Recycling cooking oven with catalytic converter

  • US 5,927,265 A
  • Filed: 05/27/1997
  • Issued: 07/27/1999
  • Est. Priority Date: 05/27/1997
  • Status: Expired due to Term
First Claim
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1. A recycling cooking oven for cooking at least in part by hot air impingement and providing a substantially closed environment, comprising:

  • (A) a cooking chamber for receiving a stream of hot air from a thermal plenum via a plurality of openings in a top of said cooking chamber, said cooking chamber cooking food therein at least partially with streams of hot air from the plurality of openings and such foods adding oxidizable components to the hot air;

    (B) a thermal plenum located upstream of said cooking chamber and including a heating means for supplying hot air downwardly into said cooking chamber via said plurality of openings;

    (C) means for causing the stream of hot air to circulate in substantially a continuous travel path including said thermal plenum, said plurality of openings and said cooking chamber; and

    (D) a catalytic converter disposed in said continuous travel path of the stream of hot air for flamelessly oxidizing oxidizable components in the hot air of the stream leaving said cooking chamber, thereby both to remove them from the hot air of the stream and to release at least some additional heat energy into the hot air of the stream.

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