POWER CONSUMPTION CONTROL DEVICE FOR VACUUM PUMP

摘要

PROBLEM TO BE SOLVED: To provide a power consumption control device for controlling power consumption of a vacuum pump that controls power consumption of a vacuum pump and can reduce installation cost and maintenance cost.SOLUTION: A power consumption control device 1 for a vacuum pump includes: a first cylindrical body 10 and a second cylindrical body 20; a check valve 30 interposed between the first cylindrical body and the second cylindrical body to suck a discharge side of the vacuum pump; and an ejector 40 that is operated for sucking the discharge side of the vacuum pump. The ejector is connected to the first cylindrical body and the second cylindrical body so as to be communicated to each other.SELECTED DRAWING: Figure 2