Liquid purification or separation – Flow – fluid pressure or material level – responsive
Reexamination Certificate
2005-05-31
2005-05-31
Popovics, Robert James (Department: 1724)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
C210S106000, C210S408000, C210S409000, C210S413000, C210S528000, C210S531000
Reexamination Certificate
active
06899807
ABSTRACT:
A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive chains, each drive chain comprising at least one longitudinally flexible link, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; and, a squeeze assembly, including a cylinder for supporting solids falling from the upper end of the screen, the cylinder provided with a threaded rod that is configured to be driven to rotate by a power member, the threaded rod capable of outputting the solids toward the solid outlet.
REFERENCES:
patent: 5832873 (1998-11-01), Tu
patent: 6357576 (2002-03-01), Enomoto
patent: 6494167 (2002-12-01), Chen
patent: 6695122 (2004-02-01), Enomoto
patent: 2003/0230520 (2003-12-01), Cummings
patent: 2354984 (2002-12-01), None
Oyen Wiggs Green & Mutala
Popovics Robert James
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