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, 2015
Filed:
Jul. 31, 2012
Ahmed A. Abdel-hafez, Niskayuna, NY (US);
Ahmed Mostafa El Kady, Mason, OH (US);
Nan Zong, Mason, OH (US);
Richard Bradford Hook, Jr., West Chester, OH (US);
Steven Handelsman, Cincinnati, OH (US);
Ahmed A. Abdel-Hafez, Niskayuna, NY (US);
Ahmed Mostafa EL Kady, Mason, OH (US);
Nan Zong, Mason, OH (US);
Richard Bradford Hook, Jr., West Chester, OH (US);
Steven Handelsman, Cincinnati, OH (US);
General Electric Company, Niskayuna, NY (US);
Abstract
A fuel-air mixer for use with a combustor is provided. The fuel-air mixer includes an outer ring, an intermediate hub disposed coaxially within the outer ring such that a first plenum is formed therebetween, and an inner hub disposed coaxially within the intermediate hub such that a second plenum is formed therebetween. A first swirler including a plurality of first swirler vanes is positioned between the outer ring and the intermediate hub, wherein the first swirler is configured to rotate fluid flowing therethrough in a first direction. A second swirler including a plurality of second swirler vanes is positioned between the intermediate hub and the inner hub, wherein the second swirler is configured to rotate fluid flowing therethrough in a second direction. A plurality of fuel injection conduits are also defined within the fuel-air mixer for channeling fuel to the first and second plenums.