Patent ID: 8142545
Filing Date: 2012-03-27
Classification: B01D,B04C

Abstract:
1. A system for removing dust from an airflow, comprising: two or more centrifugal dust removal devices, each of said two or more centrifugal dust removal devices separately including an intake end and an exit end; a pressure generating device in operational communication with one of said intake end and said exit end of said two or more centrifugal dust removal devices to move airflow therethrough, and a flow metering system that meters incoming airflow of said two or more centrifugal dust removal devices, said flow metering system including a separate valve positioned at an end of each of said two or more centrifugal dust removal devices, said valves capable of operating independently of each other, an airflow sensing device detecting airflow in the system, and a controller operating said valves, wherein said pressure generating device is positioned downstream said two or more centrifugal dust removal devices.