| 摘要 |
PURPOSE:To damp and suppress the high-order vibration mode by means of an elastic plate by installing one edge part of the elastic plate between a valve fixing surface and a reed valve and extending the free edge part of the elastic plate so as to be opposed to the concaved part between the valve fixing surface and a valve seat surface. CONSTITUTION:The secondary vibration is generated in a reed valve 8, in addition to the primary vibration by repeating, in a number of times per unit time, the ON/OFF operation of the reed valve 8. However, an elastic plate 7 damps the secondary vibration of the reed valve 8 and suppressed generation of vibration. Particularly, if the effective length of the elastic plate 7 is set more than the half of the effective length of the reed valve 8, the elastic plate 7 suppresses the peak part of the secondary vibration mode, and the effective damping can be achieved. |
