Centrifugal fan

Centrifugal fan

  • CN 101,392,762 B
  • Filed: 09/21/2007
  • Issued: 08/22/2012
  • Est. Priority Date: 09/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. centrifugal cutter;

  • Comprise a base plate and, offer an exhaust outlet on this sidewall that this sidewall closes on the inwardly outstanding tongue that forms in this exhaust outlet place by the sidewall that this base plate periphery extends to form;

    At least one perforate is set in the middle of this base plate;

    In perforate set inside one supporting portion, it is characterized in that;

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

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