PNEUMATIC FEEDER Russian patent published in 1997 - IPC

FIELD: proportioned pneumatic feed of loose materials; feed of cut fibrous materials. SUBSTANCE: pneumatic feeder uses vertically installed cylindrical case 1 with outlet branch pipe 2 in the upper part and central pipe 3 located in the case, disk baffle plate 5 is secured above upper outlet 4 of central pipe 3. An agitator in the form of nozzle 6 is positioned in the gap between baffle plate 5 and outlet 4. Pipe 3 and nozzle 6 are linked with the axial movement drive, and nozzle 6 is additionally linked with the rotary motion drive. Lower inlet 7 of pipe 3 passing through the bottom of case 1 communicates with the air source - atmosphere, and outlet branch pipe 2 of case 1 is connected to the fan suction branch pipe. The case inner walls are furnished with fibre catching elements 8. EFFECT: enhanced efficiency. 2 cl, 1 dwg