| 摘要 |
PURPOSE: A check valve dash port cylinder is provided to absorb impact applying for a valve disc of the check valve by counter flow of transmission fluid. CONSTITUTION: A rotary shaft(2) is installed and passes through the upper side of a conduit or a pump outlet side in a width direction. A valve disc(1) opens and closes the conduit line and is connected to the rotary shaft. A working cylinder(3) is operated according to the opening and closing of the valve disc and connected to the rotary shaft. The closing speed of the valve disc is gradually decreased.
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