| 摘要 |
The liquid supply apparatus includes: an inverter converting the frequency of an alternating-current power supply; a pump including an electric motor driven by the inverter; a control part; and the like. The control part includes a physical quantity detection part, a medium control part, and the like. The physical quantity detection part detects a physical quantity concerning the output of the inverter. On the basis of the physical quantity detected by the physical quantity detection part, the medium control part controls at least one of the flow rate and the pressure of the liquid supplied by the pump. |
