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    Torsional vibration damper
    1.
    发明授权
    Torsional vibration damper 有权

    公开(公告)号：US11162558B2

    公开(公告)日：2021-11-02

    申请号：US16540790

    申请日：2019-08-14

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Taiki Nakamura ,  Hideyuki Nishida

    IPC: F16F15/14 ,  F16F15/121 ,  B62D25/08

    Abstract: A torsional vibration damper in which collision noise resulting from collision of a rolling member against a rotary member is reduced. The torsional vibration damper comprises a restriction mechanism that establishes a restriction force in a direction to restrict the relative rotation between the rotary member and the inertia body, when the rolling member centrifugally pushed onto a raceway surface is pushed radially inwardly by the raceway surface toward a radially inner limit position of a guide section.

    Torsional vibration damper
    2.
    发明授权
    Torsional vibration damper 有权

    公开(公告)号：US10962085B2

    公开(公告)日：2021-03-30

    申请号：US15939239

    申请日：2018-03-28

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Taiki Nakamura ,  Hiroyuki Amano ,  Hideyuki Nishida ,  Yuya Takahashi

    IPC: F16F15/139 ,  F16F15/14 ,  F16F15/134 ,  F16F15/22 ,  F16H1/28 ,  F16H57/04 ,  F16H57/08 ,  F16H45/02

    Abstract: A torsional vibration damper includes a planetary rotary unit and an elastic body that couples two rotary elements of three rotary elements so that the two rotary elements can rotate relatively to each other. The torsional vibration damper includes a shaft supporting member by which a rotation center axis of at least any one rotary element of the two rotary elements and a rotation center axis of the rotary element other than the planetary rotary unit and the two rotary elements are held on the same axis. The shaft supporting member has a holding section that is disposed in a position between fellow planetary rotary elements and not making contact with the planetary rotary elements and that fits with and thereby suppresses movement of the rotary element other than the planetary rotary unit and the two rotary elements in the axial direction.

    Torsional vibration damper
    3.
    发明授权
    Torsional vibration damper 有权

    公开(公告)号：US10788099B2

    公开(公告)日：2020-09-29

    申请号：US16539108

    申请日：2019-08-13

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Taiki Nakamura ,  Hideyuki Nishida ,  Masayuki Ishibashi

    IPC: F16F15/14

    Abstract: A torsional vibration damper in which a noise resulting from collision of an inertia body against a rotary member is reduced. An inertia body is arranged coaxially with the rotary member, and rolling members are interposed between the rotary member and the inertial body to transmit torque of the rotary member to the inertia body. A first clearance between an outer circumference of a rotary member and an inner circumference of the inertia body created when rolling members are centrifugally pushed onto raceway surfaces is identical to or narrower than a second clearance between one of the rolling members situated at a highest level and a bottom surface of a guide section.

    Torsional vibration damper
    4.
    发明授权
    Torsional vibration damper 有权

    公开(公告)号：US11549572B2

    公开(公告)日：2023-01-10

    申请号：US17557791

    申请日：2021-12-21

    Applicant: Toyota Jidosha Kabushiki Kaisha

    Inventor： Yu Shiraishi ,  Masayuki Ishibashi ,  Hideyuki Nishida ,  Hiroyuki Amano

    IPC: F16H45/02 ,  B60K6/48 ,  B60K6/40

    Abstract: A torsional vibration damper having improved vibration damping performance. The torsional vibration damper comprising: a pendulum vibration damper that damps pulsation of engine torque by an oscillating motion of an inertia body in response to the pulsation of the torque; and an engagement device that damps the amplitude of the pulsation of the engine torque by a relative rotation of rotary members. The pendulum vibration damper and the engagement device are arranged in order on a transmission route of the torque of the engine from a side at which the engine is disposed.

    TORSIONAL VIBRATION DAMPING DEVICE
    8.
    发明申请
    TORSIONAL VIBRATION DAMPING DEVICE 审中-公开

    公开(公告)号：US20180259034A1

    公开(公告)日：2018-09-13

    申请号：US15914399

    申请日：2018-03-07

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Yuya Takahashi ,  Hiroyuki Amano ,  Hideyuki Nishida

    IPC: F16F15/14 ,  F16F15/12 ,  F16H45/02

    Abstract: A torsional vibration damping device that prevents an increase in an inertial torque due to resonance without reducing a mass of an inertial mass member. A torque of an engine is delivered to a first rotary element of a planetary unit. The torsional vibration damping device damps pulsation of the torque of the engine to be delivered to the transmission by an inertial torque generated by a rotation of the third rotary element resulting from a relative rotation between the first rotary element and the second rotary element caused by the pulsation of the engine torque. The torsional vibration damping device comprises: a connection member rotated integrally with the first rotary element; an intermediate member rotated integrally with the second rotary element; an output member delivering torque to the transmission; a first elastic member connecting the connection member to the intermediate member; and a second elastic member connecting the intermediate member to the output member.

    Torsional vibration damping device
    10.
    发明授权
    Torsional vibration damping device 有权

    公开(公告)号：US10830308B2

    公开(公告)日：2020-11-10

    申请号：US15914399

    申请日：2018-03-07

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Yuya Takahashi ,  Hiroyuki Amano ,  Hideyuki Nishida

    IPC: F16F15/14 ,  F16F15/123 ,  F16F15/12 ,  F16H45/02 ,  F16F15/139 ,  F16F15/134 ,  F16F15/30 ,  F16H48/10

    Abstract: A torsional vibration damping device that prevents an increase in an inertial torque due to resonance without reducing a mass of an inertial mass member. A torque of an engine is delivered to a first rotary element of a planetary unit. The torsional vibration damping device damps pulsation of the torque of the engine to be delivered to the transmission by an inertial torque generated by a rotation of the third rotary element resulting from a relative rotation between the first rotary element and the second rotary element caused by the pulsation of the engine torque. The torsional vibration damping device comprises: a connection member rotated integrally with the first rotary element; an intermediate member rotated integrally with the second rotary element; an output member delivering torque to the transmission; a first elastic member connecting the connection member to the intermediate member; and a second elastic member connecting the intermediate member to the output member.

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