US Patent Issued to QINGDAO HAIRER REFRIGERATOR, HAIER SMART HOME on Oct. 21 for "Oil supply device for compressor, compressor, and refrigeration equipment" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,959, issued on Oct. 21, was assigned to QINGDAO HAIRER REFRIGERATOR Co. LTD (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).

"Oil supply device for compressor, compressor, and refrigeration equipment" was invented by Feifei Qi (Shandong, China), Jianru Liu (Shandong, China), Kui Zhang (Shandong, China), Yiming Wang (Shandong, China) and Hualong Chi (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an oil supply device of a compressor, a compressor and a refrigeration equipment, the oil supply device of a compressor comprising: a piston cylinder with an inner chamber, a piston, an outer ...