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    Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors
    5.
    发明授权
    Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors 失效
    用于通过钻孔将多个焊接材料放置在彼此顶部的工件进行点焊以释放蒸气的方法和装置

    公开(公告)号：US06255618B1

    公开(公告)日：2001-07-03

    申请号：US09355800

    申请日：1999-08-03

    申请人： Toshiya Shintani ,  Yohsuke Imai ,  Yoshitaka Niigaki ,  Iwao Kurokawa ,  Kengo Kamiya ,  Hideto Uematsu

    发明人： Toshiya Shintani ,  Yohsuke Imai ,  Yoshitaka Niigaki ,  Iwao Kurokawa ,  Kengo Kamiya ,  Hideto Uematsu

    IPC分类号： B23K1000

    CPC分类号： B23K10/02 ,  B23K10/006 ,  B23K2101/18

    摘要： A plasma arc welding for effectively letting gases of low boiling point substances for coating a steel sheet escape, ensuring the escape of a molten metal into gaps between the steel sheets and eventually accomplishing satisfactory plasma arc welding. A hole (31) is first bored in an upper sheet (21)(or both upper and lower sheets (21 and 22)) quickly by using a plasma arc (20) having greater power than an appropriate welding value, and a vapor of coating substances is allowed to escape through the hole (31). Subsequently, power of the plasma arc (20) is lowered to the appropriate welding value, and the upper sheet (21) and the lower sheet (22) are welded together while a filler (9) is being supplied to fill the hole (31) and the gap (23). While boring is made or immediately after boring is finished, the size of the gap (23) is measured on the basis of the plasma arc voltage, and the feed quantity of the filler (9) is controlled in accordance with the size of the gap (23).

    摘要翻译： 用于有效地使用于涂覆钢板的低沸点物质的气体的等离子弧焊接逃逸，确保熔融金属逸出到钢板之间的间隙中并最终实现令人满意的等离子体电弧焊接。 首先通过使用具有比适当的焊接值更大的功率的等离子体电弧（20），在上部片材（21）（或上部和下部片材（21和22）两者中）首先钻孔（31） 允许涂层物质通过孔（31）逸出。 随后，将等离子体电弧（20）的功率降低到合适的焊接值，并且在供给填充物（9）以填充孔（31）的同时将上部片（21）和下部片（22）焊接在一起 ）和间隙（23）。 在镗孔完成之后或立即在镗孔完成之后，基于等离子体电弧电压来测量间隙（23）的尺寸，并且根据间隙的尺寸来控制填料（9）的进料量 （23）。

    Plasma arc torch
    6.
    发明授权
    Plasma arc torch 失效
    等离子弧焊炬

    公开(公告)号：US5628924A

    公开(公告)日：1997-05-13

    申请号：US507461

    申请日：1995-08-24

    申请人： Toshio Yoshimitsu ,  Hitoshi Sato ,  Noriyuki Sekizawa ,  Yoshihiro Yamaguchi ,  Yoshitaka Niigaki ,  Yuuichi Takabayashi

    发明人： Toshio Yoshimitsu ,  Hitoshi Sato ,  Noriyuki Sekizawa ,  Yoshihiro Yamaguchi ,  Yoshitaka Niigaki ,  Yuuichi Takabayashi

    IPC分类号： B23K10/00 ,  H05H1/32 ,  H05H1/34

    CPC分类号： H05H1/34 ,  H05H2001/3426 ,  H05H2001/3436 ,  H05H2001/3442 ,  H05H2001/3457 ,  H05H2001/3478

    摘要： A plasma arc torch is provided which has a very long electrode lifetime, even if the number of times that an arc is generated and stopped is great. Improper electric discharge can be effectively prevented, and the lifetime can be increased due to the excellent resistance to heat. For this purpose, a metallic layer is provided in the portion where a pilot arc is generated, and the metallic layer contains at least one metal selected from the group consisting of gold and silver. The metallic layer is provided on the surface of the electrode holder, or on both of a surface of the electrode holder and a surface of the nozzle. Further, at least one of the electrode holder and the nozzle can be formed of aluminum or an aluminum alloy, and after the formation, an anodic oxide film can be formed on the surface thereof.

    摘要翻译： PCT No.PCT / JP94 / 00270 Sec。 371日期1995年8月24日 102（e）日期1995年8月24日PCT 1994年2月23日PCT PCT。 公开号WO94 / 19137 日期1994年9月1日提供了等离子弧焊炬，其具有非常长的电极寿命，即使产生和停止电弧的次数也很大。 可以有效地防止不当的放电，并且由于优异的耐热性而可以提高寿命。 为此，在产生导电弧的部分中设置有金属层，金属层含有选自金和银中的至少一种金属。 金属层设置在电极保持器的表面上，或者设置在电极保持器的表面和喷嘴的表面上。 此外，电极保持器和喷嘴中的至少一个可以由铝或铝合金形成，并且在形成之后，可以在其表面上形成阳极氧化膜。

    Capacitor module
    7.
    发明授权
    Capacitor module 失效
    电容器模块

    公开(公告)号：US08149567B2

    公开(公告)日：2012-04-03

    申请号：US12226617

    申请日：2007-04-27

    申请人： Yoshitaka Niigaki ,  Hikosaburou Hiraki ,  Satoru Nishimuru

    发明人： Yoshitaka Niigaki ,  Hikosaburou Hiraki ,  Satoru Nishimuru

    IPC分类号： H01G4/00

    CPC分类号： H01G9/14 ,  B60K6/28 ,  H01G2/04 ,  H01G2/08 ,  H01G11/10 ,  H01G11/82 ,  Y02E60/13

    摘要： The capacitor module includes a capacitor, in which a screw hole is arranged on an outer bottom wall surface of a capacitor case housing a capacitor element, and a heat dissipater, on which a plurality of capacitor cases are fixated by screwing fixation screws in the screw holes of the capacitors. As a result, for example, the capacitor can be fixated with reliability and durability secured even under a condition where very strong vibration is continuously applied, for example, when the capacitor module is mounted on construction machinery. Further, because, an adherence of the outer bottom wall surface of the capacitor case on a fixation surface of the heat dissipater is strengthened by screwing the fixation screw in the screw hole, the capacitor can be cooled down by transferring heat produced by the capacitor to the heat dissipater as needed.

    摘要翻译： 电容器模块包括电容器，其中螺母孔布置在容纳电容器元件的电容器壳体的外底壁表面上，以及散热器，多个电容器壳体通过螺钉固定螺钉固定在该电容器壳体上 电容器的孔。 结果，例如，即使在连续施加非常强烈的振动的情况下，例如当电容器模块安装在工程机械上时，也可以确保电容器的可靠性和耐久性。 此外，由于通过旋拧螺钉孔中的固定螺钉来增强电容器壳体的外底壁表面在散热器的固定表面上的粘附，所以可以通过将由电容器产生的热量转移到电容器来冷却电容器 散热器根据需要。

    Capacitor Module
    8.
    发明申请
    Capacitor Module 失效
    电容器模块

    公开(公告)号：US20100060243A1

    公开(公告)日：2010-03-11

    申请号：US12226617

    申请日：2007-04-27

    申请人： Yoshitaka Niigaki ,  Hikosaburou Hiraki ,  Satoru Nishimuru

    发明人： Yoshitaka Niigaki ,  Hikosaburou Hiraki ,  Satoru Nishimuru

    IPC分类号： H01G4/258 ,  H02J7/00

    CPC分类号： H01G9/14 ,  B60K6/28 ,  H01G2/04 ,  H01G2/08 ,  H01G11/10 ,  H01G11/82 ,  Y02E60/13

    摘要： The capacitor module includes a capacitor, in which a screw hole is arranged on an outer bottom wall surface of a capacitor case housing a capacitor element, and a heat dissipater, on which a plurality of capacitor cases are fixated by screwing fixation screws in the screw holes of the capacitors. As a result, for example, the capacitor can be fixated with reliability and durability secured even under a condition where very strong vibration is continuously applied, for example, when the capacitor module is mounted on construction machinery. Further, because, an adherence of the outer bottom wall surface of the capacitor case on a fixation surface of the heat dissipater is strengthened by screwing the fixation screw in the screw hole, the capacitor can be cooled down by transferring heat produced by the capacitor to the heat dissipater as needed.

    摘要翻译： 电容器模块包括电容器，其中螺母孔布置在容纳电容器元件的电容器壳体的外底壁表面上，以及散热器，多个电容器壳体通过螺钉固定螺钉固定在该电容器壳体上 电容器的孔。 结果，例如，即使在连续施加非常强烈的振动的情况下，例如当电容器模块安装在工程机械上时，也可以确保电容器的可靠性和耐久性。 此外，由于通过旋拧螺钉孔中的固定螺钉来增强电容器壳体的外底壁表面在散热器的固定表面上的粘附，所以可以通过将由电容器产生的热量转移到电容器来冷却电容器 散热器根据需要。