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:
Feb. 15, 2011
Filed:
Feb. 01, 2008
Weidong Cai, Oviedo, FL (US);
Weidong Cai, Oviedo, FL (US);
Siemens Energy, Inc., Orlando, FL (US);
Abstract
A gas turbine combustion system is provided comprising a combustion chamber () having a central axis (), a primary combustion stage () located at a front end () of the combustion chamber () for injecting fuel, air, or mixtures thereof substantially along the central axis (), a plurality of secondary combustion stages (A-D) spaced apart in flow series along a length of the combustion chamber (), wherein each of the plurality of secondary combustion stages (A-D) comprises a plurality of circumferentially-spaced secondary injectors () for injecting fuel, air, or mixtures thereof, toward the central axis (), and wherein an internal diameter of the combustion chamber () decreases from at least a first one of the plurality of secondary combustion stages (AD) to at least a second one of the plurality of secondary combustion stages (A-D).