ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,741, issued on April 7, was assigned to RTX Corp. (Farmington, Conn.).
"Dirt and dust free turbine vane cooling" was invented by Mark F. Zelesky (Bolton, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Vane assemblies and gas turbine engines having vane assemblies are described. The vane assemblies include a vane having outer and inner diameter ends and at least a leading-edge cavity therein. A direction of flow through the leading-edge cavity is from the outer diameter end toward the inner diameter end. An inner diameter platform is arranged at the inner diameter end of the vane and includes an inner diameter flow path having an exit at an aft...