Micro-bubble generator, vortex breakdown nozzle for...

Gas and liquid contact apparatus – Contact devices – Atomizer type

Reexamination Certificate

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Details

C261S079200

Reexamination Certificate

active

07997563

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.

REFERENCES:
patent: 3423294 (1969-01-01), Sephton
patent: 4224158 (1980-09-01), Molvar
patent: 6382601 (2002-05-01), Ohnari
patent: 7059591 (2006-06-01), Bortkevitch et al.
patent: 7261283 (2007-08-01), Ohnari
patent: 2000-249115 (2000-09-01), None
patent: 2002-143658 (2002-05-01), None
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patent: 2003-126665 (2003-05-01), None
patent: 2003-205228 (2003-07-01), None
patent: 2003-275557 (2003-09-01), None
patent: 2004-000878 (2004-01-01), None
patent: 2004-024931 (2004-01-01), None
patent: 2005-034814 (2005-10-01), None
patent: 01-36105 (2001-05-01), None
PCT/JP2005/021502 International Search Report for corresponding PCT application dated Feb. 28, 2006.
PCT Notification of Transmittal of Copies of Translation of the International Preliminary Report on Patentability dated Jan. 24, 2008.

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