WO2009147335A2 - Pilotage de l' alimentation electrique d'une bougie d'allumage d'un moteur a combustion interne - Google Patents
Pilotage de l' alimentation electrique d'une bougie d'allumage d'un moteur a combustion interne Download PDFInfo
- Publication number
- WO2009147335A2 WO2009147335A2 PCT/FR2009/050818 FR2009050818W WO2009147335A2 WO 2009147335 A2 WO2009147335 A2 WO 2009147335A2 FR 2009050818 W FR2009050818 W FR 2009050818W WO 2009147335 A2 WO2009147335 A2 WO 2009147335A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- spark
- ignition
- electrical
- spark plug
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000010892 electric spark Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
-
- 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
- the present invention relates to a method of supplying an electric spark plug to an electrical voltage ensuring the generation of a branched ignition spark, in particular of an internal combustion engine.
- the size of the spark (of the order of one cubic mm) is limited by the distance between two electrodes of the candle.
- Another object is to significantly increase the degree of branching of the radiofrequency spark (ie the total number of filaments simultaneously generated) and thus increase this spark and therefore its ignition efficiency of the mixture coming into its environment.
- a proposed solution to at least tend towards this (these) goal (s) is that the power supply of the candle (in particular radiofrequency) comprises a stage of increase in stages (with thus at least such a step), until to the appropriate ignition voltage, the supply voltage of this candle.
- the electrical energy supply means of the spark plug be adapted to generate a first spark ignition voltage and, for then, increasing this first electrical voltage step (s) until said adapted ignition voltage.
- FIG. 1 schematizes a radio frequency candle mounted on an internal combustion engine
- FIG. 2 schematizes a typical time evolution. / voltage, on the RF candles controlled in a traditional manner
- Figures 3,4 schematically an example of time / voltage evolution according to the invention, on a RF candle piloted differently
- Figure 5 shows a branched spark that can be obtained with the control according to fig.3,4; to compare with the spark of fig.l ..
- FIG. 1 shows a radiofrequency (RF) resonant candle 1 mounted on the cylinder head 3 of an internal combustion engine 5.
- the tip 1a of the spark plug opens into the combustion chamber 7 of the engine where the mixture is injected to ignite.
- RF radiofrequency
- This RF plasma candle 1 is excited by a low voltage RF power supply 9 driven by a computer 11 on board the vehicle provided with said engine. Each multi-filament spark 13 is thus formed from the single tip of the candle.
- such a multi-filament structure is, during the next phase 15b (between t_1 and t_2 fig.l), heated up to a few thousand 0 C by the electric current supplied by the controlled RF power supply 9.
- the electrical voltage (substantially Um) applied to the candle remains (approximately) constant throughout this second phase.
- the hot filaments cause ignition of the mixture in the cylinder of the internal combustion engine to which the combustion chamber 7 is associated.
- the length L_ (of the order of one cm, fig.l) of the filaments 13 formed at the end of the 15bl phase depends only on the maximum amplitude of the voltage U applied to the tip 1a.
- the amplitude of the RF voltage Um corresponding to the maximum electrical voltage (or adapted ignition voltage) applied to the tip of the spark plug, is kept stable (constant), the length of the filaments 13 and their number do not change anymore or almost no longer.
- the degree of branching that is to say the number of bifurcation points, such as those identified 13a, 13b Figure 1
- the filaments formed during the formation phase are rather straight with few bifurcation points (2-3 at most, typically) which limits the size of the spark.
- the inventors propose to modify the power supply mode of the RF candle 1, as illustrated in particular in FIG.
- Figure 3 thus shows such a voltage rise in several stages, here two: 17.1 and 17.2. It is therefore found that with the solution of the invention and in the implementation example shown in FIG. 3, it is not possible, initially, between t_0 and t_10, to increase the electrical voltage until a value UJ 1 just necessary for the formation of the filaments 130 of 1st generation, namely those marked as "a” in particular Figure 5, all originating from the tip of the electrode of the candle.
- the RF power supply stabilizes the amplitude of the applied voltage and maintains it substantially at Ol for a few ⁇ s (from 2 to 5 ⁇ s in the proposed embodiment) until time t 20.
- the RF supply increases again (continuously) the amplitude of the spark plug voltage, up to the intermediate voltage U2_ (with of course U2_ greater than Ol).
- the difference in voltages between the zero voltage and that U1 of the first voltage stage will be greater than the difference in electrical voltages between the electric voltage U1 of the first voltage stage and said matched ignition voltage Um, as shown schematically in FIG. 3.4. Because the diameter of the ionized filaments 130
- the RF supply further increases the voltage of the candle 1a, causing the birth of the 3rd generation of the filaments 130 "c" from the ends of the filaments of the previous generation.
- such a multi-filamentary structure is, during the next phase 150b, heated (as above) until a few thousand 0 C by the electric current supplied by the controlled RF power supply 9.
- the voltage (Um) applied to the candle remains (substantially) constant throughout this second phase, as shown fig.3.
- the hot filaments cause the ignition of the mixture in the cylinder of the internal combustion engine to which the combustion chamber 7 is associated.
- a duration of voltage steps between two voltage increases (such as t_10 - t_20 and t_30 - t_40) will be applied greater than the time interval between two successive stages of increase of said voltage (such as t_20 - t_30).
- the electrical power supply means 9,11 have been adapted to the previous situation of Fig.2 to, as and when the bearings 17.1 ... beyond the first voltage Ul ⁇ d igniting the spark, generating the creation of new branches 130b ... at the end (round (s) full (s)) of the electric spark created at the first level.
- spark 130 generally formed in this way is characterized by a much higher degree of branching than in the case of the conventional excitation shown schematically in FIG. We can estimate the
- Ntotal ⁇ 39 is found to be -10 times more than in the case of conventional RF excitation.
- the total overall length of the spark at the end of its feeding is much greater than in the case of conventional feeding (see figs .1 and 5). This increases the probability of encounter between the hot arc and the fuel / air mixture and thus makes the ignition more efficient.
Landscapes
- 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)
- Plasma & Fusion (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980129022.5A CN102105677B (zh) | 2008-06-05 | 2009-05-05 | 对于内燃机火花塞的供电控制 |
US12/996,504 US8925532B2 (en) | 2008-06-05 | 2009-05-05 | Power supply control for spark plug of internal combustion engine |
MX2010013200A MX2010013200A (es) | 2008-06-05 | 2009-05-05 | Control de alimentacion de energia para bujia de motor de combustion interna. |
EP09757711.8A EP2307702B1 (fr) | 2008-06-05 | 2009-05-05 | Pilotage de l'alimentation electrique d'une bougie d'allumage d'un moteur a combustion interne |
RU2010154154/07A RU2497019C2 (ru) | 2008-06-05 | 2009-05-05 | Управление электропитанием свечи зажигания двигателя внутреннего сгорания |
JP2011512175A JP5276714B2 (ja) | 2008-06-05 | 2009-05-05 | 内燃エンジンのスパークプラグへの電源供給制御 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0853737 | 2008-06-05 | ||
FR0853737A FR2932229B1 (fr) | 2008-06-05 | 2008-06-05 | Pilotage de l'alimentation electrique d'une bougie d'allumage d'un moteur a combustion interne |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009147335A2 true WO2009147335A2 (fr) | 2009-12-10 |
WO2009147335A3 WO2009147335A3 (fr) | 2010-01-28 |
Family
ID=40329276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2009/050818 WO2009147335A2 (fr) | 2008-06-05 | 2009-05-05 | Pilotage de l' alimentation electrique d'une bougie d'allumage d'un moteur a combustion interne |
Country Status (9)
Country | Link |
---|---|
US (1) | US8925532B2 (fr) |
EP (1) | EP2307702B1 (fr) |
JP (1) | JP5276714B2 (fr) |
KR (1) | KR20110027753A (fr) |
CN (1) | CN102105677B (fr) |
FR (1) | FR2932229B1 (fr) |
MX (1) | MX2010013200A (fr) |
RU (1) | RU2497019C2 (fr) |
WO (1) | WO2009147335A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110253114A1 (en) * | 2010-04-17 | 2011-10-20 | Schremmer Torsten | Method for Igniting a Fuel/Air Mixture of a Combustion Chamber, in Particular in an Internal Combustion Engine, by Creating a Corona Discharge |
WO2012070172A1 (fr) | 2010-11-25 | 2012-05-31 | 日本特殊陶業株式会社 | Dispositif d'allumage du plasma et procédé d'allumage du plasma |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6277413B1 (en) | 1998-07-17 | 2001-08-21 | Skyepharma, Inc. | Biodegradable compositions for the controlled release of encapsulated substances |
FR2943739B1 (fr) | 2009-03-24 | 2015-09-04 | Renault Sas | Procede d'allumage d'un melange de comburant pour moteur thermique |
WO2011065162A1 (fr) * | 2009-11-30 | 2011-06-03 | イマジニアリング株式会社 | Dispositif de commande de moteur à combustion interne |
DE102012100841B3 (de) * | 2012-02-01 | 2013-05-29 | Borgwarner Beru Systems Gmbh | Verfahren zum Steuern des Zündzeitpunktes in einem Verbrennungsmotor mittels einer Korona-Entladung |
WO2014100801A1 (fr) * | 2012-12-21 | 2014-06-26 | Federal-Mogul Ignition Company | Stratégie de commande entre événements de systèmes d'allumage à effet corona |
CN104076726B (zh) * | 2014-07-09 | 2017-02-01 | 安徽研扬科贸有限公司 | 一种加热丝电源控制方法 |
US9484719B2 (en) | 2014-07-11 | 2016-11-01 | Ming Zheng | Active-control resonant ignition system |
US10819696B2 (en) | 2017-07-13 | 2020-10-27 | Microsoft Technology Licensing, Llc | Key attestation statement generation providing device anonymity |
Citations (3)
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DE102004039259A1 (de) * | 2004-08-13 | 2006-02-23 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Zünden einer Brennkraftmaschine |
FR2878086A1 (fr) * | 2004-11-16 | 2006-05-19 | Renault Sas | Bougie a plasma radiofrequence |
FR2895169A1 (fr) * | 2005-12-15 | 2007-06-22 | Renault Sas | Optimisation de la frequence d'excitation d'un resonateur |
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US3974412A (en) * | 1975-02-03 | 1976-08-10 | Massachusetts Institute Of Technology | Spark plug employing both corona discharge and arc discharge and a system employing the same |
DE2611596C2 (de) * | 1976-03-19 | 1985-06-20 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Erzeugung von Zündfunken bei hohem Zündspannungsbedarf für Zündanlagen von Brennkraftmaschinen |
FR2497273B1 (fr) * | 1980-12-29 | 1985-09-20 | Onera (Off Nat Aerospatiale) | Procede et dispositif pour allumage d'un melange carbure |
US4589398A (en) * | 1984-02-27 | 1986-05-20 | Pate Ronald C | Combustion initiation system employing hard discharge ignition |
DE3839039A1 (de) * | 1988-11-18 | 1990-05-23 | Bosch Gmbh Robert | Zuendendstufe einer transistor-zuendanlage |
IT1223928B (it) * | 1988-11-22 | 1990-09-29 | Marelli Autronica | Sistema di accensione per un motore a combustione interna |
IT1223932B (it) * | 1988-11-23 | 1990-09-29 | Marelli Autronica | Sistema di accensione per un motore a combustione interna utilizzante tiristori |
US4996967A (en) * | 1989-11-21 | 1991-03-05 | Cummins Engine Company, Inc. | Apparatus and method for generating a highly conductive channel for the flow of plasma current |
US5317155A (en) * | 1992-12-29 | 1994-05-31 | The Electrogesic Corporation | Corona discharge apparatus |
US5549795A (en) * | 1994-08-25 | 1996-08-27 | Hughes Aircraft Company | Corona source for producing corona discharge and fluid waste treatment with corona discharge |
JP4187343B2 (ja) * | 1999-03-26 | 2008-11-26 | 日本特殊陶業株式会社 | セミ沿面放電型内燃機関用スパークプラグ |
RU2164620C1 (ru) * | 1999-11-03 | 2001-03-27 | Общевойсковая академия Вооруженных Сил РФ | Устройство для обеспечения пуска двигателя танка при хранении |
WO2003071839A1 (fr) * | 2002-02-20 | 2003-08-28 | Matsushita Electric Works, Ltd. | Dispositif et procédé de traitement au plasma |
US6883507B2 (en) * | 2003-01-06 | 2005-04-26 | Etatech, Inc. | System and method for generating and sustaining a corona electric discharge for igniting a combustible gaseous mixture |
FR2861509B1 (fr) * | 2003-10-24 | 2006-03-03 | Renault Sa | Bougie d'allumage a effet de surface a etincelle dirigee. |
JP2006070830A (ja) * | 2004-09-03 | 2006-03-16 | Denso Corp | 内燃機関用点火装置 |
FR2899394B1 (fr) * | 2006-04-03 | 2008-05-16 | Renault Sas | Procede de mesure d'un courant d'ionisation d'une bougie de type a structure resonante, et dispositif correspondant |
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JP5119879B2 (ja) * | 2007-11-16 | 2013-01-16 | 日産自動車株式会社 | 内燃機関の非平衡プラズマ放電制御装置及び非平衡プラズマ放電制御方法 |
JP5228450B2 (ja) * | 2007-11-16 | 2013-07-03 | 日産自動車株式会社 | 内燃機関の運転制御装置及び運転制御方法 |
-
2008
- 2008-06-05 FR FR0853737A patent/FR2932229B1/fr not_active Expired - Fee Related
-
2009
- 2009-05-05 JP JP2011512175A patent/JP5276714B2/ja not_active Expired - Fee Related
- 2009-05-05 EP EP09757711.8A patent/EP2307702B1/fr not_active Not-in-force
- 2009-05-05 WO PCT/FR2009/050818 patent/WO2009147335A2/fr active Application Filing
- 2009-05-05 KR KR1020117000155A patent/KR20110027753A/ko not_active Application Discontinuation
- 2009-05-05 CN CN200980129022.5A patent/CN102105677B/zh not_active Expired - Fee Related
- 2009-05-05 US US12/996,504 patent/US8925532B2/en not_active Expired - Fee Related
- 2009-05-05 RU RU2010154154/07A patent/RU2497019C2/ru not_active IP Right Cessation
- 2009-05-05 MX MX2010013200A patent/MX2010013200A/es active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004039259A1 (de) * | 2004-08-13 | 2006-02-23 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Zünden einer Brennkraftmaschine |
FR2878086A1 (fr) * | 2004-11-16 | 2006-05-19 | Renault Sas | Bougie a plasma radiofrequence |
FR2895169A1 (fr) * | 2005-12-15 | 2007-06-22 | Renault Sas | Optimisation de la frequence d'excitation d'un resonateur |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110253114A1 (en) * | 2010-04-17 | 2011-10-20 | Schremmer Torsten | Method for Igniting a Fuel/Air Mixture of a Combustion Chamber, in Particular in an Internal Combustion Engine, by Creating a Corona Discharge |
WO2012070172A1 (fr) | 2010-11-25 | 2012-05-31 | 日本特殊陶業株式会社 | Dispositif d'allumage du plasma et procédé d'allumage du plasma |
JP2012112310A (ja) * | 2010-11-25 | 2012-06-14 | Ngk Spark Plug Co Ltd | プラズマ点火装置およびプラズマ点火方法 |
US9231382B2 (en) | 2010-11-25 | 2016-01-05 | Ngk Spark Plug Co., Ltd. | Plasma ignition device and plasma ignition method |
Also Published As
Publication number | Publication date |
---|---|
EP2307702A2 (fr) | 2011-04-13 |
CN102105677A (zh) | 2011-06-22 |
FR2932229A1 (fr) | 2009-12-11 |
CN102105677B (zh) | 2014-01-22 |
EP2307702B1 (fr) | 2015-10-14 |
FR2932229B1 (fr) | 2011-06-24 |
KR20110027753A (ko) | 2011-03-16 |
WO2009147335A3 (fr) | 2010-01-28 |
JP2011522165A (ja) | 2011-07-28 |
RU2010154154A (ru) | 2012-07-20 |
MX2010013200A (es) | 2011-03-15 |
JP5276714B2 (ja) | 2013-08-28 |
RU2497019C2 (ru) | 2013-10-27 |
US8925532B2 (en) | 2015-01-06 |
US20110139135A1 (en) | 2011-06-16 |
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