AIR EXCHANGE DEVICE
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United States of America Patent
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Jun 20, 2014
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Sep 26, 2013
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Abstract
An air exchange device includes: an air-guiding tube having a first end and a second end opposite to the first end, the first end having a first inlet and a first outlet, and the second end having a second inlet and a second outlet; a partition settled inside the air-guiding tube and dividing a room inside the air-guiding tube into a first air-guiding space and a second air-guiding space, the first air-guiding space communicating with the first inlet and second outlet, and the second air-guiding space communicating with the first outlet and the second inlet; a fan arranged with the air-guiding tube and adapted to induce an airflow; and a control module connecting with at least one of the first and second ends of the air-guiding tube and electrically connecting with the fan.
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