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1. 发明专利

JP2006108391A Transformer core and leakage transformer employing it 审中-公开
标题翻译：变压器核心和泄漏变压器
公开(公告)号：JP2006108391A
公开(公告)日：2006-04-20
申请号：JP2004293080
申请日：2004-10-05
申请人： Tdk Corp , Tdk株式会社
发明人： CHO TSUTOMU , ITO SHINICHIRO , INAGAKI TAKAAKI
IPC分类号： H01F38/08 , H01F27/24 , H01F30/00
摘要： PROBLEM TO BE SOLVED: To realize low profile, decrease the number of components, simplify the structure, and reduce the cost while enhancing the efficiency by one input multiple output system. SOLUTION: The transformer core has an outer circumference core 1 of rectangular frame shape, and a coil winding core 2 being secured to the bottom face of the outer circumference core 1 to link two opposing sides of the outer circumference core 1. The coil winding core 2 is a large diameter portion 3 having a larger diameter at least partially as compared with other parts, wherein a part of the large diameter portion 3 faces the outside between a primary coil and a secondary coil and constitutes a leakage gap to the leakage gap forming portion 1a of the outer circumference core 1. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过一个输入多输出系统提高效率，实现薄型化，减少组件数量，简化结构，降低成本。解决方案：变压器铁芯具有矩形框架形状的外周芯1，并且线圈绕组芯2固定到外周芯1的底面以连接外圆周芯1的两个相对的侧面。线圈绕组芯2是与其他部分相比具有至少部分大直径的大直径部分3，其中大直径部分3的一部分面向初级线圈和次级线圈之间的外部，并且构成到外圆芯1的泄漏间隙形成部1a。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006108390A Transformer core and leakage transformer employing it 审中-公开
标题翻译：变压器核心和泄漏变压器
公开(公告)号：JP2006108390A
公开(公告)日：2006-04-20
申请号：JP2004293078
申请日：2004-10-05
申请人： Tdk Corp , Tdk株式会社
发明人： CHO TSUTOMU , ITO SHINICHIRO , INAGAKI TAKAAKI
IPC分类号： H01F38/08
摘要： PROBLEM TO BE SOLVED: To realize low profile, decrease the number of components, simplify the structure, and reduce the cost while enhancing the efficiency by one input multiple output system. SOLUTION: The transformer core has a first core portion constituted of an outer circumference core 1 of rectangular frame shape and leakage cores 2 and 3 linking two opposing sides of the outer circumference core 1, and a second core portion (coil winding core 6) arranged to intersect the leakage cores 2 and 3 substantially perpendicularly and being secured to the bottom face of the outer circumference core 1 to oppose these leakage cores 2 and 3 through a predetermined interval (leakage gap g). A primary coil 8 is arranged in the center of the coil winding core 6 and secondary coils 10, 11, 13 and 14 are arranged on the opposite sides thereof. A plurality of leakage cores 2 and 3 are provided in correspondence with the position between the primary coil and the secondary coil. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过一个输入多输出系统提高效率，实现薄型化，减少组件数量，简化结构，降低成本。解决方案：变压器铁芯具有由矩形框架形状的外周芯1和连接外周芯1的两个相对侧的漏芯2和3构成的第一芯部和第二芯部（线圈绕组芯 6）布置成基本上垂直地与泄漏芯2和3相交并且被固定到外周芯1的底面以与这些泄漏芯2和3隔开预定间隔（泄漏间隙g）。初级线圈8布置在线圈绕组芯6的中心，次级线圈10,11,13和14布置在线圈绕组芯6的相对侧上。对应于初级线圈和次级线圈之间的位置设置多个漏芯2和3。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006108389A Transformer core and leakage transformer employing it 审中-公开
标题翻译：变压器核心和泄漏变压器
公开(公告)号：JP2006108389A
公开(公告)日：2006-04-20
申请号：JP2004293077
申请日：2004-10-05
申请人： Tdk Corp , Tdk株式会社
发明人： CHO TSUTOMU , ITO SHINICHIRO , INAGAKI TAKAAKI
IPC分类号： H01F38/08
摘要： PROBLEM TO BE SOLVED: To realize low profile, decrease the number of components, simplify the structure, and reduce the cost while enhancing the efficiency by one input multiple output system. SOLUTION: A pair of cores 2 having legs are provided and these cores 2 are butted each other such that the legs face each other. Each core has a middle leg 3 for winding a primary coil 9, and two outer legs 4 and 5 for winding secondary coils 10, 11, 12 and 13 arranged on the opposite sides of the middle leg 3. Leakage legs 6 and 7 constituting leakage magnetic paths are provided between the middle leg 3 and the outer legs 4 and 5, respectively. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过一个输入多输出系统提高效率，实现薄型化，减少组件数量，简化结构，降低成本。解决方案：提供具有腿的一对芯2，并且这些芯2彼此对接，使得腿彼此面对。每个芯具有用于缠绕初级线圈9的中间腿3和用于缠绕布置在中间腿3的相对侧上的次级线圈10,11,12和13的两个外腿4和5.构成泄漏的泄漏腿6和7 磁路分别设置在中间腿部3和外腿部4和5之间。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2010221290A Powder molding method, die, and powder molding device 审中-公开
标题翻译：粉末成型方法，DIE和粉末成型装置
公开(公告)号：JP2010221290A
公开(公告)日：2010-10-07
申请号：JP2009074217
申请日：2009-03-25
申请人： Tdk Corp , Tdk株式会社
发明人： SAWAI ATSUSHI , SATO SADAKI , ITO SHINICHIRO , KAWAGOE MASABUMI , MURAKAMI HIROHISA
IPC分类号： B30B11/00 , B30B11/02
摘要： PROBLEM TO BE SOLVED: To provide a powder molding method which can prevent failures upon drawing-out without depending on a lubricant, to provide a die suitable for the performance of the method, and to provide a powder molding device.
SOLUTION: The powder molding method includes: a step where a die 3 having side walls 9 and a bottom wall 11 defining a molding chamber 7 is prepared; a step where preliminary pressure 17 is applied to the side walls in a direction of narrowing the molding chamber; a step where a raw material powder is charged to the inside of the molding chamber; a step where, in a state where the preliminary pressure is applied, the raw material powder in the molding chamber is pressurized; a step where, after the pressurization of the raw material powder, the preliminary pressure is removed or reduced; and a step where, after the removal or reduction of the preliminary pressure, the molded body is drawn out from the molding chamber.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在不依赖于润滑剂的情况下防止拉出时的故障的粉末成型方法，提供适合于实施该方法的模具，以及提供粉末成型装置。解决方案：粉末成型方法包括：制备具有侧壁9的模具3和限定模制室7的底壁11的步骤; 在使成型室变窄的方向向侧壁施加预压17的工序; 将原料粉末装入成型室内部的步骤; 在施加预压力的状态下，成型室内的原料粉末被加压的步骤; 在原料粉末的加压之后，除去或减少预备压力的步骤; 在去除或减少预压力之后，将成型体从模制室中拉出的步骤。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010118493A Metallic dust coil part and method for manufacturing metallic dust core 审中-公开
标题翻译：金属粉尘线圈及制造金属粉芯的方法
公开(公告)号：JP2010118493A
公开(公告)日：2010-05-27
申请号：JP2008290623
申请日：2008-11-13
申请人： Tdk Corp , Tdk株式会社
发明人： SATO SADAKI , ITO SHINICHIRO , KAWAGOE MASABUMI , MURAKAMI HIROHISA
IPC分类号： H01F27/255 , B22F3/00 , B22F3/035 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a metallic dust coil part or the like for preventing a short circuit through the external surface of a core.
SOLUTION: In the metallic dust coil part 1, a metallic dust-core aggregate 3 is manufactured by combining metallic dust cores 9 consisting of metal and resin, a winding 5 is supported to a wound core and a pair of electrode members 7 is fitted on the external surface of the metallic dust-core aggregate. The external surface of the metallic dust-core aggregate includes a pair of opposed end faces 111a and 111b crossing a winding shaft; and four side faces 115a, 115b, 115c and 115d connecting the corresponding edges of these end faces. A grooves 135 inclined to the winding shaft is formed to each of the side faces including parts held by a pair of electrode members among the side face.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供用于防止通过芯的外表面的短路的金属防尘线圈部件等。解决方案：在金属防尘线圈部1中，通过组合由金属和树脂构成的金属防尘芯9，绕组5被支撑在卷绕铁心和一对电极构件7上来制造金属尘芯组合体3 安装在金属粉芯集合体的外表面上。金属集尘芯的外表面包括与卷绕轴交叉的一对相对的端面111a和111b; 以及连接这些端面的相应边缘的四个侧面115a，115b，115c和115d。在侧面中形成有包围由一对电极构件保持的各个侧面的与卷绕轴倾斜的槽135。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010080886A Method and device for manufacturing metal pressed powder core 有权
标题翻译：用于制造金属压力粉末芯的方法和装置
公开(公告)号：JP2010080886A
公开(公告)日：2010-04-08
申请号：JP2008250719
申请日：2008-09-29
申请人： Tdk Corp , Tdk株式会社
发明人： SATO SADAKI , ITO SHINICHIRO , KAWAGOE MASABUMI , MURAKAMI HIROHISA
IPC分类号： H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a metal pressed powder core capable of preventing short-circuit via the external surface of the core, or the like.
SOLUTION: As the method for manufacturing the metal pressed powder core, a metal mold 23 is prepared, having a movable part 31 which can move in the direction perpendicular to the extracting direction of a compact and in the direction for approaching/being isolated to/from the compact as a part which demarcates a part of a molding chamber 29. Next, the movable part is held at a position for maintaining the setting shape of the molding chamber. Next, raw powder containing metal powder and resin for insulation is filled in the molding chamber of the metal mold. The raw powder in the molding chamber is pressurized. After pressurization, the movable part is moved in the direction for separating from the compact. After moving the movable part in the direction for separating from the compact, the compact is extracted from the metal mold.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止通过芯的外表面短路的金属压制粉末芯的制造方法等。解决方案：作为金属压制粉末芯的制造方法，制备金属模具23，其具有可移动部分31，该可移动部分31可沿与压实体的提取方向垂直的方向和接近/ 作为将模制室29的一部分划分的部分，与压实体隔离。接下来，可移动部分保持在用于保持模制室的固化形状的位置。接下来，将含有金属粉末和绝缘用树脂的原料粉末填充到金属模具的成型室中。成型室中的原料粉末被加压。在加压之后，可移动部分沿与压块分离的方向移动。在可动部分沿着与压块分离的方向移动之后，压块从金属模具中取出。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2006108393A Transformer core and leakage transformer employing it 审中-公开
标题翻译：变压器核心和泄漏变压器
公开(公告)号：JP2006108393A
公开(公告)日：2006-04-20
申请号：JP2004293083
申请日：2004-10-05
申请人： Tdk Corp , Tdk株式会社
发明人： CHO TSUTOMU , ITO SHINICHIRO , INAGAKI TAKAAKI
IPC分类号： H01F38/08
摘要： PROBLEM TO BE SOLVED: To realize low profile, decrease the number of components, simplify the structure, and reduce the cost while enhancing the efficiency by one input multiple output system. SOLUTION: A pair of core portions 1 and 1 having legs are provided and made to butt each other such that the legs oppose each other. Each core portion 1, 1 has legs, i.e. a coil winding leg 2 and leakage magnetic legs 3, 4 having a surface opposing the circumferential surface of the coil winding leg 2 and substantially parallel therewith. The coil winding leg 2 is a large diameter portion 6 where at least the proximal end side portion has a diameter larger than that at the distal end side portion, a part of the large diameter portion 6 faces the outside between primary coils 8, 10 and secondary coils 12, 13, 14, 15 and a leakage gap g is formed to the opposing surfaces 3a, 4a of the leakage magnetic legs 3 and 4. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过一个输入多输出系统提高效率，实现薄型化，减少组件数量，简化结构，降低成本。解决方案：具有腿的一对芯部1和1被设置成彼此对接，使得腿彼此相对。每个芯部1,1具有腿，即线圈缠绕腿2和具有与线圈缠绕腿2的圆周表面相对的表面并且与其基本平行的泄漏磁腿3,4。线圈绕线脚2是大直径部6，其中至少基端侧部分的直径大于前端侧部分的直径，大直径部分6的一部分面向初级线圈8,10和次级线圈12,13,14,15，并且泄漏间隙g形成在漏磁腿3和4的相对表面3a，4a上。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006041187A Magnetic core for transformer and inverter transformer using it 审中-公开
标题翻译：用于变压器和逆变器变压器的磁芯使用它
公开(公告)号：JP2006041187A
公开(公告)日：2006-02-09
申请号：JP2004219022
申请日：2004-07-27
申请人： Tdk Corp , Tdk株式会社
发明人： ITO SHINICHIRO
IPC分类号： H01F27/24 , H01F38/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core for transformer which can be formed in various shapes in accordance with the installed location and, in addition, from which outputs can be taken out uniformly, and to provide an inverter transformer. SOLUTION: The magnetic core for transformer has a leg for primary coil around which a primary coil is wound and legs for secondary coil around which secondary coils are wound and which are magnetically connected to the leg for primary coil through connecting sections. A plurality of legs for secondary coil is arranged with respect to the leg for primary coil and, at the same time, the lengths of magnetic paths constituted of the legs for secondary coil are made different from each other. In addition, the differences among the magnetic resistances of the magnetic paths are reduced by adjusting at least partial cross-sectional areas or magnetic permeability of the magnetic paths in accordance with the lengths of the magnetic paths. To be concrete, the cross-sectional area (width) of the connecting section corresponding to the leg for secondary coil at the long distance from the leg for primary coil is made larger than the cross-sectional area (width) of the connecting section corresponding to the leg for secondary coil at the short distance from the leg for primary coil. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供可根据安装位置形成各种形状的变压器的磁芯，并且还可以从中均匀地取出输出，并提供逆变器变压器。解决方案：用于变压器的磁芯具有初级线圈的腿部，初级线圈被缠绕，次级线圈的腿部绕成二次线圈，并且通过连接部分磁性地连接到用于初级线圈的腿部。相对于初级线圈的腿布置有用于次级线圈的多个腿，并且同时，由用于次级线圈的腿构成的磁路的长度彼此不同。此外，通过根据磁路的长度调节磁路的至少部分截面积或磁导率来减小磁路的磁阻之间的差异。具体而言，与初级线圈的与长腿的次级线圈的腿部对应的连接部的截面积（宽度）比对应于连接部的截面积（宽度）大到与初级线圈的腿短距离的次级线圈的腿。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005191183A Method for manufacturing core structure for transformer 审中-公开
标题翻译：用于制造变压器的核心结构的方法
公开(公告)号：JP2005191183A
公开(公告)日：2005-07-14
申请号：JP2003429108
申请日：2003-12-25
申请人： Tdk Corp , Tdk株式会社
发明人： INAGAKI TAKAAKI , ITO SHINICHIRO
IPC分类号： H01F41/02
摘要： PROBLEM TO BE SOLVED: To process a gap of a U-type ferrite core stably with high precision, and to attain an accurate shape by preventing the leg of the U-type ferrite core from warping.
SOLUTION: In a method for manufacturing a core structure for a transformer comprising a combination of first and second U-type ferrite cores 10 and 20 where relations of Y1>Y2 and Y2
摘要翻译：要解决的问题：以高精度稳定地处理U型铁氧体磁芯的间隙，并且通过防止U型铁氧体磁心的腿发生翘曲来获得准确的形状。解决方案：在用于制造变压器的芯结构的方法中，包括第一和第二U型铁氧体磁芯10和20的组合，其中Y1> Y2和Y2

10. 发明专利

JP2005142320A Stacked magnetic core and electronic component 审中-公开
标题翻译：堆叠磁芯和电子元件
公开(公告)号：JP2005142320A
公开(公告)日：2005-06-02
申请号：JP2003376645
申请日：2003-11-06
申请人： Tdk Corp , Tdk株式会社
发明人： WAZAKI MASARU , ITO SHINICHIRO
IPC分类号： H01F17/04 , H01F17/06
摘要： PROBLEM TO BE SOLVED: To provide a stacked magnetic core which exhibits superior characteristics over a wider range of frequency band than conventional ones and can realize a better signal transmission characteristic and signal-suppressing effect, and also to provide an electronic component.
SOLUTION: The stacked magnetic core 1 consists of a plurality of thin segment cores 2 which are stacked in the thickness (height) direction of T and is formed as one toroidal core as a whole. The segment core 2 is formed of an oxide magnetic material, such as ferrite. Each of segment cores 2A-2E constituting the segment core 2 may be formed of the same or of different magnetic materials. The thickness T1 of each of the segment cores 2, depending on the size of the entire core, is preferably not less than 0.1 mm and more than 3 mm, if it is to be used for an ordinary circuit element.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种堆叠式磁芯，其在比现有技术更宽的频带范围内具有优异的特性，并且可以实现更好的信号传输特性和信号抑制效果，并且还提供电子部件。解决方案：堆叠的磁芯1由在T的厚度（高度）方向上堆叠的多个细分段磁芯2组成，并且整体形成为一个环形磁芯。分段芯2由氧化物磁性材料如铁氧体形成。构成分段磁芯2的各段磁芯2A-2E可以由相同或不同的磁性材料形成。如果要用于普通电路元件，则每个分段磁芯2的厚度T1取决于整个磁芯的尺寸，优选不小于0.1mm且大于3mm。版权所有（C）2005，JPO＆NCIPI

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