Patent ID: 6869356
Filing Date: 2005-03-22
Classification: A01D

Abstract:
1. A sugarcane chopper harvester, comprising: a conveyor arrangement for delivering a mixture of cane billets, extraneous leaves and dirt to a cleaning zone; a cleaning chamber including a major cylindrical bottom wall section at least partially surrounding said cleaning zone; a generally cylindrical fan housing joined to a top of said wall section, and said bottom wall section and said fan housing having a central upright axis; said fan housing having an axial flow fan mounted therein for rotation about said central axis of said housing; said fan having a plurality of blades fixed to, and radiating out from, a central hub; a centrifugal blower wheel mounted beneath and fixed to said fan for creating air flow in the center of the cleaning chamber in a zone beneath said hub; and a drive motor being coupled for effecting rotation of said fan and blower wheel.