Fan structure

Fan structure

  • CN 205,047,539 U
  • Filed: 10/14/2015
  • Issued: 02/24/2016
  • Est. Priority Date: 10/14/2015
  • Status: Active Grant
First Claim
Patent Images

1. a fan structure, is characterized in that, it comprises:

  • Pedestal, has ringwall and containing space, and this ringwall is around this containing space;

    Cover plate, this containing space of shade, this cover plate has opening, and this opening manifests this containing space, and this opening has sidewall;

    AndImpeller, be arranged at this containing space, this impeller has wheel hub and multiple flabellum, the plurality of flabellum connects this wheel hub, axis is longitudinally by the central point of this wheel hub, each flabellum is equal with the spacing of this ringwall, each flabellum has upper end portion and underpart, this opening appears this upper end portion, this underpart protrudes from this upper end portion towards this ringwall direction, this upper end portion has the first end farthest away from this axis, this underpart has the second end farthest away from this axis, this cover plate hides this second end, between this first end and this axis, there is the first radius, between this second end and this axis, there is the second radius, between this sidewall of this opening and this axis, there is the 3rd radius, wherein this first radius is less than the 3rd radius, this second radius is greater than the 3rd radius.

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