LOW LEAKAGE FLUE DAMPER
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United States of America Patent
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app pub date -
Jul 22, 2013
filing date -
Jul 24, 2012
priority date (Note) -
Abandoned
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Abstract
A flue damper comprises a damper gate having first and second sides, and first and second seal stops. In one embodiment, a first seal is mounted to the first side of the damper gate and has a free end in sealing engagement with the first seal stop under pressure conditions, while a second seal is mounted to the second side of the damper gate and has a free end in sealing engagement with the second seal stop under the pressure conditions. In an alternative embodiment, the first seal is mounted to the first seal stop and has a free end in sealing engagement with the first side of the damper gate under pressure conditions, while the second seal is mounted to the second seal stop and has a free end in sealing engagement with the second side of the damper gate under the pressure conditions.
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