To solve problems that air is removed in the case that a large amount of the air is mixed in a fed liquid by a conventional separation method of a bubble removing apparatus, the apparatus is made large in scale due to the complication of a configuration and the amount of removable air is limited, etc.
The liquid is injected to a container provided with an opening at the upper part of the apparatus and a gas is removed by the buoyancy of bubbles. The liquid is poured into the container, a liquid discharge valve at the bottom part is filled with the liquid, and when exceeding a stipulated liquid level, a float surfaces to open the linked liquid discharge valve and only the liquid is discharged. When a discharge pressure is insufficient by the atmospheric pressure, the float surfaces further to close the opening at the upper part and an injection pressure is used for discharging the liquid. The inner diameter of a liquid discharge port and a connecting tube is set to such a size that the using liquid can stay without a gap by surface tension, and the liquid is sent out without mixing-in of the gas in the middle.
YANO TAKAKAZU
FUKUDA MASAHIRO
SUGIURA YOSHIHARU
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