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    • 9. 发明专利
    • LIQUID FEEDER WITH LEVEL METER AND METERING METER
    • JP2000111386A
    • 2000-04-18
    • JP31681598
    • 1998-10-03
    • AIURA MASAAKI
    • AIURA MASAAKI
    • B67D7/18G01F13/00G01F23/02B67D5/18
    • PROBLEM TO BE SOLVED: To provide a liquid feeder in which the residual amount inside the circulation container of a liquid can be confirmed, in which the discharge amount in a set amount of the liquid can be confirmed visually, in which the liquid can be pressurized and discharged even to a feed position higher than the circulation container, in which the liquid can be discharged continuously and which can be used when an oil or the like is fed to other devices from the circulation container. SOLUTION: A siphon exit 2 is connected to the lower part of a graduated subtank 3. A siphon pipe 2 is inserted into a circulation container 1. A gas pump 4 is arranged at the upper part of the subtank 3. By using a gas-pump operating lever 16, an evacuation operation and a pressurization operation can be performed. A siphon exit valve 8 is arranged in a siphon exit 7 in the lower part of the subtank 3. A hose 19 is connected to the lower part of the subtank 3 and to a discharge port 11. A discharge valve 10 is arranged. Both valves 8, 10 and the gas-pump changeover lever 16 are operated. A level meter and a flowmeter can be operated. The amount of a liquid in the subtank 3 is ensured. The resdiual amount of the liquid in the subtank 3 is fed reversely when the circulation container 1 is replaced. The liquid can be discharged or the like to a position which is higher than the level of the circulation container 1.