A partition member (16) is provided with a whirl chamber unit (31a, 31b) that causes two liquid chambers to communicate with each other, the whirl chamber unit (31a, 31b) includes a whirl chamber (33a, 33b) that whirls a liquid flowing therein, a rectification passage (34a, 34b) that causes one liquid chamber to communicate with the whirl chamber (33a, 33b) and that is opened in the whirl chamber (33a, 33b) in a circumferential direction of the whirl chamber (33a, 33b), and a communication hole (32a, 32b) that causes the other liquid chamber to communicate with the whirl chamber (33a, 33b). The whirl chamber (33a, 33b) forms a whirl flow of a liquid depending on a flow rate of the liquid flowing from the rectification passage (34a, 34b) and causes the liquid to flow from the communication hole (32a, 32b). The whirl chamber unit (31a, 31b) includes a plurality of first whirl chamber units (31a) in which a first whirl chamber (33a) as the whirl chamber communicates with the first liquid chamber (14) via a first rectification passage (34a) as the rectification passage and communicates with the second liquid chamber (15) via a first communication hole (32a) as the communication hole. The vibration prevention device (10) can exhibit damping characteristics with high accuracy.


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    Title :

    VIBRATION PREVENTION DEVICE


    Contributors:
    UEKI AKIRA (author)

    Publication date :

    2016-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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