Fan

  • US 9,568,021 B2
  • Filed: 05/16/2013
  • Issued: 02/14/2017
  • Est. Priority Date: 05/16/2012
  • Status: Active Grant
First Claim
Patent Images

1. A fan for generating an air current, comprising:

  • a body comprising an air inlet; and

    a nozzle connected to the body;

    the nozzle comprising an interior passage for receiving an air flow from the body and at least one air outlet from which the air flow is emitted from the fan, the interior passage extending about an opening through which air from outside the nozzle is drawn by air emitted from said at least one air outlet;

    the body comprising a duct having an air inlet and an air outlet, an impeller located within the duct for drawing the air flow through the duct, and a motor for driving the impeller, the body defining an air flow path extending from the air inlet of the body to the air outlet of the duct;

    wherein the body further comprises a noise suppression cavity located beneath the air inlet of the duct and an annular sound absorbing member located between the duct and the noise suppression cavity, the cavity having an inlet which is located beneath the air inlet of the duct and the annular sound absorbing member is concentric with the inlet of the noise suppression cavity.

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