公开(公告)号：US20120004110A1

公开(公告)日：2012-01-05

申请号：US13172062

申请日：2011-06-29

申请人： Masaya TAKAHASHI ,  Tsuyoshi Wakuda ,  Yota Ichiki ,  Kazuhide Tanaka

发明人： Masaya TAKAHASHI ,  Tsuyoshi Wakuda ,  Yota Ichiki ,  Kazuhide Tanaka

IPC分类号： H01B12/06 ,  H01F6/00 ,  H01F6/06 ,  H01B13/00

CPC分类号： C01B35/04 ,  C04B35/62272 ,  C04B35/6261 ,  C04B35/6325 ,  C04B2235/401 ,  C04B2235/421 ,  C04B2235/449 ,  C04B2235/526 ,  C04B2235/5264 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6581 ,  C04B2235/6584 ,  H01F6/06 ,  H01L39/141 ,  H01L39/2487

摘要： It is an objective of the present invention to provide a method for manufacturing long lengths of MgB2 superconducting wire having excellent superconducting properties and an MgB2 superconducting wire manufactured thereby. There is provided a method for manufacturing a magnesium diboride superconducting wire, comprising the successive steps of: filling a metallic tube with a raw material powder; and subjecting the tube to wiredrawing processing, in which a fatty acid metal salt or a mixture of the fatty acid metal salt and a fatty acid is added to the raw material powder.

摘要翻译： 本发明的目的是提供一种制造具有优异的超导特性的长长度的MgB 2超导线材的方法和由此制造的MgB 2超导线材。 提供一种制造二硼化镁超导线材的方法，包括以下连续步骤：用原料粉末填充金属管; 对该原料粉末中加入脂肪酸金属盐或脂肪酸金属盐与脂肪酸的混合物的管进行拉丝加工。

公开(公告)号：US08644897B2

公开(公告)日：2014-02-04

申请号：US13282496

申请日：2011-10-27

申请人： Yota Ichiki ,  Tsuyoshi Wakuda ,  Kazuhide Tanaka

发明人： Yota Ichiki ,  Tsuyoshi Wakuda ,  Kazuhide Tanaka

IPC分类号： H01L39/24

CPC分类号： H02G15/34 ,  Y02E40/648

摘要： Provided is a superconducting apparatus, including a joint of superconducting wires having high electric conduction characteristics and a superconducting magnet or the like. The superconducting joint comprises a plurality of superconducting wires and a sinter which integrates the plurality of superconducting wires. Herein, at least any one of the superconducting wires is a MgB2 superconducting wire, the sinter contains MgB2, and the sinter is compressed form the direction different from the direction toward which the superconducting wires protrude. Further, in order to form such a joint, a compression vessel provided with an opening used for introducing raw material powders to construct the sinter and another opening used for inserting the superconducting wires is utilized, and the openings are directed to different directions each other. Accordingly, MgB2 is filled in the sinter at high density, allowing the joint structure to have a good bonding property among particles.

摘要翻译： 提供一种超导装置，包括具有高导电特性的超导线的接头和超导磁体等。 超导接头包括多根超导线和集成了多条超导线的烧结体。 这里，超导线中的至少任一种是MgB 2超导线，烧结体含有MgB 2，并且烧结体从与超导线突出的方向不同的方向被压缩。 此外，为了形成这种接头，利用设置有用于引入原料粉末以构造烧结体的开口的压缩容器，以及用于插入超导线材的另一个开口，并且将开口指向彼此不同的方向。 因此，MgB 2以高密度填充在烧结体中，使得接头结构在颗粒之间具有良好的接合性能。

公开(公告)号：US08400747B2

公开(公告)日：2013-03-19

申请号：US13181578

申请日：2011-07-13

申请人： Yota Ichiki ,  Tsuyoshi Wakuda ,  Minseok Park

发明人： Yota Ichiki ,  Tsuyoshi Wakuda ,  Minseok Park

IPC分类号： H02H7/00

CPC分类号： H01F6/02

摘要： In a superconducting coil, a parallel conductor includes a plurality of superconducting wires bundled and wound in a coil. The superconducting wires have at least two connections therebetween. A current source connected to the superconducting wires to form a loop via the superconducting wires and the connection to supply a current in the loop when a quench is detected. A superconducting magnet includes the superconducting coil, a persistent current switch connected to the superconducting coil, and a quench detector configured to detect quench occurring in the superconducting coil.

摘要翻译： 在超导线圈中，并联导体包括多个缠绕在线圈中的超导线。 超导线在其间具有至少两个连接。 连接到超导线的电流源通过超导线和连接来形成环路，以在检测到淬火时提供回路中的电流。 超导磁体包括超导线圈，连接到超导线圈的持续电流开关和配置成检测在超导线圈中发生的淬火的淬火检测器。

公开(公告)号：US20120094840A1

公开(公告)日：2012-04-19

申请号：US13375811

申请日：2010-02-26

申请人： Hiroyuki Tanaka ,  Michiya Okada ,  Masaya Takahashi ,  Yota Ichiki

发明人： Hiroyuki Tanaka ,  Michiya Okada ,  Masaya Takahashi ,  Yota Ichiki

IPC分类号： H01F6/06 ,  H01F6/04

CPC分类号： H01F6/04 ,  H01F6/006

摘要： Magnetic field attenuation in a persistent current mode operation is prevented, heat generation at a connecting part between the persistent current switch and the superconducting coil, and increase in a cooling temperature of the superconducting coil in a current supplying mode is suppressed to a minimum.The refrigerator cooling-type superconducting magnet J according to the present invention including a superconducting coil (2), a persistent current switch (1) for switch between a persistent current mode and a current supplying mode; a superconducting coil (2), first and second cryogenic refrigerators (3, 4) for respectively cooing the superconducting coil (2) and the persistent current switch (1); a vacuum vessel (10) for housing the super conducting coil (2), the persistent current switch (1), and cooling stages (31, 32, 41, 42) of the first and second cryogenic refrigerators (3, 4), the magnet includes a superconducting wire (5) for connecting the superconducting coil (2) to the persistent current switch (1) and a superconducting bypass line (6) electrically connected in parallel to the superconducting wire along a longitudinal direction, wherein a superconducting critical temperature of the superconducting bypass line (6) is higher than a superconducting critical temperature of the persistent current switch (5).

摘要翻译： 防止持续电流模式操作中的磁场衰减，在持续电流开关和超导线圈之间的连接部分处的发热以及以供电模式的超导线圈的冷却温度的增加被抑制到最小。 根据本发明的冰箱冷却型超导磁体J包括超导线圈（2），用于在持续电流模式和电流供给模式之间切换的持续电流开关（1） 超导线圈（2），用于分别冷却超导线圈（2）和永久电流开关（1）的第一和第二低温冰箱（3,4）; 用于容纳第一和第二低温冰箱（3,4）的超导线圈（2），持续电流开关（1）和冷却级（31,32,31,42）的真空容器（10）， 磁体包括用于将超导线圈（2）连接到持续电流开关（1）的超导线（5）和沿着纵向方向与超导电线并联电连接的超导旁路管线（6），其中超导临界温度 超导旁路管线（6）的温度高于持续电流开关（5）的超导临界温度。