CABINET CIRCULATOR SOLID FUEL HEATER COMBUSTION SYSTEM
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United States of America Patent
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Issued Date -
Aug 25, 2022
app pub date -
Feb 22, 2022
filing date -
Feb 22, 2021
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Abstract
A solid fuel burning cabinet circular heating appliance achieves improved emissions performance by providing a secondary air combustion path that preheats secondary combustion air. The firebox is selectively insulated such that areas of the firebox that do not preheat combustion air retain heat in the firebox while areas of the firebox that transfer heat into the combustion air transfer heat through the firebox into the incoming combustion air. The exhaust air path from the firebox to a chimney is also uninsulated to allow relatively quick heat transfer into a room in which the appliance is installed
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