Patent ID: 8635963
Filing Date: 2014-01-28
Classification: A01B,A01C,Y02P

Abstract:
1. An apparatus for a product distribution system of a farm implement, comprising: a header having an inlet and a plurality of outlets, the inlet configured to receive product entrained in an air flow and the plurality of outlets configured to pass respective portions of the product; and a plenum having a volume of air and selectively in fluid communication with the plurality of outlets of the header, wherein the plenum is configured to provide a purging air flow to one or more of the plurality of outlets when in fluid communication with the one or more of the plurality of outlets; and a set of valves operatively associated with the plurality of outlets, each valve movable between a first position wherein the inlet of the header is in fluid communication with a corresponding outlet of the header so as to allow product entrained in the air flow to flow through the corresponding outlet and a second position wherein the inlet of the header is isolated from corresponding outlet of the header so as to prevent product entrained in the air flow from flowing to the corresponding outlet and wherein the plenum is in fluid communication with the corresponding outlet of the header so as to allow air from the plenum to pass through the corresponding outlet of the valve.