Fluid blending utilizing either or both passive and active mixing

  • US 7,267,477 B1
  • Filed: 10/07/2004
  • Issued: 09/11/2007
  • Est. Priority Date: 10/07/2004
  • Status: Active Grant
First Claim
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1. A fluid blending apparatus comprising:

  • a containment defining a chamber having first and second spaced walls and a peripheral wall between said first and second walls, said containment including a fluid inlet channel and a fluid outlet from said chamber, said inlet channel tangentially oriented relative to said peripheral wall of said chamber and opening thereat so that fluid entering said chamber has a primary vortical flow circulation direction within said chamber, said containment having at least a first barrier defined in said chamber oriented between said first and second walls and spaced from said peripheral wall of said chamber to define interconnected inner and outer chamber portions, said containment further including a fluid insertion channel angularly oriented relative to said inlet channel and opening to said inlet channel at a point adjacent to said chamber; and

    a plurality of blades arrayed at said inner chamber portion between said first and second walls.

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