Agitating – Having specified feed means – By suction
Reexamination Certificate
2005-12-13
2005-12-13
Sorkin, David (Department: 1723)
Agitating
Having specified feed means
By suction
C366S181300, C366S264000, C366S317000, C415S098000, C415S102000
Reexamination Certificate
active
06974246
ABSTRACT:
A method and apparatus for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively with the particle inlet and liquid inlet to cause intermixing of the solids and liquids by counterflow of the liquid into the upper impeller region. In one embodiment, expeller blades are employed in inner concentric relation to the upper impeller vanes to accelerate the flow of solid particles into the upper impeller region, and baffle plates or deflector members are employed above and below the upper and lower impellers to prevent any leakage of liquid into the center of the impeller. In preferred and alternate forms, the impeller vanes are sized to balance the point at which the solids and liquid are intermixed.
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Arribau Jorge O.
Dubic Michael G.
Reilly John E.
Sorkin David
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