Conveyors: fluid current – With diverse power-driven conveyor – Rotary
Patent
1995-05-19
1999-01-26
Hoge, Gary C.
Conveyors: fluid current
With diverse power-driven conveyor
Rotary
B65G 5308
Patent
active
058631550
ABSTRACT:
A system for conveying particulate material from a first location to a second location. The system includes an auger rotatably disposed in a cylindrical auger chamber having a discharge end coupled to an inwardly-tapering nose cone. The nose is attachable to an elongate conveying conduit for conveying the particulate material. First and second plenum chambers co-act to inject concentric annular waves of pressurized fluid into the nose cone at an entry point adjacent to the discharge end of the nose cone. The arrangement provides a substantially laminar gas layer which lines the interior surface of the conveying conduit and circumscribes a flowing stream of gas and particulate material to thereby minimize contact of the particulate material with the interior surface of the conveying conduit.
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Study of Pneumatic Conveying Systems Utilizing Laminar Flow/Boundar Air Technology in Loading, Discharging or Transfer of Cargo on U.S. Bulk Carriers, U.S. Department of Transportation--Maritime Administration, Contract No. DTMA91-83-C-30058, Report No. 84052, Oct. 30, 1984.
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