Patent ID: 6558252
Filing Date: 2003-05-06
Classification: A01F

Abstract:
A combine harvester for harvesting crop and separating grain from chaff and broken straw, comprising:a separation unit for separating the grain from the harvested crop; at least one rotor housing with a sieve mechanism, wherein the sieve mechanism has a plurality of sieve openings therein; a rotor operatively and rotatably mounted in the at least one rotor housing; a grain collecting element operatively mounted adjacent to and for receiving the grain from the sieve mechanism; a cleaning apparatus for receiving grain collected from the grain collecting element; a sucking blower unit for sucking an air flow stream towards the sucking blower unit, wherein the air flow stream is drawn upwardly through a conduit operatively connected thereto; and wherein the conduit directs the air flow stream from a space between the at least one rotor housing of the separation unit and the grain collecting element in a semi-circular movement towards the sucking blower unit.