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    • 3. 发明申请
    • GAS INSULATED SWITCHGEAR
    • 气体绝缘开关
    • US20110299227A1
    • 2011-12-08
    • US13079903
    • 2011-04-05
    • Osamu KISANUKITakashi MiyamotoTakao TsurimotoManabu Yoshimura
    • Osamu KISANUKITakashi MiyamotoTakao TsurimotoManabu Yoshimura
    • H02B1/20
    • H02G5/065
    • A gas insulated switchgear includes: a center conductor that is arranged to extend horizontally in a tank; a cylindrical member that is arranged in the tank to surround a center conductor, and formed by curving a metal plate-like member into a cylindrical shape and then joining circumferentially opposed both ends of the plate-like member by welding to form a welding portion, the welding portion being located on a lower side of the cylindrical member; and a current transformer for instruments, through which the cylindrical member is inserted, the current transformer being supported by the cylindrical member, and being arranged to surround the center conductor. The welding portion includes a metal spacer sandwiched between the circumferentially opposed both ends of the plate-like member, and the spacer and the ends are welded to each other.
    • 气体绝缘开关装置包括:中心导体,其设置成在罐中水平延伸; 一个圆筒形构件,其布置在容器中以围绕中心导体,并且通过将金属板状构件弯曲成圆柱形形状,然后通过焊接而与板状构件的周向相对的两端接合而形成焊接部分, 所述焊接部位于所述筒状部件的下侧; 以及用于仪器的电流互感器,圆柱形构件通过该电流互感器被插入,电流互感器由圆柱形构件支撑,并且被布置成围绕中心导体。 焊接部分包括夹在板状构件的周向相对的两端之间的金属间隔件,并且间隔件和端部彼此焊接。
    • 4. 发明授权
    • Gas insulated switchgear
    • 气体绝缘开关柜
    • US08675350B2
    • 2014-03-18
    • US13079903
    • 2011-04-05
    • Osamu KisanukiTakashi MiyamotoTakao TsurimotoManabu Yoshimura
    • Osamu KisanukiTakashi MiyamotoTakao TsurimotoManabu Yoshimura
    • H02B7/00
    • H02G5/065
    • A gas insulated switchgear includes: a center conductor that is arranged to extend horizontally in a tank; a cylindrical member that is arranged in the tank to surround a center conductor, and formed by curving a metal plate-like member into a cylindrical shape and then joining circumferentially opposed both ends of the plate-like member by welding to form a welding portion, the welding portion being located on a lower side of the cylindrical member; and a current transformer for instruments, through which the cylindrical member is inserted, the current transformer being supported by the cylindrical member, and being arranged to surround the center conductor. The welding portion includes a metal spacer sandwiched between the circumferentially opposed both ends of the plate-like member, and the spacer and the ends are welded to each other.
    • 气体绝缘开关装置包括:中心导体,其设置成在罐中水平延伸; 一个圆筒形构件,其布置在容器中以围绕中心导体,并且通过将金属板状构件弯曲成圆柱形形状,然后通过焊接而与板状构件的周向相对的两端接合而形成焊接部分, 所述焊接部位于所述筒状部件的下侧; 以及用于仪器的电流互感器,圆柱形构件通过该电流互感器被插入,电流互感器由圆柱形构件支撑,并且被布置成围绕中心导体。 焊接部分包括夹在板状构件的周向相对的两端之间的金属间隔件,并且间隔件和端部彼此焊接。