| 摘要 |
A vibration isolation device comprises an isolator (3) for coupling the object (2) and the base (4) together, and a neutraliser (6) coupled into the isolator. A dip in transfer dynamic stiffness occurring at the natural frequency of the neutraliser (6) may be tuned to a characteristic frequency of the object (2) or to a natural frequency of the isolator-object (3, 6) system, in particular where the isolator (3) is a two stage isolator. The neutraliser (46) may be a spherical mass (47) embedded in rubber (48) within a hollow isolator mass (45) itself connected between two isolator elements (43, 44). |
