EP0609109B1 - Bobinot d'enroulement secondaire de bobine d'allumage pour moteur à combustion interne - Google Patents
Bobinot d'enroulement secondaire de bobine d'allumage pour moteur à combustion interne Download PDFInfo
- Publication number
- EP0609109B1 EP0609109B1 EP94400034A EP94400034A EP0609109B1 EP 0609109 B1 EP0609109 B1 EP 0609109B1 EP 94400034 A EP94400034 A EP 94400034A EP 94400034 A EP94400034 A EP 94400034A EP 0609109 B1 EP0609109 B1 EP 0609109B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compartment
- core
- winding
- passage
- bobbin 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.)
- Expired - Lifetime
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
- H01F2005/022—Coils wound on non-magnetic supports, e.g. formers wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications
Definitions
- the present invention relates to a winding reel secondary ignition coil for combustion engine internal, and more particularly such a bobbin of the type comprising a tubular winding core and a plurality of fins substantially perpendicular to the axis of the nucleus, the fins delimiting between them annular winding compartments including the core forms the bottom, and each comprising a passage for allow the secondary winding wire to pass, in the direction of winding, of the compartment located upstream of this fin to the compartment located downstream.
- Such secondary coils are known, for example by document EP-A-0 375 502.
- combustion of the gas mixture in the cylinder is caused by the spark that occurs between the electrodes of a spark plug.
- the voltage across the secondary can reach several tens of thousands of volts.
- the aforementioned document proposes to remedy this disadvantage by providing isolation compartments between the winding compartments so that increase the distance between the turns by two successive winding compartments.
- the invention aims to overcome this drawback.
- the invention relates to a bobbin ignition coil secondary winding for internal combustion engine, of the type comprising a core tubular winding and a plurality of fins substantially perpendicular to the axis of the nucleus, the fins delimiting compartments between them winding annulars whose core forms the bottom, and each having a passage to allow the wire to the secondary winding to pass, in the direction of the winding, of the compartment located upstream of this fin at the downstream compartment, characterized by the fact that said core has a shape such that said passage leads into the upstream compartment at a certain distance from said core and in the compartment downstream at said core.
- the passage can in particular be constituted by the bottom a slot extending from the edge of the fin.
- the funds of two compartments adjacent can be offset radially at level of said passage, a distance equal to a thickness winding.
- the wire of the secondary winding is brought back, when passing from the upstream compartment to downstream compartment, from the upper level of the winding at a lower level.
- the core has a generally rectangular section, said passage being formed in a corner of the core, and the corresponding angle of the upstream compartment being cut.
- the funds of the sub-funds may in particular be identical and, in projection, between two adjacent compartments, be offset in their plane, or angularly around their axis.
- Said entry and exit passages may in particular be diametrically opposed.
- Each compartment 6 therefore forms a groove
- the side walls 7 are formed by the two fins which delimit this compartment
- whose bottom 8 is formed by the core 2.
- the winding is carried out compartment by compartment, from right to left in Figure 1.
- the fin 5b of FIG. 1 separates its upstream compartment 6a located to its right of its downstream compartment 6b located to its left.
- the bobbin 1 and in particular its core 2, has a shape which is substantially rectangular.
- slots 9 extending from the edge of the fins and substantially tangent to the core. More particularly, we see in this figure the slot 9a formed in the fin 5a, to allow entry into compartment 6a, and slot 9b formed in the fin 5b, to allow passage of the wire from compartment 6a in compartment 6b.
- the slot 9a is tangent to the bottom 8a from compartment 6a and arrives at this bottom, from same as the slot 9b is tangent to the bottom 8b of the compartment 6b and also arrives at this level background.
- Figure 4 shows only the bottoms 8a and 8b of the compartments 6a and 6b, the slots 9a and 9b, winding 11a in compartment 6a and the first winding coil 12 in compartment 6b.
- the distance e is equal to the thickness of the winding 11a.
- the first turn 12 of the winding in the compartment 6b is, at the level of the slot 9b, in vis-à-vis the last winding layer in the compartment 6a, so that there is no potential difference between the windings in the two compartments at the level of this slot.
- FIG. 5a to 5d which show, simplified, sections along a line such as V-V in FIG. 2, illustrate the winding of a wire 20 whose diameter would be equal to the thickness of a compartment 6, and which schematically therefore in fact several layers of winding.
- the filling of the compartment 6 n + 1 by the wire 20 is carried out as shown in FIG. 5b. It can be seen in this figure that no potential difference exists at the level of the slot 9 n between the winding in the compartment 6 n and the winding in the compartment 6 n + 1 .
- FIG. 5d representing the winding in the following compartment 6 n + 3 .
- Figures 6 to 10 showing other modes of realization, are similar to figure 2, but only the funds of the sub-funds have been represented, the passages from one compartment to another being illustrated by arrows.
- the funds of the compartments are circulars, funds 61 and 62 of the upstream compartments and downstream respectively being offset in their plane.
- the passage from the upstream compartment to the downstream compartment takes place at arrow 63, and the passage to the next compartment is diametrically opposite.
- the funds 81 and 82 of the upstream and downstream compartments are square and offset in their plan parallel to one on their side.
- the passage of upstream compartment to downstream compartment takes place at level of arrow 83, in the middle area of the sides 84 staggered.
- the passage to the compartment again next takes place in the area on side 85 opposite the side 84.
- FIG. 9 also illustrates an embodiment where funds 91 and 92 of the upstream and downstream compartments are squares, but here they are angularly offset by rotation in their plane around their axis.
- the passage from the upstream compartment to the downstream compartment is carried out level of one of the arrows 93, 93 ', 93 ", 93"' and the switch to the next compartment again at one of the arrows 94, 94 ', 94 ", 94"'.
- the funds 101 and 102 of the upstream and downstream compartments respectively are always square, but they are offset in their plane parallel to one of their diagonal.
- the passage from the upstream compartment to downstream compartment takes place at arrow 103 and the passage to the next compartment is postponed 180 degrees.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Insulating Of Coils (AREA)
Description
- la figure 1 est une vue de côté d'un bobinot secondaire selon l'invention,
- la figure 2 est une superposition destinée à mieux faire comprendre l'invention des vues en coupe selon les lignes IIa-IIa et IIb-IIb des figures 1 et 3,
- la figure 3 est une vue en coupe axiale selon la ligne III-III de la figure 2,
- la figure 4 est un schéma en vue axiale de l'enroulement dans un compartiment d'enroulement,
- les figures 5a à 5d illustrent le passage du fil dans des compartiments d'enroulement successifs, et
- les figures 6 à 10 sont des figures similaires à la figure 2, illustrant des variantes de réalisation.
Claims (10)
- Bobinot d'enroulement secondaire de bobine d'allumage pour moteur à combustion interne, du type comprenant un noyau tubulaire (2) d'enroulement et une pluralité d'ailettes (5a, 5b,..., 5n) sensiblement perpendiculaires à l'axe (3) du noyau, les ailettes délimitant entre elles des compartiments annulaires (6a, 6b,..., 6n) d'enroulement dont le noyau forme le fond (8a, 8b,..., 8n), et comportant chacune (5n, fig 5a) un passage (9n) pour permettre au fil de l'enroulement secondaire de passer, dans le sens de l'enroulement, du compartiment (6n) situé en amont de cette ailette au compartiment (6n+1) situé en aval, caractérisé par le fait que ledit noyau possède une forme telle que ledit passage (9n) débouche dans le compartiment amont (6n) à une certaine distance (e) dudit noyau et dans le compartiment aval (6n+1) au niveau dudit noyau.
- Bobinot selon la revendication 1, dans lequel ledit passage est constitué par le fond d'une fente s'étendant à partir du bord de l'ailette.
- Bobinot selon l'une quelconque des revendications 1 et 2, dans lequel les fonds de deux compartiments adjacents sont décalés radialement au niveau dudit passage, d'une distance (e) égale à une épaisseur d'enroulement.
- Bobinot selon l'une quelconque des revendications 1 à 3, dans lequel ledit noyau possède une section généralement rectangulaire, ledit passage étant formé dans un angle du noyau, et l'angle correspondant (10) du compartiment amont étant coupé.
- Bobinot selon l'une quelconque des revendications 1 à 3, dans lequel les fonds de deux compartiments adjacents forment des cercles non concentriques, notamment sensiblement identiques.
- Bobinot selon l'une quelconque des revendications 1 à 3, dans lequel les fonds de deux compartiments adjacents forment des ellipses, notamment sensiblement identiques, dont les grands axes sont angulairement décalés.
- Bobinot selon l'une quelconque des revendication 1 à 3, dans lequel les fonds de deux compartiments adjacents forment deux rectangles, notamment sensiblement identiques, décalés dans leur plan.
- Bobinot selon l'une quelconque des revendications 1 à 3, dans lequel les fonds de deux compartiments adjacents forment des rectangles, notamment sensiblement identiques, dont les diagonales sont angulairement décalés.
- Bobinot selon l'une quelconque des revendications 1 à 8, dans lequel le passage d'entrée (9a) dans un compartiment est décalé angulairement de son passage de sortie (9b).
- Bobinot selon la revendication 9, dans lequel lesdits passages d'entrée et de sortie sont diamétralement opposés.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9300857 | 1993-01-28 | ||
FR9300857A FR2700884B1 (fr) | 1993-01-28 | 1993-01-28 | Bobinot d'enroulement secondaire de bobine d'allumage pour moteur à combustion interne. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0609109A1 EP0609109A1 (fr) | 1994-08-03 |
EP0609109B1 true EP0609109B1 (fr) | 1998-09-09 |
Family
ID=9443439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94400034A Expired - Lifetime EP0609109B1 (fr) | 1993-01-28 | 1994-01-06 | Bobinot d'enroulement secondaire de bobine d'allumage pour moteur à combustion interne |
Country Status (12)
Country | Link |
---|---|
US (1) | US5523733A (fr) |
EP (1) | EP0609109B1 (fr) |
JP (1) | JP3513201B2 (fr) |
CN (1) | CN1041765C (fr) |
AT (1) | ATE171007T1 (fr) |
BR (1) | BR9400336A (fr) |
CA (1) | CA2114370A1 (fr) |
DE (1) | DE69413081T2 (fr) |
ES (1) | ES2124855T3 (fr) |
FR (1) | FR2700884B1 (fr) |
RU (1) | RU2121597C1 (fr) |
SI (1) | SI9400043A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2725590B1 (fr) * | 2012-10-26 | 2015-01-28 | Tyco Electronics Belgium EC BVBA | Élément de support de fil de bobine, son procédé de fabrication et un coupleur de transfert d'énergie inductif corportant celui-ci |
JP6264269B2 (ja) * | 2014-12-01 | 2018-01-24 | 株式会社デンソー | 巻線装置 |
FR3140705A1 (fr) * | 2022-10-07 | 2024-04-12 | Supergrid Institute | Bobine multicouche isolée électriquement pour transformateur électrique. |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB278842A (en) * | 1926-08-13 | 1927-10-20 | Charles Oliver | Improvements in or relating to radio or high frequency choke coils for wireless telephony |
US3461414A (en) * | 1968-05-13 | 1969-08-12 | Western Electric Co | Inductive coil and method of making the same |
US3661342A (en) * | 1970-08-19 | 1972-05-09 | Jackson Controls Co Inc | Operative winding separator |
DE2754221A1 (de) * | 1977-12-06 | 1979-06-07 | Philips Patentverwaltung | Hochspannungsspule fuer einen hochspannungstransformator |
US4274136A (en) * | 1978-09-01 | 1981-06-16 | Sony Corporation | Bobbin structure for high voltage transformers |
US4387863A (en) * | 1981-12-17 | 1983-06-14 | Western Electric Company, Inc. | Spool assembly |
JPS592572A (ja) * | 1982-06-28 | 1984-01-09 | Denki Onkyo Co Ltd | 高圧発生装置 |
JPS5941814A (ja) * | 1982-09-01 | 1984-03-08 | Hitachi Ltd | 分割巻形モ−ルド点火コイル |
DE3504298A1 (de) * | 1985-02-08 | 1986-08-14 | Robert Bosch Gmbh, 7000 Stuttgart | Fuer eine hochspannungswicklung, insbesondere fuer die sekundaerwicklung einer kraftfahrzeug-zuendspule bestimmter spulenkoerper |
DE3546371A1 (de) * | 1985-12-31 | 1987-07-02 | Basf Ag | Pyrethroide, verfahren zu ihrer herstellung und ihre verwendung zur bekaempfung von schaedlingen sowie vorprodukte fuer die herstellung der pyrethroide |
US4862130A (en) * | 1987-07-16 | 1989-08-29 | United Technologies Automotive, Inc. | Wire cross-over arrangement for angular coil assembly |
DE3741796A1 (de) * | 1987-12-10 | 1989-06-22 | Vogt Electronic Ag | Nichtlineare schwingdrossel fuer elektronische vorschaltgeraete von leuchtstofflampen |
-
1993
- 1993-01-28 FR FR9300857A patent/FR2700884B1/fr not_active Expired - Fee Related
-
1994
- 1994-01-06 DE DE69413081T patent/DE69413081T2/de not_active Expired - Fee Related
- 1994-01-06 AT AT94400034T patent/ATE171007T1/de not_active IP Right Cessation
- 1994-01-06 ES ES94400034T patent/ES2124855T3/es not_active Expired - Lifetime
- 1994-01-06 EP EP94400034A patent/EP0609109B1/fr not_active Expired - Lifetime
- 1994-01-24 US US08/185,400 patent/US5523733A/en not_active Expired - Lifetime
- 1994-01-26 BR BR9400336A patent/BR9400336A/pt not_active Application Discontinuation
- 1994-01-27 CA CA002114370A patent/CA2114370A1/fr not_active Abandoned
- 1994-01-27 RU RU94002317A patent/RU2121597C1/ru not_active IP Right Cessation
- 1994-01-28 SI SI9400043A patent/SI9400043A/sl unknown
- 1994-01-28 CN CN94101237A patent/CN1041765C/zh not_active Expired - Fee Related
- 1994-01-28 JP JP00807394A patent/JP3513201B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1041765C (zh) | 1999-01-20 |
CN1094792A (zh) | 1994-11-09 |
FR2700884B1 (fr) | 1995-04-21 |
CA2114370A1 (fr) | 1994-07-29 |
SI9400043A (en) | 1994-09-30 |
DE69413081T2 (de) | 1999-05-20 |
US5523733A (en) | 1996-06-04 |
JPH0774035A (ja) | 1995-03-17 |
JP3513201B2 (ja) | 2004-03-31 |
ES2124855T3 (es) | 1999-02-16 |
EP0609109A1 (fr) | 1994-08-03 |
ATE171007T1 (de) | 1998-09-15 |
RU2121597C1 (ru) | 1998-11-10 |
DE69413081D1 (de) | 1998-10-15 |
FR2700884A1 (fr) | 1994-07-29 |
BR9400336A (pt) | 1994-08-23 |
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