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    LOW LOSS JOINT FOR SUPERCONDUCTING WIRE
    1.
    发明公开
    LOW LOSS JOINT FOR SUPERCONDUCTING WIRE 有权
    损失接触不良超导线材

    公开(公告)号：EP2392036A1

    公开(公告)日：2011-12-07

    申请号：EP10736329.3

    申请日：2010-01-27

    申请人： Hyper Tech Research, Inc.

    发明人： DOLL, David ,  TOMSIC, Michael

    IPC分类号： H01L39/24

    CPC分类号： H01L39/02 ,  H01L39/2487 ,  H01R4/68 ,  Y10S505/925 ,  Y10S505/926 ,  Y10T29/49014

    摘要： A device and method for making a persistent joint allowing end terminations of superconducting MgB
    2 wire to be joined with a superconducting bridge. Superconducting electromagnetic coils may be joined in series or joining of coil assemblies to current sources and the two ends of a persistent switch. The device includes wire filaments with end preparation exposing reacted MgB
    2 , inserted into a block and surrounded with Mg+B and/or MgB
    2 in powder, solid, slurry or sol-gel form and subsequently reacted to establish a bridge of superconducting MgB
    2 electrically connecting the superconducting MgB
    2 wires. Autonomous operation of the superconducting background magnet coils in magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) devices are allowed, or similar devices where autonomous operation of an MgB
    2 based superconducting magnet is required. The low resistant joint will also be beneficial for other superconducting applications such as fault current limiters, motors, generators, etc.

    SUPERCONDUCTING WIRES AND METHODS OF MAKING THEREOF
    3.
    发明公开
    SUPERCONDUCTING WIRES AND METHODS OF MAKING THEREOF 审中-公开
    VERFAHREN ZUR HERSTELLUNG DAVON的SUPRALEITENDEDRÄHTE

    公开(公告)号：EP3107879A2

    公开(公告)日：2016-12-28

    申请号：EP15792961.3

    申请日：2015-02-18

    申请人： The Ohio State University ,  Hyper Tech Research, Inc.

    发明人： XU, Xingchen ,  SUMPTION, Michael D. ,  PENG, Xuan

    IPC分类号： C04B35/45

    CPC分类号： H01B12/10 ,  B22F5/12 ,  B22F7/04 ,  C22C1/0491 ,  C22C32/0031 ,  C22F1/18 ,  H01B13/0016 ,  H01F6/06 ,  H01L39/14 ,  H01L39/2409

    摘要： Disclosed herein are superconducting wires. The superconducting wires can comprise a metallic matrix and at least one continuous subelement embedded in the matrix. Each subelement can comprise a non-superconducting core, a superconducting layer coaxially disposed around the non-superconducting core, and a barrier layer coaxially disposed around the super-conducting layer. The superconducting layer can comprise a plurality of Nb3Sn grains stabilized by metal oxide particulates disposed therein. The Nb3Sn grains can have an average grain size of from 5 nm to 90 nm (for example, from 15 nm to 30 nm). The superconducting wire can have a high-field critical current density (Jc) of at least 5,000 A/mm2 at a temperature of 4.2 K in a magnetic field of 12 T. Also described are superconducting 4 wire precursors that can be heat treated to prepare super-conducting wires, as well as methods of making super-conducting wires.

    摘要翻译： 这里公开了超导线。 超导线可以包括金属基体和嵌入基质中的至少一个连续子元件。 每个子元件可以包括非超导芯，同轴地设置在非超导芯周围的超导层，以及围绕超导层同轴设置的阻挡层。 超导层可以包括由设置在其中的金属氧化物颗粒稳定的多个Nb 3 Sn颗粒。 Nb 3 Sn粒子的平均粒径可以为5nm〜90nm（例如15nm〜30nm）。 在12T的磁场中，超导线可以在4.2K的温度下具有至少5,000A / mm 2的高场临界电流密度（Jc）。还描述了可以热处理以制备的超导4线前体 超导线，以及制造超导线的方法。

    SUPERCONDUCTING GENERATORS AND MOTORS
    4.
    发明公开
    SUPERCONDUCTING GENERATORS AND MOTORS 审中-公开
    超导电动机和发电机

    公开(公告)号：EP3078104A1

    公开(公告)日：2016-10-12

    申请号：EP14867656.2

    申请日：2014-12-02

    申请人： Hyper Tech Research, Inc.

    发明人： TOMSIC, Michael ,  LONG, Larry

    IPC分类号： H02K55/00 ,  H02K55/04 ,  H01F6/06

    CPC分类号： H01F6/06 ,  H02K7/1838 ,  H02K55/04 ,  H02K2201/15 ,  Y02E10/725 ,  Y02E40/625

    摘要： A superconducting electrical generator or motor having a plurality of cryostats is described. The cryostats contain coolant and a first cryostat encloses at least one of a plurality of superconducting coils. A first coil is in superconducting electrical communication with a second coil contained in a second cryostat through a superconducting conduction cooling cable enclosing a conductor. The first cryostat and the second cryostat may be in fluid communication through at least one cryogen channel within the at least one superconducting conduction cooling cable. In other embodiments, none of the plurality of cryostats may be in fluid communication and the cable may be cooled by conduction along the conductor from the first or second cryostat, or from both. The conductor may have different segments at temperatures equal to or above the temperature of the coolant and the superconducting conduction cooling cables may be connected through quick connect fittings.