US 12,241,628 B2
Combustor swirler with vanes incorporating open area
Gurunath Gandikota, Bengaluru (IN); Karthikeyan Sampath, Bengaluru (IN); Perumallu Vukanti, Bengaluru (IN); Allen M. Danis, Mason, OH (US); Scott M. Bush, Liberty Township, OH (US); Steven Clayton Vise, Loveland, OH (US); Hari Ravi Chandra, Bengaluru (IN); Rimple Rangrej, Bengaluru (IN); Saket Singh, Bengaluru (IN); Pradeep Naik, Bengaluru (IN); Neeraj Kumar Mishra, Bengaluru (IN); Arvind Kumar Rao, Bengaluru (IN); Balasubramaniam Venkatanarayanan, Bengaluru (IN); and Ranjeet Kumar Mishra, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Evendale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Sep. 1, 2023, as Appl. No. 18/460,078.
Application 18/460,078 is a division of application No. 17/394,848, filed on Aug. 5, 2021, granted, now 11,761,632.
Prior Publication US 2023/0408093 A1, Dec. 21, 2023
Int. Cl. F23R 3/14 (2006.01); F23R 3/28 (2006.01)
CPC F23R 3/14 (2013.01) [F23R 3/286 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A swirler assembly for a combustor, comprising
at least one swirler including a plurality of swirl vanes arrayed about an axis of the swirler,
wherein the plurality of swirl vanes includes a first ring of first sub-vanes and a second ring of second sub-vanes, the first ring of first sub-vanes and the second ring of second sub-vanes being separated by a gap therebetween for providing a flow of air through the gap,
each first sub-vane of the first ring and a corresponding second sub-vane of the second ring define a pair of sub-vanes, and the pair of sub-vanes and a corresponding sub-vane gap therebetween define one of the plurality of swirl vanes,
each of the swirl vanes of the plurality of swirl vanes includes a plurality of edges surrounding the first sub-vane and the second sub-vane of the pair of sub-vanes defining the one of the plurality of swirl vanes, the plurality of edges collectively defining a peripheral boundary of a respective swirl vane, and
the sub-vane gap extends across a full width of the swirl vane.