Countercurrent-proof device and fan components

Countercurrent-proof device and fan components

  • CN 101,191,501 A
  • Filed: 11/23/2006
  • Published: 06/04/2008
  • Est. Priority Date: 11/23/2006
  • Status: Active Application
First Claim
Patent Images

1. one kind prevents backflow device, is applied to a fan, comprising:

  • One framework has at least one fixing part of an opening;

    At least one clamping structure is connected with this framework, and is fastened in the fan frame of this fan;

    AndAt least one non-return sheet is coupled to this fixing part, and covers this opening.

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