| 摘要 |
PROBLEM TO BE SOLVED: To provide a control method for reducing noise of a water-sealed vacuum pump and a sterilization device using a water-sealed pump for reducing noise.SOLUTION: According to a control method to control drive of a water-sealed vacuum pump 10, water in the water-sealed vacuum pump 10 is discharged before starting the operation, and after discharging of the water in the water-sealed vacuum pump 10 is finished, the operation of the water-sealed vacuum pump 10 is started. |
