The present invention provides a hydraulic engine mount having an interior divided into an upper liquid room and a lower liquid room by an orifice part and allowing a hydraulic liquid to flow in the upper liquid room and the lower liquid room through a flow channel formed on the orifice part. The flow channel comprises: a first track opened to the upper liquid room through a first entrance opening and opened to the lower liquid room through a second entrance room; a second track opened to the first track through a third entrance opening and opened to the lower liquid room through a fourth entrance room; and a membrane mounted on the third entrance opening. The membrane shields the third entrance opening and opens the third entrance opening when a flow amount of the hydraulic liquid introduced into the flow channel is increased to a reference value or more. According to the present invention, when vibration having an extremely low frequency element of 10 Hz or lower is generated such that the flow amount of the hydraulic liquid is increased, the flow channel between the upper liquid room and the lower liquid room becomes larger, thereby further reducing vibration due to impacts. Accordingly, the ride quality of a vehicle can be improved.

    본 발명은, 오리피스부에 의해 내부가 윗쪽의 상측액실과 아랫쪽의 하측액실로 구획되고, 내부의 압력변화에 따라 봉입된 하이드로액이 상기 오리피스부에 형성된 유로를 통하여 상측액실과 하측액실을 유동하는 하이드로 엔진마운트에 있어서, 상기 유로는, 제1출입구를 통해 상측액실과 개통되고 제2출입구를 통해 하측액실과 개통되는 제1트랙;과 제3출입구를 통해 제1트랙과 개통되고 제4출입구를 통해 하측액실과 개통되는 제2트랙; 및 상기 제3출입구에 장착된 멤브레인;을 포함하고, 상기 멤브레인은 제3출입구를 차폐하되, 유로로 유입되는 하이드로액의 유량이 기준값 이상으로 증가하면 개방되는 것을 특징으로 한다. 상기와 같은 구성의 본 발명은 10Hz 이하의 극저주파 성분을 갖는 진동이 발생하여 하이드로액의 유동량이 증대되면 상측액실과 하측액실 사이의 유동경로가 증대되어 충격성 진동을 더욱 효율적으로 감쇠시킬 수 있으며, 이에 따라 차량의 승차감을 더욱 향상시킬 수 있다.


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    Title :

    HYDRAULIC ENGINE-MOUNT


    Additional title:

    하이드로 엔진마운트


    Contributors:
    PARK SANG GIL (author) / LEE CHAN (author) / HA CHANG YONG (author) / BANG JUNG HWAN (author) / CHOI SANG IL (author) / BAIK HONG SUN (author) / CHOI JEONG SOON (author)

    Publication date :

    2015-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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



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