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Active air flow adjustable fan

  • US 8,206,099 B2
  • Filed: 02/14/2008
  • Issued: 06/26/2012
  • Est. Priority Date: 04/27/2007
  • Status: Active Grant
First Claim
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1. A fan, comprisingat least one fan frame, comprising at least two air outlets;

  • at least one impeller disposed in the frame; and

    at least one active flow-control device disposed at the fan frame, for adjusting sizes of at least one of the two air outlets,wherein the active flow-control device is on a tongue of the fan frame and configured to move in a swinging manner to alternatively adjust the sizes of the two air outlets.

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