| 摘要 |
PURPOSE:To display excellent vibration isolating effect to input vibration included within a wide frequency range by tuning a movable part held by the first and the second throttling passage and a backlash keeping mechanism to low, medium and high frequencies respectively, and a movable means in the frequency higher than the second throttling passage. CONSTITUTION:Movable parts of the first partitioning member 34 held between the first and the second throttling passage 56, 74, and inner peripheral edges of ring-shaped fittings 44, 46 are tuned to low, medium and high frequencies respectively, and a movable means 70 is tuned in the frequency higher than the second throttling passage 74. Input vibrations having the low frequency and large amplitude, and the medium frequency and small amplitude respectively can therefore be excellently damped and cut off on the basis of the liquid resonating action of incompressible fluid flowing through the first and the second throttling passage 55, 74, and the input vibration having the high frequency and minute amplitude can be excellently cut off on the basis of the displacement of the movable part of the first partitioning member 34. Thus excellent vibration isolating effect can be displayed to the input vibration included within a wide frequency range. |
