Patent ID: 9683745
Date: 2017-06-20
CPC Classifications: F23B,F23L,F23N,F24B

Claim:
1. A small, high efficiency wood stove, including: a. a hollow cylindrical outer skin, said outer skin includes top opening and a lower opening; b. a top plate mounted of said top opening of said outer skin; c. a bottom base attached over said bottom opening of said outer skin; d. a stove pipe opening formed on said outer skin near said top opening; e. a longitudinally, coaxially aligned, hollow primary fire box located inside said outer skin, f. a longitudinally, coaxially aligned hollow secondary fire box located inside said outer skin and above said primary fire box, said secondary fire box configured to receive hot gases from said primary fire box; g. an inward extending ledge located inside said outer skin and above said primary fire box; h. a layer of insulation located between said outer skin and said primary fire box; i. a lower air cavity formed inside said outer skin and below said primary fire box; j. at least two longitudinally aligned air conduits extending from said lower air cavity to said ledge; k. a combustor assembly located inside said outer skin and between said primary fire box and said secondary fire box, said combustor assembly configured to enhance mixing of fresh air delivered by said air conduits and hot gases from said primary fire box and partially impede the flow of fresh air and hot gases into a secondary combustion chamber located above said combustor assembly; and, l. an adjustable damper plate to control the flow of fresh air into said primary fire box and said secondary fire box.