Rock duster apparatus

Details Rock duster apparatus Rock duster apparatus

1983-07-25

1985-09-03

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406144, 406153, B65G 5340

Patent

active

045389411

ABSTRACT:
A venturi section positioned in the flow path of pressurized air through a rock dust hopper includes an opening connected to a conduit extending to the axis of the venturi section. Concentric conduits within the venturi section direct the stream of pressurized air directly into intersecting relation with the conduit. The flow of pressurized air immediately below the conduit creates a reduced pressure to induce a continuous flow of rock dust through the venturi section opening and into mixture with the air stream which carries the entrained rock dust from the venturi section for discharge from a nozzle outlet.

REFERENCES:
patent: 1292004 (1919-01-01), Miller
patent: 1407600 (1922-02-01), Stehli
patent: 1730195 (1929-10-01), Davis
patent: 2212158 (1940-08-01), Plavin
patent: 2758564 (1956-08-01), Randall
patent: 3290097 (1966-12-01), Hlinsky et al.
patent: 3306676 (1967-02-01), Gurney
patent: 3333896 (1967-08-01), Diamanti
"Transeald Bulk Rockdusting System", by National Mine Service Co.

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