| 摘要 |
<p>The invention relates to a pressure pulse dampener device comprising a pressure vessel having a movable partition therein defining two chambers, each having a port in communication therewith, one of the ports defining a gas port for charging of one of said chambers with gas under pressure and the other an oil port, said oil port having a hollow fitting rigidly secured at one end thereto, said fitting having an inlet port and an outlet port, the fitting having means therein defining a tortuous path for oil under pressure from said inlet port to said outlet port, the oil port being in communication with the tortuous path and means are provided in the fitting to afford a direct path from said inlet port to the outlet port for a portion of the oil under pressure entering the inlet port.</p> |
