322089D1 (de) | 2008-08-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1556932B1 (fr) | Dispositif d'allumage a prechambre realisee dans un materiau a conductivite thermique elevee, pour un moteur a combustion interne, et allumeur a prechambre | |
EP1556592B1 (fr) | Dispositif d'allumage a prechambre pour un moteur a combustion interne, allumeur a prechambre et procede d'allumage | |
EP3560049B1 (fr) | Bougie d'allumage a electrode-navette | |
EP1556593B1 (fr) | Dispositif d'allumage a prechambre revetue d'un revetement refractaire pour un moteur a combustion interne, et allumeur a prechambre. | |
FR2846041A1 (fr) | Moteur a combustion interne a suralimentation et bougie a prechambre, procede d'allumage et application | |
FR2763639A1 (fr) | Moteur a combustion interne a injection de carburant avec chambre de sous-combustion | |
FR2846043A1 (fr) | Moteur a combustion interne a injection directe et bougie a prechambre, procede d'allumage et application | |
EP1464804B1 (fr) | Moteur à combustion interne à préchambre et allumage commandé | |
EP1102923B1 (fr) | Dispositif et procede d'allumage pour moteur a combustion interne et paroi de separation correspondante | |
FR3114614A1 (fr) | Dispositif d’allumage à préchambre pour moteur à combustion interne à allumage commandé | |
FR2814288A1 (fr) | Dispositif d'allumage pour moteur a combustion interne | |
EP3462005B1 (fr) | Chambre de combustion de forme elliptique | |
FR2628478A1 (fr) | Moteur a combustion interne et compression de melange, comportant une chambre de combustion principale et une chambre de combustion auxiliaire | |
EP1411221A2 (fr) | Dispositif d'allumage à préchambre pour un moteur à combustion interne | |
FR2831604A1 (fr) | Moteur thermique a bougies peripheriques | |
EP4103824A1 (fr) | Prechambre d'allumage a clapet a sens de combustion inverse | |
FR2743109A1 (fr) | Moteur a combustion interne a allumage commande muni d'une prechambre perfectionnee d'amorcage de la combustion | |
EP3974632B1 (fr) | Revêtement thermique pour un moteur à combustion interne à allumage commandé | |
FR3106619A1 (fr) | Pré-chambre multi-sites | |
EP0626508B1 (fr) | Moteur à allumage par compression comportant au moins un cylindre et une préchambre communiquant par l'intermédiaire de deux canaux de transfert | |
FR2652614A1 (fr) | Appareil destine a injecter de l'air dans un moteur a combustion interne, apres la combustion, et bougie d'allumage destinee a etre utilisee avec un tel appareil. | |
FR2524550A1 (fr) | Moteur a explosion a piston rotatif | |
FR2819019A1 (fr) | Bougie de prechauffage du melange air/carburant dans une chambre de combustion | |
FR2799795A1 (fr) | Chambre de combustion a confinement thermique | |
BE536745A (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050518 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: TOURTEAUX, NICOLAS Inventor name: ROBINET, CYRIL |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 60322089 Country of ref document: DE Date of ref document: 20080821 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: FRENCH |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2307997 Country of ref document: ES Kind code of ref document: T3 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20080926 Year of fee payment: 6 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: 746 Effective date: 20081222 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081209 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20081030 Year of fee payment: 6 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081009 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20081007 Year of fee payment: 6 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20081016 Year of fee payment: 6 |
|
BERE | Be: lapsed |
Owner name: PEUGEOT CITROEN AUTOMOBILES SA Effective date: 20081031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20081028 Year of fee payment: 6 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081031 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
26N | No opposition filed |
Effective date: 20090414 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081031 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081009 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20100630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081017 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090110 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100501 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091102 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080709 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081010 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091017 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20110307 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091017 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110304 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091018 |