DEVICE TO FEED LOOSE MATERIALS INTO POSITIVE PRESSURE PNEUMATIC TRANSPORT UNIT Russian patent published in 2010 - IPC B65G53/08 B65G53/48 

FIELD: material handling.

SUBSTANCE: proposed device comprises cylindrical housing (1) with inlet (2) and outlet (14) branch pipes and vertical drive shaft (4) supporting auger (3) and rotor (9) with vanes (11) rigidly fitted thereon. Fixed cylindrical insert (6) with cutout (8) in insert lower part, made opposite the outlet branch pipe, is mounted aligned with aforesaid housing. Note here that cutout height equals that of the rotor. Said cylindrical cutout accommodates fixed plane (7) inclined to said cutout at the angle exceeding that of external friction of carried loose material. Aforesaid auger is mounted in inlet branch pipe.

EFFECT: operation in pneumatic transport unit at high air pressure and reduced drag.

2 dwg