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:
Jul. 20, 2021
Filed:
May. 12, 2016
Siemens Aktiengesellschaft, Munich, DE;
Clifford E. Johnson, Orlando, FL (US);
Weidong Cai, Oviedo, FL (US);
Krishna C. Miduturi, Oviedo, FL (US);
Ben Karanja, Orlando, FL (US);
Michael Huth, Essen, DE;
Werner Krebs, Mülheim an der Ruhr, DE;
Mark Seifarth, Orlando, FL (US);
Thomas Primke, Belmont, NC (US);
Yohannes Ghermay, Berlin, DE;
Siemens Energy Global GmbH & Co. KG, Munich, DE;
Abstract
A method, including: operating an industrial gas turbine engine having a plurality of combustor cans arranged in an annular array, each can having burner stages and a pilot burner arrangement having a premix pilot burner and a diffusion pilot burner; operating in asymmetric combustion, wherein at least one can is a warm can where respective burners stages are off and remaining cans operate as hot cans where respective burner stages are on; and while maintaining a constant rate of fuel flow to the pilot burner arrangement of the warm can, changing fuel fractions within the pilot burner arrangement of the warm can.