ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,950, issued on Dec. 23, was assigned to RTX Corp. (Farmington, Conn.).
"Non-contact seal shoe with diffuser structure" was invented by Duane C. McCormick (Colchester, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided for rotational equipment which includes a seal device. The seal device includes a plurality of seal shoes, a seal base and a plurality of spring elements. The seal shoes are arranged circumferentially around an axis in an annular array. A first of the seal shoes includes a seal surface and a diffuser surface. The seal surface extends axially along the axis to an axial interface location where the seal surface...