Mine face ventilation system

Details Mine face ventilation system Mine face ventilation system

1979-07-06

1980-11-25

Makay, Albert J.

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Fluidic oscillator

98 40N, 239523, E21F 104

Patent

active

042351634

ABSTRACT:
A mine face ventilating method and apparatus are disclosed which serve to supply fresh air from a ventilated crosscut. A duct system containing a blower draws air from the crosscut and expels a jet of air out of a duct in the tunnel. Arcuately shaped troughs located at the end of the duct in the tunnel channel the air to the face of the tunnel. The troughs define an arc of between about 90.degree. and 180.degree. and provide substantially improved air "throw" as compared with conventional tubular ventilation piping.

REFERENCES:
patent: 1173801 (1916-02-01), Hess
patent: 3289567 (1966-12-01), Renner
patent: 3636852 (1972-06-01), Burgess, Jr.
patent: 3712678 (1973-01-01), Amoroso
patent: 4055112 (1977-10-01), Larkfeldt
John B. Kebblish, "Face Ventilation and Dust Control with Continuous Mining Machines", Mining Congress Journal, Aug. 1959, pp. 34-38.

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