Cooling fan

Cooling fan

  • CN 101,548,110 A
  • Filed: 12/05/2007
  • Published: 09/30/2009
  • Est. Priority Date: 12/11/2006
  • Status: Active Application
First Claim
Patent Images

1. a cooling fan is characterized in that, comprising:

  • The hub portion that bottom tube-like is arranged;

    And be arranged at the outer circumferential face of described hub portion, with radial to a plurality of blades that radially extend,More be provided with the ring portion that each blade is linked mutually at front end by radially inner side than described blade.

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