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    • 2. 发明申请
    • FRICTION STIRRING-WELDING METHOD
    • 摩擦搅拌焊接方法
    • US20090218033A1
    • 2009-09-03
    • US12463906
    • 2009-05-11
    • Kinya AotaMasahisa InagakiSatoshi HiranoKazutaka Okamoto
    • Kinya AotaMasahisa InagakiSatoshi HiranoKazutaka Okamoto
    • B29C65/06B23K20/12
    • B23K20/1255B23K20/1265
    • A friction stirring-welding method capable of increasing the welding strength of a lap joint. A welding tool (1) comprises a small diameter projected part (2) at the tip of a shoulder (3). The welding tool is press-fitted to the upper plate (4) of the lap joint while being rotated. By a friction stirring action, an upper plate side welding boundary surface (6) plastically flows, a surface oxidation film on a lapped surface is peeled off, and the boundary surface is activated to provide an excellent welding part. Also, since the welding tool is formed in a shape having the small diameter semispherical projected part (2) at the tip thereof, the thickness (12) of an upper plate welding part is increased, and a lap joint part with high welding strength can be provided.
    • 一种能够提高搭接接头的焊接强度的摩擦搅拌焊接方法。 焊接工具(1)包括在肩部(3)的尖端处的小直径突出部分(2)。 焊接工具在旋转时压配合到搭接部的上板(4)。 通过摩擦搅拌作用,上板侧焊接边界面(6)塑性流动,剥离表面的表面氧化膜被剥离,并且边界面被激活以提供优异的焊接部分。 另外,由于焊接工具形成为在其前端具有小直径半球形突出部分(2)的形状,因此上板焊接部分的厚度(12)增加,并且具有高焊接强度的搭接部分 提供。
    • 6. 发明授权
    • Fuel assembly and nuclear reactor
    • 燃料装配和核反应堆
    • US5617456A
    • 1997-04-01
    • US463828
    • 1995-06-05
    • Hideki KurosakiJunjiro NakajimaHajime UmeharaShozo NakamuraSatoshi KannoKoji NishidaYasunori BesshoMasahisa InagakiOsamu YokomizoYuichiro Yoshimoto
    • Hideki KurosakiJunjiro NakajimaHajime UmeharaShozo NakamuraSatoshi KannoKoji NishidaYasunori BesshoMasahisa InagakiOsamu YokomizoYuichiro Yoshimoto
    • G21C3/328G21C21/00
    • G21C3/328Y02E30/38
    • The lower end of each of a plurality of fuel rods is supported by a fuel supporting portion of a lower tie plate. The fuel supporting portion includes a plurality of second coolant paths for supplying a coolant from below the fuel supporting portion to a first coolant path defined above the fuel supporting portion and between the fuel rods. The total cross-sectional area of all the second coolant paths is smaller than the cross-sectional area of the first coolant path. A water rod disposed between the fuel rods each includes an ascending tube path having therein a coolant ascending path having a coolant inlet port opening to a region below the fuel supporting portion, for guiding upward the coolant supplied through the coolant inlet port, and a descending tube having therein a coolant descending path having a coolant delivery port opening to said first coolant path, for guiding downward the coolant guided by said coolant ascending path and discharging the coolant through the coolant delivery port to the first coolant path. The descending tube path is so disposed outside the ascending tube path as to define a gap, through which the coolant inside the first coolant path flows, between it and the ascending tube path.
    • 多个燃料棒的每一个的下端由下连接板的燃料支撑部支撑。 燃料支撑部分包括多个第二冷却剂路径,用于将冷却剂从燃料支撑部分下方供应到限定在燃料支撑部分上方和燃料棒之间的第一冷却剂路径。 所有第二冷却剂通道的总截面积小于第一冷却剂通道的横截面面积。 设置在燃料棒之间的水杆各自包括上升管路,其中具有冷却剂上升路径,其具有通向燃料支撑部分下方的区域的冷却剂入口,用于向上引导通过冷却剂入口提供的冷却剂, 其中具有冷却剂下降路径,其具有通向所述第一冷却剂路径的冷却剂输送口,用于向下引导由所述冷却剂上升路径引导的冷却剂并将冷却剂通过冷却剂输送端口排出到第一冷却剂路径。 下降的管道设置在上升管道的外侧,以便限定第一冷却剂路径内的冷却剂在其与上升的管道之间流动的间隙。
    • 7. 发明授权
    • Printing head in wire-dot printer
    • 打印头在点阵打印机
    • US5349903A
    • 1994-09-27
    • US985480
    • 1992-12-04
    • Hitoshi MoriyamaKiyoshi ItohMinoru HaraMasahisa Inagaki
    • Hitoshi MoriyamaKiyoshi ItohMinoru HaraMasahisa Inagaki
    • B41J2/245
    • B41J2/245
    • A printing head provided in a wire-dot printer includes a plurality of first wire pins arranged in accordance with a predetermined rule, ends of the first wire pins facing a printing plane, a first driving mechanism for reciprocating the first wire pins in directions approximately perpendicular to the printing plane, a plurality of second wire pins longer than the first wire pins, ends of the second wire pins facing the printing plane, and a second driving mechanism for reciprocating the second wire pins in the same directions as the first wire pins, wherein the first and second driving mechanisms are arranged along a direction approximately perpendicular to the printing plane under a condition in which the first driving mechanism is positioned nearer the printing plane than the second driving mechanism.
    • 设置在点阵式打印机中的打印头包括根据预定规则布置的多个第一线引脚,第一线引脚的端面朝向打印平面;第一驱动机构,用于使第一线引脚沿大致垂直的方向 与打印平面相比,多个第二线引脚长于第一线引脚,第二线引脚的端面朝向打印平面,以及第二驱动机构,用于使第二线引脚沿与第一线引脚相同的方向往复运动, 其特征在于,所述第一驱动机构和所述第二驱动机构在所述第一驱动机构位于比所述第二驱动机构更靠近所述印刷面的状态下,沿着大致垂直于所述印刷平面的方向配置。