EP3078038A1 - Übertragerbauelement mit einstellung einer induktivität - Google Patents
Übertragerbauelement mit einstellung einer induktivitätInfo
- Publication number
- EP3078038A1 EP3078038A1 EP14795801.1A EP14795801A EP3078038A1 EP 3078038 A1 EP3078038 A1 EP 3078038A1 EP 14795801 A EP14795801 A EP 14795801A EP 3078038 A1 EP3078038 A1 EP 3078038A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core part
- core
- bearing surface
- face
- inductance
- 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
Links
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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/043—Fixed inductances of the signal type with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
-
- 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
- H01F27/2823—Wires
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/098—Mandrels; Formers
Definitions
- the invention relates to a Studentstragerbauelement with setting an inductance
- the invention relates to a Studentstragerbauelement with SET ⁇ development of an inductance of the Studentstragerbauelements during manufacture of the device.
- the invention relates to Weite ⁇ ren a method for producing a transformer component with adjustment of an inductance of the transformer during the manufacturing process.
- the air gap ⁇ represents a gap-like interruption of the magnetic core and determines the effective permeability ⁇ ⁇ the magnetic ⁇ circuit and the inductance of the fully assembled inductive ⁇ ven component.
- the air gap must have a predefi ⁇ -defined width within narrow limits as possible.
- the object of the present invention is to provide a transmission gerbauelement with setting an inductance of Studentstra ⁇ gerbauelements where the inductance at the end of the manufacturing process can be adjusted easily and reliably Wei ⁇ se.
- a further object of the present invention is to provide a method for producing a Studentstragerbauelements with adjustment of the inductance of the Studentstra ⁇ gerbauelements, by which it is possible to adjust the inductance of the Studentstragerbauelements safely and reliably at the end of the manufacturer ⁇ averaging process.
- a transformer component with adjustment of the inductance is specified in claim 1.
- the Sprinterbauelement comprises a first core part with a central leg and a second core part with a With ⁇ telschenkel.
- the first core part and the second core part each have a contact surface with a respective pitch.
- the bearing surface of the first core part located on at the on ⁇ bearing surface of the second core part.
- An end face of the middle leg of the first core part and an end face of the middle leg of the second core part face each other.
- a width of a gap between the end face of the center ⁇ leg of the first core part and the end face of the center ⁇ leg of the second core part is of a position at which the support surface of the first core member abuts the Auflageflä ⁇ surface of the second core part, dependent.
- An embodiment of a method for producing a transformer component with adjustment of the inductance is specified in claim 12.
- summarizes the method for producing a Studentstragerbauele ⁇ element with adjustment of the inductance the provision of a first core part having a center leg and a two ⁇ th core part with a center leg, wherein the first core part and the second core part each have a bearing surface ⁇ .
- the respective bearing surface of the first and second core part has a slope.
- the second core member is placed on the first core part so that the support ⁇ surface of the first core part resting on the bearing surface of the second core part and an end side of the center's ⁇ kels the first core part and an end side of the center ⁇ leg are the second core part opposite.
- the first and second core portion are moved relative to one another such that the bearing surface of the second core part slides on the support surface of the first core part and a position at which the support surface of the second core part on the Aufla ⁇ ge specifications the first core part rests, moves, and a width of a gap between the end face of the central leg ⁇ of the first core part and the end face of the middle of the second core part is changed.
- an inductance of the Studentstragerbauelements is determined.
- the movement of the first and second core parts relative to one another is terminated when the inductance detected during the movement assumes a target value.
- the two core parts between which an air gap is to be produced can be provided at the respective contact surfaces of the two core parts, each having at least one spiralför ⁇ -shaped or arc-shaped, inclined plane.
- the inclined plane of the respective bearing surface of the two core parts can by turning the first and the second core part against each other at a third contact surface, in particular between an end face of the end face of the center leg of the first core part and a Stirnflä ⁇ che the end face of the center leg of the second core part, an air gap can be generated with variable width, since by the rotation of the two core parts a core half of the other half of the core is lifted.
- the air gap and thus the permeability or inductance of the transformer can be adjusted continuously.
- any desired inductive values can be produced during the final assembly of the transformer component with identical raw cores.
- a storage of different predefined core blanks is not necessary.
- the inductance or Permeabi ⁇ formality a Mathtragerbauelements of variations in the process parameters during the production process, for example of the type of sintering of the material parameters of the materials used for the core as well as the geometric parameters, for example the shape of the core, depending.
- the geometric parameters also include the width of the air gap between the two core halves. The width of the air gap has a major impact on the permeability Bezie ⁇ hung as inductance of the finished device.
- the width of the air gap during the final assembly of the magnetic component can be adjusted by the cores themselves, dimensional and process variations as well as variations in the material parameters of the materials used and a wire coil of the transformer up to fluctuations of the winch tion numbers of the wires of the wire winding of the transformer are compensated.
- air gap does not necessarily air contained th.
- air gap any interruption core through which magnetic flux is interrupted.
- additional non-magnetic material such as paper or plastic
- additional materials that may be affected by tolerances in the thickness of the materials to use, so that the manufacturing effort and the costs incurred for this are low.
- the Mattertragerbauelement is not affected by a reduction in nuclear saturation, which occurs when using a balance screw through the necessary center hole in the middle leg.
- a UV adhesive method in which an adhesive is cured with UV curing of defined by measurement of the inductance can be realized with the angege ⁇ surrounded Kochtragerbauelement or the manufacturing process ⁇ a greater width of the air gap ⁇ the.
- the use of a UV adhesive between the bearing surfaces of the first and second core part compared to a UV adhesive method completely eliminated and only a standard core core bond may be required if the position of the two core parts do not change until the adhesive has cured can.
- Figure 1 shows an embodiment of a first core part of a
- FIG. 2 shows an embodiment of a second core part of a transformer component with stepless adjustment of the inductance
- FIG. 3 shows a perspective view of an embodiment of a transformer component with stepless adjustment of the inductance
- FIG. 4A shows a view of an embodiment of a transmitter component with continuous adjustment of the inductance from one side
- FIG. 4B shows a view of an embodiment of a transformer component with stepless adjustment of the inductance from another side
- Figure 5A an inner cross section of an embodiment of a Studentstragerbauelements with variable SET ⁇ development of the inductor with a first gap width THE SET th,
- Figure 5B an inner cross section of an embodiment of a Studentsbauelements with variable SET ⁇ development of the inductance with a second th THE SET gap width.
- FIG. 1 shows an embodiment of a first core part 10 of a transformer component with stepless adjustment of the inductance.
- the first core member 10 has a center's ⁇ kel. 11
- the center leg 11 may be formed as a cylinder-shaped rod core of the transformer.
- the first core part 10 comprises a support surface 130 with egg ⁇ ner slope.
- the bearing surface is designed to egg on ner contact surface of another core part of Sprinterbau ⁇ elements to rest.
- the center leg 11 of the first core ⁇ part 10 has an end face 111 on an end face 110.
- the bearing surface 130 of the first core part 10 is formed with respect to the end face 111 of the middle leg 11 of the first core part 10 as an inclined plane with the mentioned Stei ⁇ tion.
- the pitch of the support surface 130 against ⁇ over the end face 111 may for example be between 0.1 ° and 5 °, preferably 2 °.
- the first core part 10 furthermore has a surface 12 from which a raised structure 13 protrudes.
- the support ⁇ surface 130 of the first core part 10 is formed as a surface of the raised structure.
- the raised structure 13 may comprise at least one first projection 131 and a second projection 132.
- the first and second projections 131, 132 may protrude from the surface 12 of the first core member 10 on two opposite sides of the center leg 11.
- a first part of the bearing surface 130 of the first core part 10 is formed as a surface 1310 of the first projection 131 ⁇ .
- a second part of the support surface 130 of the first core part 10 is formed as a surface 1320 of the second projection 132.
- the surface 1310 of first pre ⁇ jump 131 which forms the first part of the support surface 130 of the first core member 10 and the surface 1320 of the two ⁇ th projection 132 which forms the second part of the support surface 130 of the first core member 10 are each in Shape shaped a segment of a circular ring.
- the first core part 10 may further comprise a circular-shaped surface 14, from which the center leg 11 of the first Core part 10 protrudes have.
- the annularly shaped surface 14 may, for example, be formed as a depression in the surface 12 of the first core part 10.
- the center leg 11 may be arranged in the center of the circular surface 14.
- the center leg 111 protrudes from the surface 14 further than the projections 131, 132 protrude from the surface 12.
- the projections 131, 132 thus have a ge ⁇ ringere height than the center leg 111.
- Figure 2 shows an embodiment of a second core member 20 of the transformer component with continuous adjustment of the inductance.
- the second core member 20 includes a central ⁇ 's angle 21.
- the second core part 20 on a ⁇ bearing surface 230 with a slope.
- the support surface 230 is adapted to rest on the support surface 130 when the core member 20 is disposed on the core member 10.
- the center leg 21 of the second core part 20 has an end face 211 on an end face 210.
- the support surface 230 of the second core part 20 is formed opposite to the end surface 211 of the center leg 21 as an inclined plane with which it ⁇ mentioned gradient.
- the bearing surface 230 of the two ⁇ th core member 20 may, for example, a slope between 0.1 ° and 5 °, preferably 2 °, with respect to the end face 211 ⁇ .
- the second core part 20, a bottom part 22 and at least one sidewall 23, which is disposed on a surface 220 of the base part have ⁇ .
- the middle leg 21 of the second core part 20 is arranged on the surface 220 of the bottom part 22 and is ⁇ at least partially from the at least one side wall 23 to give ⁇ .
- the support surface 230 is on a side opposite the bottom part 22 side of the at least one side wall 23rd arranged.
- the bearing surface 230 may be formed as an arcuate or annular shaped surface of the at least one side wall 23.
- the support surface 230 may, for example, at least two arcuate or schnikför- the mig have at least one Be ⁇ tenwand 23 rising shaped surfaces.
- the core part 20 is designed as a cap and thus as a hollow body open to one side.
- a cavity of the hollow body from the bottom portion 22 and the one side wall adjacent ⁇ be at least 23rd Inside the cavity, the center leg 21 protrudes from the bottom part 22.
- the middle leg 21 has a lower height than the at least one side wall 23.
- the support surface 230 of the second core part 20, a first inclined plane 231 which is inclined relative to a plane of the end surface 211 of the middle ⁇ leg 21 and a second inclined plane 232, which is also opposite the end surface 211 of the agent's ⁇ kels 21 has a tendency to.
- the bearing surface 230 has a first shoulder 233 and a second shoulder 234.
- the first inclined plane 231 of the support surface 230 rises in a circular manner from the first shoulder 233 to the second shoulder 234.
- the first inclined plane 231 of the support surface 230 may be formed as a first segment of a circular ring and rise from the first paragraph 233 to the second paragraph 234.
- the second inclined plane 232 rises annularly from the second paragraph 234 to the first paragraph 233.
- the second inclined plane 232 may be shaped as a second segment of the circle ⁇ ring and rise from the second paragraph to the first paragraph.
- Fi gur ⁇ 3 shows in perspective view the Sprint g., the core part 20, which is designed as a cap, is placed on the core part 10.
- Fi gur ⁇ 3 shows in perspective view the Sprint g., the core member or the cap 20 on the core member 10.
- Figure 4A shows a view of Studentstragerbauelements 1 of Figure 3 from a first side.
- Figure 4B shows the Sprint g., the core member or the cap 20 on the core member 10.
- the bearing surface 130 of the first core part 10 rests on the bearing surface 230 of the second core part 20.
- the end face 110 of the center leg 11 of the first core part 10 and the end face 210 of the central cle ⁇ 21 of the second core part 20 are opposite.
- ste ⁇ is hen the end face 111 of the center leg 11 of the ers ⁇ th core member 10 and the end face 211 of the central leg
- FIGS. 5A and 5B each show an internal cross-section of the transformer component 1 with the first core part 10 and the second core part 20, wherein the second core part 20 is arranged on the first core part 10, so that the end side 110 of the center leg 111 and the front side 210 of the Center leg 21 face.
- a bobbin 50 is arranged with a wire winding 60.
- the two core halves 10 and 20 can be NEN by an adhesive layer ⁇ shown in Figures 1 and 2 40, which is applied to the support surface 130 of the first core ⁇ part 10 and / or on the support surface 230 of the second core ⁇ part 20, be fixed to each other.
- the inductance or permeability of the transducer ⁇ gerbauelements 1 is in addition to the process parameters of the manufacturing process of the material parameters of the materials used, in particular the materials of the core halves 10, 20, the material used for the wire winding 60
- the wound with the wire winding 60 coil bobbin 50 is for example first ⁇ arranged on the first core part 10 at.
- the bobbin 50 may, for example, have a hollow tube 51, in which the middle leg 11 of the first core part 10 is arranged. After arranging the coil ⁇ body 50 with the wire winding 60 on the center leg 11, the wire winding at outer contact terminals of the core member 10 is contacted.
- the adhesive coating 40 is applied to at least one of the bearing surfaces 130, 230 of the first and second core parts 10, 20. Subsequently, the second core part 20 is arranged on the first core part 10 such that the Aufla ⁇ ge Chemistry 130 of the first core part 10 rests on the support surface 230 of the second core part 20.
- the end face 110 of the center leg 11 of the first core portion 10 and the end face 210 of the agent's ⁇ kels 21 of the second core part 20th a width of the gap 30 between the end face 110 of the middle ⁇ leg 11 of the first core part 10 and the end face 210 of the center leg 21 of the second core part 20 of a Po ⁇ sition, in which the support surface 130 of the first core member 10 to the support surface 230 of the second core part 20 is applied, depending.
- the first and second core part 10, 20 rela ⁇ tively relative to each other so moved that the support surface 230 of the second core member 20 slides on the support surface 130 of the first core member 20. In this case, a position on which the support surface 230 of the second core part 20 rests on the support surface 130 of the first core part 10 shifts. Since the bearing surface 130 of the first core part 10 with respect to the
- End face 111 of the center leg 11 and the support surface 230 of the second core member 20 with respect to the end face 211 of the center leg 21 of the second core member 20 has a slope changed by moving the first and second core member 10, 20 against each other, the width of the gap 30 between the end face 110 of the center leg 11 and the end face 210 of the middle leg 21st
- the wire winding is contacted 60 at contact terminals of the core part 10, can be determined an inductance of Studentstragerbauelements 1 while moving the first and second core member 10, 20 by the external contact terminals of the Studentstragerbauelements to a suitable Messge ⁇ advises for measuring the inductance be connected.
- the first and second core part 10, 20 can be moved towards each other so long ⁇ while measuring the inductance of the Studentstragerbauelements until the inductance of the Studentstragerbauelements determined while moving assumes a desired value Toggle.
- the bearing surface 230 of the second core part 20 rests on the bearing surface 130 of the first core part 10 such that a gap width of the air gap 30 is almost 0 mm.
- the second core part 20 is such displaced from the position shown in Figure 5A position against the first core portion 10 that the width of the air ⁇ gap 30 between the end face 110 of the center leg 11 and the end face 210 of the center leg 21 has increased. Characterized has in comparison to the position of the two core parts 10, 20 changes the inductance and the permeabilization ⁇ ty of the inductive Kochtragerbauelements in Figure 5A. When the measured inductance when moving the second
- Core member 20 takes on the first core part 10 the desired set ⁇ value, moving the first and second core ⁇ part 10 is terminated 20 relative to each other.
- the Klebstoffbe- coating 40 of the second core ⁇ 20 is applied onto the support surface 130 of the first core part 10 and / or on the support surface 230 partly is.
- the two core halves, in this position, to the inductance of the Studentstragerbauelements the setpoint ent ⁇ speaks are fixed to each other.
- the first core part 10 is provided with the surface 12 from which the raised structure 13 protrudes, wherein the bearing surface 130 as a surface of the raised
- Structure 13 is formed and wherein the raised structure 13 at least a first and a second projection 131, 132 projecting on two opposite sides of the center leg 11 of the first core member 10 from the surface 12 of the first core member 10 has.
- a first part is formed as a Oberflä ⁇ surface 1310 of the first protrusion 131 on ⁇ bearing surface 130 of the first core part 10th
- a second part of the support surface 130 is formed as a surface 1320 of the second projection 132.
- the first core part 10 is during the manufacturing process ⁇ provides such interceptge that the first part of the support surface 130 of the first core portion 10-forming surface 1310 of first pre ⁇ jump 131 and the forming the second part of the support surface 130 of the first core member 10 surface 1320 of the second projection 132 are each ge ⁇ shaped in the form of a circular ring segment .
- the second core part 20 is provided with the bottom part 22 and the at least one side wall 23, which is arranged on the surface 220 of the Bo ⁇ denteils 22.
- the agent's ⁇ angle 21 of the second core portion 20 is disposed on the surface 220 of the bottom part 22 of the second core part 20 and is for ⁇ least partially transferred from the at least one side wall 23 environmentally. Further, the second core portion 20 so ⁇ riding be found that the bearing surface 230 of the second core is arranged ⁇ part 20 at a the bottom part 22 opposite side of the at least one sidewall 23rd
- the Aufla ⁇ surface 230 may have at least two arcuate or annular shaped rising surfaces of the at least one side wall 23.
- the movement of the first and second core parts 10, 20 relative to one another takes place by twisting the first and second core parts 10, 20.
- the width of the gap 30 between the end side 110 of the middle leg 11 of the first core part 10 and the front side 210 of the center leg 21 of the second core part 20 is changed in ⁇ mul the rotational movement until the measured during rotation inductance of the Sprinterbauelements assumes the desired value. For example, if the measured inductance is too low, the two core parts 10, 20 are moved against each other such that the width of the
- Gaps 30 is reduced until the measured Induktelless ⁇ value corresponds to the desired value. Conversely, if the measured inductance compared with the desired value of the inductance is too high, the first and second core parts 10, 20 gegeneinan ⁇ moves such that the width of the air gap Zvi ⁇ rule the center leg 11 and the center leg 21 magnification ßert ⁇ . When the target value is reached, the rotational movement is stopped and the first still liquid adhesive 40 between the support surface 130 and the support surface 230 cured.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013113481.5A DE102013113481A1 (de) | 2013-12-04 | 2013-12-04 | Übertragerbauelement mit Einstellung einer Induktivität |
| PCT/EP2014/073255 WO2015082138A1 (de) | 2013-12-04 | 2014-10-29 | Übertragerbauelement mit einstellung einer induktivität |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3078038A1 true EP3078038A1 (de) | 2016-10-12 |
| EP3078038B1 EP3078038B1 (de) | 2018-09-05 |
| EP3078038B8 EP3078038B8 (de) | 2018-10-24 |
Family
ID=51868948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14795801.1A Not-in-force EP3078038B8 (de) | 2013-12-04 | 2014-10-29 | Übertragerbauelement mit einstellung einer induktivität |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10256026B2 (de) |
| EP (1) | EP3078038B8 (de) |
| JP (1) | JP6510524B2 (de) |
| CN (1) | CN105765676B (de) |
| DE (1) | DE102013113481A1 (de) |
| WO (1) | WO2015082138A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017206778A1 (de) | 2017-04-21 | 2018-10-25 | Schmidhauser Ag | Spulenbauelement, Spulenbauelementeverbund und Verfahren zur Herstellung eines Spulenbauelements |
| KR102020648B1 (ko) * | 2017-05-26 | 2019-09-11 | 주식회사 솔루엠 | 변압기 및 이를 가지는 llc 공진형 컨버터 |
| JP2019021673A (ja) * | 2017-07-12 | 2019-02-07 | ファナック株式会社 | 三相リアクトル |
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| CN2475107Y (zh) | 2001-04-18 | 2002-01-30 | 台湾光宝电子股份有限公司 | 具有多种气隙组合的电感性组件 |
| US6926115B2 (en) * | 2002-07-31 | 2005-08-09 | Hitachi Cable, Ltd. | Angle sensor, angle-torque sensor and electric power steering unit using same |
| JP2005150425A (ja) | 2003-11-17 | 2005-06-09 | Tdk Corp | トランス、トランス用磁心およびその製造方法 |
| JP2005260130A (ja) * | 2004-03-15 | 2005-09-22 | Sumida Corporation | コア |
| CN100435267C (zh) * | 2004-12-22 | 2008-11-19 | 李进 | 内穿组合式磁能发生器及其磁能灯 |
| CN101777412A (zh) | 2009-01-09 | 2010-07-14 | 台达电子工业股份有限公司 | 磁性元件 |
| WO2014095495A1 (en) * | 2012-12-19 | 2014-06-26 | Höganäs Ab (Publ) | Inductor core |
| CN203179664U (zh) | 2013-04-27 | 2013-09-04 | 潮州市鸿宇电器有限公司 | 一种变压器 |
-
2013
- 2013-12-04 DE DE102013113481.5A patent/DE102013113481A1/de not_active Ceased
-
2014
- 2014-10-29 JP JP2016536646A patent/JP6510524B2/ja not_active Expired - Fee Related
- 2014-10-29 EP EP14795801.1A patent/EP3078038B8/de not_active Not-in-force
- 2014-10-29 CN CN201480066287.6A patent/CN105765676B/zh not_active Expired - Fee Related
- 2014-10-29 US US15/039,120 patent/US10256026B2/en active Active
- 2014-10-29 WO PCT/EP2014/073255 patent/WO2015082138A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN105765676B (zh) | 2017-08-04 |
| JP6510524B2 (ja) | 2019-05-08 |
| US20170053730A1 (en) | 2017-02-23 |
| US10256026B2 (en) | 2019-04-09 |
| EP3078038B8 (de) | 2018-10-24 |
| DE102013113481A1 (de) | 2015-06-11 |
| EP3078038B1 (de) | 2018-09-05 |
| JP2017502507A (ja) | 2017-01-19 |
| CN105765676A (zh) | 2016-07-13 |
| WO2015082138A1 (de) | 2015-06-11 |
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