Draft tube for wood burning stoves
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United States of America Patent
Stats
-
Sep 16, 1980
Grant Date -
N/A
app pub date -
Jul 28, 1978
filing date -
Jul 28, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A draft tube in a wood burning stove is provided with a nozzle at the lower end thereof for directing a portion of the draft air downwardly against the charge of burning wood, coal, etc. and deflects a portion thereof sideways into a zone above the fuel to provide a more complete combustion of the rising volatiles. The nozzle may be integral with the draft tube or may be attached thereto as an accessory. The nozzle includes a tube having an outside diameter somewhat smaller than the inside diameter of the draft tube to define an annular passage therewith when the nozzle is installed. An annular radial flange is mounted on the outside and at the lower end of the nozzle and in line with the annular clearance whereby the major portion of the air and draft will flow directly downwardly through the nozzle tube while a portion passing through the annular passage will strike the flange and be deflected perpendicularly to the flow of the draft.
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