Patent ID: 8836156
Filing Date: 2014-09-16
Classification: F03B,F03D,F05B,H02K,Y02E,Y10T

Abstract:
1. A fluid flow oscillator device comprising: 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; wherein curved sheet first major surface direction of 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; and wherein direction of curvature of substantially all of said curved sheet second major surface is the same as said curved sheet first major surface direction of curvature.