公开(公告)号：US20150034360A1

公开(公告)日：2015-02-05

申请号：US14459856

申请日：2014-08-14

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

Inventor： Daisuke MUTO ,  Makoto OYA ,  Satoshi NAKA

IPC: H01B7/02 ,  H01B13/06

CPC classification number: H01B7/0216 ,  C08K3/22 ,  C08K3/36 ,  C08K2003/2241 ,  C09D179/08 ,  H01B3/306 ,  H01B3/308 ,  H01B7/0233 ,  H01B7/292 ,  H01B13/065 ,  H01F5/06 ,  C08L79/08

Abstract: An insulated wire, containing: a conductor; a foamed insulating layer; and an unfoamed filled layer on the outer circumference of the foamed insulating layer, in which the filled layer contains a partial discharge resistant material, which insulated wire has all of high partial discharge inception voltage, resistance to partial discharge, heat resistance, and abrasion resistance (scratch resistance).

Abstract translation: 绝缘电线，包含：导线; 泡沫绝缘层; 以及在发泡绝缘层的外周上的未发泡的填充层，其中填充层包含耐局部放电材料，该绝缘线具有高的局部放电起始电压，耐局部放电，耐热性和耐磨性 （耐刮擦）。

公开(公告)号：US20140354394A1

公开(公告)日：2014-12-04

申请号：US14459722

申请日：2014-08-14

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

Inventor： Makoto OYA ,  Daisuke MUTO ,  Makoto ONODERA ,  Keiichi TOMIZAWA

IPC: H01B17/42 ,  B05D3/02 ,  H01F27/28

CPC classification number: H01B17/42 ,  B05D3/0254 ,  C08G73/1046 ,  C08G73/14 ,  C08L2205/02 ,  C09D179/08 ,  C09D201/00 ,  H01B3/306 ,  H01B3/308 ,  H01B7/292 ,  H01B13/065 ,  H01F5/06 ,  H01F27/28 ,  Y10T428/2935 ,  Y10T428/2967 ,  Y10T428/2969 ,  C08L79/08

Abstract: An insulated wire, containing: an insulating film made from a thermosetting resin disposed on a conductor directly or via an insulating layer interposed therebetween, in which the insulating film made from a thermosetting resin is a layer containing bubbles prepared by baking a varnish of thermosetting resin, and a layer containing no bubbles is formed as an upper or lower layer of the layer containing bubbles.

Abstract translation: 一种绝缘电线，包括：由热固性树脂制成的绝缘膜，直接或通过绝缘层设置在导体上，其中由热固性树脂制成的绝缘膜是包含通过烘烤热固性树脂的清漆制备的气泡的层 ，并且不含气泡的层形成为含有气泡的层的上层或下层。

公开(公告)号：US20140225704A1

公开(公告)日：2014-08-14

申请号：US14255551

申请日：2014-04-17

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

Inventor： Keisuke IKEDA ,  Makoto OYA ,  Daisuke MUTO ,  Keiichi TOMIZAWA

IPC: H01B3/42 ,  H01F27/28

CPC classification number: H01B3/421 ,  H01B3/305 ,  H01B3/42 ,  H01B3/422 ,  H01B3/445 ,  H01F5/06 ,  H01F27/2823 ,  H01F27/32 ,  H02K3/30 ,  Y10T428/2929 ,  Y10T428/2967 ,  Y10T428/2969

Abstract: The present invention provides a multilayer insulated electric wire to achieve a good balance between heat resistance and voltage resistance characteristics, then satisfy IEC standards Pub. 61558 which require strict voltage regulation, and electric or electronic equipment such as transformer formed by winding the insulated electric wire.The present invention is a multilayer insulated electric wire including two or more insulating layers, wherein at least one layer of the insulating layers other than the outermost layer is an insulating layer containing a resin having a melting point of 200° C. or higher and a tensile modulus of elasticity at 25° C. of 1000 MPa or less, and the multilayer insulated electric wire is coated with a resin material (also simply called a resin) having a tensile modulus of elasticity at 25° C. of 1000 MPa or more as the outermost layer, and electric or electronic equipment such as transformer formed by winding the insulated electric wire.

Abstract translation: 本发明提供了一种多层绝缘电线，以实现耐热性和耐电压特性之间的良好平衡，然后满足IEC标准。 61558要求严格的电压调节，以及通过缠绕绝缘电线形成的电气或电子设备如变压器。 本发明是一种包含两层以上的绝缘层的多层绝缘电线，其中除了最外层以外的绝缘层中的至少一层是含有熔点为200℃以上的树脂的绝缘层， 在25℃下的拉伸弹性模量为1000MPa以下，多层绝缘电线在25℃下的拉伸弹性模量为1000MPa以上的树脂材料（也简称为树脂） 作为最外层，以及通过缠绕绝缘电线形成的电气或电子设备如变压器。

公开(公告)号：US20160055940A1

公开(公告)日：2016-02-25

申请号：US14921149

申请日：2015-10-23

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA MAGNET WIRE CO., LTD.

Inventor： Makoto OYA ,  Daisuke MUTO ,  Keiichi TOMIZAWA

IPC: H01B7/02 ,  H01B7/00 ,  H01B3/30 ,  H01F27/28

CPC classification number: H01B7/0216 ,  H01B3/303 ,  H01B3/306 ,  H01B3/308 ,  H01B7/0009 ,  H01B7/0283 ,  H01B13/065 ,  H01F5/06 ,  H01F27/02 ,  H01F27/2823 ,  H01F27/30 ,  H02K3/30 ,  H02K3/34

Abstract: An insulated wire having a rectangular shaped cross-section, containing: a conductor having a rectangular shaped cross-section; and an insulating layer coated on the conductor, in which the insulating layer has a foamed layer composed of a thermosetting resin containing bubbles, the cross-section of the insulating layer has a shape composed of a flat portion and a corner portion, and the insulating layer satisfies the relationship represented by the following formula: ∈1 (T1/∈1) wherein T1 [μm] represents a thickness of the flat portion; ∈1 represents a relative dielectric constant of the flat portion; T2 [μm] represents a thickness of the corner portion; and ∈2 represents a relative dielectric constant of the corner portion, and an electric/electronic equipment, a motor, or a transformer, using the insulated wire.

Abstract translation: 一种具有矩形横截面的绝缘电线，包括：具有矩形横截面的导体; 以及绝缘层，其被覆在所述导体上，所述绝缘层具有由含有气泡的热固性树脂构成的发泡层，所述绝缘层的横截面为由平坦部和角部构成的形状，所述绝缘层 （T1 /∈1）其中T1 [μm]表示平坦部分的厚度;∈1<3和（T2 /∈2）>（T1 /∈1） ∈1表示平坦部分的相对介电常数; T2 [μm]表示角部的厚度; ∈2表示角部的相对介电常数，以及使用绝缘电线的电气电子设备，电动机或变压器。

公开(公告)号：US20200211734A1

公开(公告)日：2020-07-02

申请号：US16816772

申请日：2020-03-12

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Akira TACHIBANA ,  Daisuke MUTO ,  Hirofumi OSHIMA

IPC: H01B7/08 ,  H01B7/40 ,  H02K3/28 ,  H01B1/02 ,  H01B3/42

Abstract: Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; a peripheral insulating layer with which a periphery of the conductor is coated; and a welding member provided at at least one end portion of the conductor and joined, via a welded portion welded to the single core conductor or divided conductors, to at least a peripheral surface of the welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.