Micro-bubble generator, vortex breakdown nozzle for micro-bubble generator, vane swirler for micro-bubble generator, micro-bubble generating method, and micro-bubble applying device
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United States of America Patent
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Aug 16, 2011
Grant Date -
Aug 21, 2008
app pub date -
Nov 17, 2005
filing date -
Jan 13, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There is provided a micro-bubble generator including a swirling-flow generating vane nozzle and vortex breakdown nozzle connected coaxially to each other. The swirling flow generating vane nozzle produces a swirling flow of a liquid having a gas introduced to the center thereof from a gas feeding unit. The swirling flow is supplied to a flow constricting section included in the vortex breakdown nozzle to provide micro bubbles from a vortex breakdown section also included in the vortex breakdown nozzle.
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