ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,130, issued on Feb. 18, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Rotary compressor" was invented by Seseok Seol (Seoul, South Korea), Joonhong Park (Seoul, South Korea) and Kiyoul Noh (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary compressor provided that may include a casing, a cylinder, a roller, and at least one vane slidably inserted into the roller, and the roller may have at least one bypass passage through which spaces on both sides of a contact point based on a rotational direction of the roller communicate with each other. Through the at least one bypass passage, residual refrigerant remaining ...