EP2458598B1 - Composant inductif pour hauts courants et son procédé de fabrication - Google Patents

Composant inductif pour hauts courants et son procédé de fabrication Download PDF

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Publication number
EP2458598B1
EP2458598B1 EP12153862.3A EP12153862A EP2458598B1 EP 2458598 B1 EP2458598 B1 EP 2458598B1 EP 12153862 A EP12153862 A EP 12153862A EP 2458598 B1 EP2458598 B1 EP 2458598B1
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EP
European Patent Office
Prior art keywords
conductor
current conductor
parts
component according
shaped part
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.)
Active
Application number
EP12153862.3A
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German (de)
English (en)
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EP2458598A1 (fr
Inventor
Josef Feth
Roman Brunel
Gerd Riedel
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.)
TDK Electronics AG
Original Assignee
Epcos AG
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Publication date
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Publication of EP2458598A1 publication Critical patent/EP2458598A1/fr
Application granted granted Critical
Publication of EP2458598B1 publication Critical patent/EP2458598B1/fr
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/303—Clamping coils, windings or parts thereof together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2895—Windings disposed upon ring cores
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Definitions

  • the invention relates to an inductive component with a closed magnetic core, which is used in applications for high currents (eg in mains filters).
  • An inductive component is known from the publications DE 2850657 C2 and CH 290733 ,
  • the publication JP 2001-274030 , the pamphlet US 6,269,531 and the publication GB 120593 show inductive components of several L-shaped flat parts.
  • the publication JP 6-302437 shows an inductive component having L- and U-shaped parts.
  • An inductive device suitable for high currents has a current conductor with a large cross-section.
  • the current conductor may be formed as a flexible strand or a hard-to-bend solid conductor (eg busbar).
  • the present invention has for its object to provide a suitable for high currents inductive component having a high inductance and a small footprint.
  • the invention provides a high-current suitable inductive component with a closed magnetic core and a Conductor, which runs at least twice through the interior of the magnetic core and forms a winding of the inductive component.
  • the conductor comprises a plurality of firmly connected, pre-bent or angled parts of a Solid conductor, which has a high bending strength.
  • Two interconnected conductor parts can, for. B. be U-shaped, wherein the leg length of the U-piece may be different.
  • Two interconnected current conductor parts can also be designed in each case as an L-piece.
  • the connection of a U-piece with an L-piece is also provided.
  • the conductor parts can be bent twice or bent at least once, to form a U-piece twice, in a variant also more than twice. It is essential that one limb of the respective conductor part can be pushed through the inner hole of the core.
  • the invention has the advantage that in the case of an inductive component designed for high currents, high inductance values can be achieved with a small constructional volume.
  • the number of turns is quadratic.
  • a solid conductor has the advantage of low ohmic losses compared to a flexible conductor which is composed of several current wires.
  • the solid conductor has a high dimensional stability and therefore a high mechanical strength.
  • Conductor parts realized from a solid conductor have the advantage that they retain a predetermined shape when connected to further conductor parts.
  • a solid conductor in the inductive component according to the invention is to be distinguished from a flexible wire, in particular from a wire wound around a core.
  • the current carrying capacity of the solid conductor may vary depending on the application z. 200A, 500A, 1000A or 2500A.
  • the hard-to-bend Solid conductor is preferably also to be distinguished from a flexible solid conductor, which has a current carrying capacity of less than 150 A.
  • the solid conductor preferably represents a busbar or busbar with a rectangular cross section.
  • the solid conductor can, for. B. be a copper rail or an aluminum rail.
  • the solid conductor can also consist of another metal with a good electrical conductivity.
  • the solid conductor can also be a flat conductor made of stamped metal, z. B. be sheet metal. It is advantageous if at least one of the firmly interconnected conductor parts has two contact areas which are offset in height from one another.
  • the ladder parts can z. B. U-shaped or L-shaped flat parts, wherein transverse sections of the conductor part are either in a plane or in the planes that form an acute angle to each other.
  • the conductor may be in one variant, an electrical conductor without Isolierumhüllung.
  • the current conductor can have an insulating sheath.
  • the Isolierumhüllung can z. B. be formed by an insulating varnish or a plastic layer.
  • the conductor is preferably composed of a plurality of sub-conductors, the z. B. are mechanically firmly connected by screwing, soldering or welding. Such an embodiment of the conductor facilitates the installation of a winding with closed cores.
  • junction between different parts of the conductor is preferably outside the interior of the magnetic core, for. B. above the plane in which the upper end face of the magnetic core is located, or below the plane in which the lower end face of the magnetic core is located.
  • the magnetic core can be designed in one variant as a homogeneous closed ring core with or without a gap.
  • the gap may be filled with a material having a different magnetic permeability from the material of the core.
  • the magnetic core of several parts, for. B. composed of two U or E parts.
  • the core may also be formed of an E-shaped and a rod-shaped core part, forming two closed magnetic circuits.
  • the gaps formed in this case can be filled with a material having a different magnetic permeability from material of the core.
  • an adhesive for connecting the core parts can be arranged together.
  • the core or the core part can, for. Example of iron, metal oxides, ceramics, plastic, ferrites or other soft magnetic materials or alloys thereof.
  • the core or the core part may be composed of iron sheets.
  • the magnetic core may be multi-part, wherein the core parts each have a closed magnetic circuit and are arranged one above the other along the core axis.
  • the magnetic core may be divided along its central axis into two U-shaped parts or two E-shaped parts.
  • the pre-bent or angled parts of the conductor can be inserted through the inner hole of the magnetic core and then connected together outside of the inner hole of the core.
  • pre-bent conductors are assembled in a one-piece magnetic core.
  • a composite magnetic core it is possible first to bend the conductor or to connect the parts of the conductor together, wherein turns of a winding are formed.
  • the first core part is pushed through the windings of the conductor.
  • the first core part is then mechanically connected to a second core part.
  • a choke with two windings and the second core part is pushed through the turns of another conductor.
  • the two core parts with windings are then mechanically interconnected.
  • the conductor is preferably fixed in the device so that it does not touch the core.
  • the arrangement of the core and the conductor or parts of the arrangement may be in the housing of the device z. B. be fixed by means of a potting. It is also possible to attach the core and the conductor to the housing independently.
  • the current conductor preferably forms a winding which is wound around the magnetic core.
  • Each turn of the conductor is assigned its own winding level.
  • a portion of the conductor can be angled so that thereby takes place the change from one winding plane to the next winding plane.
  • the transition to the next winding level can also be achieved by angled connectors between the parts of the conductor.
  • the invention can be used, for example, as a current-compensated choke in a line filter suitable for two, three or> 3 current phases.
  • each of the windings is essentially formed as the first current conductor described above.
  • a variant ( Fig. 3F ) It is provided that, in a first conductor part, the opening of the U-piece facing the first end face of the core. In a second conductor part, which is firmly connected to the first part, the opening of the U-piece preferably has the second end face of the core.
  • the legs of the two U-pieces have an overlap region and are firmly connected to each other in this area.
  • the U-pieces are pre-bent in a variant. In another variant, they are available as stamped flat parts.
  • FIG. 1 shows an inductive component with a magnetic core 3 and two windings, which are formed by a first conductor 1 and a second conductor 2.
  • the arrangement of the magnetic core 3 and the current conductors 1, 2 is arranged in a housing 4 made of sheet metal.
  • the first conductor 1 is composed of two pre-bent parts 11 and 12.
  • the second conductor 2 is also composed of two pre-bent parts 21 and 22.
  • the parts of the respective conductor are connected together by means of fastening elements 71 and 72 firmly together, for. B. screwed.
  • the first part 11 of the first conductor 1 has two openings for receiving fastening elements 71, an opening 11b visible in FIG. 2 in the region of the first terminal 111 of the first conductor 1 and a further opening for receiving a fastening element 73.
  • the fastening element 73 is used for fastening a line piece, not shown here, which produces the electrical connection to the board 8 here.
  • the first part 11 of the first conductor 1 may have only one opening for receiving fastening elements or more than two such openings.
  • the second part 12 of the first conductor 1 has two openings for receiving fastening elements 71, an opening 12b visible in FIG. 2 in the region of the second connection 112 of the first conductor 1 and a further opening 77 for receiving a fastening element 76 (see FIG Fig. 2 ) on.
  • the fastener 76 is used for attachment of a line piece, not shown here, in Fig. 2 the electrical connection to the capacitor 6 produces.
  • the first conductor 1 extends twice through the inner hole 31 of the closed magnetic core 3.
  • the second conductor 2 also passes twice through the inner hole 31 of the magnetic core 3.
  • the second conductor 2 is similar in structure as the first conductor. 1
  • the parts 11, 12 of the conductor 1 are constructed so that they can be easily inserted through the magnetic core 3 respectively.
  • the decomposition of the conductor 1 in the sections 11, 12 may, for. B. - as in Fig. 3A shown - be made so that the distance a between the legs of the U-shaped member 11 is not smaller than the wall thickness b of the magnetic core.
  • the parts 11, 12 are mechanically connected to each other and fixed relative to the core, that their connection point above the plane in which the upper end face of the magnetic core 3 is arranged, is located.
  • the arrangement can be designed to save space, in particular in the direction transverse to the axis of the magnetic core 3. It is advantageous if the connection point between the sections 11, 12 faces away from the inner hole 31 of the magnetic core 3.
  • the conductor 1 can be broken down into more than two sections depending on the predetermined number of turns. It is advantageous to form the sections with U-shaped areas, wherein the (preferably shorter) legs of different U-parts partially overlap each other.
  • the core can be inserted between the legs of a U-section.
  • the sections 11, 12 of the first conductor 1 and the sections 21, 22 of the second conductor 2 are preferably angled toward the outside so that the distance between the first component terminals 111 and 211, the distance between the second component terminals 112 and 212 is equal to.
  • only parts are used, each of which forms less than a whole turn around the core. They preferably form a half or three quarters turn.
  • the first conductor 1 is fixed by means of the insulating inserts 51, 53 in the housing 4 and electrically isolated from this.
  • the second conductor 2 is fixed by means of the insulating inserts 52, 54 in the housing 4 and electrically isolated from this.
  • the inserts 51 to 54 are fastened in the housing by means of the fastening elements 74, 75.
  • the magnet core 3 is a toroidal core with an inner hole 31.
  • the magnet core 3 is here in three parts, wherein the core parts each have a closed magnetic circuit and are arranged one above the other along the core axis.
  • the magnetic core 3 is fixed in the housing 4 such that it does not touch the windings of the current conductors 1, 2.
  • the winding can touch the core, if the core of an electric insulating material or the winding of core is electrically isolated.
  • the housing 4 surrounds the magnetic core 3, the first conductor 1 to its terminals 111, 112 and the second conductor 2 except for its terminals 211, 212.
  • the housing 4 has openings 41 for receiving further fasteners, with which the entire component z. B. can be mounted on a panel or in a sheet metal cabinet.
  • the openings 41 may also be rivet holes for a housing cover.
  • FIG. 2 shows the perspective view of a network filter with an inductive component.
  • the housing 4 in addition to the inductive component (elements 1, 2, 3) are electrically connected to this connected capacitors 6 and 81 to 83.
  • the capacitors 81 to 83 are mounted on a printed circuit board 8.
  • the circuit board 8 is electrically connected to the housing 4 by means of a copper strip 84 low inductively.
  • FIGS. 3A to 3F show process steps in the assembly of the conductor to the magnetic core.
  • the closed magnetic core 3 and the sections 11, 12 of the first conductor 1 and the sections 21, 22 of the second conductor 2 are provided.
  • the sections 11, 12, 21, 22 of the first 1 and second 2 current conductors are U-shaped with an angled longer leg.
  • the first part 11 of the first conductor 1 and the first part 21 of the second conductor 2 is pushed through from below over the wall of the magnetic core 3 ( Fig. 3A, 3B . 3E ) and aligned so that the distance to the magnetic core 3 is complied with, and z. B. by means of in Fig. 2 shown inserts 51, 52, z. B. by means of bushings, not shown in the housing of the component ( Fig. 3C . 3F ).
  • the second part 12 of the first conductor 1 and the second part 22 of the second conductor 2 is inserted from above into the inner hole 31 of the magnetic core 3 ( Fig. 3B . 3E ) and relative to the core and the sections 11, 21 ( Fig. 3C . 3F ), that the openings 11 a, 12 a of the sections 11, 12 coincide with each other and the distance to the magnetic core 3 is maintained, and z. B. by means of in Fig. 2 shown inserts 53, 54, z. B. by means of bushings, fixed in the housing of the device ( Fig. 3D . 3F ).
  • the section 11 is z. B. firmly connected by means of fastening elements with the section 12.
  • the section 21 is z. B. by means of fasteners firmly connected to the section 22.
  • the joining of the sections together can be done before fixing these sections in the housing.
  • the joining of the sections with each other can also be done after fixing these sections in the housing.
  • the magnetic core can be fixed in a variant prior to the passage of the sections 11, 12, 21, 22 in the housing.
  • the magnetic core can be fixed in the housing only after the alignment and fixing of the sections 11, 12, 21, 22.
  • the first assembly of the first conductor 1 is mounted first.
  • the second conductor 2 is mounted in the same manner.
  • the first sections 11, 21 can also be inserted or mounted in a single step, wherein the second sections 12, 22 are pushed through and mounted in a further step.
  • FIG. 4 an inductive component with a winding is shown, which is composed of firmly interconnected L-shaped flat conductor parts 11 ', 12', 13 '.
  • the first flat conductor parts 11 'and 13' are bent so that they each have a sloping portion 11 b, 13 b.
  • the section 11b or 13b connects the sections 11a and 11c or 13a and 13c arranged in different winding planes. With the oblique portion of the L-piece or by mounting with a height offset (the connecting areas) so succeeds the transition between two winding levels.
  • connection regions of flat conductor parts 11 ', 12' and 13 ' are assigned to a connection region 101, 102, 103, 104.
  • the connection areas 101 and 103, 102 and 103, 102 and 104 of two flat conductor parts are arranged along one diagonal each.
  • the flat conductor parts are firmly connected to each other in the connection areas, z. B. welded, bolted or brazed.
  • the parts of the conductor 1 may have openings for receiving fastening elements 71, 73, 76.
  • the first flat conductor parts 11 'and 13' are connected to each other by means of a second flat conductor part 12 '.
  • the second flat conductor part 12 ' has no kink and is arranged in a winding plane. In principle, however, it can also be folded like the parts 11 ', 13'.
  • the winding may comprise more than just two first parts 11 ', 13' and only one second part 12 '.
  • the conductor part 11 ' is fixedly connected to the connection piece 111 and the conductor part 13' to the connection piece 112.
  • the connecting pieces preferably each have at least one opening for receiving a fastening element.
  • the L-pieces in Fig. 4 can be replaced in a variant by U-shaped flat conductor parts, wherein z. B. the first U-part is bent in such a way that its connector runs obliquely.
  • the second U-part can lie in a winding plane or be bent.
  • the junctions of two U-pieces preferably face the faces of the core.
  • the magnetic core in FIG. 4 is a closed core composed of two interconnected U-pieces.
  • the magnetic core can also be integral.
  • the invention is not limited to the example presented or certain materials. Further developments of the invention z. As regards the configuration of the connection point between different parts of the conductor or with respect to the attachment of parts of the arrangement of the core and the conductor are provided.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)

Claims (16)

  1. Composant inductif présentant
    un noyau magnétique fermé (3), et
    un premier conducteur de courant (1) qui traverse au moins deux fois l'intérieur du noyau magnétique (3),
    le conducteur de courant (1)
    comportant deux premières parties (11', 13') en forme de L et une deuxième partie (12') en forme de L constituées de conducteurs plats, et les premières parties (11', 13') en forme de L étant coudées de manière à présenter des parties plates (11a, 11c) disposées dans différents plans d'enroulement et une partie plate (11b) qui s'étend obliquement par rapport à ces plans et les premières parties (11', 13') en forme de L étant disposées l'une au-dessus de l'autre et leurs extrémités mutuellement diagonales étant solidarisées d'extrémités différentes de la deuxième partie (12') en forme de L.
  2. Composant selon la revendication 1, dans lequel les parties (11', 12', 13') en forme de L raccordées les unes aux autres présentent des extrémités disposées les unes au-dessus des autres et situées dans différents plans d'enroulement.
  3. Composant selon l'une des revendications 1 ou 2, dans lequel la deuxième partie (12') en forme de L et les extrémités des premières parties (11', 13') en forme de L qui lui sont reliées sont disposées dans un plan commun.
  4. Composant selon l'une des revendications 1 à 3, dans lequel les parties (11', 12', 13') en forme de L sont estampées.
  5. Composant selon l'une des revendications 1 à 4, dans lequel le conducteur de courant (1) est un rail de courant dont la capacité de support de courant est de 150 A ou davantage ou dont la capacité de support de courant est de 500 A ou davantage.
  6. Composant selon l'une des revendications 1 à 5, dans lequel les parties (11', 12', 13') du conducteur de courant (1) sont reliées les unes aux autres par voie mécanique.
  7. Composant selon l'une des revendications 1 à 6, dans lequel l'emplacement de liaison est situé à l'extérieur d'un espace délimité par deux plans dans lesquels sont situées les surfaces frontales du noyau magnétique (3).
  8. Composant selon la revendication 6 ou 7, dans lequel le conducteur de courant (1) présente plusieurs enroulements situées chacun dans un plan d'enroulement propre, la transition entre deux plans d'enroulement étant située au niveau de l'emplacement de liaison.
  9. Composant selon l'une des revendications 1 à 8, dans lequel les différentes parties du conducteur de courant (1) sont fixées les unes aux autres au moyen d'éléments de fixation (71, 72) ou dans lequel les différentes parties du conducteur de courant (1) sont soudées, brasées ou rivetées les unes sur les autres.
  10. Composant selon l'une des revendications 1 à 9, dans lequel le conducteur de courant (1) présente deux bornes de raccordement (111, 112) prolongées vers des côtés frontaux différents du noyau magnétique (3).
  11. Composant selon l'une des revendications 1 à 10, présentant un boîtier (4) qui entoure complètement le noyau magnétique (3) et le conducteur de courant (1) jusqu'à ses deux bornes de raccordement (111, 112).
  12. Composant selon la revendication 11, dans lequel le noyau magnétique (3) et le conducteur de courant (1) sont fixés dans le boîtier (4) par une pâte de scellement.
  13. Composant selon l'une des revendications 1 à 12, présentant au moins un deuxième conducteur de courant (2) qui traverse au moins deux fois l'intérieur du noyau magnétique (3), le deuxième conducteur de courant (2) étant un conducteur massif qui présente plusieurs parties en forme de L reliées solidairement les unes aux autres.
  14. Procédé de fabrication d'un composant inductif selon l'une des revendications précédentes, le procédé comportant les étapes suivantes :
    A) une première partie (11) en forme de L d'un conducteur de courant (1) et qui est un conducteur plat et qui est coudée de telle sorte qu'elle présente des parties plates (11a, 11c) disposées dans différents plans d'enroulement et une partie plate (11b) qui s'étend obliquement par rapport à ces plans est passée par le trou intérieur d'un noyau magnétique fermé (3),
    B) la première partie (11') en forme de L et une deuxième partie (12') en forme de L du conducteur de courant (1) sont orientées par rapport au noyau magnétique (3) et l'une par rapport à l'autre de telle sorte qu'elles présentent des parties superposées,
    D) la première et la deuxième partie (11', 12') en forme de L du conducteur de courant (1) sont reliées solidairement l'une à l'autre par voie mécanique dans les parties superposées,
    E) une première partie (13') additionelle en forme de L est disposée au-dessus de la première partie (11') en forme de L,
    F) la première partie additionelle et la deuxième partie (13', 12') en forme de L sont reliées solidairement par voie mécanique dans les parties superposées de telle sorte que les extrémités mutuellement diagonales de la première partie et de la première partie additionelle (11', 13') en forme de L soient solidarisées d'extrémités différentes de la deuxième partie (12') en forme de L.
  15. Procédé selon la revendication 14, dans lequel la deuxième partie (12') inclinée ou pré-cintrée en forme de L du premier conducteur de courant (1) est passée dans le trou intérieur du noyau magnétique (3).
  16. Procédé selon l'une des revendications 14 ou 15, dans lequel la première et la deuxième partie (11', 12') en forme de L du conducteur de courant (1) est fixée dans le boîtier (4) du composant.
EP12153862.3A 2004-08-12 2005-08-11 Composant inductif pour hauts courants et son procédé de fabrication Active EP2458598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004039230A DE102004039230A1 (de) 2004-08-12 2004-08-12 Induktives Bauelement für hohe Ströme und Verfahren zu dessen Herstellung
EP05774087.0A EP1776709B1 (fr) 2004-08-12 2005-08-11 Composant inductif pour courants eleves et procede de production de ce composant

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP05774087.0 Division 2005-08-11
EP05774087.0A Division-Into EP1776709B1 (fr) 2004-08-12 2005-08-11 Composant inductif pour courants eleves et procede de production de ce composant
EP05774087.0A Division EP1776709B1 (fr) 2004-08-12 2005-08-11 Composant inductif pour courants eleves et procede de production de ce composant

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EP2458598A1 EP2458598A1 (fr) 2012-05-30
EP2458598B1 true EP2458598B1 (fr) 2017-09-27

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EP05774087.0A Active EP1776709B1 (fr) 2004-08-12 2005-08-11 Composant inductif pour courants eleves et procede de production de ce composant
EP12153862.3A Active EP2458598B1 (fr) 2004-08-12 2005-08-11 Composant inductif pour hauts courants et son procédé de fabrication

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Country Status (6)

Country Link
US (1) US8063728B2 (fr)
EP (2) EP1776709B1 (fr)
JP (1) JP2008509568A (fr)
CN (1) CN1993782B (fr)
DE (1) DE102004039230A1 (fr)
WO (1) WO2006015589A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004039230A1 (de) 2004-08-12 2006-02-23 Epcos Ag Induktives Bauelement für hohe Ströme und Verfahren zu dessen Herstellung
DE102005006344A1 (de) 2005-02-11 2006-08-17 Epcos Ag Isolierteil und Ringkerndrossel
JP2009010445A (ja) * 2007-06-26 2009-01-15 Hitachi Ltd ノイズフィルタ
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CN1993782A (zh) 2007-07-04
DE102004039230A1 (de) 2006-02-23
CN1993782B (zh) 2011-05-11
WO2006015589A1 (fr) 2006-02-16
EP2458598A1 (fr) 2012-05-30
US20080012675A1 (en) 2008-01-17
JP2008509568A (ja) 2008-03-27
US8063728B2 (en) 2011-11-22
EP1776709A1 (fr) 2007-04-25
EP1776709B1 (fr) 2014-06-25

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