发明授权
US09341271B2 Drive device of a regulation valve for casting liquid metal 有权
用于铸造液态金属的调节阀的驱动装置

Drive device of a regulation valve for casting liquid metal
摘要:
A device for driving a regulation valve for casting liquid metal contains a main rod controlling the opening and closing of the valve, and a coupler linking the main rod and the valve. The device also contains a coupler controller able to activate and deactivate the coupler, enabling linkage and detachment of the main rod and the valve.
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