ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,350, issued on Feb. 17, was assigned to RTX Corp. (Farmington, Conn.).
"Combined tip flag blade core" was invented by Skyler A. LaFemina (Commack, N.Y.) and Brandon W. Spangler (Vernon, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling circuit of an airfoil for a gas turbine engine includes a serpentine channel having a plurality of fluidly connected radially extending flow passages and a tip flag channel disposed adjacent to the serpentine channel. The tip flag channel includes a first tip flag passage extending radially and a second tip flag passage extending axially from a terminal end of the first tip flag passage, the second tip fl...