Ultrafine bubble generator
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United States of America Patent
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Sep 19, 2023
Grant Date -
Feb 23, 2023
app pub date -
Jan 29, 2021
filing date -
Feb 6, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A fine bubble generator which is an ultrafine bubble generator includes a side wall whose inner face is cylindrical, and closing walls closing both ends of the side wall, respectively, with a gas-liquid discharge port in one of the closing walls, wherein a fluid inlet port is provided closer to the gas-liquid discharge port than is a midpoint between both closing walls, and the fluid inlet port penetrates the side wall in a tangential direction of the inner face of the side wall, wherein a spiral groove is formed in the inner face of side wall, and wherein the spiral groove has an angle of inclination of 1° to 10°.
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