| 摘要 |
PURPOSE:To improve response, by a method wherein a hydraulic chamber and a hydraulic line are interconnected through a branch pipe, and the inner chamber of the branch pipe is set to 0.3-20% of the length of the branch pipe. CONSTITUTION:A hydraulic chamber 10 and a hydraulic line 4 are interconnected through a branch pipe 12 having a throttle 11, and the inner diameter of the branch pipe 12 is set to the 0.3-20% of the length of the branch pipe. This, even if the hydraulic chamber 10 is located away from the hydraulic line 4, permits effective absorption of pulsation due to a characteristic value at the interior of the hydraulic line 4, enables an unstable phenomenon to be prevented from occurring to a hydraulic servo system, and permits improvement of response.
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