Air deflecting mine ventilation structure

Details Air deflecting mine ventilation structure Air deflecting mine ventilation structure

2007-02-27

2007-02-27

Wilson, Gregory (Department: 3749)

Ventilation

Mine

C454S169000

Reexamination Certificate

active

11036493

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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