A hydraulic engine mount, capable of preventing a rattle noise, improving Noise, Vibration, and Harshness (NVH) performance by lowering dynamic characteristics of the hydraulic engine mount in an idling state, and capable of generating a high damping value in a state having a relatively large amount of vibration displacement, includes a case having a hydraulic fluid sealed therein, a nozzle plate having a lower nozzle plate and an upper nozzle plate coupled to an upper portion of the lower nozzle plate, and dividing an inside of the case into an upper fluid chamber and a lower fluid chamber, a first membrane disposed on the upper portion of the lower nozzle plate such that a first edge portion of the first membrane is tightly coupled to the upper portion of the lower nozzle plate, and provided with at least one first communicating hole, a second membrane disposed on a lower portion of the upper nozzle plate such that a second edge portion of the second membrane is tightly coupled to the lower portion of the upper nozzle plate, and provided with at least one second communicating hole, and a separation plate allowing the first membrane and the second membrane to be apart from each other so as to provide a flow space between the first membrane and the second membrane.


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    Title :

    Hydraulic engine-mount


    Contributors:

    Publication date :

    2019-10-08


    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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