Fan blade

Fan blade

  • CN 201,318,324 Y
  • Filed: 12/09/2008
  • Issued: 09/30/2009
  • Est. Priority Date: 12/09/2008
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of flabellum assembly comprises:

  • One outer wheel hub;

    One inner wheel hub is arranged at intervals at the inboard of described outer wheel hub with one heart;

    It is characterized in that;

    also comprise several spacer structures, be arranged between described outer wheel hub and the inner wheel hub, between described outer wheel hub and inner wheel hub, to define several containing spaces, removably be provided with at least one balance adjustment piece at least one between this containing space.

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