ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,259, issued on July 1, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Scroll compressor" was invented by Changeol Jo (Seoul, South Korea), Jeonghun Kim (Seoul, South Korea), Nara Han (Seoul, South Korea) and Juhwan Yun (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor is disclosed. The scroll compressor has back pressure holes which are formed in a non-orbiting scroll and a back pressure chamber assembly, and provide communication between a compression chamber and a back pressure chamber. In addition, a back pressure valve is provided inside of the back pressure hole to change a passage area of the bac...