Patent ID: 9295191
Filing Date: 2016-03-29
CPC Classification: A01B,A01C,Y02P,Y10T

Claim Text:
1. A method of controlling delivery of an agricultural product to a selected section of furrow openers of an air seeder, the method comprising: for each air seeder section providing a delivery conduit connected at an output end thereof to deliver the agricultural product to the section of furrow openers, and connected at an input end thereof to a port defined through a wall of a manifold body; connecting an output end of a supply conduit to an interior of the manifold body, and directing a product air stream with the agricultural product entrained therein into an input end of the supply conduit such that the agricultural product moves through the supply conduit, the manifold body, the ports, and the delivery conduits to each section of furrow openers; providing a port valve configured such that when the port valve is open the delivery conduit is connected to an interior of the manifold body through the port, and such that when the port valve is closed, the delivery conduit is disconnected from the interior of the manifold body; providing an exhaust orifice defined in the supply conduit; closing the port valve to close the selected port to stop the delivery of the agricultural product to the selected section of furrow openers, and opening the exhaust orifice to exhaust a selected flow of pressurized air from the supply conduit; closing the exhaust orifice to stop exhausting the selected flow of pressurized air from the supply conduit and opening the port valve to restart the delivery of the agricultural product to the selected section of furrow openers through the selected port.