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CENTRIFUGAL FAN

  • US 20180187693A1
  • Filed: 12/14/2017
  • Published: 07/05/2018
  • Est. Priority Date: 12/30/2016
  • Status: Active Grant
First Claim
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1. A centrifugal fan, comprising:

  • a housing, including an upper cover and a lower cover;

    an impeller including a hub, the impeller is configured in the housing and configured to rotate around a rotation axis;

    a plurality of blades, connected to a peripheral surface of the hub; and

    at least one air guiding structure connected to the blades, an angle between the air guiding structure and the rotation axis increases along with a distance in the direction away from the hub.

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