Patent ID: 6309435
Filing Date: 2001-10-30
Classification: B01D

Abstract:
An apparatus into which particulate material may be charged for further handling, comprising:a housing having a closed support wall including a primary inlet through which said particulate material may be charged, producing portions of settling and airborne particles of said material within and outside said housing, and at least one substantially smaller secondary inlet, and an outlet through which said particulate material may be discharged;a filter unit having an inlet communicating with an interior of said housing; andmeans for producing an airflow through said primary and secondary inlets, said housing and said filter unit whereby ambient air will be caused to flow from outside the housing directly into said primary and secondary inlets, leading to the interior of said housing and said filter unit, entraining airborne particles disposed within and outside said housing which further are caused to be filtered out by said filter unit to be discharged through said housing outlet.