Pneumatic spreader

Details Pneumatic spreader Pneumatic spreader

A - Human Necessities

01

C

111/33.1

A01C 15/04 (2006.01)

Patent

CA 1247940

"PNEUMATIC SPREADER" Gerald L. Widmer and Larry J. Gray ABSTRACT OF THE DISCLOSURE A pneumatic spreader for the distribution of materials and a flow distributor for same are disclosed. The spreader includes a distribution chamber having multiple compartments with a gas inlet and material outlet defining a venturi in each of the compartments. The materials are discharged from the distribution chamber and its compartments through first conduits coupled to the respective material outlets and a plurality of second conduits communicating with each of the first conduits for receiving the materials and discharging them to the ground. A flow distributor adjacent the juncture of the first and second conduits equally divides the materials in the first conduit between the second conduits. The flow distributor includes a substantially circular plate having a plurality of openings which communicate to the second conduits and a substantially conical deflector which is adjustable both linearly and is eccentrically rotatable for adjusting the flow between the plate openings. In a second embodiment of flow distributor, a second plate is provided between the deflector and the circular plate and this plate also is movable linearly and is eccentrically rotatable relative to the openings to further adjust the flow through the openings.

476544

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