Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1977-09-06
1978-10-03
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
1510412, 15387, E04H 320
Patent
active
041175646
ABSTRACT:
Oil tank cleaning appartus is disclosed comprising a rotary cutter rotatably mounted on a shaft and operatively connected to impellers to turn the cutter. A conduit is operatively connected to the cutter for leading a fluid away from the cutter. The cutter extends into edges that are pitched in a manner to propel the cutter and conduit when the cutter is rotated. When the cutter and conduit are immersed in an oil tank, oil drawn through the conduit will impinge against the impellers to turn the cutter and thereby provide the torque necessary to cause the cutter to move through sludge in the bottom of the oil tank, the sludge also being taken up through the conduit along with the oil.
The conduit may comprise a flexible conduit having a pair of opposed wires secured along the length thereof, the wires lying in a common plane to prevent the flexing of the conduit in a direction in which the plane extends.
The conduit and the cutter may be mounted on a hollow housing having a plurality of openings positioned next adjacent the cutter, the openings being covered by a cap that partially blocks the openings so that when employed as apparatus for removing sludge from an oil tank the bottom openings are uncovered and the top openings are covered. The cap may comprise a rotary shield having a weight extending therefrom so as to position the shield above the center of gravity of the weight.
REFERENCES:
patent: 2078634 (1937-04-01), Karlstrom
patent: 2332940 (1943-10-01), Senke
patent: 2692752 (1954-10-01), Heiss
patent: 3341880 (1967-09-01), Young
patent: 3872533 (1975-03-01), Proffit
Eichelburg Robert J.
Roberts Edward L.
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