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Fluid flow energy converter

  • US 9,303,624 B2
  • Filed: 08/29/2014
  • Issued: 04/05/2016
  • Est. Priority Date: 01/11/2012
  • Status: Active Grant
First Claim
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1. A method of making a fluid flow oscillator device comprising;

  • forming a curved sheet structure comprising a curved sheet and a tensioner, wherein said tensioner extends along a leading edge of said curved sheet;

    wherein said curved sheet defines a curved sheet first major surface and a curved sheet second major surface, said curved sheet first major surface opposes said curved sheet second major surface; and

    wherein curvature of substantially all of said curved sheet first major surface points either outward from said curved sheet first major surface away from said curved sheet, or inward from said curved sheet first major surface into said curved sheet;

    wherein said forming comprises at least one of;

    cutting out a “

    V”

    shaped section from a sheet structure to form a V defined by a first edge of said sheet structure a second edge of said sheet structure;

    connecting said first edge to said second edge; and

    folding “

    V”

    shapes in a sheet structure and constraining the sheet structure to maintain the folds; and

    making ring pulls, in which all sheet material in a small region is pulled together, in a sheet structure, and constraining the sheet structure to maintain the ring pulls.

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