| 摘要 |
PURPOSE: A damper is provided to arbitrarily adjust the tuning frequency range by the adjustment of pneumatic pressure. CONSTITUTION: A damper comprises a base plate(3), an air spring(5), a mass(9) and a guide member(11). The base plate is installed to a vibration generating part. The air spring(5) is made of a rubber cover and placed on the upper surface of the base plate(3). The mass(9) is installed on the upper part of the air spring(5) with an auxiliary plate(7). The guide member(11) placed in the air spring(5) between the base plate(3) and the auxiliary plate(7). Pneumatic pressure is adjusted through an air inlet(17).
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