ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,076, issued on May 27, was assigned to HANON SYSTEMS (Daejeon, South Korea).
"Multistage fluid compressor" was invented by Seong Kook Cho (Daejeon, South Korea) and Ho Bin Im (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a multistage fluid compressor including a motor housing having a fluid injection port, a stator coupled to the inside of the motor housing, a rotor configured to penetrate the inside of the stator and having two opposite sides based on an axial direction, the two opposite sides being rotatably coupled to the motor housing, an impeller housing coupled to the motor housing and co...