Apparatus and method for producing small gas bubbles in liquids

Details Apparatus and method for producing small gas bubbles in liquids Apparatus and method for producing small gas bubbles in liquids

2006-09-19

2006-09-19

Bushey, Scott (Department: 1724)

Gas and liquid contact apparatus

Fluid distribution

Pumping

C261S076000, C261SDIG075

Reexamination Certificate

active

07108250

ABSTRACT:
An apparatus for creating microbubbles of gas in a liquid. A vertical pipe member is adapted to receive a liquid-gas mixture having gas bubbles of larger diameter therein. A series of horizontally-extending apertures are provided to permit the pipe member to expel such liquid-gas mixture radially outwardly from such pipe member. The expelled liquid-gas mixture may contact the sides of a containment vessel. In a refinement of the invention, a specific relationship is further specified between the exit area of the apertures and the interior cross-sectional area of the pipe member, in order to most suitably convert the gas bubbles in such liquid-gas mixture to microbubbles of a desired small size when expelled under pressure from such pipe member via such apertures. A method of converting gas bubbles in such liquid-gas mixture to gas microbubbles is further disclosed.

REFERENCES:
patent: 2003/0183584 (2003-10-01), Galatro et al.
patent: 2004/0217068 (2004-11-01), Kirby
patent: 2005/0072299 (2005-04-01), Thomas

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