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    • 5. 发明专利
    • Pipe joint for steel pipe
    • 钢管接头
    • JP2011094704A
    • 2011-05-12
    • JP2009249258
    • 2009-10-29
    • Kyosei:Kk株式会社協成
    • NISHI YOSHIHIROTAMURA HIROSHI
    • F16L15/04
    • PROBLEM TO BE SOLVED: To simplify and facilitate pipe connection work while suppressing the corrosion of end faces of both steel pipes screwed to a joint body, and to easily and economically cope with even the case that there is a need to change screw connection lengths of both the steel pipes.
      SOLUTION: A female screw 2A into which male screws 1A of both steel pipes 1 can be freely screwed from both sides in a pipe axial direction is formed on an inner peripheral surface of the hollow cylindrical joint body 2, one stopper ring 3 formed with an abutment face 3a abutted by end faces 1a of both screwed steel pipes 1 from the pipe axial direction, and a male screw 3A freely screwed into the female screw 2A of the joint body 2 is screwed to the female screw 2A of the joint body 2; and elastic seal materials 4 capable of abutting on the end face 1a of the steel pipe 1 from the pipe axial direction are provided on both abutment faces 3a of the stopper ring 3. An inner diameter of the stopper ring 3 is formed the same as or larger than an inner diameter of the steel pipe 1.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了简化和便利管道连接工作,同时抑制螺纹连接到接头体上的两个钢管的端面的腐蚀,并且即使在需要更换螺钉的情况下也能够容易且经济地应对 两个钢管的连接长度。 解决方案:在中空圆柱形接头体2的内周面上形成有一个内螺纹2A,两个钢管1的外螺纹1A可以沿管轴方向两侧自由地拧入其中,一个止动环3 形成有从管轴方向与两个螺纹钢管1的端面1a抵接的抵接面3a,并且将自由旋入接头体2的内螺纹2A的外螺纹3A拧入接头的内螺纹2A 身体2; 并且在止动环3的两个抵接面3a上设置能够从管轴方向抵接在钢管1的端面1a上的弹性密封材料4.止动环3的内径形成为与 大于钢管1的内径。版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Silencer and pressure control device having the same
    • 具有该保护膜和压力控制装置
    • JP2009209976A
    • 2009-09-17
    • JP2008051391
    • 2008-02-29
    • Kyosei:KkOsaka Gas Co Ltd大阪瓦斯株式会社株式会社協成
    • TAKANO MASAYUKITAGUCHI HIDEKI
    • F16K47/02G10K11/16
    • PROBLEM TO BE SOLVED: To provide a highly versatile silencer for reducing a sound generated in a pipe for flowing fluid, when the type or use state of the pressure control device is different, and the pressure control device including the silencer and controlling pressure of the fluid in the pipe.
      SOLUTION: This silencer 10 comprises a plate-like part 50. The plate-like part 50 is arranged on the downstream side in a flow of the fluid more than a passing hole opened-closed by displacement of a piston 14 in the pipe for flowing the fluid. The plate-like part 50 is also arranged by partitioning an upstream side space and a downstream side space, and a plurality of through-holes 55 are formed. The through-holes 55 are formed to be blocked up, and can communicate the upstream space with the downstream space.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种用于减少用于流动流体的管道中产生的声音的高度通用的消音器,当压力控制装置的类型或使用状态不同时,并且包括消声器的压力控制装置和控制 管道中流体的压力。 解决方案:该消声器10包括板状部分50.板状部分50布置在流体流动的下游侧,而不是通过活塞14的位移而开启的通孔 用于流动流体的管道。 板状部分50还通过分隔上游侧空间和下游侧空间而布置,并且形成多个通孔55。 通孔55被形成为阻塞,并且可以将上游空间与下游空间连通。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Pressure control device
    • 压力控制装置
    • JP2009193175A
    • 2009-08-27
    • JP2008031150
    • 2008-02-12
    • Kyosei:KkOsaka Gas Co Ltd大阪瓦斯株式会社株式会社協成
    • TAKANO MASAYUKITAGUCHI HIDEKI
    • G05D16/00F16K3/24F16K47/02
    • PROBLEM TO BE SOLVED: To provide a pressure control device 10 equipped with a rectifier 44 for preventing pressure fluctuation which occurs downstream of the pressure control device 10.
      SOLUTION: The pressure control device 10 includes a valve seat 11 and the rectifier 44. The valve seat 11 is installed in a channel through which fluid flows, divides the channel into an upstream side channel 12 and a downstream side channel 13, and defines an aperture 14 whose inner diameter is smaller than the inner diameter of the upstream side channel 12. An aperture axis and the upstream side channel axis forms an angle. The aperture axial direction shows the flowing direction of the fluid flowing through the aperture 14, and the upstream side channel axial direction shows the direction of the fluid flowing in the upstream side channel 12. The rectifier 44 is arranged upstream of the valve seat 11, and provided with a plate-shaped guidance part 46 and a cylindrical guidance part 48. The plate-shaped guidance part 46 is formed as the plate-shaped section installed almost in parallel with the upstream side channel axis, and the cylindrical guidance part 48 is installed at the plate-shaped guidance part 46, and guides the fluid upstream of the aperture 14 to the downstream side.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决方案:提供一种装有整流器44的压力控制装置10,用于防止压力控制装置10下游发生的压力波动。解决方案:压力控制装置10包括阀座11和 整流器44.阀座11安装在流体流过的通道中,将通道分成上游侧通道12和下游侧通道13,并限定出内径小于 上游侧通道12.孔径轴线和上游侧通道轴线形成一个角度。 孔径轴向表示流过孔14的流体的流动方向,上游侧流路轴向表示流体在上游侧流路12中流动的方向。整流器44配置在阀座11的上游, 并且设置有板状引导部46和圆筒状引导部48.板状引导部46形成为与上游侧通路轴线大致平行地设置的板状部,圆筒状的引导部48为 安装在板状引导部46处,并将孔14的上游引导到下游侧。 版权所有(C)2009,JPO&INPIT