US Patent 7156889 Assembly for removing dust from gas stream

Patent 7156889 was granted and assigned to Astec on January, 2007 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Astec

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7156889

Date of Patent

January 2, 2007

Patent Application Number

10885198

Date Filed

July 6, 2004

Patent Primary Examiner

‌

Robert A. Hopkins

Patent abstract

A dust collection assembly includes a primary collection assembly and a secondary collection assembly and may be connected to a source of gas having dust entrained therein. The primary collection assembly includes a primary duct having an inlet end and an outlet end. A first apparatus is mounted within the primary duct imparts a swirling motion to the gas which enters through the inlet end of the duct. A second apparatus is located downstream of the first apparatus for removing a portion of the dust entrained in the gas. The secondary collection assembly is in fluid communication with the outlet end of the primary collection assembly, and it includes a plurality of filter bags. The dust collection assembly also includes a fan that is in fluid communication with the secondary collection assembly.