Gas fired heater
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United States of America Patent
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-
Feb 8, 2000
Grant Date -
N/A
app pub date -
Jul 1, 1997
filing date -
Jul 1, 1997
priority date (Note) -
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Abstract
A gas fired low emission air heater for a cup making machine having a combustion chamber and a venturi block mounted on the inlet end of the combustion chamber and having a tapered venturi passage in the venturi block. An air inlet nozzle is aligned with the venturi passage and an annular gas ring formed around the nozzle for directing gas into the venturi passage. A discharge nozzle is mounted on the outer end of the combustion chamber and a metal matt assembly mounted in the combustion chamber. The metal matt assembly including one or more perforated mixing plates and a metal matt aligned with the mixing plates. A spark plug is mounted in the combustion chamber for igniting the gas/air mixture prior to discharge of the heated air into the cup making machine.
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