Horizontal scroll screen centrifuge
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United States of America Patent
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-
May 18, 2004
Grant Date -
Dec 25, 2003
app pub date -
Jun 25, 2002
filing date -
Jun 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A horizontal centrifuge has a basket rotatably mounted within a housing. The basket has a plurality of rings disposed between open and closed ends of the basket and a plurality of guide rails circumferentially spaced with respect to the rings. The guide rails have respective lengths extending between the open and the closed ends of the basket and provide a plurality of respective bearing surfaces. A tubular screen is supported in the basket by the plurality of bearing surfaces of the guide rails. A scroll with helical screw flights is also rotatably mounted within the basket. In various aspects of the invention, the tubular screen is made from six arcuate screen segments; the bearing surfaces of the guide rods and the peripheral edges of the helical screw flights are machined surfaces; and the scroll is fabricated.
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