The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Jul. 20, 2007
Malcolm L. Swanson, Chickamauga, GA (US);
Michael S. Swanson, Chickamauga, GA (US);
Russell W. Fountain, East Ridge, TN (US);
William Eric Wattenbarger, Attalla, AL (US);
Andrew Hobbs, Sheffield, GB;
Kelly Knight, Ringgold, GA (US);
Malcolm L. Swanson, Chickamauga, GA (US);
Michael S. Swanson, Chickamauga, GA (US);
Russell W. Fountain, East Ridge, TN (US);
William Eric Wattenbarger, Attalla, AL (US);
Andrew Hobbs, Sheffield, GB;
Kelly Knight, Ringgold, GA (US);
Astec, Inc., Chattanooga, TN (US);
Abstract
A burner assembly including a housing having an air inlet, a burner end having an opening, a longitudinal axis extending generally from the air inlet toward the burner end, a motor, an impeller mounted in the housing and being in fluid communication with the air inlet, operatively connected to the motor and adapted to direct air from the air inlet toward the burner end, a coal tube adapted to convey coal toward the burner end, a coal inlet adapted to convey coal to the coal tube, a first bluff body ring, a second bluff body ring and a third bluff body ring mounted at the burner end, a flame bridge disposed between the first bluff body ring and the second bluff body ring, and an igniter mounted in the burner end and being adapted to ignite the air and fuel mixture in the burner end to produce a main flame.