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    • 2. 发明授权
    • Device for work implementation without stopping flow, and method for work implementation without stopping flow
    • 无停止流程的工作实现设备,无停止流程的工作实现方法
    • US08720465B2
    • 2014-05-13
    • US13510335
    • 2011-02-01
    • Toshiyuki SatoTaihei Yokoyama
    • Toshiyuki SatoTaihei Yokoyama
    • B23B41/08
    • F16L41/06F16L41/16Y10T137/0469Y10T137/6123Y10T137/6126
    • An apparatus including: a sealing case 20 having a branch-shaped branch hole 23 formed in a first separate case 21 and extending in the radial direction C of an existing pipe 1; and a rubber packing 30 for sealing a gap between the sealing case 20 and the existing pipe 1, wherein: the first separate case 21 is provided with a flange 28 for allowing for attachment and removal of a boring machine 3; the sealing case 20 is capable of reciprocating in the pipe axis direction L; and the rubber packing 30 forms: a first sealed area S1 surrounding a portion of the sealing case 20 where the branch hole 23 is provided for shutting the branch hole 23; and a second sealed area S2 being adjacent to the first sealed area S1, sealed against the first sealed area S1, displaced from the first sealed area S1 in the pipe axis direction L, and sized so as to be able to shut the opening bored by a cutter 3a.
    • 一种装置,包括:具有形成在第一分离壳体21中并沿着现有管1的径向C延伸的分支状分支孔23的密封壳体20; 以及用于密封密封壳体20和现有管道1之间的间隙的橡胶密封件30,其中:第一分离壳体21设置有用于允许钻孔机3的安装和拆卸的凸缘28; 密封箱20能够沿管轴方向L往复运动; 并且橡胶填料30形成:围绕密封壳体20的一部分的第一密封区域S1,其中设置有用于关闭分支孔23的分支孔23; 和与第一密封区域S1相邻的第二密封区域S2,密封在第一密封区域S1中,从管轴线方向L上的第一密封区域S1移位,并且将其尺寸设定为能够关闭由 刀具3a。
    • 3. 发明授权
    • Pressurized fluid line servicing tool
    • 加压流体管线维修工具
    • US07665481B2
    • 2010-02-23
    • US11461849
    • 2006-08-02
    • Ivan Mazur
    • Ivan Mazur
    • F16L55/18
    • F16L41/16F16L55/132F16L55/18Y10T137/0458Y10T137/5283Y10T137/612
    • A pressurized fluid line servicing tool assembly consists of a tool insertion adaptor, a cap removal tool and a plug setting tool. The tool insertion adaptor connects to a pipe of a pressurized fluid line and enables tools to be inserted and removed without releasing pressurized fluids, such as natural gas, to atmosphere. It has a tool insertion chamber which is divided into an upstream portion and a downstream portion by a valve. The cap removal tool connects to the tool insertion adaptor to enable service personnel to pass a cap removal wrench through the valve to remove a cap from an end of the pipe of the pressurized fluid line. The plug setting tool connects to the tool insertion adaptor to enable service personnel to pass a torque settable plug through the valve to set a plug into the end of the pipe.
    • 加压流体管线维修工具组件由工具插入适配器,盖拆除工具和插头设置工具组成。 工具插入适配器连接到加压流体管线的管道,并且使工具能够插入和移除,而不会将诸如天然气的加压流体释放到大气中。 它具有工具插入室,其通过阀被分成上游部分和下游部分。 盖拆除工具连接到工具插入适配器,使维修人员能够通过盖拆卸扳手穿过阀门,以从加压流体管线的管道的端部移除盖子。 插头设置工具连接到工具插入适配器,以使维修人员能够通过阀门传递扭矩可设定的插头,以将插头设置在管道的末端。
    • 5. 发明申请
    • Negative check valve of a pneumatic transfer pipe
    • 气动输送管负止回阀
    • US20080115843A1
    • 2008-05-22
    • US11601829
    • 2006-11-20
    • Chi-Chang Wang
    • Chi-Chang Wang
    • F16K15/00
    • F16K15/021F16K24/06F16L41/16F16L55/07Y10T137/7913
    • A negative check valve of a pneumatic transfer pipe comprises a casing having a hollow chamber and a channel which is communicated to the hollow chamber; a cover having a penetrating channel; a plug movably received in the hollow chamber of the casing; a washer installed between the casing and the cover; an center of the washer having an opening which can be sealed by the plug; wherein when a positive pressure is applied to the plug, the plug will be pushed upwards by floating force and the pressure so as to seal the opening of the washer to isolate the opening. When a negative pressure is applied to the plug by suction force of vacuum, the plug will descend to the bottom of the hollow chamber so that the opening is opened and gas or liquid flows through the washer.
    • 气动输送管的负止回阀包括具有中空室的壳体和与中空室连通的通道; 具有穿透通道的盖; 可移动地容纳在所述壳体的中空室中的塞子; 安装在外壳和盖子之间的垫圈; 所述垫圈的中心具有可被所述塞子密封的开口; 其中当正压力施加到插头时,插头将通过浮力和压力被向上推动,以便密封垫圈的开口以隔离开口。 当通过真空吸力将负压施加到插头时,插头将下降到中空室的底部,使得开口打开,气体或液体流过垫圈。