| 摘要 |
PROBLEM TO BE SOLVED: To prevent excessive load on both cores even when a movable core receives excessive pressure from a movable member in an active type vibration-proof supporting device. SOLUTION: The device consists of an elastic body 14 supporting a vibration body E elastically, a liquid chamber 24 demarcated by the elastic body 14, a movable member 20 that changes the volume of the liquid chamber 24, and an electromagnetic actuator 31 that drives the movable member 20. Connection means 55, 56 that penetrates the movable core 53 of the actuator 31 and supports the lower end surface of the core 53 are connected to the movable member 20, and a set spring 57 energizing the core 53 towards the support parts of the connection means 55, 56 is compressively set between the movable member 20 and the core 53. Even after the core 53 reaches a movement limit to a fixed core 33 side, the movable member 20 can move to the fixed core 33 side while compressing the spring 57. The movement amount of the movable member 20 thereafter is limited by a stopper means 61. COPYRIGHT: (C)2005,JPO&NCIPI |
