Patent ID: 9738200
Date: 2017-08-22
CPC Classifications: A01C,B60P,B65G,Y02P

Claim:
1. A pneumatic agricultural product conveying system, comprising: at least one product supply chamber; a pneumatic source; a plenum configured to receive air flow from the pneumatic source and having a plurality of outlets; a plurality of distribution lines extending from the plenum outlets for applying air entrained product to an agricultural field; a metering device for supplying product from the supply chamber to the distribution lines; a refilling system including an elongated conduit having an inlet near one end for receiving product from a supply source and an outlet near the other end for conveying product to the chamber to replenish the product supply in the chamber; an air flow source comprising a diverter; and a venturi box having an inlet and at least one venturi coupled to the air flow source, an inlet for receiving product from the supply source, and an outlet coupled to the conduit one end for providing product from the supply source entrained within air flow from the pneumatic source, wherein the diverter is configured to direct air flow toward the venturi box.