| 摘要 |
<p>A damper for oscillating machines consisting of a cylindrical external casing (1) on the internal wall of which suitable circumferential gaskets (7,8) are fixed, which are appropriately spaced each other and of a cylindrical piston (9) suitably sliding inside said external cylindrical casing, the latter having on its walls longitudinal slits (3,4), is described. <IMAGE></p> |
