| 摘要 |
PURPOSE: A hydraulic engine mount is provided to restrain rapid increasing of stiffness, and to improve vibration absorbing performance by sufficiently absorbing the resonance of a separator even at a specific band of high frequency. CONSTITUTION: An upper and a lower fluid chambers(12,14) are separated embedded in a hydraulic engine mount(10). A first separator(22) is connected to the upper and lower fluid chambers to absorb the displacement inputted at a high frequency band. The first separator is a leaf spring. An inertia path(16) is communicated to the upper and lower fluid chambers to absorb the displacement inputted at a low frequency band. A damping rubber(30) is interposed to the upper portion of the body. A rubber diaphragm(32) is attached to the lower end of the body. A plunger(40) to transmit vibration to the fluid in the fluid chambers is combined to the center of the damping rubber. The plunger has a plunger fluid chamber(42). A second separator(24) is combined to the plunger fluid chamber. Since the displacement of high frequency is applied to the separators, vibration absorbing capacity is doubled.
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