Air deflecting mine ventilation structure
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United States of America Patent
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Feb 27, 2007
Grant Date -
Aug 3, 2006
app pub date -
Jan 14, 2005
filing date -
Jan 14, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A mine ventilation structure is incorporated at the intersection of first and second intersecting passages in a mine. The ventilation structure comprises a tunnel-forming construction (e.g., a pair of side walls each walling off at least a portion of a respective mouth of a first passage and a deck spanning the side walls and connected thereto). The construction defines a tunnel establishing communication of air from the upstream to the downstream mouth of the second passage. An air deflector is located in the first passage adjacent the tunnel-forming construction for decreasing shock loss associated with the mine ventilation structure, thereby increasing the amount of air flow produced by the mine's ventilation system.
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