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公开(公告)号：US20210023513A1
公开(公告)日：2021-01-28
申请号：US17045589
申请日：2019-04-25
发明人： Ryo Takabayashi
摘要： A bubble generating device is disclosed which includes: a bubble generator including a tubular body, a liquid introduction port, a gas introduction port, and a discharge port; and a gas supply unit including a gas supply port, a pressurized gas being supplied to the bubble generator through the gas supply port, wherein the flow passage of the bubble generator extends substantially along a same axis, a plurality of reduced diameter portions each having an inner diameter reduced are provided along a direction along which the liquid flows, and gas-liquid mixing portions are provided downstream of the respective reduced diameter portions in a contiguous manner, each of the gas-liquid mixing portions having an inner diameter larger than a minimum inner diameter of each of the plurality of reduced diameter portions, and the gas introduction port of the bubble generator is formed of a plurality of through holes.
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公开(公告)号：US11772057B2
公开(公告)日：2023-10-03
申请号：US17045589
申请日：2019-04-25
发明人： Ryo Takabayashi
IPC分类号： B01F23/2375 , B05B7/04 , B01F25/314 , B01F23/232 , B01F25/433 , B01F23/2326
CPC分类号： B01F23/2375 , B01F23/232 , B01F23/2326 , B01F25/3141 , B01F25/4335 , B01F25/4338 , B05B7/0483
摘要： A bubble generating device is disclosed which includes: a bubble generator including a tubular body, a liquid introduction port, a gas introduction port, and a discharge port; and a gas supply unit including a gas supply port, a pressurized gas being supplied to the bubble generator through the gas supply port, wherein the flow passage of the bubble generator extends substantially along a same axis, a plurality of reduced diameter portions each having an inner diameter reduced are provided along a direction along which the liquid flows, and gas-liquid mixing portions are provided downstream of the respective reduced diameter portions in a contiguous manner, each of the gas-liquid mixing portions having an inner diameter larger than a minimum inner diameter of each of the plurality of reduced diameter portions, and the gas introduction port of the bubble generator is formed of a plurality of through holes.
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