Pneumatically-operated machine for spreading granular material

Details Pneumatically-operated machine for spreading granular material Pneumatically-operated machine for spreading granular material

A - Human Necessities

01

C

275/12, 111/33.1

A01C 7/20 (2006.01) A01C 7/08 (2006.01) A01C 15/04 (2006.01)

Patent

CA 1098926

A B S T R A C T A pneumatically-operated machine for spreading gruanular material, such as seed, fertilizer, or the like, with a metering unit connected to a storage receptacle and fitted with an inlet hopper, with a rotating annular receptacle for the material to be metered, with stationary deflecting walls leading to discharge apertures and a central opening communicating with an air-line with an ejector unit, connected to the metering unit and opening into the supply line for the metered material, through which the said material is passed to the actual distributors, characterized in that the ejector unit is arranged below the central opening and consists of a central air supply with two substantially hori- zontal venturi nozzles adjoining collector nozzles at the ends of the main supply lines running to the main distributors.

309481

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