Vent extender method having intake air option for conveying ventilation to close proximity of a fume and odor source
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United States of America Patent
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Aug 7, 2018
Grant Date -
N/A
app pub date -
May 17, 2005
filing date -
May 17, 2005
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Abstract
One vent extender method comprises providing the underside of an over-the-range type vent hood with an exhaust enclosure having an outlet opening and at least one inlet opening. The outlet opening is disposed upstream to the existing exhaust fan. An exhaust ducting system comprises a tube having a downstream end attachable to an inlet opening and an upstream end attachable to a first canopy. The exhaust ducting system delivers the suction power of the exhaust fan closer to the fume and odor source and guides the vapors toward the outlet opening of the enclosure. An improved method comprises the use of an intake ducting system enveloping the exhaust ducting system for delivering intake air right to the periphery of the cooking vessel. Another improvement comprises the use of a double-walled canopy with two separate top openings for connecting to an exhaust power source and an intake air source.
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