| 摘要 |
PURPOSE: A water supply device having a buoyancy aspirator is provided to minimize power required for a water supply pump by determining the operation of the water supply pump depending on the pressure state of a water supply place. CONSTITUTION: A water supply device having a buoyancy aspirator comprises a water supply tank(10), a buoyancy aspirator(20), a faucet(40), a water supply pump(50), and a control unit(80). The water supply tank has water supply and discharge ends(11,12) and an air passage(10a). The buoyancy aspirator is installed on the air passage and opens and closes the air passage. The faucet is connected to the water discharge end through a water supply pipe(30). The water supply pump is installed between the faucet and the water discharge end. The control unit controls the operation of the water supply pump.
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