| 摘要 |
PURPOSE: An automatic pump is provided to relatively reduce the loss of fluid discharged to an outlet tube through a flow path by allowing the angle between the flow path and the outlet tube to be an obtuse angle. CONSTITUTION: An automatic pump comprises a casing(110), an inlet tube(121), an outlet tube(125), an impeller(130), and a valve(140). The casing has an inner space. The inner surface of the casing is formed in a volute shape. One side of the inlet tube is connected to a water source, and the other side is connected to the inner space of the casing. One sid of the outlet tube is connected to the other end of a flow path(115), and the other side is connected to a used place. The impeller is installed in the inner space of the casing and forcefully discharges fluid to the outlet tube. The valve connects or blocks the flow path and the outlet tube.
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