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    ACCUMULATOR
    1.
    发明申请
    ACCUMULATOR 审中-公开

    公开(公告)号：US20200032819A1

    公开(公告)日：2020-01-30

    申请号：US16492719

    申请日：2018-01-25

    申请人： NHK SPRING CO., LTD.

    发明人： Hiroshi MIZUKAMI ,  Mieko YANAGIDA ,  Ippei IWAI

    IPC分类号： F15B1/10 ,  F15B1/24 ,  F16L55/053

    摘要： An accumulator includes a pressure vessel including a first section and a second section joined to each other via a joint portion and a partition portion separating an interior space of the pressure vessel into a liquid chamber and a gas chamber so that a volume ratio between the liquid chamber and the gas chamber in the pressure vessel is variable. The first section includes a thread portion for fastening the accumulator to a support member. The second section includes an abutting portion disposed opposite to the thread portion across the joint portion in an axial direction of the thread portion and configured to abut on the support member when the accumulator is fastened to the support member.

    ACCUMULATOR
    2.
    发明申请
    ACCUMULATOR 审中-公开

    公开(公告)号：US20200049168A1

    公开(公告)日：2020-02-13

    申请号：US16492708

    申请日：2018-01-25

    申请人： NHK SPRING CO., LTD.

    发明人： Hiroshi MIZUKAMI ,  Ippei IWAI ,  Mieko YANAGIDA

    IPC分类号： F15B1/10 ,  F16L55/053

    摘要： An accumulator includes a pressure vessel and a partition portion separating an interior space of the pressure vessel into a liquid chamber and a gas chamber so that a volume ratio between the liquid chamber and the gas chamber in the pressure vessel is variable. The pressure vessel includes a first section including a thread portion for fastening the accumulator to a support member and a second section joined to the first section and formed by a single piece including a tool engagement portion capable of engaging with a tool for rotating the accumulator. The first section and the second section are fitted together by mating portions coaxial with the thread portion and the tool engagement portion.