Variable secondary air intake device
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United States of America Patent
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Oct 25, 2016
Grant Date -
Oct 22, 2015
app pub date -
Apr 22, 2014
filing date -
Apr 22, 2014
priority date (Note) -
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Abstract
A variable secondary air intake device has a baffle member adapted to be attached within an upper area of a fire chamber of the firebox. The baffle member includes a top having a channel member hole therethrough, side walls, a bottom having a plurality of small holes therethrough, and a gas exit opening having side walls and extending through the top and bottom. A hollow chamber member adapted to be placed upon a top surface of the baffle member, the hollow chamber member includes a top having a channel member hole therethrough, and side walls extending downward from the top and forming a chamber having a periphery that includes a plurality of gas exit holes therethrough.
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