US Patent Issued to LG Electronics on April 7 for "Hermetic compressor with cylinder having elliptical inner circumferential surface, roller, and at least one vane" (South Korean Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. RE50,855, issued on April 7, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Hermetic compressor with cylinder having elliptical inner circumferential surface, roller, and at least one vane" was invented by Seokhwan Moon (Seoul, South Korea), Seoungmin Kang (Seoul, South Korea) and Byeongchul Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hermetic compressor may include a cylinder having an elliptical inner circumferential surface; a roller eccentric from the inner circumferential surface; and at least one vane withdrawn towards the inner circumferential surface when the roller is rotated to divide a compression chamber...