WO2022176377A1 - 集合平角線加工品の製造方法 - Google Patents
集合平角線加工品の製造方法 Download PDFInfo
- Publication number
- WO2022176377A1 WO2022176377A1 PCT/JP2021/047277 JP2021047277W WO2022176377A1 WO 2022176377 A1 WO2022176377 A1 WO 2022176377A1 JP 2021047277 W JP2021047277 W JP 2021047277W WO 2022176377 A1 WO2022176377 A1 WO 2022176377A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- wire
- bundled
- rectangular
- processed product
- manufacturing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005452 bending Methods 0.000 claims abstract description 31
- 230000010354 integration Effects 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000004020 conductor Substances 0.000 description 18
- 229920005989 resin Polymers 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 229920001187 thermosetting polymer Polymers 0.000 description 11
- 238000009413 insulation Methods 0.000 description 6
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 210000003298 dental enamel Anatomy 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0414—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils
- H02K15/0421—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
- B21F15/02—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
- B21F15/04—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K23/00—Making other articles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the present invention relates to a method of manufacturing a bundled rectangular wire processed product by forming a plurality of bundled strands into a coil or the like and forming a rectangular wire.
- a plurality of enameled wire strands (square wire or round wire) are stretched in a straight line and assembled.
- the bundled plural enameled wire strands are formed into a bundled rectangular wire having a rectangular cross section.
- a heat-sealing film such as polyamide coated on the insulating film of the enameled wire is heated and cured to create a straight busbar (bundle wire before bending) for bending the bundled rectangular wires.
- the busbar of the bundled flat wire is bent by a bending machine (such as a multi-bender) to form a processed product such as a hairpin coil of the bundled flat wire.
- an object of the present invention is to provide a method of manufacturing a bundled flat wire processed product that can reduce the load applied between the wires (conductors) due to bending.
- Another object of the present invention is to provide a method of manufacturing a bundled flat wire processed product suitable for mass production at low cost.
- a method for manufacturing a bundled flat wire processed product includes a bending step of bending and forming a bundled wire composed of a plurality of strands having an insulating film into a predetermined shape, and a bending step of forming the bundled wire into a predetermined shape.
- the bundled wire is bent into a predetermined shape before at least a part of the bundled wire is integrated by thermal fusion bonding of thermosetting resin or thermoplastic resin.
- the cross section into a rectangular shape, the single wires can move freely in the mold without any load on each other during bending, and the load applied between the conductor wires (element wires) due to bending can be reduced. to avoid breakage or damage to the insulation film of the enamel wire, minimize the risk of wire breakage and increase in resistance due to wire elongation, and ensure electrical reliability. can be done.
- the assembly line is set in a groove of one mold having a groove with a square cross section and bent into a predetermined shape to be formed. It is preferable that the assembly lines are formed into a rectangular shape by pressing with a mold, and then heated and integrated in an integration step while maintaining this state.
- the stranded wire is preferably a litz wire obtained by twisting a plurality of round wires having a circular cross-section and having an insulation coating, and is a self-bonding wire having a fusion coating that further covers the periphery of the insulation coating. .
- the twist pitch of the litz wire is preferably 150 mm or more.
- a bundled wire composed of a plurality of strands having an insulating film is bent into a predetermined shape and formed, and the formed bundled wire has a rectangular cross section.
- at least part of the stranded wire is integrated by heat-sealing thermosetting resin or thermoplastic resin, so that the single wires can move freely in the mold without any load when bending. It is easy to bend and can reduce the load applied between the conductors by bending, avoiding the occurrence of breakage or damage to the insulation film of the enameled wire, increasing the resistance value due to the elongation of the conductor, and the risk of disconnection. can be minimized and electrical reliability can be ensured.
- FIG. 4 is a flow chart showing steps of manufacturing a hairpin coil by a method for manufacturing a bundled rectangular wire processed product according to an embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing a grouped wire formed in a grouped line forming step of a method for manufacturing a grouped flat wire processed product according to the present invention;
- FIG. 2 is a perspective view showing an example of a molding die and assembly wire used in a bending process, a rectangular shaping process, and an integration process of the method for manufacturing a grouped rectangular wire processed product according to the present invention;
- FIG. 4 is an end view showing a state in which the bundled wire is flattened in the flattening step of the method for manufacturing the bundled flat wire processed product according to the present invention
- 1 is a perspective view showing an example of a bundled flat wire processed product manufactured by a method for producing a bundled flat wire processed product according to the present invention
- FIG. 4 is a comparison diagram of a hairpin coil manufactured by the method for manufacturing a bundled rectangular wire processed product according to the present invention and a hairpin coil manufactured by a conventional manufacturing method.
- FIG. 10 is a perspective view schematically showing another configuration example of a bunched wire formed in a bunched wire forming step of the method for manufacturing a bunched flat wire processed product according to the present invention;
- FIG. 3 is a perspective view schematically showing another example of a bundled flat wire processed product manufactured by the method for producing a bundled flat wire processed product according to the present invention
- Fig. 10 is a perspective view schematically showing still another example of a bundled flat wire processed product manufactured by the method for producing a bundled flat wire processed product according to the present invention
- FIG. 10 is a perspective view showing another example of the configuration of the molding die used in the rectangular forming step and integration step of the method for manufacturing the assembled rectangular wire processed product according to the present invention and the manufactured assembled rectangular wire processed product.
- FIG. 4 is a diagram showing a curved portion of a hairpin coil manufactured by a conventional method for manufacturing a bundled rectangular wire processed product;
- FIG. 1 shows a method for manufacturing a bundled flat wire processed product according to one embodiment of the present invention.
- FIG. 2 shows the assembly lines formed in the assembly line forming process.
- FIG. 3 shows a forming die used in the bending process and the flattening process and the arranged round assembly lines.
- FIG. 4 shows a state in which the assembly line is flattened by pressure in the flattening process, and
- FIG. (B) shows the molding die after pressurization and the end surface of the flattened assembly lines.
- FIG. 5 shows a bundled flat wire processed product manufactured by the method for producing a bundled flat wire processed product according to the present invention.
- a method for manufacturing a bundled flat wire processed product includes, first, a bundled wire forming step (step S1) for forming a bundled wire by collecting a plurality of strands having an insulating film, and a bundled wire forming step.
- the enameled wire is a self-bonding wire having, for example, 100 wires with a diameter of 0.2 mm and a heat-bonding coating made of a thermosetting resin on the surface of an insulating coating.
- the twist pitch of the litz wire is preferably 150 mm or more.
- the assembly wire forming process involves only cutting to the required length. Therefore, it is possible to manufacture a bundled rectangular wire processed product suitable for mass production at low cost.
- the enameled wire may have a thermoplastic resin coating on the surface of the insulating film.
- the assembly wire 100a formed in the assembly wire forming process is bent into a predetermined shape (for example, a hairpin coil shape).
- a predetermined shape for example, a hairpin coil shape.
- the linear assembly line 100a is bent and set along the groove 20a of the square cross section of the lower mold 20A, thereby forming the assembly line 100a into a U shape.
- step S3 the assembly line 100a formed into a predetermined shape in the bending step is flattened so that the section has a flattened shape.
- a round assembly wire 100a is set in a groove 20a having a square cross section in a mold 20A below.
- an upper mold 20B having projections 20b that can be fitted into the grooves 20a is used to push and press from above to flatten the assembly wire 100a. Thereby, the collective line 100b is formed.
- the bundled wires 100b flattened in the flattening step are integrated by heating and curing the thermosetting resin.
- the thermosetting resin for example, in the case of using a self-bonding enameled wire having a heat-sealing film made of a thermosetting resin on the surface of the insulating film, after flattening with the molds 20A and 20B, the state is maintained. The molds 20A and 20B are heated, and the assembly wire 100b is integrated by heating and curing the thermosetting resin. Finally, after cooling, the bundled rectangular wire processed product 100 is taken out.
- FIG. 5 shows a bundled flat wire processed product 100 obtained by integrating the flattened bundled wires 100b.
- the method and equipment are similar to those of injection molding, and mass production can be easily realized.
- the bonding coating melts when heated, and the voids inside the stranded wire can be reduced to improve the heat conduction efficiency.
- FIG. 6 is a comparison between a hairpin coil manufactured by the method for manufacturing a bundled flat wire processed product according to the present invention and a hairpin coil manufactured by a conventional manufacturing method.
- FIG. 2 shows curved portions of a hairpin coil manufactured by a processed product manufacturing method and a hairpin coil manufactured by a conventional manufacturing method
- FIG. 4 is an enlarged view of a curved portion of a coil
- FIG. 6 the hairpin coil manufactured by the method for manufacturing a bundled flat wire processed product of the present invention has a sharper radius than the hairpin coil manufactured by the conventional manufacturing method. After processing, the conductor wire on the outer circumference is pulled into the inner circumference, and since the conductor wire on the inner circumference is not contracted, it escapes to the outside and deforms, so that the shape of the curved portion is not crushed.
- the assembled wire 100a is formed by assembling a plurality of strands having an insulating film, and the formed assembled wire 100a is formed into a predetermined shape. After bending and shaping the assembled wire 100a into a rectangular shape so as to have a rectangular cross section, the rectangular assembled wire 100b is integrated by heating and curing a thermosetting resin.
- the single wires can easily move freely in the mold without any load on each other when bending, and the load between the conductors due to bending can be reduced. It is possible to avoid the occurrence of breakage or damage of the conductor, minimize the risk of increase in resistance value due to extension of the conductor and disconnection of the conductor, and ensure electrical reliability.
- the lamination factor can be further improved.
- the present invention is not limited to this.
- a general round litz wire may be used as the bundled wire 100a.
- the twist pitch is relatively small, the lamination factor of the obtained bundled flat wire processed product is somewhat lower than that of a twist pitch of 150 mm or more.
- the round litz wire formed by assembling a plurality of strands in the stranded wire forming process was used as the stranded wire 100a, but the present invention is limited to this. not a thing
- Fig. 7 shows a configuration example of another set line.
- A) of the figure is a round flat wire (litz wire) 100c
- B) is a round wire round wire formed by extending a plurality of round wires having an insulating film in a straight line and assembling them in parallel.
- 100d is a round wire rectangular assembly wire 100e formed by straightening a plurality of round wires having an insulating film and gathering them in parallel.
- the twist pitch is desirably 150 mm or more.
- Tetoron (registered trademark) of polyester fiber or resin tape and by winding and fixing, a bundled wire can be formed.
- assembly wire a square wire rectangular assembly wire formed by stretching a plurality of square wires having an insulating film in a straight line, gathering them in parallel, winding them with Tetoron (registered trademark) or resin tape, and fixing them may also be used. good.
- FIG. 8A shows an example in which the radial height of the curved portion (coil end portion) of the coil is reduced.
- FIG. 8B shows an example in which the thickness gradually decreases from the start portion of the hairpin coil toward the curved portion of the coil. In this way, since the diameter and number of the wires (single wires) that make up the stranded wire do not change, the cross-sectional area of the entire stranded wire does not change, the change in resistance value is suppressed, and the electrical characteristics of the coil are not affected. can be done.
- an example of a hairpin coil was explained as an assembled rectangular wire processed product, but the present invention is not limited to this. It can also be applied to a bundled rectangular wire processed product 100C of spiral coils as shown in FIG.
- This assembled rectangular wire processed product 100C can be used as a wireless charging unit by wiring in the groove provided in the base plate.
- the wireless charging unit can be made thinner and the space factor of the coil can be improved compared to the case where the conventional round litz wire is used. can.
- FIG. 10 shows the configuration of the dies (30A and 30B) used in the rectangular forming step and the integration step of the method for manufacturing an assembled rectangular wire processed product according to the present invention, and the manufactured assembled rectangular wire processed product 100D. ing. As shown in FIG. 10(A), divided molds are prepared, and in the flattening step (step S3), the assembly wire 100a is bent into a U shape and formed, and then one of the linear portions of the coil is formed.
- the part is set in the groove 30a of the rectangular cross section of the lower mold 30A.
- an upper metal mold 30B having convex portions 30b that can be fitted into the grooves 30a is pressed from above and pressurized to flatten the assembly wire 100a.
- the molds (30A and 30B) are partially cured by intensive heating by the HI method.
- a bundled rectangular wire processed product 100D is formed.
- the straight portion D1 is formed into a flat shape and integrated
- the curved portion (coil end portion) D2 is formed into a flat shape and not integrated with the hardened portion in one hairpin coil.
- a free portion also exists at the same time. Therefore, in the subsequent process, for example, the end of the coil is connected to a busbar or the like by fusing or welding, or the curved portion D2 of the coil is routed as a coil end.
- the work efficiency of subsequent work may be good.
- the enameled wire is a self-bonding wire having a heat-bonding coating made of a thermosetting resin on the surface of the insulating coating, but the present invention is not limited to this.
- a thermosetting resin or thermoplastic resin may be filled in the gaps between a plurality of strands of the assembly wire and heated in the integration step.
- the present invention can be used particularly for the purpose of manufacturing bundled rectangular wire processed products that need to be bent into complicated shapes, such as hairpin coils for in-vehicle motors.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Wire Processing (AREA)
Abstract
Description
20a、30a 溝
20b、30b 凸部
20A、30A 金型(下方の金型)
20B、30B 金型(上方の金型)
100a、100c、100d、100e 集合線
100b 平角形状化された集合線
100、100A、100B、100C、100D 集合平角線加工品
D1 直線部
D2 カーブの部分(コイルエンド部)
Claims (5)
- 絶縁皮膜を有する複数の素線からなる集合線を所定形状に曲げて成形する曲げ成形工程と、
前記曲げ成形工程で所定の形状に成形された集合線を、断面が平角形状となるように平角形状化する平角形状化工程と、
前記平角形状化工程で平角形状化された集合線の少なくとも一部を熱融着により一体化する一体化工程とを備えていることを特徴とする集合平角線加工品の製造方法。 - 前記曲げ成形工程では、前記集合線を、四角形断面の溝を有する一方の金型の前記溝にセットし所定形状に曲げて成形し、前記平角形状化工程では、前記溝に嵌め合い可能な凸部を有する他方の金型で加圧して前記集合線を平角形状化させ、その状態を保持したまま前記一体化工程で加熱し一体化することを特徴とする請求項1に記載の集合平角線加工品の製造方法。
- 前記集合線は、絶縁皮膜を有する複数の断面形状が円形状の丸線を撚り合わせてなるリッツ線で、かつ前記絶縁皮膜の周りをさらに被覆する融着被膜を有する自己融着線であることを特徴とする請求項1又は2に記載の集合平角線加工品の製造方法。
- 前記リッツ線の撚りピッチは、150mm以上であることを特徴とする請求項3に記載の集合平角線加工品の製造方法。
- 絶縁皮膜を有する複数の素線を集合させてなる集合線を形成する集合線形成工程をさらに備えていることを特徴とする請求項1から4のいずれか1項に記載の集合平角線加工品の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN202180088153.4A CN116847935A (zh) | 2021-02-16 | 2021-12-21 | 集合扁线加工品的制造方法 |
EP21926800.0A EP4295969A1 (en) | 2021-02-16 | 2021-12-21 | Method for manufacturing rectangular wire bundle product |
US18/214,659 US20230339010A1 (en) | 2021-02-16 | 2023-06-27 | Method of manufacturing rectangular wire bundle product |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2021022381A JP7398120B2 (ja) | 2021-02-16 | 2021-02-16 | 集合平角線加工品の製造方法 |
JP2021-022381 | 2021-02-16 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/214,659 Continuation US20230339010A1 (en) | 2021-02-16 | 2023-06-27 | Method of manufacturing rectangular wire bundle product |
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WO2022176377A1 true WO2022176377A1 (ja) | 2022-08-25 |
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PCT/JP2021/047277 WO2022176377A1 (ja) | 2021-02-16 | 2021-12-21 | 集合平角線加工品の製造方法 |
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US (1) | US20230339010A1 (ja) |
EP (1) | EP4295969A1 (ja) |
JP (1) | JP7398120B2 (ja) |
CN (1) | CN116847935A (ja) |
WO (1) | WO2022176377A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116633059A (zh) * | 2023-05-15 | 2023-08-22 | 浙江大学 | 一种电机成型绕组结构及其加工方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090747A (ja) | 1998-09-16 | 2000-03-31 | Hitachi Cable Ltd | 平角リッツ線 |
JP2003086446A (ja) * | 2001-09-13 | 2003-03-20 | Foster Electric Co Ltd | トラック型ボイスコイルの製造方法および製造装置 |
JP2005085560A (ja) * | 2003-09-08 | 2005-03-31 | Showa Electric Wire & Cable Co Ltd | リッツ線コイル |
JP2006295106A (ja) * | 2005-07-21 | 2006-10-26 | Selco Co Ltd | 空芯コイルおよび空芯コイルの製造方法 |
WO2009013881A1 (ja) * | 2007-07-23 | 2009-01-29 | Swcc Showa Device Technology Co., Ltd. | リッツ線コイル |
JP2009245658A (ja) * | 2008-03-28 | 2009-10-22 | Furukawa Electric Co Ltd:The | 平角電線及びその製造方法 |
JP2009277396A (ja) * | 2008-05-13 | 2009-11-26 | Totoku Electric Co Ltd | 電線およびコイル |
JP2013191499A (ja) * | 2012-03-15 | 2013-09-26 | Swcc Showa Device Technology Co Ltd | リッツ線コイルおよび加熱装置 |
JP2020107776A (ja) * | 2018-12-28 | 2020-07-09 | 昭和電線ケーブルシステム株式会社 | コイルおよびコイルの製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5242490B2 (ja) | 2009-04-24 | 2013-07-24 | 公益財団法人鉄道総合技術研究所 | 磁気浮上式鉄道用地上コイルの製作方法 |
-
2021
- 2021-02-16 JP JP2021022381A patent/JP7398120B2/ja active Active
- 2021-12-21 CN CN202180088153.4A patent/CN116847935A/zh active Pending
- 2021-12-21 EP EP21926800.0A patent/EP4295969A1/en active Pending
- 2021-12-21 WO PCT/JP2021/047277 patent/WO2022176377A1/ja active Application Filing
-
2023
- 2023-06-27 US US18/214,659 patent/US20230339010A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090747A (ja) | 1998-09-16 | 2000-03-31 | Hitachi Cable Ltd | 平角リッツ線 |
JP2003086446A (ja) * | 2001-09-13 | 2003-03-20 | Foster Electric Co Ltd | トラック型ボイスコイルの製造方法および製造装置 |
JP2005085560A (ja) * | 2003-09-08 | 2005-03-31 | Showa Electric Wire & Cable Co Ltd | リッツ線コイル |
JP2006295106A (ja) * | 2005-07-21 | 2006-10-26 | Selco Co Ltd | 空芯コイルおよび空芯コイルの製造方法 |
WO2009013881A1 (ja) * | 2007-07-23 | 2009-01-29 | Swcc Showa Device Technology Co., Ltd. | リッツ線コイル |
JP2009245658A (ja) * | 2008-03-28 | 2009-10-22 | Furukawa Electric Co Ltd:The | 平角電線及びその製造方法 |
JP2009277396A (ja) * | 2008-05-13 | 2009-11-26 | Totoku Electric Co Ltd | 電線およびコイル |
JP2013191499A (ja) * | 2012-03-15 | 2013-09-26 | Swcc Showa Device Technology Co Ltd | リッツ線コイルおよび加熱装置 |
JP2020107776A (ja) * | 2018-12-28 | 2020-07-09 | 昭和電線ケーブルシステム株式会社 | コイルおよびコイルの製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116633059A (zh) * | 2023-05-15 | 2023-08-22 | 浙江大学 | 一种电机成型绕组结构及其加工方法 |
CN116633059B (zh) * | 2023-05-15 | 2024-05-14 | 浙江大学 | 一种电机成型绕组结构及其加工方法 |
Also Published As
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JP2022124635A (ja) | 2022-08-26 |
JP7398120B2 (ja) | 2023-12-14 |
US20230339010A1 (en) | 2023-10-26 |
CN116847935A (zh) | 2023-10-03 |
EP4295969A1 (en) | 2023-12-27 |
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