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    Liquid sealed damper for opening and closing member
    1.
    发明授权
    Liquid sealed damper for opening and closing member 有权

    公开(公告)号：US11585139B2

    公开(公告)日：2023-02-21

    申请号：US17525493

    申请日：2021-11-12

    Applicant: YAMASHITA RUBBER CO., LTD. ,  HONDA MOTOR CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hideyuki Koguchi ,  Yasunobu Kurota ,  Takashi Kondo ,  Hideki Matsuoka

    IPC: E05F5/02 ,  E05F3/10

    Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed, the insulator serving as a wall portion of the main liquid chamber; an auxiliary liquid chamber divided from the main liquid chamber by a partition member and having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has an inner gap in the shape of a recess, and a part of the diaphragm is inserted into the inner gap.

    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
    2.
    发明申请
    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER 有权

    公开(公告)号：US20220128112A1

    公开(公告)日：2022-04-28

    申请号：US17507230

    申请日：2021-10-21

    Applicant: YAMASHITA RUBBER CO., LTD. ,  HONDA MOTOR CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hideyuki Koguchi ,  Yasunobu Kurota ,  Takashi Kondo ,  Hideki Matsuoka

    IPC: F16F7/10 ,  E05F5/02 ,  F16F15/023

    Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.

    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
    4.
    发明申请
    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER 有权

    公开(公告)号：US20220127890A1

    公开(公告)日：2022-04-28

    申请号：US17507237

    申请日：2021-10-21

    Applicant: YAMASHITA RUBBER CO., LTD. ,  HONDA MOTOR CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hideyuki Koguchi ,  Yasunobu Kurota ,  Takashi Kondo ,  Hideki Matsuoka

    IPC: E05F3/10

    Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.

    VIBRATION-DAMPING DEVICE
    5.
    发明申请
    VIBRATION-DAMPING DEVICE 审中-公开

    公开(公告)号：US20190242454A1

    公开(公告)日：2019-08-08

    申请号：US16340880

    申请日：2017-10-12

    Applicant: YAMASHITA RUBBER CO., LTD. ,  HONDA MOTOR CO., LTD.

    Inventor： Yuichi Nakamaru ,  Kazumi Mikami

    IPC: F16F15/08 ,  F16F1/38

    CPC classification number: F16F15/08 ,  F16F1/38

    Abstract: A vibration-damping device includes an inner cylinder, a resin outer cylinder that is arranged on a radially outer side of the inner cylinder, and a rubber elastic body that couples the inner cylinder and the outer cylinder to each other. The outer cylinder includes: a press-insertion portion that is press-inserted into an insertion hole formed in an attachment member; and a tapered portion that is contiguous with the press-insertion portion and extends in a direction in which the press-insertion part is inserted into the attachment member. The tapered portion has a tapered shape having a decreasing diameter in the press-insertion direction. An outer surface of the tapered portion is formed to be parallel to a tapered guide surface provided on an insertion opening of the insertion hole of the attachment member.

    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
    6.
    发明申请
    LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER 有权

    公开(公告)号：US20220127891A1

    公开(公告)日：2022-04-28

    申请号：US17525493

    申请日：2021-11-12

    Applicant: YAMASHITA RUBBER CO., LTD. ,  HONDA MOTOR CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hideyuki Koguchi ,  Yasunobu Kurota ,  Takashi Kondo ,  Hideki Matsuoka

    IPC: E05F3/10

    Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed, the insulator serving as a wall portion of the main liquid chamber; an auxiliary liquid chamber divided from the main liquid chamber by a partition member and having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has an inner gap in the shape of a recess, and a part of the diaphragm is inserted into the inner gap.

    Vibration-damping device
    7.
    发明授权
    Vibration-damping device 有权

    公开(公告)号：US10962083B2

    公开(公告)日：2021-03-30

    申请号：US16340888

    申请日：2017-10-12

    Applicant: YAMASHITA RUBBER CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hiroki Kashihara

    IPC: F16F15/08 ,  F16F1/38

    Abstract: An object of the present invention is to provide a vibration-damping device which inhibits a flange part and an outer cylinder from breaking. The vibration-damping device includes: an inner cylinder; a resin-made outer cylinder arranged outside the inner cylinder in a radial direction; and a rubber elastic body connecting the inner cylinder and the outer cylinder.

    Vibration-damping device
    10.
    发明授权
    Vibration-damping device 有权

    公开(公告)号：US10962074B2

    公开(公告)日：2021-03-30

    申请号：US16340885

    申请日：2017-10-12

    Applicant: YAMASHITA RUBBER CO., LTD.

    Inventor： Yuichi Nakamaru ,  Hiroki Kashihara

    IPC: F16F1/38 ,  F16F15/08 ,  F16F1/387

    Abstract: An object of the present invention is to provide a vibration-damping device which enhances the durability of a rubber elastic body; and inhibits the occurrence of voids in an outer cylinder. The vibration-damping device includes: an inner cylinder; a resin-made outer cylinder arranged outside the inner cylinder in a radial direction of the outer cylinder; and a rubber elastic body connecting the inner cylinder and the outer cylinder.

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