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:
Jun. 04, 2013
Filed:
Apr. 13, 2009
Bryan B. Stone, Cambridge, CA;
Denny K. Mcdonald, Massillon, OH (US);
Allan J. Zadiraka, Akron, OH (US);
Rajani K. Varagani, Sugarland, TX (US);
Bryan B. Stone, Cambridge, CA;
Denny K. McDonald, Massillon, OH (US);
Allan J. Zadiraka, Akron, OH (US);
Rajani K. Varagani, Sugarland, TX (US);
Babcock & Wilcox Power Generation Group, Inc., Barberton, OH (US);
American Air Liquide, Inc., Fremont, CA (US);
Abstract
A new and unique boiler and method of transition between air and Oxy-combustion in a coal fired combustion process wherein near pure oxygen may be introduced to the boiler furnace in several locations including directly into the flame through the burner and/or directly into the furnace as nearly pure oxygen, and/or into the recycle flue gas streams to the burners, including both primary and secondary streams.