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    • 74. 发明专利
    • CYCLON
    • JPS5615854A
    • 1981-02-16
    • JP9069379
    • 1979-07-16
    • KAWASAKI HEAVY IND LTD
    • SUZUKI TAKESHIMURAO MIKIOUCHIYAMA SUSUMUAIZAWA KIYOSHIYOTSUI YASUHIKO
    • B04C5/04B04C5/12
    • PURPOSE:To provide a cyclon to separate dust and powder in gas which is capable of greatly reducing a pressure loss without reducing the trapping efficiency by a method wherein the gap between a discharge pipe and cylinder is made smaller in the direction of gas flow. CONSTITUTION:In a cylinder section 11 extending vertically and having a reverse cone section at the lower part, a vertically extending inner cylinder 4b is arranged so that the center 13 of the cylinder 11 and the center 14 of the inner cylinder 4b are arranged eccentrically. The inner cylinder 4b is installed on a diameter line 26 perpendicular to an assumed diameter line 24 which passes through the center 13 of the cylinder 11 and is parallel to the tangential inlet direction 23 of the inlet duct 16, so that the center 14 of the inner cylinder 4b is away from the inlet opening 15. Gas from the inlet opening 15 is swirled along the gap 17 and flows down toward the axial direction of the cylinder 11. As a result, gas near the inner cylinder 4b is sequentially flowed into the inner cylinder 4b and the amount of swirling gas is reduced. Because the gap 17 is expanding from the minimum gap position 19 toward the inlet opening 15 along the swirling direction 18, the swirling energy of the gas decreases after it passes the minimum gap position 19 and results in a reduced pressure loss.
    • 80. 发明专利
    • Master-slave shield machine
    • 主从屏蔽机
    • JP2003013689A
    • 2003-01-15
    • JP2001195761
    • 2001-06-28
    • Kawasaki Heavy Ind LtdSato Kogyo Co Ltd佐藤工業株式会社川崎重工業株式会社
    • MURAMOTO TOSHIYUKIDEMURA HAJIMEKUROMATSU KATSUROUECHI ISAMUKOMATA FUMIYOSHIUCHIYAMA SUSUMUMORIO SABURO
    • E21D9/06
    • PROBLEM TO BE SOLVED: To arrange a slave shield machine at an arbitrary place in a master shield machine, and to substantially eliminate the need for the soil improvement of a soil-starting section region and the starting preparation works of the slave shield machine conducted in at least a master cutter chamber in the case of the soil starting of the slave shield machine.
      SOLUTION: In the master shield machine 1 in which the slave shield machines 3A and 3B having diameters smaller than a master shield machine 2 are arranged into the master shield machine 2 having a relatively large diameter, a passage hole 21a for the slave shield machines 3A and 3B is formed into a master cutter head 21 for the master shield machine 2 while a passage hole 21a section for the slave shield machines is sealed previously by a material capable of being cut 24, a pipe jacking is conducted by master-shield machine one body, and the slave shield machines 3A and 3B can be started, while cutting a material 24 section capable of being cut for the cutter head 21 for the master shield machine.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:在主屏蔽机器中的任意位置设置从属屏蔽机,并且基本上消除了对土壤起动区域的土壤改善的需要以及从动屏蔽机器的起动准备工作 在从屏蔽机器的土壤起动的情况下,至少有一个主切割器室。 解决方案:在主屏蔽机1中,具有小于主屏蔽机2的直径的副屏蔽机3A和3B布置在具有较大直径的主屏蔽机2中的主屏蔽机1中,用于从屏蔽机3A的通道孔21a 并且3B形成为用于主屏蔽机2的主切割头21,而用于从屏蔽机的通孔21a部分预先由能够被切割的材料24密封,顶管由主屏蔽机1 主体和从屏蔽机3A和3B,同时切割能够切割用于主屏蔽机的切割头21的材料24部分。