EP2419977B1 - Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence - Google Patents

Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence Download PDF

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Publication number
EP2419977B1
EP2419977B1 EP10708343.8A EP10708343A EP2419977B1 EP 2419977 B1 EP2419977 B1 EP 2419977B1 EP 10708343 A EP10708343 A EP 10708343A EP 2419977 B1 EP2419977 B1 EP 2419977B1
Authority
EP
European Patent Office
Prior art keywords
windings
resonator
coil
amplifier according
closed curve
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.)
Not-in-force
Application number
EP10708343.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2419977A1 (fr
Inventor
Xavier Jaffrezic
Marc Pariente
Andre Agneray
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.)
Renault SAS
Original Assignee
Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Publication of EP2419977A1 publication Critical patent/EP2419977A1/fr
Application granted granted Critical
Publication of EP2419977B1 publication Critical patent/EP2419977B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/44—Sparking plugs structurally combined with other devices with transformers, e.g. for high-frequency ignition
    • 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
    • H01T13/50—Sparking plugs having means for ionisation of gap

Definitions

  • the invention relates generally to plasma generation techniques.
  • the invention relates to a high-voltage resonator-amplifier for radiofrequency ignition system used on an internal combustion engine, this resonator-amplifier comprising at least two electrodes, a coil disposed in the extension of the electrodes along a longitudinal axis, and linking means now in a relative position fixes the coil and the electrodes.
  • a resonator-amplifier of this type is in particular known to those skilled in the art by the patent.
  • FR 2,859,869 is in particular known to those skilled in the art by the patent.
  • the shape of the cylinder head and the free spaces that are arranged there are crucial parameters to take into account in the design of these reels-candles.
  • the present invention aims to provide a high voltage resonator-amplifier or "coil-candle” whose structure responds to this need for evolution.
  • the resonator-amplifier of the invention is essentially characterized in that the coil is wound around a closed curve which surrounds it. even the longitudinal axis.
  • the invention relates to a high-voltage resonator-amplifier for equipping a radiofrequency ignition system for an internal combustion engine.
  • FIG. figure 1 A known resonator-amplifier is shown in FIG. figure 1 and comprises two electrodes 11 and 12, a coil 2 arranged in the extension of the electrodes along a longitudinal axis Z, and connecting means 3 whose function is at least to maintain the coil 2 and the electrodes 11 and 12 in a relative position fixed.
  • the ground electrode 12 which surrounds the central electrode 11, carries a thread which makes it possible to screw it into the cylinder head Q of the engine.
  • the known resonator-amplifiers have a structure adapted to motors whose breech Q has an access well P intended to receive them.
  • the coil 2 is wrapped around a closed curve K which itself surrounds the longitudinal axis Z ( figures 2 and 3 ).
  • the connecting means can thus be restricted to a minimum structure, as shown in FIG. figure 2 .
  • the connecting means comprise a body 3 elongated along the longitudinal axis Z.
  • the lower end 31 of the body 3 then carries the functional ends of the electrodes 11 and 12, while the coil 2 is carried by the upper end 32 of this body 3.
  • the coil 2 comprises two connecting conductor wires 201 and 202 for connecting this coil 2 to a source of electrical energy (not shown) and a set of windings such as 21A to 24B, mounted in series between the connecting strands 201 and 202.
  • the set of windings of the coil 2 is formed of a first subset of windings such as 21A and 22A, comprising at most two-thirds of the windings of the coil, and of a second subset of windings such as 22B, 23B and 24B, comprising at least one third of the windings of this coil.
  • the two subassemblies comprise the same number of windings, and if the total number windings of the coil 2 is odd, the two subsets include the same number of windings to one unit.
  • Each winding is wound on a part of the closed curve K, the windings of the first subassembly, namely 21A and 22A, and the windings of the second subassembly, namely 22B, 23B, and 24B, wound in directions inverses, both along the curve K and around this curve.
  • This arrangement which allows the different windings to contribute in the same way to the constitution of the magnetic field of the coil 2 without having to be coiled in the same direction, allows to move the strands 201 and 202 one of the other, and divide by a factor of two or close to two the potential difference between the strands 201 and 202.
  • the windings 21A and 22A of the first subassembly may for example be contiguous, that is to say arranged on the closed curve K following each other, the windings 22B, 23B, and 24B of the second subassembly being themselves arranged on the curve K after each other.
  • the windings 21A and 22A of the first subassembly are preferably arranged on the closed curve K following each other in the same direction of travel as these windings themselves, and therefore succeed one another in the direction S1 if these windings 21A and 22A are individually wound in the direction S1, or in the direction S2 if these windings 21A and 22A are individually wound in the direction S2.
  • the windings 22B, 23B, and 24B of the second subassembly are preferably arranged on the closed curve K following each other in the same direction of travel as these windings themselves, and therefore succeed one another. in the direction S1 if these windings 22B, 23B, and 24B are individually wound in the direction S1, or in the direction S2 if these windings 22B, 23B, and 24B are individually wound in the direction S2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Spark Plugs (AREA)
  • Amplifiers (AREA)
  • Coils Or Transformers For Communication (AREA)
EP10708343.8A 2009-04-14 2010-02-15 Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence Not-in-force EP2419977B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0952443A FR2944389B1 (fr) 2009-04-14 2009-04-14 Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence
PCT/FR2010/050246 WO2010119197A1 (fr) 2009-04-14 2010-02-15 Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence

Publications (2)

Publication Number Publication Date
EP2419977A1 EP2419977A1 (fr) 2012-02-22
EP2419977B1 true EP2419977B1 (fr) 2014-05-14

Family

ID=41213154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10708343.8A Not-in-force EP2419977B1 (fr) 2009-04-14 2010-02-15 Resonateur-amplificateur haute tension de structure optimisee pour systeme d'allumage radiofrequence

Country Status (11)

Country Link
US (1) US8397703B2 (zh)
EP (1) EP2419977B1 (zh)
JP (1) JP5583753B2 (zh)
KR (1) KR20120030357A (zh)
CN (1) CN102396123B (zh)
BR (1) BRPI1013744A2 (zh)
ES (1) ES2465091T3 (zh)
FR (1) FR2944389B1 (zh)
MX (1) MX2011010579A (zh)
RU (1) RU2524389C2 (zh)
WO (1) WO2010119197A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20131014A1 (it) * 2013-06-19 2014-12-20 Eldor Corp Spa Dispositivo di accensione per motori a combustione interna
US20180340507A1 (en) * 2015-12-03 2018-11-29 GM Global Technology Operations LLC Method and apparatus for controlling operation of an internal combustion engine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192091U (zh) * 1981-05-29 1982-12-06
RU2094646C1 (ru) * 1994-02-10 1997-10-27 Научно-исследовательский институт машиностроения Главного управления ракетно-космической техники Комитета РФ по оборонным отраслям промышленности Высокочастотная электроразрядная система воспламенения
JPH08232825A (ja) * 1995-02-22 1996-09-10 Unisia Jecs Corp 燃焼圧センサ一体型点火装置
BR9812476A (pt) * 1997-09-18 2002-05-21 Allied Signal Inc Conjunto de bobina-núcleo magnético
FR2792374B1 (fr) * 1999-04-15 2002-05-03 Renault Dispositif d'allumage pour moteur a combustion interne et bougie d'allumage pour sa mise en oeuvre
FR2796767B1 (fr) * 1999-07-21 2001-08-31 Renault Bougie a effet de surface
EP1162184A1 (en) * 2000-06-08 2001-12-12 Abb Research Ltd. Gasoline production by dielectric barrier discharge
US7178513B2 (en) * 2002-04-19 2007-02-20 Ward Michael A V MCU based high energy ignition
FR2859869B1 (fr) * 2003-09-12 2006-01-20 Renault Sa Systeme de generation de plasma.
CN100353469C (zh) * 2004-07-27 2007-12-05 株式会社电装 用于火花塞的棒式点火线圈装置
FR2893455B1 (fr) * 2005-11-14 2007-12-14 Renault Sas Bougie d'allumage pour moteur a combustion interne
FR2907269B1 (fr) * 2006-10-17 2009-01-30 Renault Sas Dispositif de generation de plasma radiofrequence.
FR2913297B1 (fr) * 2007-03-01 2014-06-20 Renault Sas Optimisation de la generation d'une etincelle d'allumage radio-frequence

Also Published As

Publication number Publication date
ES2465091T3 (es) 2014-06-05
EP2419977A1 (fr) 2012-02-22
US20120086325A1 (en) 2012-04-12
CN102396123B (zh) 2014-04-09
RU2524389C2 (ru) 2014-07-27
KR20120030357A (ko) 2012-03-28
FR2944389A1 (fr) 2010-10-15
WO2010119197A1 (fr) 2010-10-21
FR2944389B1 (fr) 2011-04-01
BRPI1013744A2 (pt) 2016-04-05
US8397703B2 (en) 2013-03-19
RU2011145967A (ru) 2013-05-20
JP2012523673A (ja) 2012-10-04
JP5583753B2 (ja) 2014-09-03
CN102396123A (zh) 2012-03-28
MX2011010579A (es) 2012-01-20

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