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    • 1. 发明专利
      JP2005048796A Automatic regulating valve apparatus 有权
    • Automatic regulating valve apparatus
    • 自动调节阀装置
    • JP2005048796A
    • 2005-02-24
    • JP2003203423
    • 2003-07-29
    • Yokota Seisakusho:Kk , 株式会社横田製作所
    • OGURA KUNIO , KAWAMOTO MASAHIRO , MASASHIGE KOICHI , TAKAHASHI KENJI
    • F16K31/363 , F16K17/06 , F16K17/10
    • PROBLEM TO BE SOLVED: To provide an automatic regulating valve apparatus which has not only a function as a primary pressure regulating valve for maintaining the pressure on the upstream side of a main valve constant, but also a perfect valve closing function, and does not cause the blinding of a pilot valve, hardly causes the chattering and hunting in spite of its quick motion, and can stop the flow of fluid by instantly closing the valve when the pressure on the upstream side of the main valve has been suddenly dropped.
      SOLUTION: The main valve apparatus has a main valve body and a main valve driving member. The main valve driving member forms a pressure chamber in the cylindrical wall of a main valve casing. A pilot valve apparatus is composed of an "A" valve apparatus which closes when the pressure on the upstream side of the main valve is higher than the specified pressure and opens when the pressure on the upstream side of the main valve is lower than the specified pressure, a "B" valve apparatus which opens when the pressure on the upstream side of the main valve is higher than the specified pressure and closes when the pressure on the upstream side of the main valve is lower than the specified pressure, and a "C" valve apparatus which closes when the pressure on the upstream side of the main valve is higher than the specified pressure and opens when the pressure on the upstream side of the main valve is lower than the specified pressure. The "A" valve apparatus and the "B" valve apparatus are communicated in series with the intermediate portion of the main valve apparatus between the upstream side and the downstream side of the main valve apparatus by communicating paths via the pressure chamber located at the intermediate portion. Further, the "C" valve apparatus is arranged in other communicating paths.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题：提供一种自动调节阀装置，其不仅具有用于将主阀上游侧的压力保持恒定的主压力调节阀的功能，而且具有完美的关阀功能， 不会引起先导阀的堵塞，尽管其快速运动也几乎不引起抖动和振动，并且当主阀的上游侧的压力突然下降时，可以通过立即关闭阀来阻止流体的流动 。 解决方案：主阀装置具有主阀体和主阀驱动构件。 主阀驱动构件在主阀壳体的圆筒壁中形成压力室。 主阀装置由主阀的上游侧的压力高于规定压力时关闭的“A”阀装置构成，当主阀的上游侧的压力低于规定压力时， 压力，当主阀的上游侧的压力高于规定压力时打开的“B”阀装置，当主阀的上游侧的压力低于规定压力时闭合，“ C“阀装置，当主阀的上游侧的压力高于规定压力时关闭，当主阀上游侧的压力低于规定压力时，阀装置打开。 “A”阀装置和“B”阀装置通过经由位于中间体的压力室的连通路径与主阀装置的上游侧和下游侧之间的主阀装置的中间部分串联连接 一部分。 此外，“C”阀装置布置在其他通信路径中。 版权所有（C）2005，JPO＆NCIPI
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 2. 发明专利
      JP2004278563A Automatic control valve device 有权
    • Automatic control valve device
    • JP2004278563A
    • 2004-10-07
    • JP2003067260
    • 2003-03-12
    • Yokota Seisakusho:Kk , 株式会社横田製作所
    • OGURA KUNIO , KAWAMOTO MASAHIRO , MASASHIGE KOICHI , TAKAHASHI KENJI
    • F16K17/28
    • PROBLEM TO BE SOLVED: To obtain an automatic control valve device capable of performing an excellent automatic control function as a differential pressure control valve keeping differential pressure constant before and after the valve and preventing clogging of a pilot valve unit with a perfect sealing function and being hardly causing a chattering and hunting irrespective of quick operation.
      SOLUTION: A main valve unit is provided with a main valve element integrated inside a main valve box and a main valve driving member having a pressure receiving area larger than that of the element. The element is positioned on the upstream side from a main valve seat, a throttling passage is formed between the element and main valve seat, the main valve driving member is slidably fitted on a cylindrical wall of the box, and a main valve driving pressure chamber is formed in the cylindrical wall. A pilot valve unit comprises a pilot A valve device and a pilot B valve device interlocked with each other. The pilot A and the pilot B valve devices opening and shutting in proportion to changes of differential pressure before and after the main valve unit are connected in series by means of a connecting passage between the upstream side and the downstream side from the main valve unit via the main valve driving pressure chamber midway. Accordingly, differential pressure before and after the main valve unit is maintained at a designated value.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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