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    SLIDING COMPONENT
    3.
    发明公开
    SLIDING COMPONENT 审中-实审

    公开(公告)号：EP4411182A1

    公开(公告)日：2024-08-07

    申请号：EP22875835.5

    申请日：2022-09-14

    申请人： Eagle Industry Co., Ltd.

    发明人： IMURA Tadatsugu ,  SUZUKI Hiroshi ,  FUKUDA Shogo ,  UCHIDA Kenta

    IPC分类号： F16J15/34 ,  F16C17/04

    CPC分类号： F16C17/04 ,  F16J15/34

    摘要： There is provided a sliding component that allows sliding surfaces to smoothly slide against each other from a low-speed state to a high-speed state in both forward and reverse relative rotation directions. A deep groove 17 is provided that partitions a fluid-side region A1 where a fluid-side groove 13 and a fluid-side reverse groove 14 are provided and a leakage-side region A2 where leakage-side grooves 15a to 15c and leakage-side reverse grooves 16a to 16c are provided off from each other.

    FLUID CIRCUIT
    4.
    发明公开
    FLUID CIRCUIT 审中-实审

    公开(公告)号：EP4407193A1

    公开(公告)日：2024-07-31

    申请号：EP22872798.8

    申请日：2022-09-14

    申请人： Eagle Industry Co., Ltd.

    发明人： SHIMADA Yoshiyuki

    IPC分类号： F15B3/00

    CPC分类号： F15B3/00

    摘要： There is provided a fluid circuit capable of continuously driving pressure-increasing devices with a simple configuration. A plurality of pressure-increasing devices 10 and 10A are connected in parallel to a fluid supply device 6 that delivers a working fluid. A stroke direction of the piston 120 or 120A of each of the pressure-increasing device 10 and 10A is switched by the working fluid. A phase of the piston 120 of one pressure-increasing device 10 is different from a phase of the piston 120A of the other pressure-increasing device 10A.

    SLIDING COMPONENT
    5.
    发明公开
    SLIDING COMPONENT 审中-公开

    公开(公告)号：EP4400733A1

    公开(公告)日：2024-07-17

    申请号：EP24156603.3

    申请日：2020-08-25

    申请人： Eagle Industry Co., Ltd.

    发明人： OKA, Masao

    IPC分类号： F16C17/04 ,  F16J15/34 ,  F16C33/10 ,  F16C33/74

    CPC分类号： F16C33/74 ,  F16J15/3412 ,  F16J15/3496 ,  F16J15/348 ,  F16J15/36 ,  F16C33/1065 ,  F16C17/04

    摘要： Provided is a sliding component in which damage to a sliding surface can be reduced. A sliding component 1 includes a pair of seal rings which are arranged to rotate relative to each other. The seal rings 3 and 5 have sliding surfaces S1 and S2, respectively, which are facing each other. The sliding surfaces S1 and S2 are provided with: a land 9 continuously extending in a circumferential direction; inward recessed portions 11 recessed in an axial direction, extending to a radially inner side, and open to the radially inner side; and outward recessed portions 12 recessed in the axial direction, extending to a radially outer side, and open to the radially outer side.

    SLIDING COMPONENT
    7.
    发明公开
    SLIDING COMPONENT 审中-实审

    公开(公告)号：EP4345343A3

    公开(公告)日：2024-06-19

    申请号：EP24157883.0

    申请日：2020-07-10

    申请人： Eagle Industry Co., Ltd.

    发明人： INOUE, Hiroki ,  NEGISHI, Yuta ,  ONUMA, Minori ,  OU, Iwa ,  IMURA, Tadatsugu ,  SUZUKI, Hiroshi

    IPC分类号： F16C17/04 ,  F16J15/34

    CPC分类号： F16C33/107 ,  F16C17/045 ,  F16J15/3412 ,  F16J15/3416

    摘要： A sliding component having excellent lubricity and a high recovery rate of a sealed fluid is provided. In a mechanical seal 1 as a sliding component in which a plurality of spiral grooves 7 serving as a plurality of dynamic pressure generation grooves extending from a low pressure side L to a high pressure side H are formed on a sliding surface S1 of a stationary seal ring 4 serving as any one sliding member in the mechanical seal 1, the sliding surface S1 is provided with an annular groove 9 serving as a recessed portion extending in a circumferential direction and opened to the low pressure side L and the annular groove 9 communicates with the spiral groove 7.

    SLIDING COMPONENT
    8.
    发明公开
    SLIDING COMPONENT 审中-实审

    公开(公告)号：EP4345342A3

    公开(公告)日：2024-06-19

    申请号：EP24157861.6

    申请日：2020-07-10

    申请人： Eagle Industry Co., Ltd.

    发明人： INOUE, Hiroki ,  NEGISHI, Yuta ,  ONUMA, Minori ,  OU, Iwa ,  IMURA, Tadatsugu ,  SUZUKI, Hiroshi

    IPC分类号： F16C17/04 ,  F16J15/34

    CPC分类号： F16C33/107 ,  F16C17/045 ,  F16J15/3412 ,  F16J15/3416

    摘要： A sliding component having excellent lubricity and a high recovery rate of a sealed fluid is provided. In a mechanical seal 1 as a sliding component in which a plurality of spiral grooves 7 serving as a plurality of dynamic pressure generation grooves extending from a low pressure side L to a high pressure side H are formed on a sliding surface S1 of a stationary seal ring 4 serving as any one sliding member in the mechanical seal 1, the sliding surface S1 is provided with an annular groove 9 serving as a recessed portion extending in a circumferential direction and opened to the low pressure side L and the annular groove 9 communicates with the spiral groove 7.