ULTRAHIGH-PRESSURE SEALING DEVICE AND RECIPROCATIING PUMP
    1.
    发明公开
    ULTRAHIGH-PRESSURE SEALING DEVICE AND RECIPROCATIING PUMP 审中-公开
    哥伦比亚革命联​​合会

    公开(公告)号:EP3121447A1

    公开(公告)日:2017-01-25

    申请号:EP16175507.9

    申请日:2016-06-21

    发明人: ITOU, Kouichi

    IPC分类号: F04B53/02 F04B53/16

    摘要: An ultrahigh-pressure sealing device improves sealing performance under ultrahigh pressures and improves durability. The ultrahigh-pressure sealing device (1) is arranged to seal an annular space (C1) between an outer member (2) and an inner member (3) and separates between a high-pressure chamber (RH) and a low-pressure chamber (RL). A bottom ring (4) includes a first inner periphery (4a), a first large-diameter outer periphery (4e), a first small-diameter outer periphery (4f), and a first middle outer periphery (4g). A back-up ring (5) includes a second inner periphery (5a), a second engagement portion (5b), and a second outer periphery (5c). A packing ring (6) includes a third low-pressure-chamber end (6b), a third inner periphery (6a), a third large-diameter outer periphery (6e), a third the small-diameter outer periphery (6f), and a third middle outer periphery (6g). An elastic ring (7) includes a fourth inner periphery (7a), a fourth the engagement portion (7b), and a fourth outer periphery (7c).

    摘要翻译: 超高压密封装置提高了超高压下的密封性能,提高了耐久性。 超高压密封装置(1)被设置为密封外部构件(2)和内部构件(3)之间的环形空间(C1),并且在高压室(RH)和低压室 (RL)。 底环(4)包括第一内周(4a),第一大直径外周(4e),第一小直径外周(4f)和第一中外周边(4g)。 支撑环(5)包括第二内周(5a),第二接合部(5b)和第二外周(5c)。 填料环(6)包括第三低压室端(6b),第三内周(6a),第三大直径外周(6e),第三小直径外周(6f) 和第三中间外周(6g)。 弹性环(7)包括第四内周(7a),第四接合部(7b)和第四外周(7c)。