Fire constructions
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United States of America Patent
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Nov 19, 2019
Grant Date -
Jun 30, 2016
app pub date -
Jul 10, 2014
filing date -
Jul 18, 2013
priority date (Note) -
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Abstract
A fire construction (10) comprising a firebox (12) defining a combustion chamber (14) in which fuel (not shown) can be burnt, a first air supply means (16) for delivering air into the combustion chamber (14) to support combustion of fuel therein, and a second air supply means (18) for supplying additional air to support combustion of fuel within the combustion chamber (14), the second air supply means (18) comprising a supply conduit (20) connecting the combustion chamber (14) with an air supply (22), the supply conduit (20) having a cross section (24) that increases as the supply conduit (20) opens into the combustion chamber (14).
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