Patent ID: 7073985

Claim:
A system for pneumatically conveying a bulk particulate material comprising: means for holding said material, having an inlet and an outlet; a first material transport line segment including a material flow passageway having an inlet communicating with said outlet of said material holding means; a second material transport line segment including a material flow passageway having an inlet communicable with the outlet of the material fluid passageway of said first segment; a third material transport line segment including a material flow passageway having an inlet communicable with the outlet of the material flow passageway of said first segment and an outlet communicating with the inlet of said material holding means; means for selectively communicating said material flow passageway of said first segment with one of the material flow passageways of said second and third segments; and means for inducing flow of material in said passageways, causing material introduced therein from said material holding means to be impelled through said passageway of said first segment and selectively through said passageways of said second and third segments.