Patent ID: 8887745

Claim:
An apparatus operative to at least one of generate and maintain fluid flow through the apparatus, said apparatus comprising a generally cylindrical frame having a frame length, said frame comprising: (a) a first chamber along the frame length, operative to at least one of generate and maintain a first vortex through the first chamber; (b) a second chamber along the frame length, operative to at least one of generate and maintain a second vortex through the second chamber; (c) a first channel along one half of the frame length, wherein the first channel connects a first outer region of the first chamber to a first outer region of the second chamber and is operative to at least one of induce and reinforce the second vortex; and (d) a second channel along the other half of the frame length, wherein the second channel connects a second outer region of the first chamber to a second outer region of the second chamber and is operative to at least one of induce and reinforce the first vortex.