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CENTRIFUGAL SEPARATOR FOR FIBROUS MATERIAL

  • US 3,672,503 A
  • Filed: 05/15/1969
  • Issued: 06/27/1972
  • Est. Priority Date: 05/15/1968
  • Status: Expired due to Term
First Claim
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1. A centrifugal separator for separating relatively course fibers from relatively fine fibers comprising a spiral-shaped body, said body being provided with a tangentially disposed inlet passage for the entry of an air current carrying fibers for separation and a tangentially disposed outlet passage on the opposite side of said body from said inlet passage, a plurality of movable vanes disposed in a semi-circular arrangement within said body, extending between said inlet and outlet passages and separating the interior of said body into an outer spiral passage and an inner circular passage, a central outlet passage communicating with said inner passage and disposed perpendicular to the plane of said inlet and outlet passages, and means for independently adjusting each vane to provide an air current path for recycling certain fibers from said outer passage to said inner passage and back to said outer passage.

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