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    Zirconia-stabilized multi-filamentary niobium-tin superconducting wire
    3.
    发明申请
    Zirconia-stabilized multi-filamentary niobium-tin superconducting wire 失效
    氧化锆稳定的多丝铌锡超导线

    公开(公告)号：US20060207787A1

    公开(公告)日：2006-09-21

    申请号：US11406636

    申请日：2006-04-19

    申请人： Mark Benz ,  Theodore Evenden ,  Judson Marte ,  Thomas Raber

    发明人： Mark Benz ,  Theodore Evenden ,  Judson Marte ,  Thomas Raber

    IPC分类号： H01B12/00

    CPC分类号： H01L39/2409 ,  Y10S420/901 ,  Y10S505/806 ,  Y10T29/49014

    摘要： A multi-filament superconducting wire in which the filaments comprise zirconia-stabilized ultra-fine grain Nb3Sn. The superconducting wire is formed by wire-drawing a preform comprising a metallic matrix and at least one niobium alloy rod having zirconium and oxygen in solid solution and heat treating the drawn wire in the presence of tin to yield at least one continuous filament comprising ultra-fine grain Nb3Sn having semi-coherent ZrO2 precipitates disposed therein. The ZrO2 precipitates serve to stabilize the ultra-fine grain microstructure of the Nb3Sn at temperatures up to 1100° C. and allows Nb3Sn to maintain the ultra-fine grain microstructure when heat treated at temperatures that are greater than those previously used. By using higher temperatures to form Nb3Sn, the time required for heat treatment can be significantly reduced.

    摘要翻译： 一种多丝超导线，其中长丝包含氧化锆稳定的超细晶粒Nb 3 Sn。 超导线材通过拉丝预成型体而形成，该预成型体包括金属基体和至少一个在固溶体中具有锆和氧的铌合金棒，并在锡的存在下热处理拉丝，得到至少一根连续的长丝， 具有设置在其中的半结晶的ZrO 2·析出物的细晶Nb 3 Sn。 ZrO 2 2析出物用于在高达1100℃的温度下稳定Nb 3 Sn的超细晶粒微观结构，并允许Nb 3 N / > Sn以在以前使用的温度下进行热处理时保持超细晶粒微观结构。 通过使用较高的温度来形成Nb 3 Sn，可以显着地降低热处理所需的时间。

    Vehicle with central wheel drive, in particular a wheelchair or stand-up wheelchair
    8.
    发明授权
    Vehicle with central wheel drive, in particular a wheelchair or stand-up wheelchair 有权
    具有中央轮驱动的车辆，特别是轮椅或立式轮椅

    公开(公告)号：US08118321B2

    公开(公告)日：2012-02-21

    申请号：US12674845

    申请日：2008-03-20

    申请人： Kurt Hunziker ,  Thomas Raber

    发明人： Kurt Hunziker ,  Thomas Raber

    IPC分类号： B62M1/14

    CPC分类号： A61G5/06 ,  A61G5/042 ,  A61G5/043 ,  A61G5/14 ,  Y10S180/907

    摘要： The vehicle, for example a stand-up wheelchair, comprises a frame (11) and, arranged on the latter, a seat device (19). On each side of the frame (11), the central wheel (13), which can be driven by a motor (27), and the front wheel (15) are operatively connected to each other by an endless chain (45). The frame (11) has a front part (21) and a rear part (23), which are connected to each other in an articulated manner by way of a joint (25). In the sitting position, the front wheels (15) are not in contact with the ground, which means that they do not obstruct the manoeuvring of the vehicle in a confined space. In the standing position, the front wheels (15) are in contact with the ground, but the central wheels (13) are not. The user, in the standing position, is thus able to turn about the axis of the vehicle, without the central wheels (13) having a blocking action.

    摘要翻译： 车辆，例如立式轮椅，包括框架（11），并在其上布置有座椅装置（19）。 在框架（11）的每一侧上，可由马达（27）驱动的中心轮（13）和前轮（15）通过环形链条（45）彼此操作地连接。 框架（11）具有通过接头（25）以铰接方式彼此连接的前部（21）和后部（23）。 在就座位置，前轮（15）不与地面接触，这意味着它们不会妨碍在狭窄空间中车辆的操纵。 在立式位置，前轮（15）与地面接触，但是中心轮（13）不是。 因此，处于站立位置的使用者能够围绕车辆的轴线转动，而中央轮（13）具有阻挡作用。

    VEHICLE WITH CENTRAL WHEEL DRIVE, IN PARTICULAR A WHEELCHAIR OR STAND-UP WHEELCHAIR
    9.
    发明申请
    VEHICLE WITH CENTRAL WHEEL DRIVE, IN PARTICULAR A WHEELCHAIR OR STAND-UP WHEELCHAIR 有权
    具有中央轮驱动的车辆，特别是轮椅或固定车轮

    公开(公告)号：US20110215540A1

    公开(公告)日：2011-09-08

    申请号：US12674845

    申请日：2008-03-20

    申请人： Kurt Hunziker ,  Thomas Raber

    发明人： Kurt Hunziker ,  Thomas Raber

    IPC分类号： A61G5/06 ,  A61G5/04 ,  A61G5/14

    CPC分类号： A61G5/06 ,  A61G5/042 ,  A61G5/043 ,  A61G5/14 ,  Y10S180/907

    摘要： The vehicle, for example a stand-up wheelchair, comprises a frame (11) and, arranged on the latter, a seat device (19). On each side of the frame (11), the central wheel (13), which can be driven by a motor (27), and the front wheel (15) are operatively connected to each other by an endless chain (45). The frame (11) has a front part (21) and a rear part (23), which are connected to each other in an articulated manner by way of a joint (25). In the sitting position, the front wheels (15) are not in contact with the ground, which means that they do not obstruct the manoeuvring of the vehicle in a confined space. In the standing position, the front wheels (15) are in contact with the ground, but the central wheels (13) are not. The user, in the standing position, is thus able to turn about the axis of the vehicle, without the central wheels (13) having a blocking action.

    摘要翻译： 车辆，例如立式轮椅，包括框架（11），并在其上布置有座椅装置（19）。 在框架（11）的每一侧上，可由马达（27）驱动的中心轮（13）和前轮（15）通过环形链条（45）彼此操作地连接。 框架（11）具有通过接头（25）以铰接方式彼此连接的前部（21）和后部（23）。 在就座位置，前轮（15）不与地面接触，这意味着它们不会阻碍车辆在有限空间内的操纵。 在立式位置，前轮（15）与地面接触，但是中心轮（13）不是。 因此，处于站立位置的使用者能够围绕车辆的轴线转动，而中央轮（13）具有阻挡作用。