CHAMBER FEEDER OF BLOWING AIR-ACTUATED TRANSPORTING UNIT Russian patent published in 1997 - IPC

FIELD: air transporting of loose materials. SUBSTANCE: feeder has receiving chamber 1, relief pipe line terminated with receiving branch pipe 3 in the bottom portion of chamber 1, and delivery nozzle 4 with air supply passages 11 that is mounted in the bottom portion of chamber 1 as well. The air supply passages are inclined to the axis of chamber 1 and bottom 13. Delivery nozzle 4 is made up as sleeve 6 provided with air distributing openings 7 and assembly of caps 8. Air supply passages 11 is formed by conjugated surfaces 10 of caps 8 that are separated by controllable locking members 9. EFFECT: improved design. 2 dwg