| 摘要 |
<p>PURPOSE:To eliminate a poppet from a bladder, impose no restrain to the opening cross sectional area of a fluid gateway, and effectively attenuate the fluid pulsation of high frequency waves. CONSTITUTION:A coil spring 6 which has a steel wire 6a wound roughly in a funnel shape, is disposed in the inner side of a fluid gateway 5 while being faced to a bladder 3, and thereby the bladder 3 is caught by the coil spring 6 when fluid is discharged, so that the bladder is prevented from being furthermore swelled out toward the fluid gateway side.</p> |
