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1. 发明专利

JP2012256681A Dc reactor 审中-公开
标题翻译：直流电抗器
公开(公告)号：JP2012256681A
公开(公告)日：2012-12-27
申请号：JP2011128293
申请日：2011-06-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIZAWA AKINORI , KANZO MAMORU
IPC分类号： H01F38/02 , H01F27/38 , H01F29/14 , H01F37/00
摘要： PROBLEM TO BE SOLVED: To provide a DC reactor capable of improving distortion in a DC component and an AC component of a main winding current run through a main winding and achieving size reduction.SOLUTION: The DC reactor includes: a core 1; a main winding 2 wound around the core 1; an auxiliary winding 3 wound around the core 1 bypassing the main winding 2 and including a magnetic path of the main winding 2 and a common magnetic path; and a current passing section 4 for passing, through the auxiliary winding 3, such an auxiliary winding current as to cancel a magnetic flux developed by the main winding 2, depending on the size of the magnetic flux.
摘要翻译：要解决的问题：提供一种直流电抗器，其能够改善通过主绕组的主绕组电流的直流分量和交流分量的变形，并实现尺寸减小。解决方案：直流电抗器包括：芯1; 缠绕在芯1上的主绕组2; 辅助绕组3缠绕在绕着主绕组2并且包括主绕组2的磁路和公共磁路的芯1上; 以及电流通过部分4，用于通过辅助绕组3使这种辅助绕组电流取决于磁通量的大小来消除由主绕组2产生的磁通量。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2009224759A Bond magnet for direct current reactor and direct current reactor 审中-公开
标题翻译：直接电流反应器和直流电反应器的粘结磁体
公开(公告)号：JP2009224759A
公开(公告)日：2009-10-01
申请号：JP2008310354
申请日：2008-12-05
申请人： Daido Steel Co Ltd , Kuretake Denko Kk , 呉竹電鋼株式会社 , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , TSURU KOJI
IPC分类号： H01F1/08 , B22F1/00 , C22C38/00 , H01F1/053 , H01F30/00 , H01F38/02
CPC分类号： H01F3/10 , H01F1/0558 , H01F1/0578 , H01F7/02 , H01F37/00 , H01F2003/103
摘要： PROBLEM TO BE SOLVED: To provide a bond magnet that is used as a gap material of a direct current reactor and capable of reducing the noise of the direct current reactor, and the direct current reactor using the bond magnet. SOLUTION: As the bond magnet to be disposed in a gap formed in a magnetic core of the direct current rector, the bond magnet containing magnet powders containing the rapidly quenched powder of a rare earth magnet alloy is used. The rare earth magnet alloy may preferably be at least one member selected from a R-X1-X2 magnet alloy (wherein R is at least one rare earth element selected from Nd, Pr, Dy, Tb, and Ho, X1 is at least one element selected from Fe and Co, and X2 is at least one element selected from B and C), a Sm-Fe-N magnet alloy, and a Sm-Co magnet alloy. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供用作直流电抗器的间隙材料并能够降低直流电抗器的噪声的接合磁体和使用接合磁体的直流电抗器。解决方案：作为配置在形成在直流电极的磁芯中的间隙中的接合磁体，使用含有稀有磁体合金的快速淬火的粉末的含有磁粉的粘结磁体。稀土类磁体合金优选为选自R-X1-X2型磁铁合金（其中R为选自Nd，Pr，Dy，Tb，Ho的至少一种稀土元素）中的至少一种，X1为至少1种选自Fe和Co的元素，X2是选自B和C），Sm-Fe-N磁体合金和Sm-Co磁体合金中的至少一种元素。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008130945A Direct current reactor 审中-公开
标题翻译：直接电流反应器
公开(公告)号：JP2008130945A
公开(公告)日：2008-06-05
申请号：JP2006316418
申请日：2006-11-24
申请人： Daido Steel Co Ltd , Kuretake Denko Kk , 呉竹電鋼株式会社 , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , OBARA KAZUHIRO , TSURU KOJI
IPC分类号： H01F38/02 , C22C19/07 , C22C38/00 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a DC reactor capable of providing a stable and satisfactorily high inductance over a wide current range while surely retaining stability of the characteristics. SOLUTION: In gaps 13 formed in an annular magnetic core 1, there are inserted permanent magnets 2 to produce a magnetic flux directed oppositely to the direction of a magnetic flux generated by a coil 3 wound around the magnetic core 1. Each of the employed permanent magnets 2 has magnetic characteristics such that a residual magnetic flux density of the permanent magnet 2 is 25% or more of a saturation magnetic flux density of the magnetic core 1 and the magnetic coercive force is 796 kA/m or larger. As the above-described permanent magnet 2, an Sm-Co based bond magnet, or an R[20-35 wt.%]-Fe,Co[63-72 wt.%]-B[1.2 wt.% or less] based (R represents a rare earth element of the La system) rare earth bond magnet is employed. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在宽电流范围内提供稳定且令人满意的高电感的直流电抗器，同时确保保持特性的稳定性。解决方案：在形成在环形磁芯1中的间隙13中，插入有永磁体2，以产生与卷绕在磁芯1上的线圈3产生的磁通方向相反的磁通量。所使用的永磁体2具有这样的磁特性，使得永磁体2的剩余磁通密度为磁芯1的饱和磁通密度和磁矫顽力的25％以上，为796kA / m以上。作为上述永磁体2，使用Sm-Co系粘结磁体，或R [20-35重量％] Fe，Co [63-72重量％] -B [1.2重量％以下] （R代表La系的稀土元素）稀土键磁体。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP3910488B2 Reactor 有权
公开(公告)号：JP3910488B2
公开(公告)日：2007-04-25
申请号：JP2002144871
申请日：2002-05-20
申请人：三菱電機株式会社
发明人：裕治中原 , 晶今中 , 昌則加藤 , 正勝大上 , 裕之秋田 , 昭徳西広 , 良浩谷
IPC分类号： H01F37/00 , H01F38/02
CPC分类号： H01F3/14 , H01F27/38 , H01F2003/103

5. 发明专利

JP3797660B2 有权
公开(公告)号：JP3797660B2
公开(公告)日：2006-07-19
申请号：JP2001352557
申请日：2001-11-19
IPC分类号： H01F27/24 , H01F38/02

6. 发明专利

JP2005303019A Magnetic core having magnet for dc magnetic biasing and inductance component using the core 审中-公开
标题翻译：磁芯用于直流磁性偏转的磁体和使用磁芯的电感元件
公开(公告)号：JP2005303019A
公开(公告)日：2005-10-27
申请号：JP2004117419
申请日：2004-04-13
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： ISOTANI KEITA , FUJIWARA TERUHIKO
IPC分类号： H01F27/24 , H01F30/00 , H01F38/02
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core having a magnet for DC magnetic biasing having excellent core loss characteristics and DC superimposing characteristics, and to provide an inductance component using the core. SOLUTION: The magnetic core has gaps at, at least, one or more spots of a magnetic path and magnets for DC magnetic biasing which perform sputtering or vapor deposition on rare-earth magnet thin films having a characteristic coercive force of ≥5K×10 3 /4πA/m and a Tc of ≥300°C in the gap sections. The rare-earth magnet thin films are formed on ferrite-based substrates arranged in the gaps. The inductance component 10 is constituted of the magnetic core having the magnet for DC magnetic biasing and at least one turn or more of winding 4 provided in the magnetic path of the magnetic core. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优异的磁芯损耗特性和直流叠加特性的直流磁偏置磁铁的磁芯，并提供使用磁芯的电感分量。解决方案：磁芯在磁路的至少一个或多个点处具有间隙，并且用于DC磁偏置的磁体在具有≥5K的特性矫顽力的稀土磁体薄膜上进行溅射或气相沉积 ×10 3 /4πA/ m，在间隙部分中Tc> 300℃。在布置在间隙中的铁素体基底上形成稀土类磁体薄膜。电感部件10由具有用于DC磁偏置的磁体的磁芯和设置在磁芯的磁路中的绕组4的至少一个以上构成。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005183928A Electric power coil for reducing saturation of direct current 审中-公开
标题翻译：用于减少直流电流饱和的电力线圈
公开(公告)号：JP2005183928A
公开(公告)日：2005-07-07
申请号：JP2004254991
申请日：2004-09-01
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： SUTARDJA SEHAT
IPC分类号： H01F27/24 , H01F3/10 , H01F3/14 , H01F17/06 , H01F27/255 , H01F27/28 , H01F27/29 , H01F27/30 , H01F27/34 , H01F37/00 , H01F38/02
CPC分类号： H01F41/10 , H01F3/10 , H01F3/14 , H01F17/06 , H01F27/2847 , H01F27/292 , H01F27/323 , H01F27/34 , H01F37/00 , H01F38/023 , H01F41/04 , Y10T29/4902 , Y10T29/49069 , Y10T29/49071 , Y10T29/49073 , Y10T29/49121 , Y10T29/49126 , Y10T29/49128 , Y10T29/4913 , Y10T29/49135 , Y10T29/49151 , Y10T29/49155 , Y10T29/49156 , Y10T29/49222
摘要： PROBLEM TO BE SOLVED: To provide an electric power coil for reducing the saturation of a direct current. SOLUTION: The electric power coil is equipped with a first magnetic core material having first and second ends. An inner cavity is formed on the first magnetic core material extending from the first end to the second end. First and second cutouts which extrude from one of the first and second ends to the inner cavity inside are formed on the first magnetic core material. Third and fourth cutouts which extrude from the other of the first and second ends to the inner cavity inside are formed in the first magnet core material. A first conductor passes through the inner cavity and is received by the first and third cutouts. A second conductor passes through the inner cavity and is received by the second and fourth cutouts. According to the situation, the first conductor passes through the inner cavity at least two times and is received by the first, second, third, and fourth cutouts. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供用于减小直流电饱和度的电力线圈。解决方案：电力线圈配备有具有第一和第二端的第一磁芯材料。在从第一端延伸到第二端的第一磁芯材料上形成内腔。在第一磁芯材料上形成有从第一和第二端中的一个拉伸到内腔的第一和第二切口。在第一磁芯材料中形成有从第一端部和第二端部中的另一端挤出到内部空腔内部的第三和第四切口。第一导体穿过内腔并由第一和第三切口接收。第二导体穿过内腔并被第二和第四切口接收。根据情况，第一导体至少穿过内腔两次，并被第一，第二，第三和第四切口接收。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005123282A Magnetic core and inductance component using it 审中-公开
标题翻译：使用它的磁芯和电感元件
公开(公告)号：JP2005123282A
公开(公告)日：2005-05-12
申请号：JP2003354502
申请日：2003-10-15
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： FUJIWARA TERUHIKO , ISOTANI KEITA
IPC分类号： H01F1/08 , H01F38/02
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core having excellent core-loss characteristics and DC overlapping characteristics, and provide an inductance component using the magnetic core. SOLUTION: The magnetic core 11 has gaps at least at one place or more of a magnetic path. Rare-earth magnet powder has an intrinsic coercive force of 10×10 3 ×(1/4π)kA/m or more in the gaps, Tc at 500°C or higher, and a powder mean grain size of 2.5 to 50 μm. The surfaces thereof are coated with a low melting-point metal and a metallic oxide. The inductance component is composed of the magnetic core 11, to which a magnet 3 mixed with the powder and a resin and with a specific resistance of 1.0 Ω cm or more is inserted, and a winding 4 of at least one turn or more wound on the magnetic core 11 is provided. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的磁芯损耗特性和DC重叠特性的磁芯，并且使用该磁芯提供电感分量。解决方案：磁芯11至少在磁路的一个或多个位置具有间隙。稀土磁体粉末在间隙中具有10×10 3 ×（1 /4π）kA / m以上的固有矫顽力，在500℃以上的Tc，粉末平均粒径尺寸为2.5至50μm。其表面涂覆有低熔点金属和金属氧化物。电感部件由磁芯11构成，磁粉3与粉末混合，磁体3与树脂混合，电阻率为1.0Ωcm以上，缠绕在绕组4上的至少一圈以上的绕组4 设置磁芯11。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005039965A Current limiter 审中-公开
标题翻译：当前限制
公开(公告)号：JP2005039965A
公开(公告)日：2005-02-10
申请号：JP2003276506
申请日：2003-07-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SAWADA ATSUSHI , MORI SADAJIRO , TANI YOSHIHIRO , HAYASHI KAZUFUMI
IPC分类号： H01F37/00 , H01F38/02 , H02H9/02
CPC分类号： H01F2003/103
摘要： PROBLEM TO BE SOLVED: To provide a current limiter capable of realizing size and cost reductions by decreasing the number of magnets and magnetic cores and simplifying its structure. SOLUTION: This current limiter comprises the permanent magnets 1, the magnetic cores 2 constituting a closed magnetic circuit along with the permanent magnet 1 respectively, and coils 3 formed by winding a lead wire around the magnetic core 2 magnetically saturated by the permanent magnet 1 respectively. The coil 3 includes a first coil portion 3a and a second coil portion 3b connected in series so that a magnetic fields generated by current flows may be canceled each other. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2005019715A Magnetic core and inductance component using the same 审中-公开
标题翻译：磁芯和电感元件使用相同
公开(公告)号：JP2005019715A
公开(公告)日：2005-01-20
申请号：JP2003182984
申请日：2003-06-26
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： ISOTANI KEITA , FUJIWARA TERUHIKO
IPC分类号： H01F27/24 , H01F37/00 , H01F38/02
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core that has a superior core loss characteristic and a d.c. superimposing characteristic and is inexpensive, and an inductance component using the same. SOLUTION: The magnetic core has a gap at one or more places of a magnetic path, and a bond magnet is inserted into the gap. The bond magnet is made of resin and rare earth magnet powder whose inherent coersive force is 10×10 3 ×(1/4π) KAT/m or larger, Tc is 500°C or higher and average particle size is 2.5-50 μm, and its specific resistance is 1.0 Ωcm or larger and its demagnetizing factor when it is heated at 270°C for 30 minutes in an atmosphere is within 8%. The inductance component is comprised of the magnetic core 11 and a winding 4 with one turn or more. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的磁芯损耗特性和直流电压的磁芯。叠加特性并且便宜，以及使用其的电感分量。解决方案：磁芯在磁路的一个或多个位置具有间隙，并且接合磁体插入到间隙中。粘结磁体由树脂和稀土磁铁粉末制成，其固有强力为10×10 3×（1 /4π）KAT / m以上，Tc为500℃以上，平均粒子尺寸为2.5〜50μm，电阻率为1.0Ωcm以上，在大气中在270℃加热30分钟时的退磁系数在8％以内。电感分量由磁芯11和绕组4组成，其一圈以上。版权所有（C）2005，JPO＆NCIPI

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