Transportable air heater
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Dec 22, 2015
filing date -
Dec 22, 2014
priority date (Note) -
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Abstract
A transportable combustion air heater comprises a transportable supporting frame, a housing fixed to the frame, a cylindrical combustion chamber arranged in housing, a cylindrical annular thermal exchange channel formed around the combustion chamber, an external heating chamber defining an annular fume channel around the thermal exchange channel, in which one or more transversal guide walls are arranged in the external heating chamber, which guide walls lengthen flow paths of the fumes in the annular fume channel from fume inlet openings to an exhaust fume opening.
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