Pneumatic seed drilling machine

摘要

The drilling machine includes an air supply pipe (5) leading from the blower (3) to the dosing device (6) and a supply line (10) leading to the distributor (11) which has several outlets (12). A further air supply line (21) is connected to a collecting unit (20) which has connections (19) to the branch pipes (15) and which is connected to the seed container (2) by a return line (22). Return pipe to seed container opens into same above filling level (26) of seed.