Powder sprinkler for dusting vines - has rotor which discharges powder from hopper to ducts through which air is blown to outlet nozzles

摘要

The sprinkler has a hopper (1) in which powder is stored. A rotor (4) in the bottom of the hopper directs the powder past flap valves (2, 3) into discharge pipes having nozzles (5, 6) which can be directed in a desired direction. A fan (4) discharges air into conduits (27, 28) and past ventun nozzles at the outlet from the flap valves. The fan and rotor are driven by the tractor power take off via a gear-box and belt and pulley drive.