Fire extinguishers – Special applications – For mine
Patent
1987-12-15
1989-02-21
Peters, Jr., Joseph F.
Fire extinguishers
Special applications
For mine
169 45, 299 12, 239654, 239752, A62C 300
Patent
active
048057029
ABSTRACT:
The present invention relates to methods and apparatus for dispersing rock dust within a mine tunnel. The present invention is particularly useful for rock dusting coal mines. A quantity of rock dust is dispersed evenly over the conveyor system which runs through the area of the mine which requires dusting. The apparatus of the present invention comprises a wheeled vehicle having a diesel engine which drives the vehicle. In addition, the diesel engine drives a blower or fan. The vehicle of the present invention is adapted to run along the conveyor system within the mine. As a result, the vehicle runs over the rock dust which is dispersed on the conveyor belt. As the vehicle passes over the rock dust the fan which is associated with the vehicle blows into the rock dust causing the rock dust to disperse from the conveyor belt and to coat the associated interior tunnel. The vehicle of the present invention includes an apparatus for directing the flow of air in such a direction that rock dust leaves the surface of the conveyor in the desired direction.
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patent: 4538941 (1985-09-01), Thorne
Kannofsky James M.
Peters Jr. Joseph F.
Utah Power & Light
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