PNEUMATIC SEPARATING APPARATUS FOR GRAIN CLEANING MACHINE Russian patent published in 2002 - IPC

FIELD: agricultural engineering, flour-mill and feed-mill industry. SUBSTANCE: apparatus has first pneumatic system comprising settling chamber arranged above settling chamber of second pneumatic chamber and is inserted into its upper part. Suction window of cross-flow fan is communicated with settling chamber of second pneumatic system via air supplying chamber. Lower part of air supply channel discharge section of first pneumatic system is communicated with upper part of air supply channel inlet section of second pneumatic system via bypass channel. Leading part of bypass channel intersects end part of first aspiration pneumatic separating channel. Apparatus is used for separating bulk materials by means of air jets. EFFECT: simplified construction and improved grain material cleaning quality. 2 dwg