Nanofiber filter facemasks and cabin filters

Nanofiber filter facemasks and cabin filters

  • CN 101,318,090 A
  • Filed: 04/25/2008
  • Published: 12/10/2008
  • Est. Priority Date: 04/26/2007
  • Status: Active Application
First Claim
Patent Images

1. filter medium comprises:

  • The filter bed of essence that comprises a plurality of nanofibers;

    AndThe coarse filtration layer that comprises a plurality of microfibres, described coarse filtration layer is attached on the described filter bed of essence,Wherein, described coarse filtration layer is positioned the nearside of fluid flow direction, and described filter bed of essence is positioned the distally of described fluid flow direction.

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