| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of cavitation in a liquid in a pressure-received liquid chamber at the time of input of large load while restraining complication of a system structure. SOLUTION: The vibration-proofing system 10 has a valve element 98 in which a check valve 96 is integrally arranged together with a movable membrane 90 made of rubber. When liquid pressure in the pressure-received liquid chamber 84 is reduced at a designated value, the check valve 96 makes the valve element 98 open. Thus, when an excessive load is applied via an outer cylinder metallic fitting 14 or mounting metallic fitting 16 and the liquid in the pressure-received liquid chamber 84 is reduced at the designated value, the check valve 96 is switched from a closed condition to an open condition, and the liquid is allowed to flow from a sub-liquid chamber 86 to the pressure-received liquid chamber 84 via a slit 102 of the valve element 98. Therefore, generation of the cavitation (bubble) in the liquid of the pressure-received liquid chamber 84 because the liquid pressure in the pressure-received liquid chamber 84 is prevented from lowering than a specified value. COPYRIGHT: (C)2008,JPO&INPIT |
