ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,387, issued on March 4, was assigned to RTX Corp. (Farmington, Conn.).
"Tilted CMC vane arc segment" was invented by Howard J. Liles (Newington, Conn.), Cheng Gao (South Glastonbury, Conn.) and Bryan P. Dube (Chepachet, R.I.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An article includes a ceramic matrix composite (CMC) vane arc segment for disposal about an engine central axis. The CMC vane arc segment includes first and second platforms and an airfoil section that extends therebetween. The airfoil section defines a radial stacking axis that is oblique to a Z-axis that is perpendicular to the engine central axis such that the radial stacking axi...