Industrial Fans
Below are six of the more popular design of industrial fans:
Vortex or Regenerative Blowers
The vortex or regenerative blower is another unique type of centrifugal fan. Here the airflow circles around in an angular, torus-shaped space, similar to the shape of a doughnut. On one side of the torus are rotating fan blades, throwing the air outwards. The airflow is then guided back inward by the other side of the torus so that it must re-enter the inner portion of the rotating blades.
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