ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,691, issued on Sept. 8, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Turbo compressor" was invented by Junchul Oh (Seoul, South Korea) and Changgook Moon (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a turbo compressor. A rotary shaft is installed in a housing to be rotatable. A bearing supports the rotary shaft to be rotatable. A bearing housing is coupled to the housing and supports the bearing. The bearing includes a journal bearing and a journal bearing safety device. The journal bearing is attached to the inner circumference of the bearing housing, and includes a gas foil bearing so as to support ...