ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,874, issued on Sept. 8, was assigned to Ningbo Dongda Air-Conditioning Equipment Co. Ltd. (Yuyao City, China).
"Two-supply kitchen air conditioning system" was invented by Anchun Shao (Yuyao City, China), Benfeng Zhang (Zhejiang Province, China), Yang Cao (Beijing) and Songchao Shao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A kitchen air conditioning system in the field of kitchen air conditioning includes a casing, a refrigeration system, and a thermal storage tank arranged separately from the air-conditioning unit. The refrigeration system comprises a compressor, a water-side heat exchanger, a filter-drier, an expansion valve, an in...