Thin type fan structure

Thin type fan structure

CN
  • CN 104,929,959 A
  • Filed: 03/19/2014
  • Published: 09/23/2015
  • Est. Priority Date: 03/19/2014
  • Status: Active Application
First Claim
Patent Images

1. a thin fan structure, is characterized in that, comprising:

  • housing, and have a containing space this containing space centre and protruded out beam barrel, this beam barrel is formed with axis hole;

    Impeller, have wheel hub and stretch out plural flabellum by all epitaxial lateral overgrowths of wheel hub, these wheel hub central authorities are extended with axle center and are hubbed in described axis hole, and a magnetic element is located on the inner circumferential side of this wheel hub;

    Circuit board, is arranged in described containing space, and this board sleeve is located at outside described beam barrel;

    Silicon steel plate, is arranged on described circuit board, and this silicon steel plate has a base portion and this base peripheral has upwards protruded out plural first magnetic-conductance portion, and described base portion and the first magnetic-conductance portion have holding space jointly;

    AndCoil groups, is fixedly arranged in described holding space, and this coil groups has bottom and sidepiece, and be attached on described base portion bottom this, this sidepiece is corresponding with described first magnetic-conductance portion to be sticked.

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