Gas and liquid contact apparatus – Contact devices – Liquid tank
Patent
1977-06-20
1978-10-03
Chiesa, Richard L.
Gas and liquid contact apparatus
Contact devices
Liquid tank
210221P, B01F 304
Patent
active
041184475
ABSTRACT:
The present invention provides novel apparatus for aerating a body of liquid. The apparatus includes a diffuser shell in the form of a substantially tubular, elongate body of a relatively rigid, gas permeable material such as fine pore polyethylene. The diffuser is closed at one end by a first end cap and at the other end by a combination second end cap and gas inlet assembly. The latter is adapted for connection to a source of pressurized gas. Disposed within the hollow interior of the diffuser shell is an elongate housing for containing a suitable ballast. The diffuser shell and ballast housing are dimensioned so that there is an interspace between the external periphery of the ballast housing and the inside of the diffuser shell. The ballast housing is supported at one end by the first end cap, and at the other end by the second end cap and inlet assembly so as to maintain the interspace between the ballast housing and the diffuser shell. Conduit means are used to connect a source of pressurized gas to the inlet assembly.
REFERENCES:
patent: 2502187 (1950-03-01), Wahlgren
patent: 3063689 (1962-11-01), Coppock
patent: 3103788 (1963-09-01), Gross
patent: 3318098 (1967-05-01), Hoddinott et al.
patent: 3491023 (1970-01-01), McCormick
patent: 3644231 (1972-02-01), Maruya et al.
patent: 3785629 (1974-01-01), McKinney
Chiesa Richard L.
Xodar Corporation
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