Gas and liquid contact apparatus – Contact devices – Liquid tank
Patent
1995-11-07
1997-01-21
Miles, Tim R.
Gas and liquid contact apparatus
Contact devices
Liquid tank
261123, 2102422, B01F 304
Patent
active
055956912
ABSTRACT:
An air supply apparatus for pond fisheries which includes a framework, the framework consisting of two upright tubes, two extension tubes respectively and slidably inserted into the upright tubes, lock means to lock the extension tubes in the upright tubes at the desired elevation, a top transverse rack connected between the extension tubes at a top side, a bottom cross tube connected between the upright tubes at a bottom side by bends, and a cross bar connected between the upright tubes above the bottom cross tube; float means fastened to the top transverse rack for supporting the framework in water in a rearing pond; an air pump means mounted on the top transverse rack, and having an air output port connected to the bottom cross tube by an air tube; a plurality of air distributors respectively connected to the bottom cross tube for permitting air to be forced from the air pump means into water in the rearing pond in the form of air bubbles; and a baffle assembly adjustably fixed to the framework above the bottom cross tube at the desired elevation for detaining upward movement of air bubbles.
REFERENCES:
patent: 302326 (1884-07-01), d'Heuyeuse
patent: 3193260 (1965-07-01), Lamb
patent: 4863644 (1989-09-01), Harrington et al.
patent: 5054422 (1991-10-01), Nojimi et al.
patent: 5354457 (1994-10-01), Beechi
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