US 12,228,053 B1
Turbofan engine including integrated pylon and fan outlet guide vane with noise reduction features
Trevor H. Wood, Clifton Park, NY (US); Kishore Ramakrishnan, Rexford, NY (US); and Egbert Geertsema, Cincinnati, OH (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Aug. 9, 2023, as Appl. No. 18/232,026.
Int. Cl. F01D 9/04 (2006.01); F02C 7/24 (2006.01)
CPC F01D 9/041 (2013.01) [F02C 7/24 (2013.01); F05D 2240/12 (2013.01); F05D 2260/96 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A turbofan engine including outlet guide vanes comprising: a bypass duct having a radially inward wall and a radially outward wall; and a plurality of non-uniform outlet guide vanes disposed between the radially inward wall and the radially outward wall of the bypass duct, wherein the plurality of non-uniform outlet guide vanes includes at least one first integral outlet guide vane coupled to a pylon of the turbofan engine, wherein chord lengths of two or more of the plurality of non-uniform outlet guide vanes at a base adjacent the radially inward wall are different, wherein the plurality of non-uniform outlet guide vanes includes the at least one first integral outlet guide vane, at least one structural outlet guide vane, at least one cut-out outlet guide vane, and at least one non-structural outlet guide vane.