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:
Aug. 25, 2009
Filed:
May. 20, 2008
Gilbert Otto Kraemer, Greer, SC (US);
Balachandar Varatharajan, Cincinnati, OH (US);
Shiva Srinivasan, Greer, SC (US);
John Joseph Lynch, Wilmington, NC (US);
Ertan Yilmaz, Albany, NY (US);
Kwanwoo Kim, Greer, SC (US);
Benjamin Lacy, Greer, SC (US);
Sarah Crothers, Greenville, SC (US);
Kapil Kumar Singh, Rexford, NY (US);
Gilbert Otto Kraemer, Greer, SC (US);
Balachandar Varatharajan, Cincinnati, OH (US);
Shiva Srinivasan, Greer, SC (US);
John Joseph Lynch, Wilmington, NC (US);
Ertan Yilmaz, Albany, NY (US);
Kwanwoo Kim, Greer, SC (US);
Benjamin Lacy, Greer, SC (US);
Sarah Crothers, Greenville, SC (US);
Kapil Kumar Singh, Rexford, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
Methods and systems for combustion dynamics reduction are provided. A combustion chamber may include a first premixer and a second premixer. Each premixer may include at least one fuel injector, at least one air inlet duct, and at least one vane pack for at least partially mixing the air from the air inlet duct or ducts and fuel from the fuel injector or injectors. Each vane pack may include a plurality of fuel orifices through which at least a portion of the fuel and at least a portion of the air may pass. The vane pack or packs of the first premixer may be positioned at a first axial position and the vane pack or packs of the second premixer may be positioned at a second axial position axially staggered with respect to the first axial position.