公开(公告)号：US4870379A

公开(公告)日：1989-09-26

申请号：US268203

申请日：1988-11-07

申请人： Katsuzo Aihara ,  Nobuhiro Hara ,  Naofumi Tada ,  Masahiro Ogihara ,  Katsuo Kouriki ,  Yasuo Suzuki

发明人： Katsuzo Aihara ,  Nobuhiro Hara ,  Naofumi Tada ,  Masahiro Ogihara ,  Katsuo Kouriki ,  Yasuo Suzuki

IPC分类号： H01L39/16 ,  H01F6/00 ,  H01L39/10

CPC分类号： H01L39/10

摘要： In a superconducting switching device including a switching member comprising a superconducting wire, and a magnetic field generation section for controlling superconducting-normal conducting transition caused in the switching member, the switching member comprises an oxide superconductor having a high critical temperature and having a large electric resistivity value under the normal conductive state.

公开(公告)号：US4560404A

公开(公告)日：1985-12-24

申请号：US687914

申请日：1984-12-31

申请人： Katsuzo Aihara ,  Naofumi Tada ,  Yasuo Suzuki ,  Joo Ishihara ,  Toshio Ogawa

发明人： Katsuzo Aihara ,  Naofumi Tada ,  Yasuo Suzuki ,  Joo Ishihara ,  Toshio Ogawa

IPC分类号： B22F1/00 ,  B22F9/10 ,  C22C1/00 ,  C22C1/02 ,  C22C1/04 ,  H01B12/10 ,  H01B13/00 ,  H01L39/06 ,  H01L39/24

CPC分类号： H01L39/2409 ,  B22F9/10 ,  Y10S505/813 ,  Y10S505/823 ,  Y10T29/49014

摘要： A method of producing a composite material of and Nb or V used for a superconductive wire comprises vacuum - melting two kinds of raw materials, 70 wt % Cu and 30 wt % Nb or V to form a melt; scattering the melt by a rotating disc to form a plurality of fine droplets each of which includes Cu and Nb or V at substantially the same compounding rate as the raw materials; and cooling rapidly the fine droplets by spraying an inert gas onto the scattering droplets thereby providing particulate bodies each of which dendrites of Nb or V are precipitated in Cu. The fine particles are compression - molded to form a molded product. The molded product is sintered to form an ingot in which the dendrites of Nb or V are dispersed homogeneously in the Cu base. The ingot is used for producing a superconductive wire, namely, it is subjected to cold rolling to reduce its sectional area, coating with Su or Ga, and diffusion heat-treating the wire to form Nb.sub.3 Sn or V.sub.3 Ga in the Cu base, whereby a superconductive wire is provided in which Nb.sub.3 Sn or V.sub.3 Ga are homogeneously dispersed in the Cu base.

摘要翻译： 制造用于超导线的Nb或V复合材料的方法包括将两种原料，70wt％Cu和30wt％的Nb或V真空熔化以形成熔体; 通过旋转盘散射熔体以形成多个细小液滴，每个微滴包含与原料基本相同的配合速率的Cu和Nb或V; 并通过向散射液滴喷射惰性气体来迅速冷却细小的液滴，由此提供每个Nb或V的枝晶在Cu中析出的颗粒体。 将细颗粒压缩成型以形成模塑产品。 将成型体烧结而形成Nb或V的枝晶均匀地分散在Cu基体中的锭。 该锭用于制造超导线，即，进行冷轧以减小其截面积，用Su或Ga涂覆，并且对该线进行扩散热处理以在Cu基底中形成Nb 3 Sn或V 3 Ga，由此超导 提供其中Nb 3 Sn或V3 Ga均匀分散在Cu基底中的线。

公开(公告)号：US4218668A

公开(公告)日：1980-08-19

申请号：US882042

申请日：1978-02-28

申请人： Naofumi Tada ,  Katsuzo Aihara

发明人： Naofumi Tada ,  Katsuzo Aihara

IPC分类号： H01F6/02 ,  H01F7/22

CPC分类号： H01F6/02 ,  H01F2027/2819 ,  Y10S505/879

摘要： A superconductive magnet device comprising a coil assembly having a plurality of coil sections stacked along a center axis of the coil assembly, each of the coil sections being formed by winding a composite superconductive wire, which exhibits different superconductivities in one direction to another direction perpendicular to the one direction in a cross section of the wire, in layers in a direction perpendicular to the center axis, wherein the critical current density in a direction parallel to the center axis in the innermost layer of at least a central one of the coil sections is larger than the critical current density in a circumferential direction of the coil assembly. The present superconductive magnet device can withstand quenching of the superconductive state at a higher magnetic field than conventional ones.

摘要翻译： 一种超导磁体装置，包括线圈组件，该线圈组件具有沿着线圈组件的中心轴线堆叠的多个线圈部分，每个线圈部分通过卷绕复合超导线形成，该复合超导线在一个方向上具有不同的超导性， 线的横截面中的一个方向，在垂直于中心轴的方向上的层中，其中在至少中心线圈部分的最内层中平行于中心轴的方向上的临界电流密度为 大于线圈组件的圆周方向上的临界电流密度。 本发明的超导磁体装置可以比常规的磁场在高磁场下能够超导超导状态。

公开(公告)号：US4652697A

公开(公告)日：1987-03-24

申请号：US641175

申请日：1984-08-15

申请人： Toshinari Ando ,  Yoshikazu Takahashi ,  Masataka Nishi ,  Susumu Shimamoto ,  Katsuzo Aihara ,  Naofumi Tada

发明人： Toshinari Ando ,  Yoshikazu Takahashi ,  Masataka Nishi ,  Susumu Shimamoto ,  Katsuzo Aihara ,  Naofumi Tada

IPC分类号： H01B13/00 ,  H01B12/10 ,  H01L39/14 ,  H01B12/00

CPC分类号： H01L39/14 ,  Y10S505/887 ,  Y10T29/49014

摘要： An aluminum-stabilized superconducting wire comprises an aluminum member, a copper member, and a first diffusion barrier layer formed between the aluminum member and the copper member. The copper member contains a plurality of bundles each having a multiplicity of fine filaments of Nb.sub.3 Sn embedded in a copper alloy and a second diffusion barrier layer surrounding the copper alloy. Preferably, the ratio m in the cross-sectional areas between the first diffusion barrier layer and the aluminum member is selected to meet the condition of 0.03.ltoreq.m

摘要翻译： 铝稳定超导线包括铝构件，铜构件和形成在铝构件和铜构件之间的第一扩散阻挡层。 铜构件包含多个包含多个嵌入铜合金中的Nb 3 Sn的细丝和围绕铜合金的第二扩散阻挡层的束。 优选地，选择第一扩散阻挡层和铝构件之间的横截面积中的比率m以满足0.03≤m≤3的条件。 铝构件设置在超导线的中心部分。

公开(公告)号：US5375531A

公开(公告)日：1994-12-27

申请号：US173486

申请日：1993-12-27

申请人： Masahiro Ogihara ,  Katsuzo Aihara

发明人： Masahiro Ogihara ,  Katsuzo Aihara

IPC分类号： B60L13/04 ,  B60L13/10 ,  B61B13/08 ,  B65G54/02 ,  H01B12/02 ,  H01F6/00 ,  H01L39/04 ,  H02K41/025 ,  H02N15/04 ,  B60L13/00

CPC分类号： H02K41/025 ,  B60L13/10 ,  H02N15/04 ,  B60L2200/26

摘要： A superconductor composite body have a plurality of superconductor elements. Each of superconductor elements has such a volume that the superconductor element is not magnetically saturated with a magnetic flux applied to the composite body. The superconductor elements are assembled in one plane into one body in a such manner that superconductor elements are electrically coupled with each other when the superconductor elements are united with the electrically conductive non-magnetic material. The superconductor elements can be simply secured or fixed to a substrate with an adhesive or other suitable manners. When the superconductor elements have a thickness 1 mm or more, a sufficient levitation force can be generated provided that a condition of the lateral area of the assembled elements which are determined by a magnetic field and a critical current density is satisfied.

摘要翻译： 超导体复合体具有多个超导体元件。 每个超导体元件具有使超导体元件不被施加到复合体的磁通量磁饱和的体积。 超导体元件在一个平面中以这样的方式组装成一个主体，使得当超导体元件与导电非磁性材料结合时，超导体元件彼此电耦合。 超导体元件可以用粘合剂或其它合适的方式简单地固定或固定到基底上。 当超导体元件具有1mm以上的厚度时，如果满足由磁场和临界电流密度确定的组装元件的横向面积的状态，则可以产生足够的悬浮力。

公开(公告)号：US5096882A

公开(公告)日：1992-03-17

申请号：US178905

申请日：1988-04-07

申请人： Takahiko Kato ,  Katsuzo Aihara ,  Jiro Kuniya ,  Yutaka Misawa ,  Yoshihide Wadayama ,  Masahiro Ogihara ,  Toshikazu Nishino ,  Ushio Kawabe ,  Haruhiro Hasegawa ,  Kazumasa Takagi ,  Tokuumi Fukazawa ,  Katsuki Miyauchi

发明人： Takahiko Kato ,  Katsuzo Aihara ,  Jiro Kuniya ,  Yutaka Misawa ,  Yoshihide Wadayama ,  Masahiro Ogihara ,  Toshikazu Nishino ,  Ushio Kawabe ,  Haruhiro Hasegawa ,  Kazumasa Takagi ,  Tokuumi Fukazawa ,  Katsuki Miyauchi

IPC分类号： C01G3/00 ,  C01B13/14 ,  C01G1/00 ,  C04B35/00 ,  C04B35/45 ,  C04B41/80 ,  H01B12/00 ,  H01B13/00 ,  H01F6/06 ,  H01F41/04 ,  H01L39/12 ,  H01L39/14 ,  H01L39/24

CPC分类号： H01L39/2464 ,  H01F41/048 ,  H01F6/06 ,  H01L39/143 ,  H01L39/249 ,  H01L39/2496 ,  Y10S505/725 ,  Y10S505/73

摘要： A process for controlling an oxygen content of a non-superconductive or superconductive oxide is provided, in which a beam of particles such as ions, electrons or neutrons or an electromagnetic radiation is applied to the non-superconductive or superconductive oxide of a perovskite type such as YBa.sub.2 Cu.sub.3 O.sub.7-x, thereby increasing or reducing the oxygen content of the oxide at the sites of oxygen in the crystal lattice of the oxide. Furthermore, a superconductive device such as a superconductive magnet, superconductive power transmission wire, superconductive transformer, superconductive shield, permanent current switch and electronic element is made by utilizing the process for controlling the oxygen concentration of the superconductive oxide.

公开(公告)号：US5287026A

公开(公告)日：1994-02-15

申请号：US783779

申请日：1991-10-29

申请人： Masahiro Ogihara ,  Katsuzo Aihara ,  Keiji Arai ,  Masaki Satoh

发明人： Masahiro Ogihara ,  Katsuzo Aihara ,  Keiji Arai ,  Masaki Satoh

IPC分类号： B61B13/08 ,  B60L13/03 ,  B60L13/04 ,  B60L13/10 ,  B65G54/02 ,  H01L39/00 ,  H02K41/00 ,  H01B12/00

CPC分类号： B60L13/10 ,  B65G54/02 ,  B60L2200/26 ,  Y10S505/70

摘要： A superconducting magnetic levitation apparatus for driving a floating body efficiently and controllably, for producing a strong driving force, and for generating a lifting magnetic field having a uniform intensity in a running direction and producing a guidance force in a lateral direction, to stably run the floating body. The superconducting magnetic levitation apparatus includes a lifting magnet for forming a track, a floating body made of a high-T.sub.c superconductor, and a cooling device for keeping the floating body at a superconducting state. A plurality of coils are disposed on the lifting magnet, to be used as propulsion electromagnets, for generating a magnetic field necessary for running the floating body, with each of the coils being a flat, air-core coil, and with the coils being excitable by a polyphase alternating current.

摘要翻译： 一种超导磁悬浮装置，用于有效且可控制地驱动浮体，用于产生强的驱动力，并且用于产生在行进方向上具有均匀强度的提升磁场并产生横向上的引导力，以稳定地运行 浮体。 超导磁悬浮装置包括用于形成轨道的提升磁体，由高Tc超导体制成的浮体以及用于将浮体保持在超导状态的冷却装置。 多个线圈设置在提升磁体上，用作推进电磁体，用于产生运行浮体所需的磁场，每个线圈是扁平的空心线圈，并且线圈是可激发的 通过多相交流电流。

公开(公告)号：US5757257A

公开(公告)日：1998-05-26

申请号：US309415

申请日：1994-09-20

申请人： Toshiya Doi ,  Takesi Ozawa ,  Katsuzo Aihara ,  Tomoichi Kamo ,  Kazuhisa Mori ,  Nobuhiro Hara

发明人： Toshiya Doi ,  Takesi Ozawa ,  Katsuzo Aihara ,  Tomoichi Kamo ,  Kazuhisa Mori ,  Nobuhiro Hara

IPC分类号： H01F6/00 ,  H01L39/20 ,  H01F1/00

CPC分类号： H01F6/008 ,  H01L39/20

摘要： Superconducting magnet system using a liquid helium for its operation and a permanent current switch and a system thereof applied to the superconducting magnet system employing a permanent current loop created by a superconducting material developing superconductivity when cooled. The system includes a superconducting magnet dipped in the liquid helium, the permanent current switch for driving or interrupting the superconducting magnet, and a cryostat for accommodating the superconducting magnet and the permanent current switch, and the permanent current switch is arranged over a liquid surface of the liquid helium.

摘要翻译： 使用液氦作为其操作的超导磁体系统和永久电流开关及其系统应用于超导磁体系统，该超导磁体采用由冷却时产生超导材料的超导材料产生的永久电流回路。 该系统包括浸在液氦中的超导磁体，用于驱动或中断超导磁体的永久电流开关，以及用于容纳超导磁体和永久电流开关的低温恒温器，并且永磁电流开关设置在 液氦。

公开(公告)号：US07190167B2

公开(公告)日：2007-03-13

申请号：US11402945

申请日：2006-04-13

申请人： Michiya Okada ,  Tsuyoshi Wakuda ,  Shigeru Kakugawa ,  Hiroshi Morita ,  Katsuzo Aihara

发明人： Michiya Okada ,  Tsuyoshi Wakuda ,  Shigeru Kakugawa ,  Hiroshi Morita ,  Katsuzo Aihara

IPC分类号： G01V3/00

CPC分类号： G01R33/34046 ,  G01R33/34053 ,  G01R33/34092 ,  G01R33/3806 ,  G01R33/3815 ,  G01R33/465

摘要： In a nuclear magnetic resonance spectrometer, the shape of a detection coil is changed from a conventional cage type to a solenoid type of higher sensitivity. Accordingly, differing from the conventional superconductive magnet of multilayer air core solenoids, a superconductive magnet is right and left divided to split magnets for generating 11 T, preferably, 14.1 T in the horizontal direction, and the magnetic field uniformity is set to 0.001 ppm or less and the temporal stability is set to 0.001 ppm or less.

摘要翻译： 在核磁共振光谱仪中，检测线圈的形状从传统的笼型改变为更高灵敏度的螺线管型。 因此，与传统的多层空心螺线管的超导磁体不同，超导磁体被左右划分成用于在水平方向上产生11T，优选为14.1T的分割磁体，并且磁场均匀性设定为0.001ppm或 时间稳定性设定为0.001ppm以下。

公开(公告)号：US5680085A

公开(公告)日：1997-10-21

申请号：US462762

申请日：1995-06-05

申请人： Katsuzo Aihara ,  Shinpei Matsuda ,  Tomoichi Kamo

发明人： Katsuzo Aihara ,  Shinpei Matsuda ,  Tomoichi Kamo

IPC分类号： G01R33/3815 ,  H01L39/20 ,  H01F1/00

CPC分类号： H01L39/20 ,  G01R33/3815 ,  Y10S505/882

摘要： A magnetic field generator has a superconductive coil immersed in a coolant material. When power is supplied to the superconductive coil from a suitable power source, the superconductive coil is energized to generate the magnetic field. The ends of the superconductive coil may then be shorted through a persistent current switch, to maintain the magnetic field without the need for further power. The persistent current switch has a superconductive connection connected across the ends of the superconductive coil and a heater. These components are enclosed in a casing with a gap between these components and the casing. Apertures in the casing permit coolant material to enter the gap. When the heater is energized, it heats the coolant material in the gap until it vaporizes. There is then a significant decrease in the thermal conductivity through the gap and hence the superconductive connection is heated rapidly to its critical temperature. Only low power is needed. When the heater stops being energized, liquid coolant material fills the gap thereby rapidly cooling the superconductive connector to below its critical temperature.

摘要翻译： 磁场发生器具有浸入冷却剂材料中的超导线圈。 当从合适的电源向超导线圈供电时，超导线圈被通电以产生磁场。 然后，超导线圈的端部可以通过持续电流开关短路，以保持磁场而不需要进一步的功率。 持续电流开关具有连接在超导线圈的端部和加热器两端的超导连接。 这些部件被封装在壳体中，这些部件和壳体之间具有间隙。 套管中的孔允许冷却剂材料进入间隙。 当加热器通电时，它加热间隙中的冷却剂材料，直到其蒸发。 然后，通过间隙导热性显着降低，因此超导连接被迅速加热至其临界温度。 只需要低功耗。 当加热器停止通电时，液体冷却剂材料填充间隙，从而将超导连接器快速冷却到其临界温度以下。