Pneumatic grain conveyor system for supplying seeds from central storage container to small intermediate container, has air escaping region found in outer radius region of conduit section and between central- and intermediate containers

摘要

The system has a supply conduit (10) comprising an air escaping region (20) for temporary discharging of promotion air that stands under over-pressure. The air escaping region is found in an outer radius region (24) of a curved conduit section (26) of the supply conduit and between the central reservoir and an intermediate container (12). The air escaping region is designed as convex curved surfaces with multiple round openings and as a planar metal sheet wire (30), where the escaping region is smaller than diameter of a grain to be conveyed.