Centrifugal fan

Centrifugal fan

  • CN 102,878,093 A
  • Filed: 11/18/2003
  • Published: 01/16/2013
  • Est. Priority Date: 11/18/2003
  • Status: Active Application
First Claim
Patent Images

1. centrifugal fan, it comprises:

  • One hub section is in order to fix this centrifugal fan in a running shaft;

    AndOne impeller is comprised of a plurality of blades, and the paraxial side of these blades is individually fixed in the outer rim of this hub section, it is characterized in that,Also comprise a junction, form from this hub section bottom outer circumferential face outward radial extension, the paraxial side of this blade is hypsokinesis leaf formula structure, and axle side far away is the leaf formula structure that leans forward, the paraxial side of described blade wind inlet side is a chamfering structure, this chamfering structure is a bent angle or corner cut structure, has the certain level distance between this chamfering structure and this hub section.

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