Gas-fired infrared burner
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United States of America Patent
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Jun 29, 2021
Grant Date -
Dec 31, 2020
app pub date -
Jun 27, 2019
filing date -
Jun 27, 2019
priority date (Note) -
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Abstract
A gas-fired, powered infrared burner unit comprising a perforate distribution plate configured as a tray and a porous foam metal burner element carried in the tray, the combination overlying the open top of a plenum box and sealingly fastened to an edge flange of said box by a retainer having a surrounding flange fastened to the plenum box flange by welding, staking or other means so as to eliminate the need for a gasket. The foam metal medium is constructed of a foam metal alloy to have a pore size of 1000 micros±5%, and produce, along with the perforations in the distribution tray, a port loading of between about 850 and 1,000 BTU/in2.
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