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POWERED AIR PURIFYING RESPIRATOR

  • US 20090314295A1
  • Filed: 12/19/2007
  • Published: 12/24/2009
  • Est. Priority Date: 12/19/2007
  • Status: Abandoned Application
First Claim
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1. A powered air purifying respirator, comprising:

  • a housing defining an air inlet and an air outlet;

    a filter assembly operably connected to said housing at said air inlet for removing contaminants from air passing therethrough;

    an impeller/motor assembly contained within said housing for drawing air through said air inlet and through said filter assembly;

    a flow sensor contained within said housing for measuring air flow from said air inlet to said air outlet; and

    a liner contained within said housing for aiding in attenuating a force of impact to said housing, said liner further defining an air pathway from said impeller/motor assembly through said flow sensor and to said air outlet.

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