| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid-enclosed damper of new structure capable of reducing or avoiding dependency of dynamic characteristics on frequency, without requiring a new member that requires dedicated disposition space, in a fluid-enclosed damper comprising a pressure receiving chamber and a balance chamber communicated with each other through an orifice passage to achieve damping effect by resonance action or the like of fluid based on its flowing action as forced to flow in the orifice passage when vibration is inputted. SOLUTION: A part of a wall part of the first orifice passage 52 is composed of an elastic movable wall 56 that can be elastically deformed to be displaced. When vibration is inputted, pressure difference is generated to both surfaces of the elastic movable wall 56 under communication in the first orifice passage 52, so that the elastic movable wall 56 is elastically deformed to be displaced when vibration is inputted. COPYRIGHT: (C)2004,JPO |
