ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,323, issued on Feb. 10.
"Compressor with curved passage" was invented by Ryuuta Tanaka (Tokyo), Yosuke Akamatsu (Tokyo), Satoshi Ouchida (Tokyo), Masahiro Nakajima (Tokyo) and Seiichiro Yoshinaga (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor including an impeller housing accommodating a first impeller configured to compress a fluid and a second impeller configured to further compress the fluid, and an interstage component forming, together with the impeller housing, an interstage passage that includes a curved passage. The curved passage is formed by an inner wall surface that is curved, and by an outer wall surface that is curv...