Liquid purification or separation – With movable support – Float
Patent
1991-01-25
1992-05-26
Silverman, Stanley S.
Liquid purification or separation
With movable support
Float
261 92, 261120, C02F 700
Patent
active
051165015
ABSTRACT:
There is disclosed a paddlewheel aerator drive mechanism in an electric motor powered float mounted paddlewheel aerator for fish farms or similar applications, including a rugged lightweight frame with foam flotation elements and a rotatable multi-paddle rotor at least about three feet in diameter with the paddle rotation path extending substantially below the water line. One end of its shaft is secured in the wall of a substantially water tight drive box assembly. Extending into the drive box assembly parallel to and generally opposite the paddlewheel rotor shaft is a shaft of an electric motor, also mounted on the frame. A speed reduction chain drive inside the drive box couples the motor shaft to the paddlewheel rotor shaft and includes at least two conventional drive chains, a small sprocket on the motor shaft, a large sprocket on the paddlewheel rotor shaft, and intermediate large and small sprockets on an intermediate shaft mounted in intermediate shaft bearings on an intermediate bearing take-up pedestal secured inside the chain drive box which has a removable cover with a substantially watertight seal. The arrangement of the chain drive box assembly and the chain drive therein is such that moderate flexing of the overall structure does not strain the chain drive or adversely affect its operation.
REFERENCES:
patent: 3452873 (1969-07-01), Blough
patent: 3466241 (1969-09-01), Simpson
patent: 3561738 (1971-02-01), Galeano
patent: 3595538 (1971-07-01), Baumann
patent: 4385987 (1983-05-01), McGinley et al.
patent: 4439164 (1984-03-01), Daugherty
patent: 4908131 (1990-03-01), Moore
House Manufacturing, Inc.
Keegan Robert R.
Silverman Stanley S.
Upton Christopher
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