Patent ID: 7213525
Filing Date: 2007-05-08
Classification: A01C

Abstract:
1. 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 agricultural product in the main hopper is directed, the nozzle assembly having an air inlet and a product outlet; a pair of application units, each application unit is provided with a product meter for applying the product to a field; a splitter portion having a splitter inlet and two splitter outlets, said splitter inlet flow coupled to said product outlet; a partition within said splitter portion located between said splitter inlet and said two splitter outlets, said partition forming a barrier for dividing an air stream flowing into said splitter inlet to said two splitter outlets; a pair of product supply hoses, said product supply hoses are respectively coupled to said splitter outlets of said splitter portion, said product supply hoses in communication with the respective product meters; an air pump pneumatically coupled to the air inlet of the nozzle assembly, the air pump generates pressurized air that is directed into the air inlet so that agricultural product located in the nozzle assembly is taken up by an air stream passing from the air inlet through the nozzle assembly to the product outlet, through the splitter portion and through the pair of product supply hoses, the product supply hoses directing product to the respective product meter of the pair of application units; wherein each application unit is provided with an auxiliary product hopper located between the respective product supply hose and the product meter; and wherein the nozzle assembly is provided with a plurality of baffles corresponding to the number of application units, the baffles extend between and above the respective product outlets, gaps being formed between adjacent baffles.