Centrifugal fan

Centrifugal fan

  • CN 101,392,762 A
  • Filed: 09/21/2007
  • Published: 03/25/2009
  • Est. Priority Date: 09/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. centrifugal cutter, comprise a base plate and the sidewall that extends to form by this base plate periphery, offer an exhaust outlet on this sidewall, this sidewall closes on the inwardly outstanding tongue that forms in this exhaust outlet place, at least one perforate is set in the middle of this base plate, in perforate inside one supporting portion is set, it is characterized in that:

  • stretching out over against this tongue from this supporting portion forms a rib that connects supporting portion and base plate, and this rib is widened to tongue gradually from the supporting portion.

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