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    • 2. 发明授权
    • Gas laser
    • 气体激光
    • US4500998A
    • 1985-02-19
    • US410955
    • 1982-08-24
    • Kouji KuwabaraHiroyuki SugawaraToshiharu ShirakuraYukio KawakuboKouji Sasaki
    • Kouji KuwabaraHiroyuki SugawaraToshiharu ShirakuraYukio KawakuboKouji Sasaki
    • H01S3/08H01S3/03H01S3/036H01S3/041H01S3/081H01S3/22
    • H01S3/081H01S3/03H01S3/036H01S3/041Y10S372/70
    • The invention is to provide a gas laser in which a discharge tube of a double-tube construction comprising a inner tube and an outer tube of a relatively large diameter is employed, a tubular discharge space filled with a gas mixture is formed between the inner tube and the outer tube, a gas mixture cooling passage is formed within the discharge space, and a pair of mirror groups are disposed at both ends of the discharge space, each mirror group comprising a plurality of mirrors arranged in the circumferential direction. The respective mirrors are arranged in such a manner that a laser beam is reflected by the mirrors to go and return in the discharge space several times and each path of the laser beam between the corresponding two mirrors obliquely intersects the central axis of the discharge space. Thus, it is possible to obtain a laser beam in single mode with a single discharge tube without the need of enlarging a length of the tube and also to reduce a pressure loss of the gas mixture within the discharge space.
    • 本发明提供一种气体激光器,其中采用包括内管和具有较大直径的外管的双管结构的放电管,在内管之间形成有填充有气体混合物的管状放电空间 并且外管在排出空间内形成有气体混合物冷却通道,并且在放电空间的两端设置一对反射镜组,每个反射镜组包括沿圆周方向布置的多个反射镜。 相应的反射镜被布置成使得激光束被反射镜反射并在放电空间中返回几次,并且相应的两个反射镜之间的激光束的每个路径与放电空间的中心轴线倾斜相交。 因此,可以通过单个放电管获得单模激光束,而不需要扩大管的长度,并且还可以减少放电空间内的气体混合物的压力损失。
    • 10. 发明授权
    • Vacuum interrupter
    • 真空灭弧室
    • US4336430A
    • 1982-06-22
    • US96386
    • 1979-11-21
    • Yukio KurosawaYukio KawakuboNobuo Abe
    • Yukio KurosawaYukio KawakuboNobuo Abe
    • H01H33/66H01H33/664
    • H01H33/6644H01H33/6643
    • A vacuum interrupter comprises a pair of electrodes separably arranged within a vacuum vessel and mounted on conductor rods respectively. Each of the electrodes includes a coil electrode and a main electrode. The coil electrode is adapted to branch the current in the conductor rod in different radial directions with respect to the conductor rod for generating magnetic fields in axial direction of said conductor rod in such a manner as to offset each other at points near to the conductor rod. The main electrode is electrically connected with the coil electrode for carrying an arc. The main electrode includes a plurality of first current paths for passing the current in different radial directions, a plurality of second current paths for passing the current from the coil electrode to the first current paths, and a plurality of third current paths for passing the current therein in opposite directions to the current in the second current paths. Magnetic fields are generated in the main electrode in the same axial direction as those generated in the coil electrode, with the result that the arc is extinguished quicker when compared with the case where only one of the main and coil electrodes generates the axial magnetic field, thus improving the current-interrupting performance.
    • 真空断路器包括一对可分离地布置在真空容器内并分别安装在导体棒上的电极。 每个电极包括线圈电极和主电极。 线圈电极适于将导体棒中的电流相对于导体棒沿不同的径向方向分支,以在所述导体棒的轴向方向上产生磁场,以便在靠近导体棒的点处相互抵消 。 主电极与用于承载电弧的线圈电极电连接。 主电极包括用于使电流沿不同径向通过的多个第一电流路径,用于使电流从线圈电极传递到第一电流路径的多个第二电流路径,以及用于使电流通过的多个第三电流路径 其中与第二电流路径中的电流相反。 在主电极中产生与线圈电极中产生的磁场相同轴向的磁场,结果与只有一个主线圈电极和线圈电极产生轴向磁场的情况相比,电弧更快地熄灭, 从而提高电流中断性能。