| 摘要 |
PROBLEM TO BE SOLVED: To provide a vent conduit device for selectively discharging pressurized fluid from an actuator in an electric hydraulic system when a machine engine is stopped. SOLUTION: This device is provided with a pressure storage device in parallel to a pressurized pilot fluid source, and an electric control valve capable of moving the pressure storage device to a position where it is connected to an electric hydraulic direction control valve when the machine engine is stopped.
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