ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,747, issued on May 13, was assigned to RTX Corp. (Farmington, Conn.).
"Inlet protector for vane coupling hole" was invented by Michael G. McCaffrey (Windsor, Conn.), Paul M. Lutjen (Kennebunkport, Maine) and Mark F. Zelesky (Bolton, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inlet protector for a vane cooling air passage inlet including a vane including a vane cooling air inlet; an inlet protector fluidly coupled to the vane cooling air inlet, the inlet protector comprising a protector body having a discharge portion and a suction portion, an interior flow passage fluidly coupling the suction portion with the discharge portion; the disc...