In a vibration dampening device (10, 110) in an embodiment, a restriction passage (24) includes a first communication portion (26) that is open to a main liquid chamber (14), a second communication portion (27) that is open to an auxiliary liquid chamber (15), and a main body flow path (25) that causes the communication portions to communicate with each other, the first communication portion (26) includes a plurality of pores (31) penetrating a first barrier (28) having a surface (28a) facing the main liquid chamber (14), and a protrusion (40, 140) which protrudes toward the main liquid chamber (14) or the auxiliary liquid chamber (15) is formed over an entire circumference of an opening circumferential edge portion of the pore (31) in the surface (28a).


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    Titel :

    VIBRATION DAMPENING DEVICE


    Beteiligte:
    UEKI AKIRA (Autor:in) / NAGASHIMA YASUYUKI (Autor:in) / SATAKE YUKI (Autor:in)

    Erscheinungsdatum :

    2020-02-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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