| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fluid-sealed vibration control device with a new structure which can improve vibration-proof performance and quietness by reducing transmission of abnormal noise generated by contact with the partition member of the movable plate to vibration-proof object member. <P>SOLUTION: A fixed part 36 to a vibration control member 20 of a second installation member 14 is provided with the opening part side opposite to a first installation member 12. By pinching a partition member 48 supported by the second installation member 14, a pressure receiving chamber 98 is formed in the first installation member 12 side and in the opposite side to form a balancing chamber 100 and at the same time, to form an intermediate chamber 102 in the inside of the partition member 48, and a high frequency orifice passage 112 making the intermediate chamber 102 communicate with either a pressure receiving chamber 98 or the balancing chamber 100 is formed. In an axial direction of the second installation member 14, the movable plate 90 is located closer to the elastic movable membrane than to the elastic motion membrane 52 in the side in which the fixed part 36 is disposed by arranging an elastic motion membrane 52 between the intermediate chamber 102 and the pressure receiving chamber 98, and by arranging the movable plate 90, whose displacement volume is restricted, between the intermediate chamber 102 and the balancing chamber 100. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
