ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,847, issued on May 13, was assigned to Harbin Engineering University (Harbin, China).
"Noise-reducing and nonuniform tip clearance structure of centrifugal compressor" was invented by Yipeng Cao (Harbin, China), Shaoran Du (Harbin, China), Chen Liu (Harbin, China), Yao Song (Harbin, China), Jie Yang (Harbin, China), Xiaochen Zhao (Harbin, China), Jie Guo (Harbin, China) and Xinyu Zhang (Harbin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise-reducing and nonuniform tip clearance structure of centrifugal compressor is provided, which includes a compressor impeller body and a compressor impeller shroud. The compressor impeller shroud is c...