Pneumatic conveying device

Details Pneumatic conveying device Pneumatic conveying device

1983-12-13

1985-06-25

Nase, Jeffrey V.

Conveyors: fluid current

With diverse power-driven conveyor

Rotary

406 61, B65G 5348

Patent

active

045251061

ABSTRACT:
Apparatus for conveying solid particulate material which takes the form of a line charging device for a pneumatic conveying system. The apparatus is of the type which includes a screw impeller rotatable in a casing for advancing material from a hopper through the casing to a discharge chamber. From the discharge chamber, gas under pressure entrains the material and serves to convey it through an attached conveying line. A pair of diametrically opposed outlets from the casing are provided to introduce material from the casing into the discharge chamber. A normally closed flap valve is operatively associated with each of the casing outlets to aid in establishing a seal of material at the outlet. The use of nozzles between the source of gas under pressure and the conveying line has been eliminated. The inlet for the conveying air and outlet for material being conveyed are interchangeable to permit connection of the source of gas under pressure to either side of the unit and connection of the conveying conduit to either side of the unit.

REFERENCES:
patent: 3106428 (1963-10-01), Lenhart
patent: 3232419 (1966-02-01), Rasmussen
patent: 4109966 (1978-08-01), Boyhont et al.

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