Flue baffle for gas-fired hot water tanks

Details Flue baffle for gas-fired hot water tanks Flue baffle for gas-fired hot water tanks

1995-06-20

1996-08-13

Kamen, Noah P.

Liquid heaters and vaporizers

Flue

Vertical

122 131, 122 442, 122 17, F22B 700

Patent

active

055446256

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.

REFERENCES:
patent: 953958 (1910-04-01), Kelly
patent: 1859745 (1932-05-01), Morley
patent: 4742800 (1988-05-01), Eising
patent: 4953510 (1990-09-01), Akkala et al.

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