| 摘要 |
PURPOSE: A pump device is provided to certainly divide liquid from gas even though a lot of bubbles are mixed. CONSTITUTION: A pump device includes a mixing amount detecting device(21), an ejector(22) and a pressure sensor(23). The mixing amount detecting device detects a gas amount. Fluid that the mixing amount detecting device discharges from a dividing hole(9) to a dividing chamber passes the ejector. The pressure sensor detects negative pressure generated in the ejector. The second dividing hole is installed in an end of a side to which fluid is inserted in a pipe. The dividing hole is installed in an end of a side through which divided liquid is flown out.
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