Gas feature and method
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United States of America Patent
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Oct 22, 2013
Grant Date -
Jun 24, 2010
app pub date -
Dec 21, 2009
filing date -
Dec 24, 2008
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Abstract
Gas fire devices are provided that produce a swirling flame by passive means using the kinetic energy of gas exiting through burner ports located in a burner and the kinetic energy of air drawn through louvers or flaps radially positioned on the base of a plenum. Situated above the burner and plenum is a chimney, which surrounds the flame and may be a translucent or transparent material to help observers better see the flame.
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