Thin fan structure

  • US 20090016914A1
  • Filed: 07/09/2007
  • Published: 01/15/2009
  • Est. Priority Date: 07/09/2007
  • Status: Active Grant
First Claim
Patent Images

1. A thin fan structure comprising:

  • a driving unit having a base, a coil circuit board disposed on the base and a shaft; and

    a rotating unit having a bearing, a fan blade, a magnet and an iron-containing metal sheet, wherein the bearing has an outer ring and an inner ring, the fan blade, the magnet and the iron-containing metal sheet are fixed at the outer ring of the bearing, the inner ring of the bearing is fixed at the shaft of the driving unit and the coil circuit board of the driving unit may drive the rotating unit to turn around.

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