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Anti-pollution and anti-germ system

  • US 4,909,161 A
  • Filed: 04/13/1989
  • Issued: 03/20/1990
  • Est. Priority Date: 04/13/1989
  • Status: Expired due to Fees
First Claim
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1. An apparatus for the purification of polluted gases emitted by a polluted gas emitting source connected by a first duct to a chimney having a top outlet, comprising in combination with said first duct and chimney, a fume collector mounted on top of said chimney and having an inlet facing and spaced from said chimney outlet, a gas circulating turbine having an inlet, a second duct connected to said turbine inlet and to said collector, a gas purifiying means connected to the outlet of said turbine, and a by-pass duct by-passing said chimney and communicating said first duct upstream of said chimney and said second duct, said turbine having a gas circulating capacity for a predetermined polluted gas output of said source, sufficient to draw atmospheric air downwardly through said chimney from its top outlet and through said collector and second duct.

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