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EP2419977A1 - High voltage resonator-amplifier with an optimized structure for radiofrequency ignition system - Google Patents

High voltage resonator-amplifier with an optimized structure for radiofrequency ignition system

Info

Publication number
EP2419977A1
EP2419977A1 EP10708343A EP10708343A EP2419977A1 EP 2419977 A1 EP2419977 A1 EP 2419977A1 EP 10708343 A EP10708343 A EP 10708343A EP 10708343 A EP10708343 A EP 10708343A EP 2419977 A1 EP2419977 A1 EP 2419977A1
Authority
EP
European Patent Office
Prior art keywords
windings
resonator
coil
amplifier
amplifier according
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
Application number
EP10708343A
Other languages
German (de)
French (fr)
Other versions
EP2419977B1 (en
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
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 Renault SAS filed Critical Renault SAS
Publication of EP2419977A1 publication Critical patent/EP2419977A1/en
Application granted granted Critical
Publication of EP2419977B1 publication Critical patent/EP2419977B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01T13/40—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 known to those skilled in the art by the patent FR 2 859 869.
  • the present invention aims to provide a high voltage resonator-amplifier or "coil-candle” whose structure meets 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.
  • FIG. 1 is a schematic sectional view of a known example of tubular coil resonator amplifier
  • FIG. 2 is a diagrammatic sectional view of a resonator-amplifier according to a first possible embodiment of the invention
  • FIG. 3 is a diagrammatic sectional view of a resonator-amplifier according to a second possible embodiment of the invention.
  • FIG. 4A is a diagrammatic view from above of a coil of a first type, usable for the implementation of the invention
  • - Figure 4B is a schematic top view of a variant of the coil illustrated in Figure 4A, optimized for the implementation of the invention
  • - Figure 5A is a schematic top view of a coil of a second type, usable for the implementation of the invention
  • Figure 5B is a schematic top view of a variant of the coil illustrated in Figure 5A, optimized for the implementation of the invention
  • FIG. 6A is a diagrammatic view from above of a coil of a third type, usable for the implementation of the invention.
  • FIG. 6B is a schematic view from above of a variant of the coil illustrated in FIG. 6A, optimized for the implementation of the invention.
  • the invention relates to a high-voltage resonator-amplifier for equipping a radiofrequency ignition system for an internal combustion engine.
  • FIG. 1 A known resonator-amplifier is illustrated in FIG. 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 fixed relative position.
  • 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. 2.
  • the connecting means comprises a body 3 elongate 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 strands of connecting conductor wire, 201 and 202, intended to allow the connection of this coil 2 to a source of electrical energy (not shown), and a set of windings such as 21A to 24B, connected in series between the connecting strands 201 and 202.
  • all the windings of the coil 2 are formed of a first subset of windings such that 21A and 22A, comprising at most two thirds of the windings of the coil, and 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
  • 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, being wound in one direction. inverses, both along the curve K and around this curve.
  • the windings 21A and 22A are wound following the direction of travel Sl of the curve K
  • the windings 22B, 23B, and 24B are wound in the direction of travel S2 of this curve K, and vice versa.
  • 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 Sl if these windings 21A and 22A are individually wound in the direction Sl, 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 Sl if these windings 22B, 23B, and 24B are individually wound in the direction Sl, 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)

Abstract

The invention relates to a high voltage resonator-amplifier for a radiofrequency ignition system which can be used in an internal combustion engine, said resonator-amplifier including at least two electrodes (11, 12), a coil (2) arranged in alignment with the electrodes along a longitudinal axis (Z), and linking means (3) retaining the coil (2) and the electrodes (11, 12) in a relatively fixed position. According to the invention, the coil (2) is wound around a closed bend (K) which in turn wraps around the longitudinal axis (Z).

Description

RESONATEUR-AMPLIFICATEUR HAUTE TENSION DE STRUCTURE OPTIMISEE POUR SYSTEME D'ALLUMAGE RADIOFREQUENCE . HIGH VOLTAGE RESONATOR-AMPLIFIER OF OPTIMIZED STRUCTURE FOR RADIOFREQUENCY IGNITION SYSTEM.
L'invention concerne, de façon générale, les techniques de génération de plasma.The invention relates generally to plasma generation techniques.
Plus précisément, l'invention concerne un résonateur-amplificateur haute tension pour système d'allumage radiofréquence utilisable sur un moteur à combustion interne, ce résonateur-amplificateur comprenant au moins deux électrodes, une bobine disposée dans le prolongement des électrodes suivant un axe longitudinal, et des moyens de liaison maintenant dans une position relative fixe la bobine et les électrodes.More specifically, 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.
Un résonateur-amplificateur de ce type, généralement dénommé "bobine-bougie", est notamment connu de l'homme du métier par le brevet FR 2 859 869.A resonator-amplifier of this type, generally called "coil-candle", is known to those skilled in the art by the patent FR 2 859 869.
Dans la mesure où les bobines-bougies sont montées dans la culasse du moteur, leur structure est fortement conditionnée par la structure de cette culasse. La forme de la culasse ainsi que les espaces libres qui y sont aménagés sont donc des paramètres cruciaux à prendre en compte dans la conception de ces bobines- bougies .Insofar as the spark plugs are mounted in the engine cylinder head, their structure is strongly conditioned by the structure of this cylinder head. The shape of the cylinder head as well as the free spaces that are arranged there are therefore crucial parameters to take into account in the design of these coils-candles.
Or, non seulement les culasses se répartissent aujourd'hui en deux types, selon qu'elles comportent ou non un puits d'accès pour la bougie d'allumage, mais le diamètre des puits d'accès tend à se réduire pour les culasses du deuxième type.However, not only are the yokes now divided into two types, depending on whether or not they include an access well for the spark plug, but the diameter of the access wells tends to be reduced for the cylinder heads of the engine. second type.
Aussi, l'adaptation à ces nouvelles conditions d'utilisation des bobines-bougies de forme tubulaire telles que décrites et illustrées dans le brevet mentionné ci-dessus devient-elle de plus en plus délicate .Also, the adaptation to these new conditions of use of tubular reel-candles as described and illustrated in the patent mentioned above becomes more and more delicate.
Dans ce contexte, la présente invention a pour but de proposer un résonateur-amplificateur haute tension ou "bobine-bougie" dont la structure réponde à ce besoin d' évolution .In this context, the present invention aims to provide a high voltage resonator-amplifier or "coil-candle" whose structure meets this need for evolution.
A cette fin, le résonateur-amplificateur de l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que la bobine est enroulée autour d'une courbe fermée qui entoure elle-même l'axe longitudinal.To this end, the resonator-amplifier of the invention, moreover in accordance with the generic definition given in the preamble above, is essentially characterized in that the coil is wound around a closed curve which surrounds it. even the longitudinal axis.
D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :Other characteristics and advantages of the invention will emerge clearly from the description which is given hereinafter, by way of indication and in no way limitative, with reference to the appended drawings, in which:
- la figure 1 est une vue schématique en coupe d'un exemple connu de résonateur-amplificateur à bobine tubulaire;- Figure 1 is a schematic sectional view of a known example of tubular coil resonator amplifier;
- la figure 2 est une vue schématique en coupe d'un résonateur-amplificateur conforme à un premier mode de réalisation possible de l'invention;FIG. 2 is a diagrammatic sectional view of a resonator-amplifier according to a first possible embodiment of the invention;
- la figure 3 est une vue schématique en coupe d'un résonateur-amplificateur conforme à un deuxième mode de réalisation possible de l'invention;FIG. 3 is a diagrammatic sectional view of a resonator-amplifier according to a second possible embodiment of the invention;
- la figure 4A est une vue schématique de dessus d'une bobine d'un premier type, utilisable pour la mise en œuvre de l'invention; - la figure 4B est une vue schématique de dessus d'une variante de la bobine illustrée à la figure 4A, optimisée pour la mise en œuvre de l'invention; - la figure 5A est une vue schématique de dessus d'une bobine d'un deuxième type, utilisable pour la mise en œuvre de l'invention;FIG. 4A is a diagrammatic view from above of a coil of a first type, usable for the implementation of the invention; - Figure 4B is a schematic top view of a variant of the coil illustrated in Figure 4A, optimized for the implementation of the invention; - Figure 5A is a schematic top view of a coil of a second type, usable for the implementation of the invention;
- la figure 5B est une vue schématique de dessus d'une variante de la bobine illustrée à la figure 5A, optimisée pour la mise en œuvre de l'invention;- Figure 5B is a schematic top view of a variant of the coil illustrated in Figure 5A, optimized for the implementation of the invention;
- la figure 6A est une vue schématique de dessus d'une bobine d'un troisième type, utilisable pour la mise en œuvre de l'invention; et - la figure 6B est une vue schématique de dessus d'une variante de la bobine illustrée à la figure 6A, optimisée pour la mise en œuvre de l'invention.FIG. 6A is a diagrammatic view from above of a coil of a third type, usable for the implementation of the invention; and FIG. 6B is a schematic view from above of a variant of the coil illustrated in FIG. 6A, optimized for the implementation of the invention.
Comme annoncé précédemment, l'invention concerne un résonateur-amplificateur haute tension destiné à équiper un système d'allumage radiofréquence pour un moteur à combustion interne.As previously announced, the invention relates to a high-voltage resonator-amplifier for equipping a radiofrequency ignition system for an internal combustion engine.
Un résonateur-amplificateur connu est illustré à la figure 1 et comprend deux électrodes 11 et 12, une bobine 2 disposée dans le prolongement des électrodes suivant un axe longitudinal Z, et des moyens de liaison 3 dont la fonction est au moins de maintenir la bobine 2 et les électrodes 11 et 12 dans une position relative fixe.A known resonator-amplifier is illustrated in FIG. 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 fixed relative position.
L'électrode de masse 12, qui entoure l'électrode centrale 11, porte un filetage qui permet de la visser dans la culasse Q du moteur.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.
Comme le montre la figure 1, les résonateurs- amplificateurs connus présentent une structure adaptée à des moteurs dont la culasse Q présente un puits d'accès P destiné à les recevoir. Dans le résonateur-amplificateur de l'invention, qui est adaptable aux culasses de toutes géométries, la bobine 2 est enroulée autour d'une courbe fermée K qui entoure elle-même l'axe longitudinal Z (figures 2 et 3) .As shown in FIG. 1, the known resonator-amplifiers have a structure adapted to motors whose breech Q has an access well P intended to receive them. In the resonator-amplifier of the invention, which is adaptable to the heads of all geometries, the coil 2 is wrapped around a closed curve K which itself surrounds the longitudinal axis Z (Figures 2 and 3).
Dans le cas où la culasse Q ne présente pas de puits d'accès, les moyens de liaison peuvent ainsi être restreints à une structure minimale, comme le montre la figure 2.In the case where the yoke Q does not have access wells, the connecting means can thus be restricted to a minimum structure, as shown in FIG. 2.
Dans le cas où la culasse Q présente un puits d'accès P (figure 3), les moyens de liaison comprennent un corps 3 allongé suivant l'axe longitudinal Z. L'extrémité inférieure 31 du corps 3 porte alors les extrémités fonctionnelles des électrodes 11 et 12, tandis que la bobine 2 est portée par l'extrémité supérieure 32 de ce corps 3.In the case where the yoke Q has an access well P (Figure 3), the connecting means comprises a body 3 elongate 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.
Comme le montrent les figures 4A à 6B, la bobine 2 comprend deux brins de fil conducteur de raccordement, 201 et 202, destinés à permettre le raccordement de cette bobine 2 à une source d'énergie électrique (non représentée), et un ensemble d'enroulements tels que 21A à 24B, montés en série entre les brins de raccordement 201 et 202.As shown in FIGS. 4A to 6B, the coil 2 comprises two strands of connecting conductor wire, 201 and 202, intended to allow the connection of this coil 2 to a source of electrical energy (not shown), and a set of windings such as 21A to 24B, connected in series between the connecting strands 201 and 202.
Dans les modes de réalisation les plus avantageux, qui sont illustrés aux figures 4B, 5B et 6B et qui sont présentés ci-après, l'ensemble des enroulements de la bobine 2 est formé d'un premier sous-ensemble d'enroulements tels que 21A et 22A, comprenant au plus les deux tiers des enroulements de la bobine, et d'un deuxième sous-ensemble d'enroulements tels que 22B, 23B et 24B, comprenant au moins un tiers des enroulements de cette bobine. De préférence, si le nombre total d'enroulements de la bobine 2 est pair, les deux sous-ensembles comprennent le même nombre d'enroulements, et si le nombre total d'enroulements de la bobine 2 est impair, les deux sous- ensembles comprennent le même nombre d'enroulements à une unité près.In the most advantageous embodiments, which are illustrated in FIGS. 4B, 5B and 6B and which are presented below, all the windings of the coil 2 are formed of a first subset of windings such that 21A and 22A, comprising at most two thirds of the windings of the coil, and a second subset of windings such as 22B, 23B and 24B, comprising at least one third of the windings of this coil. Preferably, if the total number of windings of the coil 2 is even, the two subassemblies comprise the same number of windings, and if the total number coil windings 2 is odd, the two subsets include the same number of windings to one unit.
Chaque enroulement est bobiné sur une partie de la courbe fermée K, les enroulements du premier sous- ensemble, à savoir 21A et 22A, et les enroulements du deuxième sous-ensemble, à savoir 22B, 23B, et 24B, étant bobinés dans des sens inverses, à la fois le long de la courbe K et autour de cette courbe. Ainsi, dans le cas où les enroulements 21A et 22A sont bobinés en suivant le sens de parcours Sl de la courbe K, les enroulements 22B, 23B, et 24B sont bobinés en suivant le sens de parcours S2 de cette courbe K, et inversement . De même, si les enroulements 21A et 22A sont bobinés autour de la courbe K suivant un sens d'enroulement lévogyre, les enroulements 22B, 23B, et 24B sont bobinés autour de cette courbe K suivant un sens d'enroulement dextrogyre, et inversement. Cet agencement, qui permet aux différents enroulements de contribuer de la même façon à la constitution du champ magnétique de la bobine 2 sans pour autant devoir être bobinés dans le même sens, permet d'éloigner les brins 201 et 202 l'un de l'autre, et de diviser par un facteur deux ou voisin de deux la différence de potentiel entre les brins 201 et 202.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, being wound in one direction. inverses, both along the curve K and around this curve. Thus, in the case where the windings 21A and 22A are wound following the direction of travel Sl of the curve K, the windings 22B, 23B, and 24B are wound in the direction of travel S2 of this curve K, and vice versa. Similarly, if the windings 21A and 22A are wound around the curve K in a winding direction levor, the windings 22B, 23B, and 24B are wound around this curve K in a dextrorotatory winding direction, and vice versa. 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.
Les enroulements 21A et 22A du premier sous- ensemble peuvent par exemple être contigus, c'est-à-dire disposés sur la courbe fermée K à la suite les uns des autres, les enroulements 22B, 23B, et 24B du deuxième sous-ensemble étant donc eux-mêmes disposés sur la courbe K à la suite les uns des autres. En pratique, les enroulements 21A et 22A du premier sous-ensemble sont de préférence disposés sur la courbe fermée K à la suite les uns des autres dans le même sens de parcours que ces enroulements eux-mêmes, et se succèdent donc avantageusement dans le sens Sl si ces enroulements 21A et 22A sont individuellement bobinés dans le sens Sl, ou dans le sens S2 si ces enroulementsThe 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. In practice, 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 Sl if these windings 21A and 22A are individually wound in the direction Sl, or in the direction S2 if these windings
21A et 22A sont individuellement bobinés dans le sens S2.21A and 22A are individually wound in the direction S2.
De même, les enroulements 22B, 23B, et 24B du deuxième sous-ensemble sont de préférence disposés sur la courbe fermée K à la suite les uns des autres dans le même sens de parcours que ces enroulements eux-mêmes, et se succèdent donc avantageusement dans le sens Sl si ces enroulements 22B, 23B, et 24B sont individuellement bobinés dans le sens Sl, ou dans le sens S2 si ces enroulements 22B, 23B, et 24B sont individuellement bobinés dans le sens S2.Similarly, 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 Sl if these windings 22B, 23B, and 24B are individually wound in the direction Sl, or in the direction S2 if these windings 22B, 23B, and 24B are individually wound in the direction S2.
Enfin, il peut être judicieux, en particulier dans le cas où le nombre total d'enroulements de la bobine 2 est faible, de doter cette bobine d'un noyau 4 en matériau ferromagnétique qui se referme sur lui-même en suivant la courbe fermée K, et sur lequel est bobiné chacun de ces enroulements. Finally, it may be advisable, particularly in the case where the total number of windings of the coil 2 is small, to provide this coil with a core 4 of ferromagnetic material which closes on itself following the closed curve K, and on which is wound each of these windings.

Claims

REVENDICATIONS. CLAIMS.
1. Résonateur-amplificateur haute tension pour système d'allumage radiofréquence utilisable sur un moteur à combustion interne, ce résonateur-amplificateur comprenant au moins deux électrodes (11, 12), une bobine (2) disposée dans le prolongement des électrodes suivant un axe longitudinal (Z) , et des moyens de liaison (3) maintenant dans une position relative fixe la bobine (2) et les électrodes (11, 12), caractérisé en ce que la bobine (2) est enroulée autour d'une courbe fermée (K) qui entoure elle-même l'axe longitudinal (Z) .1. High-voltage resonator-amplifier for radiofrequency ignition system for use on an internal combustion engine, this resonator-amplifier comprising at least two electrodes (11, 12), a coil (2) arranged in the extension of the electrodes along an axis longitudinal (Z), and connecting means (3) maintaining in a fixed position the coil (2) and the electrodes (11, 12), characterized in that the coil (2) is wound around a closed curve (K) which itself surrounds the longitudinal axis (Z).
2. Résonateur-amplificateur suivant la revendication 1, caractérisé en ce que les moyens de liaison comprennent un corps (3) allongé suivant l'axe longitudinal (Z) et dont une première extrémité (31) porte les parties fonctionnelles des électrodes (11, 12), et en ce que la bobine (2) est portée par une deuxième extrémité (32) du corps (3), opposée à la première extrémité (31) .2. Resonator-amplifier according to claim 1, characterized in that the connecting means comprise a body (3) elongate along the longitudinal axis (Z) and a first end (31) carries the functional parts of the electrodes (11, 12), and in that the coil (2) is carried by a second end (32) of the body (3), opposite the first end (31).
3. Résonateur-amplificateur suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que la bobine (2) comprend des premier et deuxième brins3. Resonator-amplifier according to any one of claims 1 and 2, characterized in that the coil (2) comprises first and second strands.
(201, 202) de fil conducteur de raccordement, conçus pour raccorder cette bobine (2) à une source d'énergie électrique, et un ensemble d'au moins deux enroulementsConnecting wire (201, 202) for connecting this coil (2) to a source of electrical power, and a set of at least two windings.
(21A, 22B) montés en série entre les premier et deuxième brins de raccordement (201, 202), en ce que chaque enroulement (21A, 22A) d'un premier sous-ensemble d'enroulements comprenant au plus les deux tiers des enroulements de l'ensemble est bobiné sur une partie de la courbe fermée (K) suivant un premier sens de parcours (Sl) choisi entre le sens horaire et le sens antihoraire, en étant enroulé dans un premier sens d'enroulement choisi entre le sens lévogyre et le sens dextrogyre, et en ce que chaque enroulement (22B, 23B, 24B) d'un deuxième sous-ensemble d'enroulements comprenant au moins un tiers des enroulements de l'ensemble est bobiné sur une partie de la courbe fermée (K) suivant un sens de parcours (S2) inverse du premier sens de parcours (Sl), en étant enroulé dans un sens d'enroulement inverse du premier sens d'enroulement.(21A, 22B) connected in series between the first and second connecting strands (201, 202), in that each winding (21A, 22A) of a first subset of windings comprising not more than two-thirds of the windings of the assembly is wound on a part of the closed curve (K) along a first direction of travel (S1) selected between the clockwise and counterclockwise directions, being wound in a first winding direction selected between the levorotatory direction and the dextrorotatory direction, and in that each winding (22B, 23B, 24B) of a second winding sub-assembly of windings comprising at least one third of the windings of the assembly is wound on a part of the closed curve (K) in a direction of travel (S2) inverse of the first direction of travel (Sl), being wound in a reverse winding direction of the first winding direction.
4. Résonateur-amplificateur suivant la revendication 3, caractérisé en ce que les enroulements (2 IA, 22A; 22B, 23B, 24B) de chaque sous-ensemble sont disposés sur la courbe fermée (K) à la suite les uns des autres.4. Resonator-amplifier according to claim 3, characterized in that the windings (2 IA, 22A, 22B, 23B, 24B) of each subassembly are arranged on the closed curve (K) one after the other.
5. Résonateur-amplificateur suivant l'une quelconque des revendications 3 et 4, caractérisé en ce que les enroulements (21A, 22A) du premier sous-ensemble sont disposés sur la courbe fermée (K) à la suite les uns des autres dans le premier sens de parcours (Sl) .5. Resonator-amplifier according to any one of claims 3 and 4, characterized in that the windings (21A, 22A) of the first subassembly are arranged on the closed curve (K) following each other in the first direction of course (Sl).
6. Résonateur-amplificateur suivant l'une quelconque des revendications 3 à 5, caractérisé en ce que les enroulements (23B, 24B) du deuxième sous-ensemble sont disposés sur la courbe fermée (K) à la suite les uns des autres dans le sens de parcours (S2) inverse du premier sens de parcours (Sl) .6. Resonator-amplifier according to any one of claims 3 to 5, characterized in that the windings (23B, 24B) of the second subassembly are arranged on the closed curve (K) following each other in the direction of travel (S2) inverse of the first direction of travel (Sl).
7. Résonateur-amplificateur suivant l'une quelconque des revendications 3 à 6, caractérisé en ce que l'ensemble d'enroulements (2 IA, 22A; 22B, 23B, 24B) comprend un nombre pair d'enroulements, et en ce que chacun des premier (2 IA, 22A) et deuxième (22B, 23B, 24B) sous-ensembles comprend la moitié des enroulements de 1 ' ensemble .7. Resonator-amplifier according to any one of claims 3 to 6, characterized in that the set of windings (2 IA, 22A; 22B, 23B, 24B) comprises an even number of windings, and in that each of the first (2 IA, 22A) and the second (22B, 23B, 24B) subassemblies comprises half of the windings of the assembly.
8. Résonateur-amplificateur suivant l'une quelconque des revendications 3 à 6, caractérisé en ce que l'ensemble d'enroulements (2 IA, 22A; 22B, 23B, 24B) comprend un nombre impair d'enroulements, et en ce que les premier et deuxième sous-ensembles (21A, 22A; 22B, 23B, 24B) comprennent, à une unité près, le même nombre d' enroulements . 8. Resonator-amplifier according to any one of claims 3 to 6, characterized in that the set of windings (2 IA, 22A; 22B, 23B, 24B) comprises an odd number of windings, and in that the first and second subassemblies (21A, 22A, 22B, 23B, 24B) comprise, to one unit, the same number of windings.
9. Résonateur-amplificateur suivant l'une quelconque des revendications précédentes, caractérisé en ce que la bobine (2) comprend un noyau (4) en matériau ferromagnétique se refermant sur lui-même en suivant ladite courbe fermée (K) , et sur lequel est bobiné chaque enroulement. 9. resonator-amplifier according to any one of the preceding claims, characterized in that the coil (2) comprises a core (4) of ferromagnetic material closing on itself along said closed curve (K), and on which is wound every winding.
EP10708343.8A 2009-04-14 2010-02-15 High voltage resonator-amplifier with an optimized structure for radiofrequency ignition system Not-in-force EP2419977B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0952443A FR2944389B1 (en) 2009-04-14 2009-04-14 HIGH VOLTAGE RESONATOR-AMPLIFIER OF OPTIMIZED STRUCTURE FOR RADIOFREQUENCY IGNITION SYSTEM
PCT/FR2010/050246 WO2010119197A1 (en) 2009-04-14 2010-02-15 High voltage resonator-amplifier with an optimized structure for radiofrequency ignition system

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EP2419977A1 true EP2419977A1 (en) 2012-02-22
EP2419977B1 EP2419977B1 (en) 2014-05-14

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JP (1) JP5583753B2 (en)
KR (1) KR20120030357A (en)
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BR (1) BRPI1013744A2 (en)
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FR (1) FR2944389B1 (en)
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WO2017095412A1 (en) * 2015-12-03 2017-06-08 GM Global Technology Operations LLC Method and apparatus for controlling operation of an internal combustion engine

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US8397703B2 (en) 2013-03-19
WO2010119197A1 (en) 2010-10-21
MX2011010579A (en) 2012-01-20
CN102396123B (en) 2014-04-09
KR20120030357A (en) 2012-03-28
ES2465091T3 (en) 2014-06-05
RU2524389C2 (en) 2014-07-27
US20120086325A1 (en) 2012-04-12
JP2012523673A (en) 2012-10-04
EP2419977B1 (en) 2014-05-14
CN102396123A (en) 2012-03-28
JP5583753B2 (en) 2014-09-03
FR2944389B1 (en) 2011-04-01
RU2011145967A (en) 2013-05-20
BRPI1013744A2 (en) 2016-04-05
FR2944389A1 (en) 2010-10-15

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