GRAIN DRYER FILTERING APPARATUS AND METHOD
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United States of America Patent
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Feb 3, 2017
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Feb 4, 2016
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A grain dryer filtering apparatus includes a filter positioned near the inlet of the exhaust fan of the dryer, and a nozzle positioned near a portion of the filter. The nozzle is part of a rotary head. Attached to the rotary head is a vacuum source. The grain dryer also includes a head mover attached to the nozzle. The head mover moves the nozzle over other portions of the filter to remove material captured by the filter media. A method of filtering the exhaust from a grain dryer includes placing a filter near the input of an exhaust fan, capturing material at the filter media, and removing at least a portion of the captured material from the filter as the exhaust fan operates using a vacuum.
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