Flue baffle for gas-fired hot water tanks
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United States of America Patent
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Aug 13, 1996
Grant Date -
N/A
app pub date -
Jun 20, 1995
filing date -
Jun 20, 1995
priority date (Note) -
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Abstract
A flue baffle for use in a hot water tank flue through which flue gases from a burner chamber are discharged. The baffle is comprised of an elongated flat undulated metal strip having a securable flat upper end. The undulated metal strip is shaped to define a plurality of integrally formed, wave-shaped, deformations on opposed side portions of a central longitudinal axis thereof. A narrower undulated metal band is secured to the metal strip on opposed sides thereof and disposed substantially midway between the wave-shaped deformations on opposed sides of the flat metal strip. The upper end of the strip is adapted to retain the flue baffle axially within the flue to create turbulence and resistance to hot flue gases rising from the burner chamber to enhance heat exchange between the flue and a liquid being heated and in direct contact with an exterior surface of the flue.
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