ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,789, issued on Feb. 4, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).
"Labyrinth seal and gas turbine" was invented by Takahiro Ando (Kobe, Japan), Shoichi Shimomura (Kobe, Japan), Naoya Tanabashi (Kobe, Japan), Shinya Makino (Kobe, Japan) and Masahiro Yamamoto (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A labyrinth seal according to one aspect of the present disclosure includes: a first structure including seal fins located at intervals in an axial direction; and a second structure opposed to the first structure, a radial gap being between each seal fin and the second structure. The second structure is such that when each seal ...