Fan

  • US 9,568,006 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 rotating the impeller about a rotational axis, 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 an annular guide member extending about the duct for guiding air from the air inlet of the body to the air inlet of the duct, and wherein the guide member defines with the duct at least part of an annular noise suppression cavity, wherein an inlet of the noise suppression cavity is at least partially defined by the guide member and is located at a lowermost extremity of the noise suppression cavity between the air inlet of the duct and the guide member.

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