A vibration-damping device (10) includes a tubular first attachment member (11) that is coupled to any one of a vibration-generating portion and a vibration-receiving portion; a second attachment member (12) that is coupled to the other one of the vibration-generating portion and the vibration-receiving portion; an elastic body (13) that couples both the attachment members (11 and 12) to each other; and a partition member (16) that divides a liquid chamber (19) inside the first attachment member (11) into a main liquid chamber (14) having the elastic body (13) as a part of a wall surface, and a sub-liquid chamber (15). A restriction passage (24) through which the main liquid chamber (14) and the sub-liquid chamber (15) communicate with each other is formed in the partition member (16). The partition member (16) is provided with a flow-speed restraint portion (32) which restrains a flow speed of liquid (L) flowing in the restriction passage (24). The flow-speed restraint portion (32) restrains a peak flow speed of the liquid (L) flowing into the main liquid chamber (14) from the restriction passage (24) to 10 m/sec or lower, when a liquid pressure in the main liquid chamber (14) is a negative pressure and a fluctuation rate of the liquid pressure within a predetermined time is 5% or lower.


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    Titel :

    VIBRATION-DAMPING DEVICE


    Beteiligte:
    UEKI AKIRA (Autor:in) / SATAKE YUKI (Autor:in) / NAGASAWA MASAKAZU (Autor:in) / NAGASHIMA YASUYUKI (Autor:in) / SUGAWARA HIDEKI (Autor:in) / OONO SHINGO (Autor:in)

    Erscheinungsdatum :

    13.06.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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