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Room air purifier

  • US 5,277,877 A
  • Filed: 08/06/1991
  • Issued: 01/11/1994
  • Est. Priority Date: 08/06/1991
  • Status: Expired due to Fees
First Claim
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1. A soil bed reactor room air purifier comprising:

  • a base;

    a container having an upper chamber retaining a layer of soil containing aerobic microorganisms, and a lower chamber retaining a water bath;

    means for fitting the container on top of the base;

    means for drawing air from a room into the base; and

    means for passing the air from the base into the container and through the water bath, then through the layer of soil and discharging the air into the room.

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