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    • 2. 发明授权
    • Secondary cell charger and charging method
    • 二次电池充电器和充电方法
    • US07109684B2
    • 2006-09-19
    • US10481691
    • 2003-05-16
    • Hiromi TakaokaShigetomo MatsuiYutaka IuchiTaneo NishinoOsamu Nakamura
    • Hiromi TakaokaShigetomo MatsuiYutaka IuchiTaneo NishinoOsamu Nakamura
    • H02J7/00
    • H02J7/041H02J7/0029H02J7/0073H02J7/0078H02J7/044H02J2007/0037
    • An equipment and method for charging a secondary battery are provided to quickly and surely charge a secondary battery (secondary batteries) while preventing the secondary battery (batteries) from overcharging or insufficient charging. Special charging voltage Es is applied to a secondary battery for a predetermined time, and then the applied voltage is switched to equilibrium voltage Eeq for establishing equilibrium cell potential of the secondary battery in its fully charged condition, wherein the special charging value Es is larger than the equilibrium value Eeq. Electric current i is detected while application of the equilibrium voltage Eeq. If the detected electric current i is larger than standard electric current J for finishing charging, the above detection and charging are repeated; otherwise, charge of the secondary battery 1 is halted.
    • 提供用于对二次电池充电的设备和方法,以便在防止二次电池(电池)过度充电或充电不足的同时快速且可靠地对二次电池(二次电池)充电。 将特殊的充电电压E 施加到二次电池预定时间,然后将施加的电压切换到平衡电压E eq,以建立二次电池的平衡电池电位 电池处于完全充电状态,其中特殊充电值E SUB大于平衡值E eq eq。 在施加平衡电压E eq的情况下检测电流i。 如果检测到的电流i大于用于完成充电的标准电流J,则重复上述检测和充电; 否则,二次电池1的充电被停止。
    • 8. 发明授权
    • Method for manufacturing welded pipes
    • 焊管制造方法
    • US4916853A
    • 1990-04-17
    • US68183
    • 1987-06-30
    • Shigetomo MatsuiHisao Hasegawa
    • Shigetomo MatsuiHisao Hasegawa
    • B21C37/08
    • B21C37/08
    • In the manufacture of welded pipes, edge buckling or waving of the strip is prevented by heating. In one method, during the process for bending the strip into a tubular form, the edges of the strip are heated so that tensile stress exerted thereon is reduced to a minimum and, thereafter, before the edges are abutted against each other, the strip is wholly heated so that the compressive stress exerted on the edges is reduced to a minimum. According to another mode, during the process for bending the strip gradually into a tubular form or during the process in which the edges of the strip are held in abutment against each other, the strip except its portions of the edges is substantially or partially heated so that the strip except its portions of the edges is subjected to compressive stress while the portions of the edges are subjected to tensile stress, and under these conditions the edges are welded together.
    • 在焊接管的制造中,通过加热来防止带的边缘弯曲或挥动。 在一种方法中,在将条带弯曲成管状形式的过程中,条带的边缘被加热,使得施加在其上的拉伸应力减小到最小,然后在边缘彼此抵靠之前,条带 完全加热,使得施加在边缘上的压缩应力减小到最小。 根据另一种模式,在将条带弯曲成管状或在条带的边缘保持彼此邻接的过程中,除了其边缘部分之外的条带基本上或部分地被加热, 除了其边缘部分之外的条带受到压缩应力,同时边缘的部分受到拉伸应力,并且在这些条件下,边缘被焊接在一起。