Heat recovery device for exhaust flues

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4596288
SERIAL NO

06706021

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The heat recovery device includes a section of standard flue pipe carrying a single row of a plurality of hollow, cylindrical heating tubes extending diametrically through the flue pipe section and a separate housing defining an air flow chamber surrounding the portion of the flue pipe section containing the heating tubes. A fan inside the housing draws ambient air into the housing and propels a flow of air toward a heated air outlet, both through the heating tubes and over the outer surface of the flue pipe section. A catalytic combustor for reducing air pollutants and potential creosote deposits is mounted in the flue pipe section upstream of the heating tubes. The flue pipe assembly is removably mounted on the housing so it can be removed in the event it fatigues and/or becomes plugged with carbon or creosote deposits during use. A thermostat on the flue pipe section turns the fan on and off when the temperature in the flue pipe section is respectively above and below a predetermined temperature.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNITED STATES STOVE COMPANYCHATTANOOGA, TN5

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Knoch, Darrell G c/o Miracle Heat, Inc. P.O. Box 81, Gladstone, MI 49837 2 10

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