| 摘要 |
PURPOSE:To exercise a desired effect securely in a vibro-isolating support device which reduces a dynamic vibration input by utilizing the magnetic force of a magnet. CONSTITUTION:Between a disk member 2 fixed to one side of a power unit or a car body, and a disk member 3 fixed to the other side, a holding elastic body 4 is provided, a main fluid chamber 12 is formed in the holding elastic body 4, an auxiliary fluid chamber 13 in which a disk member 8 supported elastically by an elastic body 7, and consisting of a magnetic body, is made as a part of the partition wall, is formed to the rear side of the disk member 3, the main fluid chamber 12 and the auxiliary fluid chamber 13 are communicated through a through hole 3a, and a fluid is sealed in the main fluid chamber 12 and the auxiliary fluid chamber 13. Furthermore, a permanent magnet 9 is fixed to the disk member 3 opposing to the disk member 8, a coil 15 is provided to cover the disk member 8 and the permanent magnet 9, and a control current I is to be fed to the coil 15 from a controller 20. |
