Patent ID: 6609468
Filing Date: 2003-08-26
Classification: A01C

Abstract:
A product on demand delivery system for agricultural product, said system comprising:a frame; a main hopper mounted on the frame, the main hopper having a nozzle assembly into which product in the main hopper is directed, the nozzle assembly having an upstream sidewall, a downstream sidewall and a bottom; a plurality of application units are mounted to the frame, each application unit is provided with a product meter and an applicator for applying the product to a field, each product meter is coupled to the nozzle assembly by a product supply hose, each product supply hose is provided with a product outlet that is coupled to the downstream sidewall of the nozzle assembly and a product inlet that is in communication with the respective product meter; an air pump is pneumatically coupled to the upstream sidewall of the nozzle assembly by a plurality of air supply hoses, the air pump generates pressurized air that is directed into the air supply hoses, the number of air supply hoses correspond to the number of application units, each air supply hose has an air inlet that is coupled to the nozzle assembly opposite the product outlet of a product supply hose, so that product located in the nozzle assembly is taken up by the air stream as the air stream passes from the air inlet of the respective air supply hose through the nozzle assembly to the respective product outlet of the product supply hose, the product supply hose directing product to the product meters, an agitator assembly is located in the nozzle assembly for agitating product located in the nozzle assembly.