Apparatus and method for controlling airborne pollution
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United States of America Patent
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Aug 15, 2017
Grant Date -
Sep 24, 2015
app pub date -
Oct 8, 2013
filing date -
Oct 10, 2012
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Abstract
An apparatus for controlling airborne pollution comprises a leeward wall located near a polluted region, and a windward wall located between the leeward wall and the polluted region. The leeward wall and the windward wall are spaced apart so as to define an airflow passageway therebetween. The windward wall extends upwardly to a first wall height. The leeward wall includes an upper portion extending above the first wall height. The upper portion is adapted to direct airflow downward through the airflow passageway towards at least one opening located below the first wall height for exhausting the airflow from the airflow passageway.
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