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:
Mar. 15, 2011
Filed:
Mar. 22, 2007
Shui-chi LI, West Chester, OH (US);
Michael Louis Vermeersch, Hamilton, OH (US);
Zhong-tao Dai, West Chester, OH (US);
Timothy James Held, Blanchester, OH (US);
Mark Anthony Mueller, West Chester, OH (US);
Shui-Chi Li, West Chester, OH (US);
Michael Louis Vermeersch, Hamilton, OH (US);
Zhong-Tao Dai, West Chester, OH (US);
Timothy James Held, Blanchester, OH (US);
Mark Anthony Mueller, West Chester, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
A method for operating a gas turbine engine including a compressor and a combustor is provided. The method comprises channeling between about 0% to about 8% of the total airflow discharged from a compressor towards a pilot swirler coupled within the burner, wherein the burner includes a main swirler and an annular centerbody extending between the pilot and main swirlers, injecting a portion of the total fuel flow supplied to the burner through a plurality of apertures defined in a hollow pilot centerbody coupled within the pilot swirler, channeling the remaining airflow discharged from the compressor towards the main swirler, and injecting the remaining fuel flow supplied to the burner through at least one main swirler vane coupled within the main swirler, such that the portion of fuel is pre-mixed with a portion of the total airflow.