Fan

Fan

CN
  • CN 100,510,425 C
  • Filed: 09/08/2004
  • Issued: 07/08/2009
  • Est. Priority Date: 09/08/2004
  • Status: Active Grant
First Claim
Patent Images

1. fan comprises:

  • One fan frame is for having the framework of a column passage, and these column passage two ends respectively form a wind inlet and an exhaust outlet on this framework;

    One motor base is arranged in this framework;

    One impeller is arranged on this motor base;

    One guiding subassembly is arranged between this framework and this motor base;

    AndAt least one expanding part is arranged at this wind inlet or this exhaust outlet, and increasing the area that air-flow flows into or flows out, and this expanding part links to each other with this framework, and this expanding part is fanned the oblique extension in the outside of frame toward this, and exceeds the outer wall of this framework;

    Wherein, an end of this guiding subassembly connects this motor base, and the other end then is connected on the inwall of this column passage.

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