专利名称：TUNABLE VIBRATION ABSORBING DEVICE发明人：HO
申请号：EP08800867申请日：20080916公开号：EP2207934A4公开日：20120620
摘要：A Tuned Mass Damper (TMD) for reducing vibration and noise radiation fromrails incorporates a series of oscillation mass (8) of different sizes held in position bylayers of resilient material (9) and attached to the rail via several steel mounting plates(4). Each mounting plate (4) is fixed to the rail by two magnets (5). A bolt (10) is insertedthrough the mounting plates (4), resilient layers (9) and oscillation masses (8)alternatively. The bolt (10) is fixed to a middle mounting plate (4) such that differentcompressive forces can be provided on the two sides by tightening nuts (11) to differentpre-set torques. When the resonance frequency of the oscillation masses (8) is tuned tothat of rail, most of the rail vibration energy at resonance frequency is transferred to theoscillation masses (8) and eventually dissipated in the resilient layers (9).
申请人：HO WAI LUN
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