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Centrifuge with impellers and beach feed

  • US 7,018,326 B2
  • Filed: 04/05/2003
  • Issued: 03/28/2006
  • Est. Priority Date: 08/31/2000
  • Status: Expired due to Term
First Claim
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1. A centrifuge for separating feed material into solid and fluid parts, the centrifuge comprisinga rotatable housing,a conveyor rotatably mounted in a rotatable housing, the conveyor having a longitudinal axis and an interior and at least one impeller, said at least one impeller having an impeller length, the conveyor having conveyor openings therethrough through which material is passable,the rotatable housing having a separating region comprising a pool area and a beach area exterior to the conveyor and between the conveyor and the rotatable housing so that rotational speed is impartable to said feed material by said at least one impeller prior to treatment in said separating region, and so that said at least one impeller spreads feed material onto said beach area, the beach area having a beach length, the conveyor having a plurality of the conveyor openings adjacent the beach area,the at least one impeller spreading feed material onto the beach area adjacent the length of the at least one impeller, andwherein the at least one impeller is a plurality of interconnected impellers comprising accelerator apparatus, the accelerator apparatus removably disposed within the conveyor,a central nose apparatus having an end plate and a central nose member projecting from the end plate,the central nose member positioned within the plurality of interconnected impellers, andthe end plate secured to the plurality of interconnected impellers.

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